./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.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_d6571745-f85a-40ad-a1b7-a2de432ecdbd/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6571745-f85a-40ad-a1b7-a2de432ecdbd/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_d6571745-f85a-40ad-a1b7-a2de432ecdbd/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6571745-f85a-40ad-a1b7-a2de432ecdbd/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6571745-f85a-40ad-a1b7-a2de432ecdbd/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_d6571745-f85a-40ad-a1b7-a2de432ecdbd/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 f0781735bf38d1c3fc92bdfb35c4f492919d5b3ef51c397a03981a69e2882b55 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:24:17,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:24:17,994 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6571745-f85a-40ad-a1b7-a2de432ecdbd/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 15:24:17,998 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:24:17,998 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:24:18,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:24:18,021 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:24:18,021 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:24:18,021 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:24:18,021 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:24:18,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:24:18,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:24:18,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:24:18,022 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:24:18,022 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:24:18,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:24:18,023 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:24:18,023 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:24:18,023 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:24:18,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:24:18,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:24:18,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:24:18,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:24:18,023 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:24:18,023 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:24:18,024 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:24:18,024 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:24:18,024 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:24:18,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:24:18,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:24:18,024 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:24:18,024 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:24:18,024 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:24:18,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:24:18,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:24:18,025 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:24:18,025 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:24:18,025 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:24:18,025 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:24:18,025 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:24:18,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:24:18,025 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:24:18,025 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:24:18,025 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:24:18,025 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:24:18,025 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_d6571745-f85a-40ad-a1b7-a2de432ecdbd/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 -> f0781735bf38d1c3fc92bdfb35c4f492919d5b3ef51c397a03981a69e2882b55 [2024-12-02 15:24:18,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:24:18,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:24:18,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:24:18,265 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:24:18,266 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:24:18,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6571745-f85a-40ad-a1b7-a2de432ecdbd/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i [2024-12-02 15:24:20,989 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6571745-f85a-40ad-a1b7-a2de432ecdbd/bin/uautomizer-verify-84ZbGMXZE1/data/ba324ae20/7c9dcb084e45457abe58d86f86cbc502/FLAG471c30a54 [2024-12-02 15:24:21,499 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:24:21,499 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6571745-f85a-40ad-a1b7-a2de432ecdbd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i [2024-12-02 15:24:21,543 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6571745-f85a-40ad-a1b7-a2de432ecdbd/bin/uautomizer-verify-84ZbGMXZE1/data/ba324ae20/7c9dcb084e45457abe58d86f86cbc502/FLAG471c30a54 [2024-12-02 15:24:21,560 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6571745-f85a-40ad-a1b7-a2de432ecdbd/bin/uautomizer-verify-84ZbGMXZE1/data/ba324ae20/7c9dcb084e45457abe58d86f86cbc502 [2024-12-02 15:24:21,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:24:21,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:24:21,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:24:21,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:24:21,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:24:21,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:24:21" (1/1) ... [2024-12-02 15:24:21,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bdd378b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:21, skipping insertion in model container [2024-12-02 15:24:21,573 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:24:21" (1/1) ... [2024-12-02 15:24:21,676 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:24:24,461 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_d6571745-f85a-40ad-a1b7-a2de432ecdbd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i[358326,358339] [2024-12-02 15:24:24,466 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_d6571745-f85a-40ad-a1b7-a2de432ecdbd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i[358495,358508] [2024-12-02 15:24:24,467 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_d6571745-f85a-40ad-a1b7-a2de432ecdbd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i[358662,358675] [2024-12-02 15:24:24,468 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_d6571745-f85a-40ad-a1b7-a2de432ecdbd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i[358830,358843] [2024-12-02 15:24:24,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:24:24,569 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:24:24,701 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"); [5127] [2024-12-02 15:24:24,703 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)); [5134] [2024-12-02 15:24:24,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5141] [2024-12-02 15:24:24,706 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)); [5182-5183] [2024-12-02 15:24:24,707 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"); [5188-5190] [2024-12-02 15:24:24,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5204] [2024-12-02 15:24:24,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5354] [2024-12-02 15:24:24,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr))); [5362] [2024-12-02 15:24:24,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5369] [2024-12-02 15:24:24,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr))); [5376] [2024-12-02 15:24:24,721 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)); [5497-5498] [2024-12-02 15:24:24,724 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)); [5531-5532] [2024-12-02 15:24:24,726 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" (79), "i" (12UL)); [5572-5573] [2024-12-02 15:24:24,727 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" (91), "i" (12UL)); [5601-5602] [2024-12-02 15:24:24,740 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)); [5920-5921] [2024-12-02 15:24:24,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5927] [2024-12-02 15:24:24,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6189] [2024-12-02 15:24:24,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6192] [2024-12-02 15:24:24,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6195] [2024-12-02 15:24:24,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6198] [2024-12-02 15:24:24,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6229] [2024-12-02 15:24:24,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6232] [2024-12-02 15:24:24,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6235] [2024-12-02 15:24:24,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6238] [2024-12-02 15:24:24,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6269] [2024-12-02 15:24:24,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6272] [2024-12-02 15:24:24,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6275] [2024-12-02 15:24:24,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6278] [2024-12-02 15:24:24,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6309] [2024-12-02 15:24:24,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6312] [2024-12-02 15:24:24,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6315] [2024-12-02 15:24:24,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6318] [2024-12-02 15:24:24,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6439] [2024-12-02 15:24:24,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6442] [2024-12-02 15:24:24,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6445] [2024-12-02 15:24:24,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6448] [2024-12-02 15:24:24,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6479] [2024-12-02 15:24:24,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6482] [2024-12-02 15:24:24,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6485] [2024-12-02 15:24:24,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6488] [2024-12-02 15:24:24,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6519] [2024-12-02 15:24:24,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6522] [2024-12-02 15:24:24,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6525] [2024-12-02 15:24:24,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6528] [2024-12-02 15:24:24,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6559] [2024-12-02 15:24:24,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6562] [2024-12-02 15:24:24,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6565] [2024-12-02 15:24:24,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6568] [2024-12-02 15:24:24,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7613] [2024-12-02 15:24:24,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7923] [2024-12-02 15:24:24,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7927] [2024-12-02 15:24:24,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7934] [2024-12-02 15:24:25,012 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_d6571745-f85a-40ad-a1b7-a2de432ecdbd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i[358326,358339] [2024-12-02 15:24:25,013 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6571745-f85a-40ad-a1b7-a2de432ecdbd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i[358495,358508] [2024-12-02 15:24:25,013 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6571745-f85a-40ad-a1b7-a2de432ecdbd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i[358662,358675] [2024-12-02 15:24:25,014 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_d6571745-f85a-40ad-a1b7-a2de432ecdbd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i[358830,358843] [2024-12-02 15:24:25,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:24:25,236 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:24:25,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:25 WrapperNode [2024-12-02 15:24:25,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:24:25,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:24:25,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:24:25,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:24:25,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:25" (1/1) ... [2024-12-02 15:24:25,313 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:25" (1/1) ... [2024-12-02 15:24:25,508 INFO L138 Inliner]: procedures = 502, calls = 3084, calls flagged for inlining = 256, calls inlined = 229, statements flattened = 6696 [2024-12-02 15:24:25,509 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:24:25,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:24:25,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:24:25,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:24:25,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:25" (1/1) ... [2024-12-02 15:24:25,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:25" (1/1) ... [2024-12-02 15:24:25,540 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:25" (1/1) ... [2024-12-02 15:24:26,823 INFO L175 MemorySlicer]: Split 1773 memory accesses to 16 slices as follows [6, 6, 6, 1581, 6, 2, 6, 1, 6, 6, 2, 42, 1, 40, 36, 26]. 89 percent of accesses are in the largest equivalence class. The 1107 initializations are split as follows [6, 6, 6, 1032, 6, 0, 6, 1, 0, 6, 2, 0, 0, 0, 36, 0]. The 307 writes are split as follows [0, 0, 0, 243, 0, 1, 0, 0, 3, 0, 0, 36, 0, 0, 0, 24]. [2024-12-02 15:24:26,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:25" (1/1) ... [2024-12-02 15:24:26,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:25" (1/1) ... [2024-12-02 15:24:26,962 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:25" (1/1) ... [2024-12-02 15:24:26,982 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:25" (1/1) ... [2024-12-02 15:24:27,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:25" (1/1) ... [2024-12-02 15:24:27,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:25" (1/1) ... [2024-12-02 15:24:27,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:25" (1/1) ... [2024-12-02 15:24:27,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:24:27,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:24:27,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:24:27,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:24:27,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:25" (1/1) ... [2024-12-02 15:24:27,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:24:27,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6571745-f85a-40ad-a1b7-a2de432ecdbd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:24:27,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6571745-f85a-40ad-a1b7-a2de432ecdbd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:24:27,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6571745-f85a-40ad-a1b7-a2de432ecdbd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:24:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2024-12-02 15:24:27,197 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2024-12-02 15:24:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 15:24:27,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 15:24:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2024-12-02 15:24:27,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2024-12-02 15:24:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure desc_set_buf_addr [2024-12-02 15:24:27,197 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_set_buf_addr [2024-12-02 15:24:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 15:24:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 15:24:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 15:24:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 15:24:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_interrupt [2024-12-02 15:24:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_interrupt [2024-12-02 15:24:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-02 15:24:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-02 15:24:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_rx_refill [2024-12-02 15:24:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_rx_refill [2024-12-02 15:24:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 15:24:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 15:24:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2024-12-02 15:24:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2024-12-02 15:24:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 15:24:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 15:24:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 15:24:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 15:24:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_poll_controller [2024-12-02 15:24:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_poll_controller [2024-12-02 15:24:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2024-12-02 15:24:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2024-12-02 15:24:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-12-02 15:24:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-12-02 15:24:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_set_mac_addr [2024-12-02 15:24:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_set_mac_addr [2024-12-02 15:24:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-12-02 15:24:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-12-02 15:24:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2024-12-02 15:24:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2024-12-02 15:24:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_tx_timeout [2024-12-02 15:24:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_tx_timeout [2024-12-02 15:24:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 15:24:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 15:24:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-12-02 15:24:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-12-02 15:24:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 15:24:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 15:24:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2024-12-02 15:24:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2024-12-02 15:24:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 15:24:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-12-02 15:24:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-12-02 15:24:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 15:24:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 15:24:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-12-02 15:24:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-12-02 15:24:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure desc_set_buf_addr_and_size [2024-12-02 15:24:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_set_buf_addr_and_size [2024-12-02 15:24:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 15:24:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 15:24:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 15:24:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 15:24:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 15:24:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 15:24:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 15:24:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 15:24:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 15:24:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 15:24:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 15:24:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 15:24:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 15:24:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 15:24:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 15:24:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 15:24:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 15:24:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 15:24:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_probe [2024-12-02 15:24:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_probe [2024-12-02 15:24:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 15:24:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 15:24:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 15:24:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 15:24:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 15:24:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 15:24:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 15:24:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 15:24:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 15:24:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 15:24:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 15:24:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 15:24:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 15:24:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 15:24:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 15:24:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 15:24:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 15:24:27,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 15:24:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 15:24:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 15:24:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 15:24:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 15:24:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 15:24:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 15:24:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 15:24:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 15:24:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 15:24:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 15:24:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 15:24:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 15:24:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 15:24:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 15:24:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 15:24:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 15:24:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure desc_set_buf_len [2024-12-02 15:24:27,203 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_set_buf_len [2024-12-02 15:24:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 15:24:27,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 15:24:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 15:24:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 15:24:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 15:24:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 15:24:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 15:24:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 15:24:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 15:24:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 15:24:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 15:24:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 15:24:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 15:24:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 15:24:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 15:24:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 15:24:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 15:24:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 15:24:27,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 15:24:27,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 15:24:27,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 15:24:27,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 15:24:27,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 15:24:27,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 15:24:27,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 15:24:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 15:24:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 15:24:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 15:24:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 15:24:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 15:24:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 15:24:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 15:24:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 15:24:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 15:24:27,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-12-02 15:24:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-12-02 15:24:27,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 15:24:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 15:24:27,205 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_suspend [2024-12-02 15:24:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_suspend [2024-12-02 15:24:27,205 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2024-12-02 15:24:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2024-12-02 15:24:27,205 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_open [2024-12-02 15:24:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_open [2024-12-02 15:24:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure desc_get_buf_len [2024-12-02 15:24:27,206 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_get_buf_len [2024-12-02 15:24:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2024-12-02 15:24:27,206 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2024-12-02 15:24:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 15:24:27,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 15:24:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 15:24:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 15:24:27,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 15:24:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-12-02 15:24:27,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-12-02 15:24:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2024-12-02 15:24:27,206 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2024-12-02 15:24:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:24:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_pmt [2024-12-02 15:24:27,206 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_pmt [2024-12-02 15:24:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2024-12-02 15:24:27,206 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2024-12-02 15:24:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 15:24:27,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 15:24:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 15:24:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 15:24:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 15:24:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 15:24:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 15:24:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 15:24:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 15:24:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 15:24:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 15:24:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 15:24:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 15:24:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 15:24:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 15:24:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 15:24:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 15:24:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 15:24:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_free_tx_skbufs [2024-12-02 15:24:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_free_tx_skbufs [2024-12-02 15:24:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-12-02 15:24:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-12-02 15:24:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 15:24:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 15:24:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 15:24:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 15:24:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-12-02 15:24:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-12-02 15:24:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-12-02 15:24:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-12-02 15:24:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2024-12-02 15:24:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2024-12-02 15:24:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 15:24:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 15:24:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 15:24:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 15:24:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2024-12-02 15:24:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2024-12-02 15:24:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-12-02 15:24:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-12-02 15:24:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-12-02 15:24:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-12-02 15:24:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 15:24:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 15:24:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:24:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:24:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_mac_disable [2024-12-02 15:24:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_mac_disable [2024-12-02 15:24:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 15:24:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 15:24:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 15:24:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 15:24:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 15:24:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 15:24:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 15:24:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 15:24:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 15:24:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 15:24:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 15:24:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 15:24:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 15:24:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 15:24:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 15:24:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 15:24:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 15:24:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 15:24:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 15:24:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 15:24:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 15:24:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 15:24:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 15:24:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 15:24:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 15:24:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 15:24:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 15:24:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 15:24:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 15:24:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 15:24:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 15:24:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 15:24:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 15:24:27,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 15:24:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure desc_init_tx_desc [2024-12-02 15:24:27,211 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_init_tx_desc [2024-12-02 15:24:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-12-02 15:24:27,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-12-02 15:24:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 15:24:27,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 15:24:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2024-12-02 15:24:27,211 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2024-12-02 15:24:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2024-12-02 15:24:27,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_size_call_parameter [2024-12-02 15:24:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-12-02 15:24:27,211 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-12-02 15:24:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-12-02 15:24:27,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-12-02 15:24:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2024-12-02 15:24:27,212 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2024-12-02 15:24:27,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 15:24:27,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 15:24:27,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 15:24:27,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 15:24:27,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 15:24:27,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 15:24:27,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 15:24:27,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 15:24:27,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 15:24:27,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 15:24:27,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 15:24:27,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 15:24:27,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 15:24:27,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 15:24:27,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 15:24:27,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 15:24:27,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 15:24:27,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 15:24:27,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 15:24:27,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 15:24:27,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 15:24:27,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 15:24:27,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 15:24:27,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 15:24:27,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 15:24:27,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 15:24:27,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 15:24:27,214 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 15:24:27,214 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 15:24:27,214 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 15:24:27,214 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 15:24:27,214 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 15:24:27,214 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2024-12-02 15:24:27,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2024-12-02 15:24:27,214 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-12-02 15:24:27,214 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-12-02 15:24:27,214 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2024-12-02 15:24:27,214 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2024-12-02 15:24:27,214 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_mac_enable [2024-12-02 15:24:27,214 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_mac_enable [2024-12-02 15:24:27,214 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-02 15:24:27,214 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-02 15:24:27,214 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-12-02 15:24:27,214 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-12-02 15:24:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 15:24:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_stop [2024-12-02 15:24:27,215 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_stop [2024-12-02 15:24:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure desc_set_tx_owner [2024-12-02 15:24:27,215 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_set_tx_owner [2024-12-02 15:24:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 15:24:27,215 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 15:24:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2024-12-02 15:24:27,215 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2024-12-02 15:24:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 15:24:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 15:24:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 15:24:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 15:24:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 15:24:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 15:24:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 15:24:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 15:24:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 15:24:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 15:24:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 15:24:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 15:24:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 15:24:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 15:24:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 15:24:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 15:24:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 15:24:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 15:24:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 15:24:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 15:24:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 15:24:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 15:24:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 15:24:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 15:24:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 15:24:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 15:24:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 15:24:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 15:24:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 15:24:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 15:24:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 15:24:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 15:24:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 15:24:27,217 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 15:24:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2024-12-02 15:24:27,217 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2024-12-02 15:24:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 15:24:27,217 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 15:24:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2024-12-02 15:24:27,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2024-12-02 15:24:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 15:24:27,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 15:24:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-12-02 15:24:27,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-12-02 15:24:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_set_flow_ctrl [2024-12-02 15:24:27,217 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_set_flow_ctrl [2024-12-02 15:24:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 15:24:27,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 15:24:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_resume [2024-12-02 15:24:27,218 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_resume [2024-12-02 15:24:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-12-02 15:24:27,218 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-12-02 15:24:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-12-02 15:24:27,218 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-12-02 15:24:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 15:24:27,218 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 15:24:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2024-12-02 15:24:27,218 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2024-12-02 15:24:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure desc_get_tx_fs [2024-12-02 15:24:27,218 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_get_tx_fs [2024-12-02 15:24:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 15:24:27,218 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 15:24:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_set_rx_mode [2024-12-02 15:24:27,218 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_set_rx_mode [2024-12-02 15:24:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-12-02 15:24:27,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-12-02 15:24:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 15:24:27,218 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 15:24:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 15:24:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 15:24:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 15:24:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 15:24:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 15:24:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 15:24:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 15:24:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 15:24:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 15:24:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 15:24:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 15:24:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 15:24:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 15:24:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 15:24:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 15:24:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 15:24:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 15:24:27,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 15:24:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2024-12-02 15:24:27,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2024-12-02 15:24:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-12-02 15:24:27,219 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-12-02 15:24:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-12-02 15:24:27,219 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-12-02 15:24:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2024-12-02 15:24:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2024-12-02 15:24:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2024-12-02 15:24:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2024-12-02 15:24:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 15:24:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 15:24:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-12-02 15:24:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-12-02 15:24:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-12-02 15:24:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-12-02 15:24:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2024-12-02 15:24:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2024-12-02 15:24:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2024-12-02 15:24:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2024-12-02 15:24:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-12-02 15:24:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-12-02 15:24:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-12-02 15:24:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-12-02 15:24:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-12-02 15:24:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-12-02 15:24:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_remove [2024-12-02 15:24:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_remove [2024-12-02 15:24:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:24:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 15:24:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 15:24:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 15:24:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 15:24:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 15:24:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 15:24:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 15:24:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 15:24:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 15:24:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 15:24:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 15:24:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 15:24:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 15:24:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 15:24:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 15:24:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure desc_get_buf_addr [2024-12-02 15:24:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_get_buf_addr [2024-12-02 15:24:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2024-12-02 15:24:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2024-12-02 15:24:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2024-12-02 15:24:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2024-12-02 15:24:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 15:24:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 15:24:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure desc_get_tx_ls [2024-12-02 15:24:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_get_tx_ls [2024-12-02 15:24:28,194 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:24:28,197 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:24:28,667 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 15:24:39,208 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 15:24:40,166 INFO L? ?]: Removed 2783 outVars from TransFormulas that were not future-live. [2024-12-02 15:24:40,166 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:24:40,205 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:24:40,205 INFO L312 CfgBuilder]: Removed 10 assume(true) statements. [2024-12-02 15:24:40,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:24:40 BoogieIcfgContainer [2024-12-02 15:24:40,206 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:24:40,208 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:24:40,209 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:24:40,213 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:24:40,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:24:21" (1/3) ... [2024-12-02 15:24:40,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3c50c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:24:40, skipping insertion in model container [2024-12-02 15:24:40,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:25" (2/3) ... [2024-12-02 15:24:40,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3c50c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:24:40, skipping insertion in model container [2024-12-02 15:24:40,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:24:40" (3/3) ... [2024-12-02 15:24:40,216 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i [2024-12-02 15:24:40,230 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:24:40,233 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i that has 151 procedures, 2515 locations, 1 initial locations, 48 loop locations, and 3 error locations. [2024-12-02 15:24:40,330 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:24:40,341 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;@81671df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:24:40,341 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 15:24:40,352 INFO L276 IsEmpty]: Start isEmpty. Operand has 2382 states, 1704 states have (on average 1.2987089201877935) internal successors, (2213), 1734 states have internal predecessors, (2213), 555 states have call successors, (555), 121 states have call predecessors, (555), 120 states have return successors, (548), 543 states have call predecessors, (548), 548 states have call successors, (548) [2024-12-02 15:24:40,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-02 15:24:40,366 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:40,367 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:40,367 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 15:24:40,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:40,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1985464633, now seen corresponding path program 1 times [2024-12-02 15:24:40,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:40,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785601880] [2024-12-02 15:24:40,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:40,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:50,299 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2024-12-02 15:24:50,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:50,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785601880] [2024-12-02 15:24:50,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785601880] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:50,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:50,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:24:50,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18527540] [2024-12-02 15:24:50,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:50,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:24:50,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:50,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:24:50,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:24:50,336 INFO L87 Difference]: Start difference. First operand has 2382 states, 1704 states have (on average 1.2987089201877935) internal successors, (2213), 1734 states have internal predecessors, (2213), 555 states have call successors, (555), 121 states have call predecessors, (555), 120 states have return successors, (548), 543 states have call predecessors, (548), 548 states have call successors, (548) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-12-02 15:24:54,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:24:54,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:54,872 INFO L93 Difference]: Finished difference Result 6908 states and 9750 transitions. [2024-12-02 15:24:54,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:24:54,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 167 [2024-12-02 15:24:54,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:54,922 INFO L225 Difference]: With dead ends: 6908 [2024-12-02 15:24:54,922 INFO L226 Difference]: Without dead ends: 4545 [2024-12-02 15:24:54,941 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 15:24:54,944 INFO L435 NwaCegarLoop]: 3202 mSDtfsCounter, 3073 mSDsluCounter, 3140 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3073 SdHoareTripleChecker+Valid, 6342 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:54,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3073 Valid, 6342 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 15:24:54,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4545 states. [2024-12-02 15:24:55,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4545 to 4541. [2024-12-02 15:24:55,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4541 states, 3267 states have (on average 1.2614018977655341) internal successors, (4121), 3305 states have internal predecessors, (4121), 1038 states have call successors, (1038), 234 states have call predecessors, (1038), 233 states have return successors, (1035), 1025 states have call predecessors, (1035), 1035 states have call successors, (1035) [2024-12-02 15:24:55,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4541 states to 4541 states and 6194 transitions. [2024-12-02 15:24:55,268 INFO L78 Accepts]: Start accepts. Automaton has 4541 states and 6194 transitions. Word has length 167 [2024-12-02 15:24:55,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:55,269 INFO L471 AbstractCegarLoop]: Abstraction has 4541 states and 6194 transitions. [2024-12-02 15:24:55,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-12-02 15:24:55,269 INFO L276 IsEmpty]: Start isEmpty. Operand 4541 states and 6194 transitions. [2024-12-02 15:24:55,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-12-02 15:24:55,276 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:55,276 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:55,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 15:24:55,277 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 15:24:55,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:55,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1233140890, now seen corresponding path program 1 times [2024-12-02 15:24:55,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:55,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721018068] [2024-12-02 15:24:55,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:55,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:03,898 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2024-12-02 15:25:03,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:03,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721018068] [2024-12-02 15:25:03,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721018068] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:03,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:03,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:25:03,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667083192] [2024-12-02 15:25:03,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:03,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:25:03,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:03,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:25:03,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:25:03,902 INFO L87 Difference]: Start difference. First operand 4541 states and 6194 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-12-02 15:25:07,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:25:08,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:08,670 INFO L93 Difference]: Finished difference Result 12637 states and 17240 transitions. [2024-12-02 15:25:08,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:25:08,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 182 [2024-12-02 15:25:08,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:08,712 INFO L225 Difference]: With dead ends: 12637 [2024-12-02 15:25:08,712 INFO L226 Difference]: Without dead ends: 8127 [2024-12-02 15:25:08,727 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 15:25:08,728 INFO L435 NwaCegarLoop]: 3175 mSDtfsCounter, 2485 mSDsluCounter, 3058 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2485 SdHoareTripleChecker+Valid, 6233 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:08,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2485 Valid, 6233 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 79 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 15:25:08,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8127 states. [2024-12-02 15:25:08,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8127 to 8092. [2024-12-02 15:25:08,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8092 states, 5817 states have (on average 1.259412068076328) internal successors, (7326), 5889 states have internal predecessors, (7326), 1823 states have call successors, (1823), 452 states have call predecessors, (1823), 449 states have return successors, (1888), 1790 states have call predecessors, (1888), 1820 states have call successors, (1888) [2024-12-02 15:25:08,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8092 states to 8092 states and 11037 transitions. [2024-12-02 15:25:09,003 INFO L78 Accepts]: Start accepts. Automaton has 8092 states and 11037 transitions. Word has length 182 [2024-12-02 15:25:09,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:09,004 INFO L471 AbstractCegarLoop]: Abstraction has 8092 states and 11037 transitions. [2024-12-02 15:25:09,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-12-02 15:25:09,004 INFO L276 IsEmpty]: Start isEmpty. Operand 8092 states and 11037 transitions. [2024-12-02 15:25:09,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-12-02 15:25:09,009 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:09,010 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:25:09,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:25:09,010 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 15:25:09,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:09,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1590444545, now seen corresponding path program 1 times [2024-12-02 15:25:09,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:09,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151432261] [2024-12-02 15:25:09,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:09,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:17,597 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2024-12-02 15:25:17,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:17,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151432261] [2024-12-02 15:25:17,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151432261] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:17,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:17,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:25:17,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238666803] [2024-12-02 15:25:17,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:17,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:25:17,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:17,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:25:17,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:25:17,600 INFO L87 Difference]: Start difference. First operand 8092 states and 11037 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (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 15:25:21,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:25:22,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:22,724 INFO L93 Difference]: Finished difference Result 22538 states and 30643 transitions. [2024-12-02 15:25:22,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:25:22,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (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 197 [2024-12-02 15:25:22,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:22,828 INFO L225 Difference]: With dead ends: 22538 [2024-12-02 15:25:22,828 INFO L226 Difference]: Without dead ends: 14477 [2024-12-02 15:25:22,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:25:22,867 INFO L435 NwaCegarLoop]: 4697 mSDtfsCounter, 2570 mSDsluCounter, 3066 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2570 SdHoareTripleChecker+Valid, 7763 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:22,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2570 Valid, 7763 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 121 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 15:25:22,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14477 states. [2024-12-02 15:25:23,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14477 to 14438. [2024-12-02 15:25:23,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14438 states, 10359 states have (on average 1.252051356308524) internal successors, (12970), 10491 states have internal predecessors, (12970), 3225 states have call successors, (3225), 856 states have call predecessors, (3225), 851 states have return successors, (3292), 3162 states have call predecessors, (3292), 3222 states have call successors, (3292) [2024-12-02 15:25:23,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14438 states to 14438 states and 19487 transitions. [2024-12-02 15:25:23,555 INFO L78 Accepts]: Start accepts. Automaton has 14438 states and 19487 transitions. Word has length 197 [2024-12-02 15:25:23,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:23,555 INFO L471 AbstractCegarLoop]: Abstraction has 14438 states and 19487 transitions. [2024-12-02 15:25:23,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (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 15:25:23,556 INFO L276 IsEmpty]: Start isEmpty. Operand 14438 states and 19487 transitions. [2024-12-02 15:25:23,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-12-02 15:25:23,563 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:23,563 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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 15:25:23,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:25:23,564 INFO L396 AbstractCegarLoop]: === Iteration 4 === 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 15:25:23,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:23,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1617923417, now seen corresponding path program 1 times [2024-12-02 15:25:23,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:23,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158571784] [2024-12-02 15:25:23,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:23,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:31,222 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2024-12-02 15:25:31,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:31,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158571784] [2024-12-02 15:25:31,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158571784] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:31,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:31,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:25:31,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837041810] [2024-12-02 15:25:31,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:31,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:25:31,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:31,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:25:31,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:25:31,224 INFO L87 Difference]: Start difference. First operand 14438 states and 19487 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-12-02 15:25:35,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:25:35,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:35,630 INFO L93 Difference]: Finished difference Result 28911 states and 39000 transitions. [2024-12-02 15:25:35,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:25:35,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 219 [2024-12-02 15:25:35,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:35,725 INFO L225 Difference]: With dead ends: 28911 [2024-12-02 15:25:35,725 INFO L226 Difference]: Without dead ends: 21582 [2024-12-02 15:25:35,750 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 15:25:35,751 INFO L435 NwaCegarLoop]: 6220 mSDtfsCounter, 3072 mSDsluCounter, 3136 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3072 SdHoareTripleChecker+Valid, 9356 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 15:25:35,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3072 Valid, 9356 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 15:25:35,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21582 states. [2024-12-02 15:25:36,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21582 to 21560. [2024-12-02 15:25:36,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21560 states, 15479 states have (on average 1.2523418825505523) internal successors, (19385), 15672 states have internal predecessors, (19385), 4802 states have call successors, (4802), 1283 states have call predecessors, (4802), 1276 states have return successors, (4904), 4712 states have call predecessors, (4904), 4799 states have call successors, (4904) [2024-12-02 15:25:36,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21560 states to 21560 states and 29091 transitions. [2024-12-02 15:25:36,722 INFO L78 Accepts]: Start accepts. Automaton has 21560 states and 29091 transitions. Word has length 219 [2024-12-02 15:25:36,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:36,723 INFO L471 AbstractCegarLoop]: Abstraction has 21560 states and 29091 transitions. [2024-12-02 15:25:36,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-12-02 15:25:36,724 INFO L276 IsEmpty]: Start isEmpty. Operand 21560 states and 29091 transitions. [2024-12-02 15:25:36,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-12-02 15:25:36,732 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:36,732 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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 15:25:36,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:25:36,733 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 15:25:36,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:36,733 INFO L85 PathProgramCache]: Analyzing trace with hash 2040625243, now seen corresponding path program 1 times [2024-12-02 15:25:36,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:36,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72587264] [2024-12-02 15:25:36,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:36,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:45,127 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2024-12-02 15:25:45,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:45,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72587264] [2024-12-02 15:25:45,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72587264] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:45,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:45,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:25:45,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090443856] [2024-12-02 15:25:45,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:45,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:25:45,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:45,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:25:45,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:25:45,129 INFO L87 Difference]: Start difference. First operand 21560 states and 29091 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 15:25:45,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:45,758 INFO L93 Difference]: Finished difference Result 21856 states and 29361 transitions. [2024-12-02 15:25:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:25:45,759 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 219 [2024-12-02 15:25:45,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:45,845 INFO L225 Difference]: With dead ends: 21856 [2024-12-02 15:25:45,845 INFO L226 Difference]: Without dead ends: 21854 [2024-12-02 15:25:45,857 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 15:25:45,857 INFO L435 NwaCegarLoop]: 3181 mSDtfsCounter, 3087 mSDsluCounter, 6395 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3088 SdHoareTripleChecker+Valid, 9576 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:45,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3088 Valid, 9576 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:25:45,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21854 states. [2024-12-02 15:25:46,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21854 to 21852. [2024-12-02 15:25:46,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21852 states, 15677 states have (on average 1.250494354787268) internal successors, (19604), 15882 states have internal predecessors, (19604), 4826 states have call successors, (4826), 1353 states have call predecessors, (4826), 1346 states have return successors, (4928), 4736 states have call predecessors, (4928), 4823 states have call successors, (4928) [2024-12-02 15:25:46,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21852 states to 21852 states and 29358 transitions. [2024-12-02 15:25:46,663 INFO L78 Accepts]: Start accepts. Automaton has 21852 states and 29358 transitions. Word has length 219 [2024-12-02 15:25:46,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:46,664 INFO L471 AbstractCegarLoop]: Abstraction has 21852 states and 29358 transitions. [2024-12-02 15:25:46,664 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 15:25:46,664 INFO L276 IsEmpty]: Start isEmpty. Operand 21852 states and 29358 transitions. [2024-12-02 15:25:46,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-12-02 15:25:46,671 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:46,672 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:25:46,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:25:46,672 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 15:25:46,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:46,672 INFO L85 PathProgramCache]: Analyzing trace with hash -242128606, now seen corresponding path program 1 times [2024-12-02 15:25:46,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:46,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086895305] [2024-12-02 15:25:46,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:46,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:54,407 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2024-12-02 15:25:54,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:54,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086895305] [2024-12-02 15:25:54,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086895305] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:54,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:54,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:25:54,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878885955] [2024-12-02 15:25:54,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:54,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:25:54,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:54,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:25:54,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:25:54,409 INFO L87 Difference]: Start difference. First operand 21852 states and 29358 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (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 15:25:54,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:54,999 INFO L93 Difference]: Finished difference Result 21858 states and 29363 transitions. [2024-12-02 15:25:54,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:25:54,999 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (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 224 [2024-12-02 15:25:55,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:55,109 INFO L225 Difference]: With dead ends: 21858 [2024-12-02 15:25:55,109 INFO L226 Difference]: Without dead ends: 21856 [2024-12-02 15:25:55,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:25:55,118 INFO L435 NwaCegarLoop]: 3162 mSDtfsCounter, 3103 mSDsluCounter, 6306 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3104 SdHoareTripleChecker+Valid, 9468 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 15:25:55,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3104 Valid, 9468 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:25:55,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21856 states. [2024-12-02 15:25:55,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21856 to 21856. [2024-12-02 15:25:55,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21856 states, 15680 states have (on average 1.2504464285714285) internal successors, (19607), 15885 states have internal predecessors, (19607), 4826 states have call successors, (4826), 1354 states have call predecessors, (4826), 1347 states have return successors, (4928), 4736 states have call predecessors, (4928), 4823 states have call successors, (4928) [2024-12-02 15:25:56,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21856 states to 21856 states and 29361 transitions. [2024-12-02 15:25:56,051 INFO L78 Accepts]: Start accepts. Automaton has 21856 states and 29361 transitions. Word has length 224 [2024-12-02 15:25:56,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:56,051 INFO L471 AbstractCegarLoop]: Abstraction has 21856 states and 29361 transitions. [2024-12-02 15:25:56,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (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 15:25:56,052 INFO L276 IsEmpty]: Start isEmpty. Operand 21856 states and 29361 transitions. [2024-12-02 15:25:56,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-12-02 15:25:56,059 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:56,059 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 13, 13, 13, 13, 13, 13, 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] [2024-12-02 15:25:56,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:25:56,060 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:25:56,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:56,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1204328528, now seen corresponding path program 1 times [2024-12-02 15:25:56,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:56,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617873326] [2024-12-02 15:25:56,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:56,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:03,701 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 783 trivial. 0 not checked. [2024-12-02 15:26:03,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:03,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617873326] [2024-12-02 15:26:03,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617873326] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:03,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:03,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:26:03,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947452285] [2024-12-02 15:26:03,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:03,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:26:03,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:03,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:26:03,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:26:03,703 INFO L87 Difference]: Start difference. First operand 21856 states and 29361 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 15:26:07,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:26:08,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:08,732 INFO L93 Difference]: Finished difference Result 48351 states and 65009 transitions. [2024-12-02 15:26:08,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:26:08,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 222 [2024-12-02 15:26:08,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:08,855 INFO L225 Difference]: With dead ends: 48351 [2024-12-02 15:26:08,855 INFO L226 Difference]: Without dead ends: 26526 [2024-12-02 15:26:08,926 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 15:26:08,926 INFO L435 NwaCegarLoop]: 5544 mSDtfsCounter, 3011 mSDsluCounter, 3108 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3011 SdHoareTripleChecker+Valid, 8652 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:08,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3011 Valid, 8652 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 15:26:08,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26526 states. [2024-12-02 15:26:09,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26526 to 26490. [2024-12-02 15:26:09,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26490 states, 19140 states have (on average 1.2516718913270637) internal successors, (23957), 19384 states have internal predecessors, (23957), 5726 states have call successors, (5726), 1628 states have call predecessors, (5726), 1621 states have return successors, (5859), 5623 states have call predecessors, (5859), 5723 states have call successors, (5859) [2024-12-02 15:26:09,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26490 states to 26490 states and 35542 transitions. [2024-12-02 15:26:09,873 INFO L78 Accepts]: Start accepts. Automaton has 26490 states and 35542 transitions. Word has length 222 [2024-12-02 15:26:09,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:09,873 INFO L471 AbstractCegarLoop]: Abstraction has 26490 states and 35542 transitions. [2024-12-02 15:26:09,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 15:26:09,873 INFO L276 IsEmpty]: Start isEmpty. Operand 26490 states and 35542 transitions. [2024-12-02 15:26:09,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-12-02 15:26:09,876 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:09,877 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:09,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 15:26:09,877 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 15:26:09,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:09,878 INFO L85 PathProgramCache]: Analyzing trace with hash -171379589, now seen corresponding path program 1 times [2024-12-02 15:26:09,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:09,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812200916] [2024-12-02 15:26:09,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:09,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:18,145 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 910 trivial. 0 not checked. [2024-12-02 15:26:18,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:18,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812200916] [2024-12-02 15:26:18,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812200916] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:18,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:18,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:26:18,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491941570] [2024-12-02 15:26:18,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:18,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:26:18,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:18,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:26:18,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:26:18,147 INFO L87 Difference]: Start difference. First operand 26490 states and 35542 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (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 15:26:18,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:18,949 INFO L93 Difference]: Finished difference Result 26496 states and 35547 transitions. [2024-12-02 15:26:18,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:26:18,949 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (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 229 [2024-12-02 15:26:18,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:19,102 INFO L225 Difference]: With dead ends: 26496 [2024-12-02 15:26:19,102 INFO L226 Difference]: Without dead ends: 26494 [2024-12-02 15:26:19,122 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:26:19,123 INFO L435 NwaCegarLoop]: 3162 mSDtfsCounter, 3102 mSDsluCounter, 6306 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3103 SdHoareTripleChecker+Valid, 9468 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 15:26:19,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3103 Valid, 9468 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:26:19,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26494 states. [2024-12-02 15:26:20,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26494 to 26494. [2024-12-02 15:26:20,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26494 states, 19143 states have (on average 1.2516324505041008) internal successors, (23960), 19387 states have internal predecessors, (23960), 5726 states have call successors, (5726), 1629 states have call predecessors, (5726), 1622 states have return successors, (5859), 5623 states have call predecessors, (5859), 5723 states have call successors, (5859) [2024-12-02 15:26:20,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26494 states to 26494 states and 35545 transitions. [2024-12-02 15:26:20,198 INFO L78 Accepts]: Start accepts. Automaton has 26494 states and 35545 transitions. Word has length 229 [2024-12-02 15:26:20,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:20,198 INFO L471 AbstractCegarLoop]: Abstraction has 26494 states and 35545 transitions. [2024-12-02 15:26:20,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (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 15:26:20,199 INFO L276 IsEmpty]: Start isEmpty. Operand 26494 states and 35545 transitions. [2024-12-02 15:26:20,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-12-02 15:26:20,201 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:20,201 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:20,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 15:26:20,201 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 15:26:20,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:20,202 INFO L85 PathProgramCache]: Analyzing trace with hash -980635518, now seen corresponding path program 1 times [2024-12-02 15:26:20,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:20,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90645442] [2024-12-02 15:26:20,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:20,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:28,381 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 918 trivial. 0 not checked. [2024-12-02 15:26:28,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:28,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90645442] [2024-12-02 15:26:28,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90645442] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:28,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:28,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:26:28,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191344331] [2024-12-02 15:26:28,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:28,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:26:28,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:28,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:26:28,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:26:28,383 INFO L87 Difference]: Start difference. First operand 26494 states and 35545 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:26:29,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:29,152 INFO L93 Difference]: Finished difference Result 26500 states and 35550 transitions. [2024-12-02 15:26:29,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:26:29,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 234 [2024-12-02 15:26:29,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:29,237 INFO L225 Difference]: With dead ends: 26500 [2024-12-02 15:26:29,237 INFO L226 Difference]: Without dead ends: 26498 [2024-12-02 15:26:29,250 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:26:29,251 INFO L435 NwaCegarLoop]: 3162 mSDtfsCounter, 3101 mSDsluCounter, 6306 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3102 SdHoareTripleChecker+Valid, 9468 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 15:26:29,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3102 Valid, 9468 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:26:29,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26498 states. [2024-12-02 15:26:29,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26498 to 26498. [2024-12-02 15:26:29,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26498 states, 19146 states have (on average 1.2515930220411575) internal successors, (23963), 19390 states have internal predecessors, (23963), 5726 states have call successors, (5726), 1630 states have call predecessors, (5726), 1623 states have return successors, (5859), 5623 states have call predecessors, (5859), 5723 states have call successors, (5859) [2024-12-02 15:26:30,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26498 states to 26498 states and 35548 transitions. [2024-12-02 15:26:30,046 INFO L78 Accepts]: Start accepts. Automaton has 26498 states and 35548 transitions. Word has length 234 [2024-12-02 15:26:30,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:30,046 INFO L471 AbstractCegarLoop]: Abstraction has 26498 states and 35548 transitions. [2024-12-02 15:26:30,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:26:30,046 INFO L276 IsEmpty]: Start isEmpty. Operand 26498 states and 35548 transitions. [2024-12-02 15:26:30,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-12-02 15:26:30,049 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:30,049 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:30,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 15:26:30,049 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 15:26:30,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:30,049 INFO L85 PathProgramCache]: Analyzing trace with hash 852326555, now seen corresponding path program 1 times [2024-12-02 15:26:30,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:30,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262417973] [2024-12-02 15:26:30,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:30,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:37,715 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2024-12-02 15:26:37,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:37,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262417973] [2024-12-02 15:26:37,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262417973] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:37,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:37,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:26:37,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416704183] [2024-12-02 15:26:37,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:37,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:26:37,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:37,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:26:37,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:26:37,717 INFO L87 Difference]: Start difference. First operand 26498 states and 35548 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 15:26:38,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:38,493 INFO L93 Difference]: Finished difference Result 26504 states and 35553 transitions. [2024-12-02 15:26:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:26:38,494 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 239 [2024-12-02 15:26:38,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:38,573 INFO L225 Difference]: With dead ends: 26504 [2024-12-02 15:26:38,573 INFO L226 Difference]: Without dead ends: 26502 [2024-12-02 15:26:38,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:26:38,582 INFO L435 NwaCegarLoop]: 3162 mSDtfsCounter, 3100 mSDsluCounter, 6306 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3101 SdHoareTripleChecker+Valid, 9468 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 15:26:38,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3101 Valid, 9468 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:26:38,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26502 states. [2024-12-02 15:26:39,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26502 to 26502. [2024-12-02 15:26:39,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26502 states, 19149 states have (on average 1.2515536059324246) internal successors, (23966), 19393 states have internal predecessors, (23966), 5726 states have call successors, (5726), 1631 states have call predecessors, (5726), 1624 states have return successors, (5859), 5623 states have call predecessors, (5859), 5723 states have call successors, (5859) [2024-12-02 15:26:39,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26502 states to 26502 states and 35551 transitions. [2024-12-02 15:26:39,435 INFO L78 Accepts]: Start accepts. Automaton has 26502 states and 35551 transitions. Word has length 239 [2024-12-02 15:26:39,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:39,435 INFO L471 AbstractCegarLoop]: Abstraction has 26502 states and 35551 transitions. [2024-12-02 15:26:39,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 15:26:39,436 INFO L276 IsEmpty]: Start isEmpty. Operand 26502 states and 35551 transitions. [2024-12-02 15:26:39,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-12-02 15:26:39,438 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:39,438 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 6, 6, 6, 6, 5, 5, 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] [2024-12-02 15:26:39,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 15:26:39,438 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 15:26:39,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:39,439 INFO L85 PathProgramCache]: Analyzing trace with hash 30143801, now seen corresponding path program 1 times [2024-12-02 15:26:39,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:39,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430495002] [2024-12-02 15:26:39,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:39,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:47,213 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2024-12-02 15:26:47,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:47,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430495002] [2024-12-02 15:26:47,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430495002] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:47,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:47,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:26:47,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131233513] [2024-12-02 15:26:47,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:47,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:26:47,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:47,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:26:47,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:26:47,214 INFO L87 Difference]: Start difference. First operand 26502 states and 35551 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 15:26:48,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:48,035 INFO L93 Difference]: Finished difference Result 26508 states and 35556 transitions. [2024-12-02 15:26:48,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:26:48,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 262 [2024-12-02 15:26:48,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:48,098 INFO L225 Difference]: With dead ends: 26508 [2024-12-02 15:26:48,098 INFO L226 Difference]: Without dead ends: 26506 [2024-12-02 15:26:48,106 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:26:48,106 INFO L435 NwaCegarLoop]: 3162 mSDtfsCounter, 3088 mSDsluCounter, 6306 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3089 SdHoareTripleChecker+Valid, 9468 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 15:26:48,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3089 Valid, 9468 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:26:48,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26506 states. [2024-12-02 15:26:48,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26506 to 26506. [2024-12-02 15:26:48,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26506 states, 19152 states have (on average 1.2515142021720969) internal successors, (23969), 19396 states have internal predecessors, (23969), 5726 states have call successors, (5726), 1632 states have call predecessors, (5726), 1625 states have return successors, (5859), 5623 states have call predecessors, (5859), 5723 states have call successors, (5859) [2024-12-02 15:26:48,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26506 states to 26506 states and 35554 transitions. [2024-12-02 15:26:48,952 INFO L78 Accepts]: Start accepts. Automaton has 26506 states and 35554 transitions. Word has length 262 [2024-12-02 15:26:48,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:48,953 INFO L471 AbstractCegarLoop]: Abstraction has 26506 states and 35554 transitions. [2024-12-02 15:26:48,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 15:26:48,953 INFO L276 IsEmpty]: Start isEmpty. Operand 26506 states and 35554 transitions. [2024-12-02 15:26:48,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-12-02 15:26:48,955 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:48,955 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:48,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 15:26:48,955 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 15:26:48,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:48,956 INFO L85 PathProgramCache]: Analyzing trace with hash 133807556, now seen corresponding path program 1 times [2024-12-02 15:26:48,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:48,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580302751] [2024-12-02 15:26:48,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:48,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:56,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1001 trivial. 0 not checked. [2024-12-02 15:26:56,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:56,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580302751] [2024-12-02 15:26:56,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580302751] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:56,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:56,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:26:56,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212042043] [2024-12-02 15:26:56,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:56,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:26:56,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:56,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:26:56,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:26:56,691 INFO L87 Difference]: Start difference. First operand 26506 states and 35554 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 15:26:57,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:57,621 INFO L93 Difference]: Finished difference Result 26512 states and 35559 transitions. [2024-12-02 15:26:57,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:26:57,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 267 [2024-12-02 15:26:57,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:57,703 INFO L225 Difference]: With dead ends: 26512 [2024-12-02 15:26:57,703 INFO L226 Difference]: Without dead ends: 26510 [2024-12-02 15:26:57,714 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:26:57,714 INFO L435 NwaCegarLoop]: 3162 mSDtfsCounter, 3087 mSDsluCounter, 6306 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3088 SdHoareTripleChecker+Valid, 9468 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 15:26:57,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3088 Valid, 9468 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:26:57,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26510 states. [2024-12-02 15:26:58,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26510 to 26510. [2024-12-02 15:26:58,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26510 states, 19155 states have (on average 1.2514748107543723) internal successors, (23972), 19399 states have internal predecessors, (23972), 5726 states have call successors, (5726), 1633 states have call predecessors, (5726), 1626 states have return successors, (5859), 5623 states have call predecessors, (5859), 5723 states have call successors, (5859) [2024-12-02 15:26:58,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26510 states to 26510 states and 35557 transitions. [2024-12-02 15:26:58,789 INFO L78 Accepts]: Start accepts. Automaton has 26510 states and 35557 transitions. Word has length 267 [2024-12-02 15:26:58,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:58,789 INFO L471 AbstractCegarLoop]: Abstraction has 26510 states and 35557 transitions. [2024-12-02 15:26:58,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 15:26:58,789 INFO L276 IsEmpty]: Start isEmpty. Operand 26510 states and 35557 transitions. [2024-12-02 15:26:58,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-12-02 15:26:58,792 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:58,792 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 8, 7, 7, 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, 1] [2024-12-02 15:26:58,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 15:26:58,793 INFO L396 AbstractCegarLoop]: === Iteration 13 === 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 15:26:58,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:58,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1778047166, now seen corresponding path program 1 times [2024-12-02 15:26:58,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:58,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077160100] [2024-12-02 15:26:58,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:58,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:06,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1004 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-12-02 15:27:06,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:06,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077160100] [2024-12-02 15:27:06,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077160100] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:06,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:06,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:27:06,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629635388] [2024-12-02 15:27:06,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:06,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:27:06,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:06,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:27:06,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:27:06,483 INFO L87 Difference]: Start difference. First operand 26510 states and 35557 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (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 15:27:07,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:07,472 INFO L93 Difference]: Finished difference Result 26516 states and 35562 transitions. [2024-12-02 15:27:07,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:27:07,472 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (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 254 [2024-12-02 15:27:07,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:07,561 INFO L225 Difference]: With dead ends: 26516 [2024-12-02 15:27:07,561 INFO L226 Difference]: Without dead ends: 26514 [2024-12-02 15:27:07,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:27:07,575 INFO L435 NwaCegarLoop]: 3162 mSDtfsCounter, 3097 mSDsluCounter, 6306 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3098 SdHoareTripleChecker+Valid, 9468 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 15:27:07,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3098 Valid, 9468 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:27:07,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26514 states. [2024-12-02 15:27:08,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26514 to 26514. [2024-12-02 15:27:08,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26514 states, 19158 states have (on average 1.2514354316734524) internal successors, (23975), 19402 states have internal predecessors, (23975), 5726 states have call successors, (5726), 1634 states have call predecessors, (5726), 1627 states have return successors, (5859), 5623 states have call predecessors, (5859), 5723 states have call successors, (5859) [2024-12-02 15:27:08,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26514 states to 26514 states and 35560 transitions. [2024-12-02 15:27:08,708 INFO L78 Accepts]: Start accepts. Automaton has 26514 states and 35560 transitions. Word has length 254 [2024-12-02 15:27:08,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:08,709 INFO L471 AbstractCegarLoop]: Abstraction has 26514 states and 35560 transitions. [2024-12-02 15:27:08,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (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 15:27:08,709 INFO L276 IsEmpty]: Start isEmpty. Operand 26514 states and 35560 transitions. [2024-12-02 15:27:08,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-12-02 15:27:08,712 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:08,712 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:27:08,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 15:27:08,713 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 15:27:08,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:08,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1821287772, now seen corresponding path program 1 times [2024-12-02 15:27:08,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:08,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238870778] [2024-12-02 15:27:08,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:08,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:16,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1069 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1053 trivial. 0 not checked. [2024-12-02 15:27:16,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:16,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238870778] [2024-12-02 15:27:16,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238870778] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:16,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:16,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:27:16,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345772613] [2024-12-02 15:27:16,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:16,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:27:16,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:16,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:27:16,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:27:16,397 INFO L87 Difference]: Start difference. First operand 26514 states and 35560 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 15:27:17,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:17,390 INFO L93 Difference]: Finished difference Result 26520 states and 35565 transitions. [2024-12-02 15:27:17,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:27:17,390 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 277 [2024-12-02 15:27:17,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:17,543 INFO L225 Difference]: With dead ends: 26520 [2024-12-02 15:27:17,543 INFO L226 Difference]: Without dead ends: 26518 [2024-12-02 15:27:17,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:27:17,550 INFO L435 NwaCegarLoop]: 3162 mSDtfsCounter, 3085 mSDsluCounter, 6306 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3086 SdHoareTripleChecker+Valid, 9468 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 15:27:17,550 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3086 Valid, 9468 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:27:17,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26518 states. [2024-12-02 15:27:18,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26518 to 26518. [2024-12-02 15:27:18,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26518 states, 19161 states have (on average 1.2513960649235427) internal successors, (23978), 19405 states have internal predecessors, (23978), 5726 states have call successors, (5726), 1635 states have call predecessors, (5726), 1628 states have return successors, (5859), 5623 states have call predecessors, (5859), 5723 states have call successors, (5859) [2024-12-02 15:27:18,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26518 states to 26518 states and 35563 transitions. [2024-12-02 15:27:18,639 INFO L78 Accepts]: Start accepts. Automaton has 26518 states and 35563 transitions. Word has length 277 [2024-12-02 15:27:18,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:18,640 INFO L471 AbstractCegarLoop]: Abstraction has 26518 states and 35563 transitions. [2024-12-02 15:27:18,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 15:27:18,640 INFO L276 IsEmpty]: Start isEmpty. Operand 26518 states and 35563 transitions. [2024-12-02 15:27:18,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-12-02 15:27:18,644 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:18,644 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 10, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:27:18,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 15:27:18,644 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 15:27:18,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:18,644 INFO L85 PathProgramCache]: Analyzing trace with hash -975615367, now seen corresponding path program 1 times [2024-12-02 15:27:18,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:18,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168868264] [2024-12-02 15:27:18,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:18,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:26,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2024-12-02 15:27:26,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:26,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168868264] [2024-12-02 15:27:26,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168868264] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:26,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:26,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:27:26,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913285876] [2024-12-02 15:27:26,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:26,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:27:26,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:26,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:27:26,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:27:26,471 INFO L87 Difference]: Start difference. First operand 26518 states and 35563 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 15:27:27,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:27,631 INFO L93 Difference]: Finished difference Result 26524 states and 35568 transitions. [2024-12-02 15:27:27,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:27:27,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 282 [2024-12-02 15:27:27,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:27,718 INFO L225 Difference]: With dead ends: 26524 [2024-12-02 15:27:27,718 INFO L226 Difference]: Without dead ends: 26522 [2024-12-02 15:27:27,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:27:27,731 INFO L435 NwaCegarLoop]: 3162 mSDtfsCounter, 3084 mSDsluCounter, 6306 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3085 SdHoareTripleChecker+Valid, 9468 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 15:27:27,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3085 Valid, 9468 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:27:27,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26522 states. [2024-12-02 15:27:28,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26522 to 26522. [2024-12-02 15:27:28,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26522 states, 19164 states have (on average 1.251356710498852) internal successors, (23981), 19408 states have internal predecessors, (23981), 5726 states have call successors, (5726), 1636 states have call predecessors, (5726), 1629 states have return successors, (5859), 5623 states have call predecessors, (5859), 5723 states have call successors, (5859) [2024-12-02 15:27:28,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26522 states to 26522 states and 35566 transitions. [2024-12-02 15:27:29,006 INFO L78 Accepts]: Start accepts. Automaton has 26522 states and 35566 transitions. Word has length 282 [2024-12-02 15:27:29,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:29,006 INFO L471 AbstractCegarLoop]: Abstraction has 26522 states and 35566 transitions. [2024-12-02 15:27:29,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 15:27:29,006 INFO L276 IsEmpty]: Start isEmpty. Operand 26522 states and 35566 transitions. [2024-12-02 15:27:29,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-12-02 15:27:29,011 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:29,011 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 11, 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, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:27:29,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 15:27:29,011 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 15:27:29,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:29,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1659188475, now seen corresponding path program 1 times [2024-12-02 15:27:29,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:29,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423442371] [2024-12-02 15:27:29,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:29,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:37,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1086 trivial. 0 not checked. [2024-12-02 15:27:37,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:37,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423442371] [2024-12-02 15:27:37,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423442371] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:37,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:37,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:27:37,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381343157] [2024-12-02 15:27:37,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:37,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:27:37,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:37,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:27:37,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:27:37,051 INFO L87 Difference]: Start difference. First operand 26522 states and 35566 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 15:27:38,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:38,312 INFO L93 Difference]: Finished difference Result 26626 states and 35644 transitions. [2024-12-02 15:27:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:27:38,313 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 269 [2024-12-02 15:27:38,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:38,414 INFO L225 Difference]: With dead ends: 26626 [2024-12-02 15:27:38,414 INFO L226 Difference]: Without dead ends: 26622 [2024-12-02 15:27:38,427 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:27:38,427 INFO L435 NwaCegarLoop]: 3160 mSDtfsCounter, 3031 mSDsluCounter, 6369 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3032 SdHoareTripleChecker+Valid, 9529 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:38,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3032 Valid, 9529 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:27:38,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26622 states. [2024-12-02 15:27:39,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26622 to 26620. [2024-12-02 15:27:39,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26620 states, 19234 states have (on average 1.250597899552875) internal successors, (24054), 19477 states have internal predecessors, (24054), 5726 states have call successors, (5726), 1665 states have call predecessors, (5726), 1657 states have return successors, (5859), 5623 states have call predecessors, (5859), 5723 states have call successors, (5859) [2024-12-02 15:27:39,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26620 states to 26620 states and 35639 transitions. [2024-12-02 15:27:39,771 INFO L78 Accepts]: Start accepts. Automaton has 26620 states and 35639 transitions. Word has length 269 [2024-12-02 15:27:39,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:39,772 INFO L471 AbstractCegarLoop]: Abstraction has 26620 states and 35639 transitions. [2024-12-02 15:27:39,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 15:27:39,772 INFO L276 IsEmpty]: Start isEmpty. Operand 26620 states and 35639 transitions. [2024-12-02 15:27:39,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-12-02 15:27:39,777 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:39,777 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 12, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:27:39,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 15:27:39,777 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 15:27:39,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:39,778 INFO L85 PathProgramCache]: Analyzing trace with hash 997031426, now seen corresponding path program 1 times [2024-12-02 15:27:39,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:39,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766535013] [2024-12-02 15:27:39,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:39,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:47,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1148 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1126 trivial. 0 not checked. [2024-12-02 15:27:47,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:47,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766535013] [2024-12-02 15:27:47,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766535013] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:47,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:47,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:27:47,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638214037] [2024-12-02 15:27:47,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:47,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:27:47,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:47,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:27:47,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:27:47,471 INFO L87 Difference]: Start difference. First operand 26620 states and 35639 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 15:27:48,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:48,841 INFO L93 Difference]: Finished difference Result 28024 states and 37169 transitions. [2024-12-02 15:27:48,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:27:48,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 274 [2024-12-02 15:27:48,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:48,941 INFO L225 Difference]: With dead ends: 28024 [2024-12-02 15:27:48,941 INFO L226 Difference]: Without dead ends: 27641 [2024-12-02 15:27:48,955 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:27:48,955 INFO L435 NwaCegarLoop]: 3326 mSDtfsCounter, 3000 mSDsluCounter, 6908 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3000 SdHoareTripleChecker+Valid, 10234 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:48,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3000 Valid, 10234 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:27:48,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27641 states. [2024-12-02 15:27:50,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27641 to 27637. [2024-12-02 15:27:50,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27637 states, 19911 states have (on average 1.245291547385867) internal successors, (24795), 20138 states have internal predecessors, (24795), 5862 states have call successors, (5862), 1868 states have call predecessors, (5862), 1862 states have return successors, (5998), 5776 states have call predecessors, (5998), 5862 states have call successors, (5998) [2024-12-02 15:27:50,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27637 states to 27637 states and 36655 transitions. [2024-12-02 15:27:50,409 INFO L78 Accepts]: Start accepts. Automaton has 27637 states and 36655 transitions. Word has length 274 [2024-12-02 15:27:50,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:50,410 INFO L471 AbstractCegarLoop]: Abstraction has 27637 states and 36655 transitions. [2024-12-02 15:27:50,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 15:27:50,410 INFO L276 IsEmpty]: Start isEmpty. Operand 27637 states and 36655 transitions. [2024-12-02 15:27:50,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-12-02 15:27:50,416 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:50,416 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 13, 13, 13, 13, 13, 13, 5, 5, 5, 3, 3, 3, 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] [2024-12-02 15:27:50,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 15:27:50,416 INFO L396 AbstractCegarLoop]: === Iteration 18 === 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 15:27:50,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:50,417 INFO L85 PathProgramCache]: Analyzing trace with hash 59527050, now seen corresponding path program 1 times [2024-12-02 15:27:50,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:50,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412876814] [2024-12-02 15:27:50,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:50,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:57,782 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 967 trivial. 0 not checked. [2024-12-02 15:27:57,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:57,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412876814] [2024-12-02 15:27:57,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412876814] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:57,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:57,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:27:57,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977073645] [2024-12-02 15:27:57,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:57,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:27:57,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:57,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:27:57,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:27:57,783 INFO L87 Difference]: Start difference. First operand 27637 states and 36655 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 15:28:01,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:28:04,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:04,145 INFO L93 Difference]: Finished difference Result 67293 states and 89314 transitions. [2024-12-02 15:28:04,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:28:04,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 282 [2024-12-02 15:28:04,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:04,264 INFO L225 Difference]: With dead ends: 67293 [2024-12-02 15:28:04,264 INFO L226 Difference]: Without dead ends: 39931 [2024-12-02 15:28:04,321 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 15:28:04,322 INFO L435 NwaCegarLoop]: 6057 mSDtfsCounter, 2956 mSDsluCounter, 3061 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2956 SdHoareTripleChecker+Valid, 9118 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:04,322 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2956 Valid, 9118 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 54 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 15:28:04,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39931 states. [2024-12-02 15:28:06,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39931 to 39923. [2024-12-02 15:28:06,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39923 states, 28821 states have (on average 1.2458623920058292) internal successors, (35907), 29144 states have internal predecessors, (35907), 8408 states have call successors, (8408), 2700 states have call predecessors, (8408), 2692 states have return successors, (8610), 8290 states have call predecessors, (8610), 8408 states have call successors, (8610) [2024-12-02 15:28:06,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39923 states to 39923 states and 52925 transitions. [2024-12-02 15:28:06,370 INFO L78 Accepts]: Start accepts. Automaton has 39923 states and 52925 transitions. Word has length 282 [2024-12-02 15:28:06,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:06,371 INFO L471 AbstractCegarLoop]: Abstraction has 39923 states and 52925 transitions. [2024-12-02 15:28:06,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 15:28:06,371 INFO L276 IsEmpty]: Start isEmpty. Operand 39923 states and 52925 transitions. [2024-12-02 15:28:06,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-12-02 15:28:06,378 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:06,378 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 13, 13, 13, 13, 13, 13, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 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] [2024-12-02 15:28:06,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 15:28:06,378 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 15:28:06,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:06,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1864536787, now seen corresponding path program 1 times [2024-12-02 15:28:06,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:06,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761480754] [2024-12-02 15:28:06,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:06,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:13,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2024-12-02 15:28:13,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:13,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761480754] [2024-12-02 15:28:13,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761480754] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:13,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:13,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:28:13,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352069260] [2024-12-02 15:28:13,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:13,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:28:13,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:13,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:28:13,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:28:13,920 INFO L87 Difference]: Start difference. First operand 39923 states and 52925 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 15:28:18,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:28:20,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:20,790 INFO L93 Difference]: Finished difference Result 91822 states and 121776 transitions. [2024-12-02 15:28:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:28:20,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 332 [2024-12-02 15:28:20,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:20,966 INFO L225 Difference]: With dead ends: 91822 [2024-12-02 15:28:20,966 INFO L226 Difference]: Without dead ends: 51931 [2024-12-02 15:28:21,053 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 15:28:21,054 INFO L435 NwaCegarLoop]: 6072 mSDtfsCounter, 2959 mSDsluCounter, 3067 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2959 SdHoareTripleChecker+Valid, 9139 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:21,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2959 Valid, 9139 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 49 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 15:28:21,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51931 states. [2024-12-02 15:28:24,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51931 to 51923. [2024-12-02 15:28:24,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51923 states, 37503 states have (on average 1.246140308775298) internal successors, (46734), 37922 states have internal predecessors, (46734), 10915 states have call successors, (10915), 3513 states have call predecessors, (10915), 3503 states have return successors, (11183), 10765 states have call predecessors, (11183), 10915 states have call successors, (11183) [2024-12-02 15:28:24,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51923 states to 51923 states and 68832 transitions. [2024-12-02 15:28:24,692 INFO L78 Accepts]: Start accepts. Automaton has 51923 states and 68832 transitions. Word has length 332 [2024-12-02 15:28:24,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:24,692 INFO L471 AbstractCegarLoop]: Abstraction has 51923 states and 68832 transitions. [2024-12-02 15:28:24,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 15:28:24,692 INFO L276 IsEmpty]: Start isEmpty. Operand 51923 states and 68832 transitions. [2024-12-02 15:28:24,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-12-02 15:28:24,701 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:24,701 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 13, 13, 13, 13, 13, 13, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 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] [2024-12-02 15:28:24,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 15:28:24,701 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 15:28:24,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:24,701 INFO L85 PathProgramCache]: Analyzing trace with hash 353093611, now seen corresponding path program 1 times [2024-12-02 15:28:24,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:24,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804119010] [2024-12-02 15:28:24,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:24,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:32,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2024-12-02 15:28:32,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:32,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804119010] [2024-12-02 15:28:32,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804119010] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:32,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:32,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:28:32,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254880715] [2024-12-02 15:28:32,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:32,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:28:32,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:32,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:28:32,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:28:32,246 INFO L87 Difference]: Start difference. First operand 51923 states and 68832 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 15:28:36,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:28:39,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:39,769 INFO L93 Difference]: Finished difference Result 116087 states and 153884 transitions. [2024-12-02 15:28:39,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:28:39,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 332 [2024-12-02 15:28:39,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:39,985 INFO L225 Difference]: With dead ends: 116087 [2024-12-02 15:28:39,985 INFO L226 Difference]: Without dead ends: 64439 [2024-12-02 15:28:40,092 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 15:28:40,093 INFO L435 NwaCegarLoop]: 5762 mSDtfsCounter, 2975 mSDsluCounter, 3054 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2975 SdHoareTripleChecker+Valid, 8816 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:40,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2975 Valid, 8816 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 52 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 15:28:40,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64439 states. [2024-12-02 15:28:44,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64439 to 64431. [2024-12-02 15:28:44,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64431 states, 46567 states have (on average 1.2459037515837394) internal successors, (58018), 47084 states have internal predecessors, (58018), 13487 states have call successors, (13487), 4387 states have call predecessors, (13487), 4375 states have return successors, (13821), 13305 states have call predecessors, (13821), 13487 states have call successors, (13821) [2024-12-02 15:28:44,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64431 states to 64431 states and 85326 transitions. [2024-12-02 15:28:44,509 INFO L78 Accepts]: Start accepts. Automaton has 64431 states and 85326 transitions. Word has length 332 [2024-12-02 15:28:44,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:44,510 INFO L471 AbstractCegarLoop]: Abstraction has 64431 states and 85326 transitions. [2024-12-02 15:28:44,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 15:28:44,510 INFO L276 IsEmpty]: Start isEmpty. Operand 64431 states and 85326 transitions. [2024-12-02 15:28:44,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2024-12-02 15:28:44,520 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:44,521 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 14, 14, 14, 14, 14, 14, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 15:28:44,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 15:28:44,521 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 15:28:44,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:44,521 INFO L85 PathProgramCache]: Analyzing trace with hash 2094186259, now seen corresponding path program 1 times [2024-12-02 15:28:44,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:44,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668711517] [2024-12-02 15:28:44,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:44,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:52,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1534 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 1478 trivial. 0 not checked. [2024-12-02 15:28:52,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:52,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668711517] [2024-12-02 15:28:52,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668711517] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:52,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:52,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:28:52,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623457253] [2024-12-02 15:28:52,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:52,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:28:52,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:52,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:28:52,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:28:52,815 INFO L87 Difference]: Start difference. First operand 64431 states and 85326 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-12-02 15:28:56,913 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 15:29:00,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:00,909 INFO L93 Difference]: Finished difference Result 140843 states and 186592 transitions. [2024-12-02 15:29:00,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:29:00,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 402 [2024-12-02 15:29:00,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:01,194 INFO L225 Difference]: With dead ends: 140843 [2024-12-02 15:29:01,194 INFO L226 Difference]: Without dead ends: 76687 [2024-12-02 15:29:01,326 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 15:29:01,327 INFO L435 NwaCegarLoop]: 5438 mSDtfsCounter, 2963 mSDsluCounter, 3064 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2963 SdHoareTripleChecker+Valid, 8502 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:01,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2963 Valid, 8502 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 52 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 15:29:01,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76687 states. [2024-12-02 15:29:06,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76687 to 76679. [2024-12-02 15:29:06,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76679 states, 55449 states have (on average 1.2462262619704594) internal successors, (69102), 56062 states have internal predecessors, (69102), 16027 states have call successors, (16027), 5215 states have call predecessors, (16027), 5201 states have return successors, (16427), 15813 states have call predecessors, (16427), 16027 states have call successors, (16427) [2024-12-02 15:29:06,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76679 states to 76679 states and 101556 transitions. [2024-12-02 15:29:06,462 INFO L78 Accepts]: Start accepts. Automaton has 76679 states and 101556 transitions. Word has length 402 [2024-12-02 15:29:06,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:06,463 INFO L471 AbstractCegarLoop]: Abstraction has 76679 states and 101556 transitions. [2024-12-02 15:29:06,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-12-02 15:29:06,463 INFO L276 IsEmpty]: Start isEmpty. Operand 76679 states and 101556 transitions. [2024-12-02 15:29:06,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2024-12-02 15:29:06,475 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:06,475 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 14, 14, 14, 14, 14, 14, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 15:29:06,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 15:29:06,476 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 15:29:06,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:06,477 INFO L85 PathProgramCache]: Analyzing trace with hash 16849361, now seen corresponding path program 1 times [2024-12-02 15:29:06,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:06,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615611247] [2024-12-02 15:29:06,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:06,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:14,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1534 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 1478 trivial. 0 not checked. [2024-12-02 15:29:14,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:14,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615611247] [2024-12-02 15:29:14,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615611247] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:14,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:14,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:29:14,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853248461] [2024-12-02 15:29:14,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:14,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:29:14,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:14,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:29:14,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:29:14,694 INFO L87 Difference]: Start difference. First operand 76679 states and 101556 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-12-02 15:29:18,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:24,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:24,671 INFO L93 Difference]: Finished difference Result 165435 states and 219172 transitions. [2024-12-02 15:29:24,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:29:24,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 402 [2024-12-02 15:29:24,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:24,997 INFO L225 Difference]: With dead ends: 165435 [2024-12-02 15:29:24,997 INFO L226 Difference]: Without dead ends: 89031 [2024-12-02 15:29:25,162 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 15:29:25,166 INFO L435 NwaCegarLoop]: 6074 mSDtfsCounter, 2976 mSDsluCounter, 3065 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2976 SdHoareTripleChecker+Valid, 9139 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:25,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2976 Valid, 9139 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 15:29:25,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89031 states. [2024-12-02 15:29:29,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89031 to 89023. [2024-12-02 15:29:29,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89023 states, 64411 states have (on average 1.2464020120786823) internal successors, (80282), 65120 states have internal predecessors, (80282), 18575 states have call successors, (18575), 6051 states have call predecessors, (18575), 6035 states have return successors, (19041), 18329 states have call predecessors, (19041), 18575 states have call successors, (19041) [2024-12-02 15:29:30,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89023 states to 89023 states and 117898 transitions. [2024-12-02 15:29:30,363 INFO L78 Accepts]: Start accepts. Automaton has 89023 states and 117898 transitions. Word has length 402 [2024-12-02 15:29:30,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:30,364 INFO L471 AbstractCegarLoop]: Abstraction has 89023 states and 117898 transitions. [2024-12-02 15:29:30,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-12-02 15:29:30,364 INFO L276 IsEmpty]: Start isEmpty. Operand 89023 states and 117898 transitions. [2024-12-02 15:29:30,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2024-12-02 15:29:30,375 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:30,375 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 14, 14, 14, 14, 14, 14, 10, 10, 10, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:30,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 15:29:30,376 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 15:29:30,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:30,376 INFO L85 PathProgramCache]: Analyzing trace with hash 43978873, now seen corresponding path program 1 times [2024-12-02 15:29:30,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:30,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278370534] [2024-12-02 15:29:30,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:30,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:40,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2024-12-02 15:29:40,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:40,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278370534] [2024-12-02 15:29:40,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278370534] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:40,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:40,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:29:40,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492017985] [2024-12-02 15:29:40,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:40,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:29:40,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:40,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:29:40,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:29:40,008 INFO L87 Difference]: Start difference. First operand 89023 states and 117898 transitions. Second operand has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2024-12-02 15:29:44,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:50,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:50,576 INFO L93 Difference]: Finished difference Result 190019 states and 251681 transitions. [2024-12-02 15:29:50,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:29:50,577 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) Word has length 440 [2024-12-02 15:29:50,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:51,558 INFO L225 Difference]: With dead ends: 190019 [2024-12-02 15:29:51,559 INFO L226 Difference]: Without dead ends: 101271 [2024-12-02 15:29:51,880 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:29:51,881 INFO L435 NwaCegarLoop]: 5964 mSDtfsCounter, 2961 mSDsluCounter, 14980 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2961 SdHoareTripleChecker+Valid, 20944 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:51,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2961 Valid, 20944 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 15:29:51,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101271 states. [2024-12-02 15:29:59,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101271 to 101247. [2024-12-02 15:29:59,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101247 states, 73261 states have (on average 1.246693329329384) internal successors, (91334), 74066 states have internal predecessors, (91334), 21115 states have call successors, (21115), 6879 states have call predecessors, (21115), 6869 states have return successors, (21655), 20845 states have call predecessors, (21655), 21115 states have call successors, (21655) [2024-12-02 15:29:59,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101247 states to 101247 states and 134104 transitions. [2024-12-02 15:30:00,100 INFO L78 Accepts]: Start accepts. Automaton has 101247 states and 134104 transitions. Word has length 440 [2024-12-02 15:30:00,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:30:00,101 INFO L471 AbstractCegarLoop]: Abstraction has 101247 states and 134104 transitions. [2024-12-02 15:30:00,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2024-12-02 15:30:00,101 INFO L276 IsEmpty]: Start isEmpty. Operand 101247 states and 134104 transitions. [2024-12-02 15:30:00,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2024-12-02 15:30:00,121 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:30:00,121 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 14, 14, 14, 14, 14, 14, 10, 10, 10, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:30:00,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 15:30:00,121 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 15:30:00,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:30:00,122 INFO L85 PathProgramCache]: Analyzing trace with hash -992601784, now seen corresponding path program 1 times [2024-12-02 15:30:00,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:30:00,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99705699] [2024-12-02 15:30:00,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:00,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:30:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:11,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 1737 trivial. 0 not checked. [2024-12-02 15:30:11,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:30:11,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99705699] [2024-12-02 15:30:11,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99705699] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:30:11,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:30:11,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:30:11,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546557815] [2024-12-02 15:30:11,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:30:11,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:30:11,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:30:11,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:30:11,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:30:11,762 INFO L87 Difference]: Start difference. First operand 101247 states and 134104 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 15:30:15,873 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 15:30:22,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:30:22,947 INFO L93 Difference]: Finished difference Result 234841 states and 311737 transitions. [2024-12-02 15:30:22,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:30:22,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 441 [2024-12-02 15:30:22,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:30:23,558 INFO L225 Difference]: With dead ends: 234841 [2024-12-02 15:30:23,558 INFO L226 Difference]: Without dead ends: 133869 [2024-12-02 15:30:23,796 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 15:30:23,797 INFO L435 NwaCegarLoop]: 5518 mSDtfsCounter, 2534 mSDsluCounter, 3015 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 28 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2534 SdHoareTripleChecker+Valid, 8533 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:30:23,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2534 Valid, 8533 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 122 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 15:30:23,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133869 states. [2024-12-02 15:30:31,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133869 to 133857. [2024-12-02 15:30:31,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133857 states, 97287 states have (on average 1.24799819091965) internal successors, (121414), 98336 states have internal predecessors, (121414), 27563 states have call successors, (27563), 9013 states have call predecessors, (27563), 9005 states have return successors, (28109), 27243 states have call predecessors, (28109), 27563 states have call successors, (28109) [2024-12-02 15:30:31,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133857 states to 133857 states and 177086 transitions. [2024-12-02 15:30:31,924 INFO L78 Accepts]: Start accepts. Automaton has 133857 states and 177086 transitions. Word has length 441 [2024-12-02 15:30:31,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:30:31,924 INFO L471 AbstractCegarLoop]: Abstraction has 133857 states and 177086 transitions. [2024-12-02 15:30:31,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 15:30:31,925 INFO L276 IsEmpty]: Start isEmpty. Operand 133857 states and 177086 transitions. [2024-12-02 15:30:31,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2024-12-02 15:30:31,945 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:30:31,945 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 14, 14, 14, 14, 14, 14, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 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 15:30:31,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 15:30:31,946 INFO L396 AbstractCegarLoop]: === Iteration 25 === 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 15:30:31,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:30:31,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1776318570, now seen corresponding path program 1 times [2024-12-02 15:30:31,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:30:31,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338070324] [2024-12-02 15:30:31,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:31,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:30:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:40,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1967 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 1924 trivial. 0 not checked. [2024-12-02 15:30:40,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:30:40,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338070324] [2024-12-02 15:30:40,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338070324] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:30:40,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:30:40,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:30:40,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185318863] [2024-12-02 15:30:40,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:30:40,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:30:40,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:30:40,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:30:40,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:30:40,877 INFO L87 Difference]: Start difference. First operand 133857 states and 177086 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 15:30:44,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:30:54,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:30:54,000 INFO L93 Difference]: Finished difference Result 298973 states and 395717 transitions. [2024-12-02 15:30:54,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:30:54,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) Word has length 494 [2024-12-02 15:30:54,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:30:55,334 INFO L225 Difference]: With dead ends: 298973 [2024-12-02 15:30:55,334 INFO L226 Difference]: Without dead ends: 164943 [2024-12-02 15:30:55,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:30:55,751 INFO L435 NwaCegarLoop]: 5612 mSDtfsCounter, 2492 mSDsluCounter, 14231 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2492 SdHoareTripleChecker+Valid, 19843 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:30:55,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2492 Valid, 19843 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 117 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 15:30:55,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164943 states. [2024-12-02 15:31:08,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164943 to 164867. [2024-12-02 15:31:08,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164867 states, 119847 states have (on average 1.2500688377681544) internal successors, (149817), 121140 states have internal predecessors, (149817), 33912 states have call successors, (33912), 11082 states have call predecessors, (33912), 11106 states have return successors, (34494), 33572 states have call predecessors, (34494), 33912 states have call successors, (34494) [2024-12-02 15:31:08,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164867 states to 164867 states and 218223 transitions. [2024-12-02 15:31:08,941 INFO L78 Accepts]: Start accepts. Automaton has 164867 states and 218223 transitions. Word has length 494 [2024-12-02 15:31:08,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:31:08,942 INFO L471 AbstractCegarLoop]: Abstraction has 164867 states and 218223 transitions. [2024-12-02 15:31:08,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 15:31:08,942 INFO L276 IsEmpty]: Start isEmpty. Operand 164867 states and 218223 transitions. [2024-12-02 15:31:08,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2024-12-02 15:31:08,975 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:31:08,976 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 14, 14, 14, 14, 14, 14, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:31:08,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 15:31:08,976 INFO L396 AbstractCegarLoop]: === Iteration 26 === 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 15:31:08,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:31:08,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1227372931, now seen corresponding path program 1 times [2024-12-02 15:31:08,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:31:08,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594752746] [2024-12-02 15:31:08,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:31:08,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:31:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:31:18,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1967 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 1924 trivial. 0 not checked. [2024-12-02 15:31:18,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:31:18,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594752746] [2024-12-02 15:31:18,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594752746] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:31:18,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:31:18,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:31:18,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625391864] [2024-12-02 15:31:18,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:31:18,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:31:18,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:31:18,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:31:18,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:31:18,286 INFO L87 Difference]: Start difference. First operand 164867 states and 218223 transitions. Second operand has 5 states, 5 states have (on average 36.0) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 15:31:22,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:31:35,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:31:35,353 INFO L93 Difference]: Finished difference Result 382397 states and 506723 transitions. [2024-12-02 15:31:35,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:31:35,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) Word has length 495 [2024-12-02 15:31:35,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:31:36,549 INFO L225 Difference]: With dead ends: 382397 [2024-12-02 15:31:36,549 INFO L226 Difference]: Without dead ends: 217805 [2024-12-02 15:31:36,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:31:36,895 INFO L435 NwaCegarLoop]: 5595 mSDtfsCounter, 2661 mSDsluCounter, 14180 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2661 SdHoareTripleChecker+Valid, 19775 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:31:36,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2661 Valid, 19775 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 181 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 15:31:37,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217805 states. [2024-12-02 15:31:49,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217805 to 217729. [2024-12-02 15:31:49,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217729 states, 157621 states have (on average 1.2471878747121259) internal successors, (196583), 159354 states have internal predecessors, (196583), 45400 states have call successors, (45400), 14662 states have call predecessors, (45400), 14706 states have return successors, (46036), 44928 states have call predecessors, (46036), 45400 states have call successors, (46036) [2024-12-02 15:31:50,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217729 states to 217729 states and 288019 transitions. [2024-12-02 15:31:50,610 INFO L78 Accepts]: Start accepts. Automaton has 217729 states and 288019 transitions. Word has length 495 [2024-12-02 15:31:50,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:31:50,611 INFO L471 AbstractCegarLoop]: Abstraction has 217729 states and 288019 transitions. [2024-12-02 15:31:50,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 15:31:50,611 INFO L276 IsEmpty]: Start isEmpty. Operand 217729 states and 288019 transitions. [2024-12-02 15:31:50,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2024-12-02 15:31:50,648 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:31:50,649 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 14, 14, 14, 14, 14, 14, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:31:50,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 15:31:50,649 INFO L396 AbstractCegarLoop]: === Iteration 27 === 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 15:31:50,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:31:50,650 INFO L85 PathProgramCache]: Analyzing trace with hash -935915923, now seen corresponding path program 1 times [2024-12-02 15:31:50,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:31:50,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236829970] [2024-12-02 15:31:50,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:31:50,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:31:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:31:59,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1967 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 1924 trivial. 0 not checked. [2024-12-02 15:31:59,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:31:59,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236829970] [2024-12-02 15:31:59,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236829970] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:31:59,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:31:59,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:31:59,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139105047] [2024-12-02 15:31:59,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:31:59,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:31:59,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:31:59,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:31:59,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:31:59,658 INFO L87 Difference]: Start difference. First operand 217729 states and 288019 transitions. Second operand has 5 states, 5 states have (on average 36.2) internal successors, (181), 4 states have internal predecessors, (181), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 15:32:03,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:32:19,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:32:19,775 INFO L93 Difference]: Finished difference Result 488217 states and 646507 transitions. [2024-12-02 15:32:19,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:32:19,776 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 4 states have internal predecessors, (181), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) Word has length 496 [2024-12-02 15:32:19,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:32:21,556 INFO L225 Difference]: With dead ends: 488217 [2024-12-02 15:32:21,556 INFO L226 Difference]: Without dead ends: 270763 [2024-12-02 15:32:22,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:32:22,113 INFO L435 NwaCegarLoop]: 5749 mSDtfsCounter, 2652 mSDsluCounter, 14500 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 25 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2652 SdHoareTripleChecker+Valid, 20249 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:32:22,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2652 Valid, 20249 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 15:32:22,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270763 states. [2024-12-02 15:32:37,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270763 to 270687. [2024-12-02 15:32:38,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270687 states, 195491 states have (on average 1.2453002951542527) internal successors, (243445), 197664 states have internal predecessors, (243445), 56888 states have call successors, (56888), 18242 states have call predecessors, (56888), 18306 states have return successors, (57578), 56284 states have call predecessors, (57578), 56888 states have call successors, (57578) [2024-12-02 15:32:39,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270687 states to 270687 states and 357911 transitions. [2024-12-02 15:32:39,803 INFO L78 Accepts]: Start accepts. Automaton has 270687 states and 357911 transitions. Word has length 496 [2024-12-02 15:32:39,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:32:39,804 INFO L471 AbstractCegarLoop]: Abstraction has 270687 states and 357911 transitions. [2024-12-02 15:32:39,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 4 states have internal predecessors, (181), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 15:32:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand 270687 states and 357911 transitions. [2024-12-02 15:32:39,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2024-12-02 15:32:39,842 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:32:39,842 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 14, 14, 14, 14, 14, 14, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:32:39,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 15:32:39,843 INFO L396 AbstractCegarLoop]: === Iteration 28 === 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 15:32:39,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:32:39,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1574070240, now seen corresponding path program 1 times [2024-12-02 15:32:39,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:32:39,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148258706] [2024-12-02 15:32:39,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:32:39,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:32:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:32:48,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1967 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 1924 trivial. 0 not checked. [2024-12-02 15:32:48,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:32:48,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148258706] [2024-12-02 15:32:48,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148258706] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:32:48,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:32:48,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:32:48,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824515064] [2024-12-02 15:32:48,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:32:48,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:32:48,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:32:48,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:32:48,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:32:48,306 INFO L87 Difference]: Start difference. First operand 270687 states and 357911 transitions. Second operand has 5 states, 5 states have (on average 36.4) internal successors, (182), 4 states have internal predecessors, (182), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 15:32:52,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:33:10,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:33:10,825 INFO L93 Difference]: Finished difference Result 594101 states and 786323 transitions. [2024-12-02 15:33:10,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:33:10,826 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.4) internal successors, (182), 4 states have internal predecessors, (182), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) Word has length 497 [2024-12-02 15:33:10,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:33:12,496 INFO L225 Difference]: With dead ends: 594101 [2024-12-02 15:33:12,497 INFO L226 Difference]: Without dead ends: 323689 [2024-12-02 15:33:13,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:33:13,108 INFO L435 NwaCegarLoop]: 5749 mSDtfsCounter, 2654 mSDsluCounter, 14500 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 27 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2654 SdHoareTripleChecker+Valid, 20249 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:33:13,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2654 Valid, 20249 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 196 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 15:33:13,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323689 states. [2024-12-02 15:33:31,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323689 to 323613. [2024-12-02 15:33:32,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323613 states, 233361 states have (on average 1.2440253512797768) internal successors, (290307), 235974 states have internal predecessors, (290307), 68376 states have call successors, (68376), 21822 states have call predecessors, (68376), 21874 states have return successors, (69088), 67608 states have call predecessors, (69088), 68376 states have call successors, (69088) [2024-12-02 15:33:33,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323613 states to 323613 states and 427771 transitions. [2024-12-02 15:33:34,039 INFO L78 Accepts]: Start accepts. Automaton has 323613 states and 427771 transitions. Word has length 497 [2024-12-02 15:33:34,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:33:34,040 INFO L471 AbstractCegarLoop]: Abstraction has 323613 states and 427771 transitions. [2024-12-02 15:33:34,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.4) internal successors, (182), 4 states have internal predecessors, (182), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 15:33:34,041 INFO L276 IsEmpty]: Start isEmpty. Operand 323613 states and 427771 transitions. [2024-12-02 15:33:34,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2024-12-02 15:33:34,092 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:33:34,093 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 14, 14, 14, 14, 14, 14, 12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:33:34,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 15:33:34,093 INFO L396 AbstractCegarLoop]: === Iteration 29 === 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 15:33:34,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:33:34,094 INFO L85 PathProgramCache]: Analyzing trace with hash 671719121, now seen corresponding path program 1 times [2024-12-02 15:33:34,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:33:34,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678216979] [2024-12-02 15:33:34,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:33:34,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:33:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:33:44,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1921 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1921 trivial. 0 not checked. [2024-12-02 15:33:44,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:33:44,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678216979] [2024-12-02 15:33:44,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678216979] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:33:44,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:33:44,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:33:44,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461166342] [2024-12-02 15:33:44,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:33:44,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:33:44,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:33:44,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:33:44,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:33:44,762 INFO L87 Difference]: Start difference. First operand 323613 states and 427771 transitions. Second operand has 5 states, 5 states have (on average 33.0) internal successors, (165), 4 states have internal predecessors, (165), 2 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-12-02 15:33:59,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:33:59,522 INFO L93 Difference]: Finished difference Result 324129 states and 428285 transitions. [2024-12-02 15:33:59,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:33:59,523 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 4 states have internal predecessors, (165), 2 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 516 [2024-12-02 15:33:59,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:34:01,148 INFO L225 Difference]: With dead ends: 324129 [2024-12-02 15:34:01,148 INFO L226 Difference]: Without dead ends: 324127 [2024-12-02 15:34:01,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:34:01,254 INFO L435 NwaCegarLoop]: 3136 mSDtfsCounter, 2951 mSDsluCounter, 6311 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2952 SdHoareTripleChecker+Valid, 9447 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:34:01,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2952 Valid, 9447 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:34:01,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324127 states. [2024-12-02 15:34:18,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324127 to 324125. [2024-12-02 15:34:18,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324125 states, 233745 states have (on average 1.2432565402468503) internal successors, (290605), 236358 states have internal predecessors, (290605), 68376 states have call successors, (68376), 21950 states have call predecessors, (68376), 22002 states have return successors, (69088), 67608 states have call predecessors, (69088), 68376 states have call successors, (69088) [2024-12-02 15:34:20,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324125 states to 324125 states and 428069 transitions. [2024-12-02 15:34:20,568 INFO L78 Accepts]: Start accepts. Automaton has 324125 states and 428069 transitions. Word has length 516 [2024-12-02 15:34:20,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:34:20,568 INFO L471 AbstractCegarLoop]: Abstraction has 324125 states and 428069 transitions. [2024-12-02 15:34:20,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 4 states have internal predecessors, (165), 2 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-12-02 15:34:20,569 INFO L276 IsEmpty]: Start isEmpty. Operand 324125 states and 428069 transitions. [2024-12-02 15:34:20,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2024-12-02 15:34:20,621 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:34:20,621 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 14, 14, 14, 14, 14, 14, 13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:34:20,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 15:34:20,621 INFO L396 AbstractCegarLoop]: === Iteration 30 === 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 15:34:20,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:34:20,622 INFO L85 PathProgramCache]: Analyzing trace with hash -369514784, now seen corresponding path program 1 times [2024-12-02 15:34:20,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:34:20,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393603744] [2024-12-02 15:34:20,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:34:20,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:34:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:34:29,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1972 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1972 trivial. 0 not checked. [2024-12-02 15:34:29,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:34:29,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393603744] [2024-12-02 15:34:29,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393603744] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:34:29,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:34:29,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:34:29,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577445321] [2024-12-02 15:34:29,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:34:29,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:34:29,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:34:29,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:34:29,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:34:29,648 INFO L87 Difference]: Start difference. First operand 324125 states and 428069 transitions. Second operand has 8 states, 7 states have (on average 26.428571428571427) internal successors, (185), 6 states have internal predecessors, (185), 3 states have call successors, (65), 2 states have call predecessors, (65), 3 states have return successors, (61), 4 states have call predecessors, (61), 2 states have call successors, (61) [2024-12-02 15:34:48,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:34:48,114 INFO L93 Difference]: Finished difference Result 649739 states and 860023 transitions. [2024-12-02 15:34:48,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:34:48,115 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.428571428571427) internal successors, (185), 6 states have internal predecessors, (185), 3 states have call successors, (65), 2 states have call predecessors, (65), 3 states have return successors, (61), 4 states have call predecessors, (61), 2 states have call successors, (61) Word has length 555 [2024-12-02 15:34:48,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:34:49,815 INFO L225 Difference]: With dead ends: 649739 [2024-12-02 15:34:49,816 INFO L226 Difference]: Without dead ends: 325889 [2024-12-02 15:34:50,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:34:50,794 INFO L435 NwaCegarLoop]: 3093 mSDtfsCounter, 3 mSDsluCounter, 18522 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 21615 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:34:50,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 21615 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 15:34:51,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325889 states.