./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.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_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/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_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/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_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/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 f201c9fc7d4219aa0468bc01572a6edb3f3cca31435c2c238ec6b81ac198d85a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:01:15,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:01:15,074 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 12:01:15,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:01:15,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:01:15,099 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:01:15,100 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:01:15,100 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:01:15,100 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:01:15,100 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:01:15,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:01:15,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:01:15,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:01:15,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:01:15,101 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:01:15,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:01:15,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:01:15,101 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:01:15,101 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:01:15,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:01:15,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:01:15,101 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:01:15,102 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:01:15,102 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:01:15,102 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:01:15,102 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:01:15,102 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:01:15,102 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:01:15,102 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:01:15,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:01:15,102 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:01:15,102 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:01:15,102 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:01:15,102 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:01:15,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:01:15,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:01:15,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:01:15,103 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:01:15,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:01:15,103 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:01:15,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:01:15,103 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:01:15,103 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:01:15,103 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:01:15,103 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:01:15,103 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_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/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 -> f201c9fc7d4219aa0468bc01572a6edb3f3cca31435c2c238ec6b81ac198d85a [2024-12-02 12:01:15,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:01:15,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:01:15,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:01:15,336 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:01:15,336 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:01:15,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2024-12-02 12:01:17,960 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/bin/uautomizer-verify-84ZbGMXZE1/data/dd0b4e43b/45bdcf59663f4f1e8de231e39b326680/FLAG8542615cd [2024-12-02 12:01:18,432 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:01:18,433 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2024-12-02 12:01:18,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/bin/uautomizer-verify-84ZbGMXZE1/data/dd0b4e43b/45bdcf59663f4f1e8de231e39b326680/FLAG8542615cd [2024-12-02 12:01:18,512 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/bin/uautomizer-verify-84ZbGMXZE1/data/dd0b4e43b/45bdcf59663f4f1e8de231e39b326680 [2024-12-02 12:01:18,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:01:18,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:01:18,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:01:18,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:01:18,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:01:18,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:01:18" (1/1) ... [2024-12-02 12:01:18,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40fd3c52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:18, skipping insertion in model container [2024-12-02 12:01:18,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:01:18" (1/1) ... [2024-12-02 12:01:18,652 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:01:21,553 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_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2024-12-02 12:01:21,555 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_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2024-12-02 12:01:21,556 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_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2024-12-02 12:01:21,556 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_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2024-12-02 12:01:21,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:01:21,620 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:01:21,742 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"); [5886] [2024-12-02 12:01:21,744 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)); [5893] [2024-12-02 12:01:21,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5900] [2024-12-02 12:01:21,747 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)); [5940-5941] [2024-12-02 12:01:21,747 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"); [5946-5948] [2024-12-02 12:01:21,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5962] [2024-12-02 12:01:21,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6038] [2024-12-02 12:01:21,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6041] [2024-12-02 12:01:21,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6044] [2024-12-02 12:01:21,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6047] [2024-12-02 12:01:21,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6657] [2024-12-02 12:01:21,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6660] [2024-12-02 12:01:21,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6663] [2024-12-02 12:01:21,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6666] [2024-12-02 12:01:21,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6697] [2024-12-02 12:01:21,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6700] [2024-12-02 12:01:21,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6703] [2024-12-02 12:01:21,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6706] [2024-12-02 12:01:21,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6737] [2024-12-02 12:01:21,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6740] [2024-12-02 12:01:21,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6743] [2024-12-02 12:01:21,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6746] [2024-12-02 12:01:21,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6777] [2024-12-02 12:01:21,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6780] [2024-12-02 12:01:21,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6783] [2024-12-02 12:01:21,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6786] [2024-12-02 12:01:21,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7986] [2024-12-02 12:01:21,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9616] [2024-12-02 12:01:21,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9990] [2024-12-02 12:01:21,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10003] [2024-12-02 12:01:21,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10027] [2024-12-02 12:01:21,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10040] [2024-12-02 12:01:21,940 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 *)"drivers/net/ethernet/atheros/atlx/atl2.c"), "i" (2966), "i" (12UL)); [10399-10400] [2024-12-02 12:01:22,006 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_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2024-12-02 12:01:22,007 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_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2024-12-02 12:01:22,007 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_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2024-12-02 12:01:22,007 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_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2024-12-02 12:01:22,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:01:22,247 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:01:22,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:22 WrapperNode [2024-12-02 12:01:22,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:01:22,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:01:22,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:01:22,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:01:22,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:22" (1/1) ... [2024-12-02 12:01:22,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:22" (1/1) ... [2024-12-02 12:01:22,566 INFO L138 Inliner]: procedures = 536, calls = 2767, calls flagged for inlining = 265, calls inlined = 239, statements flattened = 7481 [2024-12-02 12:01:22,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:01:22,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:01:22,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:01:22,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:01:22,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:22" (1/1) ... [2024-12-02 12:01:22,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:22" (1/1) ... [2024-12-02 12:01:22,606 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:22" (1/1) ... [2024-12-02 12:01:24,062 INFO L175 MemorySlicer]: Split 1337 memory accesses to 32 slices as follows [2, 2, 2, 49, 1, 6, 2, 31, 41, 5, 51, 2, 40, 2, 6, 6, 6, 6, 1, 6, 2, 3, 2, 28, 1, 3, 20, 10, 976, 7, 5, 13]. 73 percent of accesses are in the largest equivalence class. The 77 initializations are split as follows [0, 0, 0, 0, 1, 0, 2, 0, 0, 0, 0, 0, 0, 0, 5, 5, 5, 5, 0, 5, 0, 1, 0, 0, 0, 0, 0, 10, 14, 6, 5, 13]. The 607 writes are split as follows [1, 1, 1, 30, 0, 3, 0, 31, 41, 1, 42, 1, 32, 2, 0, 0, 0, 0, 0, 0, 2, 0, 1, 10, 0, 0, 7, 0, 401, 0, 0, 0]. [2024-12-02 12:01:24,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:22" (1/1) ... [2024-12-02 12:01:24,063 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:22" (1/1) ... [2024-12-02 12:01:24,230 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:22" (1/1) ... [2024-12-02 12:01:24,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:22" (1/1) ... [2024-12-02 12:01:24,266 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:22" (1/1) ... [2024-12-02 12:01:24,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:22" (1/1) ... [2024-12-02 12:01:24,331 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:22" (1/1) ... [2024-12-02 12:01:24,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:01:24,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:01:24,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:01:24,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:01:24,383 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:22" (1/1) ... [2024-12-02 12:01:24,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:01:24,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:01:24,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:01:24,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ea975a-6c9c-40ab-b5d5-31d1a4997cba/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:01:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-12-02 12:01:24,439 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-12-02 12:01:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_eeprom_len [2024-12-02 12:01:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_eeprom_len [2024-12-02 12:01:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 12:01:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 12:01:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_nway_reset [2024-12-02 12:01:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_nway_reset [2024-12-02 12:01:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 12:01:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 12:01:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 12:01:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 12:01:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2024-12-02 12:01:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2024-12-02 12:01:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 12:01:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 12:01:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2024-12-02 12:01:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2024-12-02 12:01:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 12:01:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 12:01:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-12-02 12:01:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-12-02 12:01:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 12:01:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 12:01:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-12-02 12:01:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-12-02 12:01:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2024-12-02 12:01:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2024-12-02 12:01:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_irq [2024-12-02 12:01:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_irq [2024-12-02 12:01:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-12-02 12:01:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-12-02 12:01:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-12-02 12:01:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-12-02 12:01:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_close [2024-12-02 12:01:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_close [2024-12-02 12:01:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_speed_and_duplex [2024-12-02 12:01:24,442 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_speed_and_duplex [2024-12-02 12:01:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_force_ps [2024-12-02 12:01:24,442 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_force_ps [2024-12-02 12:01:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-12-02 12:01:24,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-12-02 12:01:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 12:01:24,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 12:01:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 12:01:24,442 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 12:01:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-12-02 12:01:24,442 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-12-02 12:01:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 12:01:24,442 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 12:01:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 12:01:24,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 12:01:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 12:01:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-12-02 12:01:24,442 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-12-02 12:01:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2024-12-02 12:01:24,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2024-12-02 12:01:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2024-12-02 12:01:24,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2024-12-02 12:01:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_write_phy_reg [2024-12-02 12:01:24,443 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_write_phy_reg [2024-12-02 12:01:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2024-12-02 12:01:24,443 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2024-12-02 12:01:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_vlan_mode [2024-12-02 12:01:24,443 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_vlan_mode [2024-12-02 12:01:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-12-02 12:01:24,443 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-12-02 12:01:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_up [2024-12-02 12:01:24,443 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_up [2024-12-02 12:01:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 12:01:24,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 12:01:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-12-02 12:01:24,443 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-12-02 12:01:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 12:01:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 12:01:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 12:01:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 12:01:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 12:01:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 12:01:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 12:01:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 12:01:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 12:01:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#27 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#28 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#29 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#30 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#31 [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_tx_timeout [2024-12-02 12:01:24,444 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_tx_timeout [2024-12-02 12:01:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_enable [2024-12-02 12:01:24,445 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_enable [2024-12-02 12:01:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 12:01:24,445 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 12:01:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_poll_controller [2024-12-02 12:01:24,445 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_poll_controller [2024-12-02 12:01:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 12:01:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 12:01:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 12:01:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 12:01:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 12:01:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 12:01:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 12:01:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 12:01:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 12:01:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 12:01:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 12:01:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 12:01:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 12:01:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 12:01:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 12:01:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 12:01:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 12:01:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 12:01:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 12:01:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 12:01:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 12:01:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 12:01:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-02 12:01:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-12-02 12:01:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-12-02 12:01:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-12-02 12:01:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-12-02 12:01:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-12-02 12:01:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2024-12-02 12:01:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2024-12-02 12:01:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2024-12-02 12:01:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2024-12-02 12:01:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 12:01:24,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 12:01:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 12:01:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 12:01:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 12:01:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 12:01:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 12:01:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 12:01:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 12:01:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 12:01:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 12:01:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 12:01:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 12:01:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 12:01:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 12:01:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 12:01:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 12:01:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_disable [2024-12-02 12:01:24,448 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_disable [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 12:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#24 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#25 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#26 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#27 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#28 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#29 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#30 [2024-12-02 12:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#31 [2024-12-02 12:01:24,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 12:01:24,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 12:01:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 12:01:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 12:01:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 12:01:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 12:01:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 12:01:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 12:01:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 12:01:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 12:01:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 12:01:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 12:01:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 12:01:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 12:01:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 12:01:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 12:01:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 12:01:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 12:01:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 12:01:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-12-02 12:01:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-12-02 12:01:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-12-02 12:01:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-12-02 12:01:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2024-12-02 12:01:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#24 [2024-12-02 12:01:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#25 [2024-12-02 12:01:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#26 [2024-12-02 12:01:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#27 [2024-12-02 12:01:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#28 [2024-12-02 12:01:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#29 [2024-12-02 12:01:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#30 [2024-12-02 12:01:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#31 [2024-12-02 12:01:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2024-12-02 12:01:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2024-12-02 12:01:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-12-02 12:01:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-12-02 12:01:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 12:01:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 12:01:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2024-12-02 12:01:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2024-12-02 12:01:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 12:01:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 12:01:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-12-02 12:01:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-12-02 12:01:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_shutdown [2024-12-02 12:01:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_shutdown [2024-12-02 12:01:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure __atl2_vlan_mode [2024-12-02 12:01:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl2_vlan_mode [2024-12-02 12:01:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 12:01:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 12:01:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 12:01:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 12:01:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 12:01:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 12:01:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 12:01:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2024-12-02 12:01:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2024-12-02 12:01:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:01:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2024-12-02 12:01:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2024-12-02 12:01:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 12:01:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 12:01:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 12:01:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 12:01:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 12:01:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 12:01:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 12:01:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 12:01:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 12:01:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 12:01:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 12:01:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 12:01:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 12:01:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 12:01:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-12-02 12:01:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_set_multi [2024-12-02 12:01:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_set_multi [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_phy_init [2024-12-02 12:01:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_phy_init [2024-12-02 12:01:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-12-02 12:01:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-12-02 12:01:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_configure [2024-12-02 12:01:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_configure [2024-12-02 12:01:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reset_hw [2024-12-02 12:01:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reset_hw [2024-12-02 12:01:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-12-02 12:01:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-12-02 12:01:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-12-02 12:01:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-12-02 12:01:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_open [2024-12-02 12:01:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_open [2024-12-02 12:01:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 12:01:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 12:01:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 12:01:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 12:01:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_validate_option [2024-12-02 12:01:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_validate_option [2024-12-02 12:01:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2024-12-02 12:01:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2024-12-02 12:01:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 12:01:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 12:01:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:01:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:01:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_intr [2024-12-02 12:01:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_intr [2024-12-02 12:01:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-12-02 12:01:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2024-12-02 12:01:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2024-12-02 12:01:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#27 [2024-12-02 12:01:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#28 [2024-12-02 12:01:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#29 [2024-12-02 12:01:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#30 [2024-12-02 12:01:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#31 [2024-12-02 12:01:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 12:01:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 12:01:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 12:01:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 12:01:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 12:01:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 12:01:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 12:01:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 12:01:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 12:01:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 12:01:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 12:01:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 12:01:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 12:01:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 12:01:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 12:01:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 12:01:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 12:01:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 12:01:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 12:01:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 12:01:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 12:01:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 12:01:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-02 12:01:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-12-02 12:01:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-12-02 12:01:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-12-02 12:01:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-12-02 12:01:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2024-12-02 12:01:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2024-12-02 12:01:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2024-12-02 12:01:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2024-12-02 12:01:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#31 [2024-12-02 12:01:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 12:01:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 12:01:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 12:01:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 12:01:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-12-02 12:01:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-12-02 12:01:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-12-02 12:01:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-12-02 12:01:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_remove [2024-12-02 12:01:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_remove [2024-12-02 12:01:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_eeprom [2024-12-02 12:01:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_eeprom [2024-12-02 12:01:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-12-02 12:01:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-12-02 12:01:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-12-02 12:01:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-12-02 12:01:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 12:01:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2024-12-02 12:01:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2024-12-02 12:01:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#30 [2024-12-02 12:01:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#31 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2024-12-02 12:01:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2024-12-02 12:01:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2024-12-02 12:01:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2024-12-02 12:01:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2024-12-02 12:01:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#30 [2024-12-02 12:01:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#31 [2024-12-02 12:01:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_request_irq [2024-12-02 12:01:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_request_irq [2024-12-02 12:01:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 12:01:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 12:01:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_phy_reg [2024-12-02 12:01:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_phy_reg [2024-12-02 12:01:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2024-12-02 12:01:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2024-12-02 12:01:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 12:01:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-12-02 12:01:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-12-02 12:01:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2024-12-02 12:01:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2024-12-02 12:01:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 12:01:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 12:01:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 12:01:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 12:01:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 12:01:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 12:01:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 12:01:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2024-12-02 12:01:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-12-02 12:01:24,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-12-02 12:01:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_suspend [2024-12-02 12:01:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_suspend [2024-12-02 12:01:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 12:01:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 12:01:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reinit_locked [2024-12-02 12:01:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reinit_locked [2024-12-02 12:01:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 12:01:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 12:01:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 12:01:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 12:01:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-12-02 12:01:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-12-02 12:01:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_resume [2024-12-02 12:01:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_resume [2024-12-02 12:01:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 12:01:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 12:01:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-12-02 12:01:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-12-02 12:01:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2024-12-02 12:01:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2024-12-02 12:01:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 12:01:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 12:01:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 12:01:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 12:01:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 12:01:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 12:01:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 12:01:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 12:01:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 12:01:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 12:01:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 12:01:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 12:01:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 12:01:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 12:01:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 12:01:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 12:01:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 12:01:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 12:01:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 12:01:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 12:01:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 12:01:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_regs_len [2024-12-02 12:01:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_regs_len [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_check_eeprom_exist [2024-12-02 12:01:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_check_eeprom_exist [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-12-02 12:01:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_restore_vlan [2024-12-02 12:01:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_restore_vlan [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-12-02 12:01:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2024-12-02 12:01:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2024-12-02 12:01:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring_ptrs [2024-12-02 12:01:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring_ptrs [2024-12-02 12:01:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2024-12-02 12:01:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2024-12-02 12:01:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2024-12-02 12:01:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2024-12-02 12:01:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_ring_resources [2024-12-02 12:01:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_ring_resources [2024-12-02 12:01:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 12:01:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 12:01:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_down [2024-12-02 12:01:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_down [2024-12-02 12:01:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-12-02 12:01:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-12-02 12:01:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-12-02 12:01:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-12-02 12:01:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-12-02 12:01:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-12-02 12:01:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-12-02 12:01:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-12-02 12:01:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_init_hw [2024-12-02 12:01:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_init_hw [2024-12-02 12:01:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:01:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 12:01:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 12:01:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 12:01:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 12:01:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 12:01:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 12:01:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 12:01:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2024-12-02 12:01:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 12:01:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 12:01:25,571 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:01:25,575 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:01:43,764 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 12:01:46,183 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 12:01:53,055 INFO L? ?]: Removed 3742 outVars from TransFormulas that were not future-live. [2024-12-02 12:01:53,055 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:01:53,099 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:01:53,099 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-12-02 12:01:53,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:01:53 BoogieIcfgContainer [2024-12-02 12:01:53,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:01:53,101 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:01:53,102 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:01:53,106 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:01:53,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:01:18" (1/3) ... [2024-12-02 12:01:53,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c7ed362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:01:53, skipping insertion in model container [2024-12-02 12:01:53,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:22" (2/3) ... [2024-12-02 12:01:53,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c7ed362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:01:53, skipping insertion in model container [2024-12-02 12:01:53,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:01:53" (3/3) ... [2024-12-02 12:01:53,108 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2024-12-02 12:01:53,123 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:01:53,126 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i that has 185 procedures, 3210 locations, 1 initial locations, 97 loop locations, and 3 error locations. [2024-12-02 12:01:53,234 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:01:53,244 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;@6f7dedcd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:01:53,244 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 12:01:53,255 INFO L276 IsEmpty]: Start isEmpty. Operand has 2929 states, 2157 states have (on average 1.330551692165044) internal successors, (2870), 2184 states have internal predecessors, (2870), 648 states have call successors, (648), 122 states have call predecessors, (648), 121 states have return successors, (643), 641 states have call predecessors, (643), 643 states have call successors, (643) [2024-12-02 12:01:53,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-02 12:01:53,268 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:01:53,269 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 12:01:53,269 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:01:53,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:01:53,274 INFO L85 PathProgramCache]: Analyzing trace with hash -846369287, now seen corresponding path program 1 times [2024-12-02 12:01:53,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:01:53,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199320050] [2024-12-02 12:01:53,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:53,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:01:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:00,423 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 12:02:00,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:02:00,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199320050] [2024-12-02 12:02:00,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199320050] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:02:00,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:02:00,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:02:00,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717288729] [2024-12-02 12:02:00,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:02:00,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:02:00,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:02:00,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:02:00,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:02:00,451 INFO L87 Difference]: Start difference. First operand has 2929 states, 2157 states have (on average 1.330551692165044) internal successors, (2870), 2184 states have internal predecessors, (2870), 648 states have call successors, (648), 122 states have call predecessors, (648), 121 states have return successors, (643), 641 states have call predecessors, (643), 643 states have call successors, (643) 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 12:02:04,520 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 12:02:05,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:05,253 INFO L93 Difference]: Finished difference Result 8590 states and 12394 transitions. [2024-12-02 12:02:05,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:02:05,255 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 12:02:05,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:05,297 INFO L225 Difference]: With dead ends: 8590 [2024-12-02 12:02:05,297 INFO L226 Difference]: Without dead ends: 5680 [2024-12-02 12:02:05,314 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 12:02:05,316 INFO L435 NwaCegarLoop]: 4076 mSDtfsCounter, 3941 mSDsluCounter, 4008 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3941 SdHoareTripleChecker+Valid, 8084 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:05,317 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3941 Valid, 8084 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 12:02:05,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5680 states. [2024-12-02 12:02:05,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5680 to 5676. [2024-12-02 12:02:05,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5676 states, 4203 states have (on average 1.3021651201522721) internal successors, (5473), 4245 states have internal predecessors, (5473), 1233 states have call successors, (1233), 238 states have call predecessors, (1233), 237 states have return successors, (1230), 1226 states have call predecessors, (1230), 1230 states have call successors, (1230) [2024-12-02 12:02:05,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5676 states to 5676 states and 7936 transitions. [2024-12-02 12:02:05,729 INFO L78 Accepts]: Start accepts. Automaton has 5676 states and 7936 transitions. Word has length 167 [2024-12-02 12:02:05,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:05,733 INFO L471 AbstractCegarLoop]: Abstraction has 5676 states and 7936 transitions. [2024-12-02 12:02:05,733 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 12:02:05,734 INFO L276 IsEmpty]: Start isEmpty. Operand 5676 states and 7936 transitions. [2024-12-02 12:02:05,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-12-02 12:02:05,741 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:05,742 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] [2024-12-02 12:02:05,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 12:02:05,742 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:02:05,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:05,743 INFO L85 PathProgramCache]: Analyzing trace with hash -436289974, now seen corresponding path program 1 times [2024-12-02 12:02:05,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:05,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796464790] [2024-12-02 12:02:05,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:05,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:02:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:12,496 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 12:02:12,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:02:12,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796464790] [2024-12-02 12:02:12,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796464790] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:02:12,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:02:12,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:02:12,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684263160] [2024-12-02 12:02:12,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:02:12,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:02:12,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:02:12,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:02:12,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:02:12,500 INFO L87 Difference]: Start difference. First operand 5676 states and 7936 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 12:02:16,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:02:17,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:17,493 INFO L93 Difference]: Finished difference Result 16750 states and 23448 transitions. [2024-12-02 12:02:17,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:02:17,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 171 [2024-12-02 12:02:17,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:17,549 INFO L225 Difference]: With dead ends: 16750 [2024-12-02 12:02:17,549 INFO L226 Difference]: Without dead ends: 11105 [2024-12-02 12:02:17,568 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 12:02:17,569 INFO L435 NwaCegarLoop]: 4055 mSDtfsCounter, 3937 mSDsluCounter, 3929 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3937 SdHoareTripleChecker+Valid, 7984 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:17,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3937 Valid, 7984 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 12:02:17,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11105 states. [2024-12-02 12:02:18,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11105 to 11067. [2024-12-02 12:02:18,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11067 states, 8245 states have (on average 1.3067313523347484) internal successors, (10774), 8335 states have internal predecessors, (10774), 2358 states have call successors, (2358), 472 states have call predecessors, (2358), 461 states have return successors, (2371), 2323 states have call predecessors, (2371), 2355 states have call successors, (2371) [2024-12-02 12:02:18,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11067 states to 11067 states and 15503 transitions. [2024-12-02 12:02:18,135 INFO L78 Accepts]: Start accepts. Automaton has 11067 states and 15503 transitions. Word has length 171 [2024-12-02 12:02:18,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:18,136 INFO L471 AbstractCegarLoop]: Abstraction has 11067 states and 15503 transitions. [2024-12-02 12:02:18,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 12:02:18,136 INFO L276 IsEmpty]: Start isEmpty. Operand 11067 states and 15503 transitions. [2024-12-02 12:02:18,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-12-02 12:02:18,142 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:18,142 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] [2024-12-02 12:02:18,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:02:18,143 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:02:18,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:18,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1064869829, now seen corresponding path program 1 times [2024-12-02 12:02:18,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:18,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015918229] [2024-12-02 12:02:18,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:18,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:02:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:24,912 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 12:02:24,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:02:24,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015918229] [2024-12-02 12:02:24,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015918229] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:02:24,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:02:24,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:02:24,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048028735] [2024-12-02 12:02:24,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:02:24,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:02:24,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:02:24,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:02:24,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:02:24,914 INFO L87 Difference]: Start difference. First operand 11067 states and 15503 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 12:02:28,986 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 12:02:30,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:30,367 INFO L93 Difference]: Finished difference Result 32975 states and 46263 transitions. [2024-12-02 12:02:30,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:02:30,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 185 [2024-12-02 12:02:30,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:30,536 INFO L225 Difference]: With dead ends: 32975 [2024-12-02 12:02:30,536 INFO L226 Difference]: Without dead ends: 21939 [2024-12-02 12:02:30,586 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 12:02:30,587 INFO L435 NwaCegarLoop]: 4077 mSDtfsCounter, 3963 mSDsluCounter, 3973 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3963 SdHoareTripleChecker+Valid, 8050 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:30,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3963 Valid, 8050 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 28 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 12:02:30,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21939 states. [2024-12-02 12:02:31,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21939 to 21897. [2024-12-02 12:02:31,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21897 states, 16339 states have (on average 1.3077911744904829) internal successors, (21368), 16525 states have internal predecessors, (21368), 4646 states have call successors, (4646), 938 states have call predecessors, (4646), 909 states have return successors, (4721), 4557 states have call predecessors, (4721), 4643 states have call successors, (4721) [2024-12-02 12:02:31,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21897 states to 21897 states and 30735 transitions. [2024-12-02 12:02:31,519 INFO L78 Accepts]: Start accepts. Automaton has 21897 states and 30735 transitions. Word has length 185 [2024-12-02 12:02:31,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:31,520 INFO L471 AbstractCegarLoop]: Abstraction has 21897 states and 30735 transitions. [2024-12-02 12:02:31,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 12:02:31,521 INFO L276 IsEmpty]: Start isEmpty. Operand 21897 states and 30735 transitions. [2024-12-02 12:02:31,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-12-02 12:02:31,529 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:31,529 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] [2024-12-02 12:02:31,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:02:31,530 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:02:31,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:31,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1245657228, now seen corresponding path program 1 times [2024-12-02 12:02:31,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:31,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794750490] [2024-12-02 12:02:31,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:31,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:02:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:38,037 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 12:02:38,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:02:38,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794750490] [2024-12-02 12:02:38,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794750490] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:02:38,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:02:38,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:02:38,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209880849] [2024-12-02 12:02:38,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:02:38,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:02:38,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:02:38,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:02:38,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:02:38,041 INFO L87 Difference]: Start difference. First operand 21897 states and 30735 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, (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 12:02:42,113 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 12:02:44,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:44,132 INFO L93 Difference]: Finished difference Result 59571 states and 83301 transitions. [2024-12-02 12:02:44,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:02:44,132 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, (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 189 [2024-12-02 12:02:44,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:44,267 INFO L225 Difference]: With dead ends: 59571 [2024-12-02 12:02:44,267 INFO L226 Difference]: Without dead ends: 37705 [2024-12-02 12:02:44,320 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:02:44,321 INFO L435 NwaCegarLoop]: 4061 mSDtfsCounter, 3051 mSDsluCounter, 3926 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3051 SdHoareTripleChecker+Valid, 7987 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:44,321 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3051 Valid, 7987 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 95 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-12-02 12:02:44,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37705 states. [2024-12-02 12:02:45,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37705 to 37661. [2024-12-02 12:02:45,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37661 states, 27957 states have (on average 1.301498730192796) internal successors, (36386), 28289 states have internal predecessors, (36386), 7990 states have call successors, (7990), 1770 states have call predecessors, (7990), 1711 states have return successors, (8139), 7813 states have call predecessors, (8139), 7987 states have call successors, (8139) [2024-12-02 12:02:45,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37661 states to 37661 states and 52515 transitions. [2024-12-02 12:02:45,623 INFO L78 Accepts]: Start accepts. Automaton has 37661 states and 52515 transitions. Word has length 189 [2024-12-02 12:02:45,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:45,624 INFO L471 AbstractCegarLoop]: Abstraction has 37661 states and 52515 transitions. [2024-12-02 12:02:45,624 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, (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 12:02:45,624 INFO L276 IsEmpty]: Start isEmpty. Operand 37661 states and 52515 transitions. [2024-12-02 12:02:45,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-12-02 12:02:45,638 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:45,639 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:02:45,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 12:02:45,639 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:02:45,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:45,640 INFO L85 PathProgramCache]: Analyzing trace with hash -390300475, now seen corresponding path program 1 times [2024-12-02 12:02:45,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:45,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124014023] [2024-12-02 12:02:45,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:45,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:02:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:51,947 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2024-12-02 12:02:51,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:02:51,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124014023] [2024-12-02 12:02:51,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124014023] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:02:51,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:02:51,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:02:51,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844524748] [2024-12-02 12:02:51,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:02:51,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:02:51,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:02:51,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:02:51,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:02:51,950 INFO L87 Difference]: Start difference. First operand 37661 states and 52515 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 12:02:56,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:02:57,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:57,135 INFO L93 Difference]: Finished difference Result 75428 states and 105118 transitions. [2024-12-02 12:02:57,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:02:57,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 229 [2024-12-02 12:02:57,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:57,480 INFO L225 Difference]: With dead ends: 75428 [2024-12-02 12:02:57,480 INFO L226 Difference]: Without dead ends: 56336 [2024-12-02 12:02:57,523 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 12:02:57,524 INFO L435 NwaCegarLoop]: 7968 mSDtfsCounter, 3943 mSDsluCounter, 4013 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3943 SdHoareTripleChecker+Valid, 11981 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:57,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3943 Valid, 11981 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 12:02:57,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56336 states. [2024-12-02 12:02:58,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56336 to 56311. [2024-12-02 12:02:58,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56311 states, 41824 states have (on average 1.3018123565416986) internal successors, (54447), 42313 states have internal predecessors, (54447), 11918 states have call successors, (11918), 2654 states have call predecessors, (11918), 2566 states have return successors, (12143), 11661 states have call predecessors, (12143), 11915 states have call successors, (12143) [2024-12-02 12:02:59,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56311 states to 56311 states and 78508 transitions. [2024-12-02 12:02:59,128 INFO L78 Accepts]: Start accepts. Automaton has 56311 states and 78508 transitions. Word has length 229 [2024-12-02 12:02:59,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:59,129 INFO L471 AbstractCegarLoop]: Abstraction has 56311 states and 78508 transitions. [2024-12-02 12:02:59,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 12:02:59,129 INFO L276 IsEmpty]: Start isEmpty. Operand 56311 states and 78508 transitions. [2024-12-02 12:02:59,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-12-02 12:02:59,134 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:59,135 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:02:59,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 12:02:59,135 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:02:59,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:59,135 INFO L85 PathProgramCache]: Analyzing trace with hash 32401351, now seen corresponding path program 1 times [2024-12-02 12:02:59,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:59,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880209809] [2024-12-02 12:02:59,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:59,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:03:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:06,816 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2024-12-02 12:03:06,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:03:06,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880209809] [2024-12-02 12:03:06,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880209809] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:03:06,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:03:06,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:03:06,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050361680] [2024-12-02 12:03:06,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:03:06,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:03:06,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:03:06,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:03:06,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:03:06,817 INFO L87 Difference]: Start difference. First operand 56311 states and 78508 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 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 12:03:08,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:03:08,190 INFO L93 Difference]: Finished difference Result 57171 states and 79372 transitions. [2024-12-02 12:03:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:03:08,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 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 12:03:08,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:03:08,359 INFO L225 Difference]: With dead ends: 57171 [2024-12-02 12:03:08,359 INFO L226 Difference]: Without dead ends: 57169 [2024-12-02 12:03:08,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:03:08,381 INFO L435 NwaCegarLoop]: 4061 mSDtfsCounter, 3966 mSDsluCounter, 8150 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3967 SdHoareTripleChecker+Valid, 12211 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:03:08,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3967 Valid, 12211 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:03:08,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57169 states. [2024-12-02 12:03:09,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57169 to 57167. [2024-12-02 12:03:09,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57167 states, 42376 states have (on average 1.2995091561261092) internal successors, (55068), 42913 states have internal predecessors, (55068), 12038 states have call successors, (12038), 2838 states have call predecessors, (12038), 2750 states have return successors, (12263), 11781 states have call predecessors, (12263), 12035 states have call successors, (12263) [2024-12-02 12:03:10,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57167 states to 57167 states and 79369 transitions. [2024-12-02 12:03:10,174 INFO L78 Accepts]: Start accepts. Automaton has 57167 states and 79369 transitions. Word has length 229 [2024-12-02 12:03:10,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:03:10,175 INFO L471 AbstractCegarLoop]: Abstraction has 57167 states and 79369 transitions. [2024-12-02 12:03:10,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 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 12:03:10,175 INFO L276 IsEmpty]: Start isEmpty. Operand 57167 states and 79369 transitions. [2024-12-02 12:03:10,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-12-02 12:03:10,179 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:03:10,179 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 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 12:03:10,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 12:03:10,179 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:03:10,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:03:10,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1641850013, now seen corresponding path program 1 times [2024-12-02 12:03:10,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:03:10,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965392237] [2024-12-02 12:03:10,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:10,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:03:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:16,322 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2024-12-02 12:03:16,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:03:16,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965392237] [2024-12-02 12:03:16,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965392237] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:03:16,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:03:16,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:03:16,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514132401] [2024-12-02 12:03:16,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:03:16,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:03:16,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:03:16,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:03:16,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:03:16,323 INFO L87 Difference]: Start difference. First operand 57167 states and 79369 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-02 12:03:20,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:22,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:03:22,474 INFO L93 Difference]: Finished difference Result 111178 states and 153967 transitions. [2024-12-02 12:03:22,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:03:22,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 224 [2024-12-02 12:03:22,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:03:22,624 INFO L225 Difference]: With dead ends: 111178 [2024-12-02 12:03:22,624 INFO L226 Difference]: Without dead ends: 54042 [2024-12-02 12:03:22,725 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 12:03:22,725 INFO L435 NwaCegarLoop]: 5923 mSDtfsCounter, 2500 mSDsluCounter, 3973 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2500 SdHoareTripleChecker+Valid, 9896 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:03:22,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2500 Valid, 9896 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 74 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 12:03:22,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54042 states. [2024-12-02 12:03:24,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54042 to 54003. [2024-12-02 12:03:24,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54003 states, 40073 states have (on average 1.2948868315324533) internal successors, (51890), 40577 states have internal predecessors, (51890), 11139 states have call successors, (11139), 2859 states have call predecessors, (11139), 2788 states have return successors, (11292), 10910 states have call predecessors, (11292), 11136 states have call successors, (11292) [2024-12-02 12:03:24,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54003 states to 54003 states and 74321 transitions. [2024-12-02 12:03:24,387 INFO L78 Accepts]: Start accepts. Automaton has 54003 states and 74321 transitions. Word has length 224 [2024-12-02 12:03:24,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:03:24,388 INFO L471 AbstractCegarLoop]: Abstraction has 54003 states and 74321 transitions. [2024-12-02 12:03:24,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-02 12:03:24,388 INFO L276 IsEmpty]: Start isEmpty. Operand 54003 states and 74321 transitions. [2024-12-02 12:03:24,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-12-02 12:03:24,389 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:03:24,390 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 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] [2024-12-02 12:03:24,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 12:03:24,390 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:03:24,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:03:24,390 INFO L85 PathProgramCache]: Analyzing trace with hash -858173630, now seen corresponding path program 1 times [2024-12-02 12:03:24,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:03:24,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297685081] [2024-12-02 12:03:24,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:24,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:03:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:30,919 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2024-12-02 12:03:30,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:03:30,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297685081] [2024-12-02 12:03:30,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297685081] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:03:30,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:03:30,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:03:30,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312580914] [2024-12-02 12:03:30,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:03:30,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:03:30,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:03:30,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:03:30,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:03:30,921 INFO L87 Difference]: Start difference. First operand 54003 states and 74321 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 12:03:32,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:03:32,150 INFO L93 Difference]: Finished difference Result 54009 states and 74326 transitions. [2024-12-02 12:03:32,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:03:32,151 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 12:03:32,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:03:32,291 INFO L225 Difference]: With dead ends: 54009 [2024-12-02 12:03:32,291 INFO L226 Difference]: Without dead ends: 54007 [2024-12-02 12:03:32,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:03:32,309 INFO L435 NwaCegarLoop]: 4039 mSDtfsCounter, 3976 mSDsluCounter, 8057 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3977 SdHoareTripleChecker+Valid, 12096 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:03:32,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3977 Valid, 12096 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:03:32,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54007 states. [2024-12-02 12:03:33,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54007 to 54007. [2024-12-02 12:03:33,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54007 states, 40076 states have (on average 1.2948647569617726) internal successors, (51893), 40580 states have internal predecessors, (51893), 11139 states have call successors, (11139), 2860 states have call predecessors, (11139), 2789 states have return successors, (11292), 10910 states have call predecessors, (11292), 11136 states have call successors, (11292) [2024-12-02 12:03:33,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54007 states to 54007 states and 74324 transitions. [2024-12-02 12:03:33,858 INFO L78 Accepts]: Start accepts. Automaton has 54007 states and 74324 transitions. Word has length 234 [2024-12-02 12:03:33,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:03:33,859 INFO L471 AbstractCegarLoop]: Abstraction has 54007 states and 74324 transitions. [2024-12-02 12:03:33,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 12:03:33,859 INFO L276 IsEmpty]: Start isEmpty. Operand 54007 states and 74324 transitions. [2024-12-02 12:03:33,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-12-02 12:03:33,860 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:03:33,861 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, 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] [2024-12-02 12:03:33,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 12:03:33,861 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:03:33,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:03:33,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1168634983, now seen corresponding path program 1 times [2024-12-02 12:03:33,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:03:33,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977821395] [2024-12-02 12:03:33,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:33,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:03:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:40,002 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 913 trivial. 0 not checked. [2024-12-02 12:03:40,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:03:40,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977821395] [2024-12-02 12:03:40,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977821395] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:03:40,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:03:40,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:03:40,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030573657] [2024-12-02 12:03:40,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:03:40,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:03:40,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:03:40,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:03:40,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:03:40,003 INFO L87 Difference]: Start difference. First operand 54007 states and 74324 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 12:03:41,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:03:41,356 INFO L93 Difference]: Finished difference Result 54013 states and 74329 transitions. [2024-12-02 12:03:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:03:41,357 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 12:03:41,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:03:41,532 INFO L225 Difference]: With dead ends: 54013 [2024-12-02 12:03:41,532 INFO L226 Difference]: Without dead ends: 54011 [2024-12-02 12:03:41,559 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:03:41,560 INFO L435 NwaCegarLoop]: 4039 mSDtfsCounter, 3975 mSDsluCounter, 8057 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3976 SdHoareTripleChecker+Valid, 12096 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:03:41,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3976 Valid, 12096 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:03:41,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54011 states. [2024-12-02 12:03:43,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54011 to 54011. [2024-12-02 12:03:43,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54011 states, 40079 states have (on average 1.294842685695751) internal successors, (51896), 40583 states have internal predecessors, (51896), 11139 states have call successors, (11139), 2861 states have call predecessors, (11139), 2790 states have return successors, (11292), 10910 states have call predecessors, (11292), 11136 states have call successors, (11292) [2024-12-02 12:03:43,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54011 states to 54011 states and 74327 transitions. [2024-12-02 12:03:43,281 INFO L78 Accepts]: Start accepts. Automaton has 54011 states and 74327 transitions. Word has length 239 [2024-12-02 12:03:43,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:03:43,281 INFO L471 AbstractCegarLoop]: Abstraction has 54011 states and 74327 transitions. [2024-12-02 12:03:43,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 12:03:43,281 INFO L276 IsEmpty]: Start isEmpty. Operand 54011 states and 74327 transitions. [2024-12-02 12:03:43,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-12-02 12:03:43,284 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:03:43,284 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, 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] [2024-12-02 12:03:43,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 12:03:43,284 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:03:43,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:03:43,285 INFO L85 PathProgramCache]: Analyzing trace with hash -327625182, now seen corresponding path program 1 times [2024-12-02 12:03:43,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:03:43,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104177245] [2024-12-02 12:03:43,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:43,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:03:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:49,123 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked. [2024-12-02 12:03:49,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:03:49,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104177245] [2024-12-02 12:03:49,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104177245] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:03:49,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:03:49,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:03:49,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652992889] [2024-12-02 12:03:49,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:03:49,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:03:49,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:03:49,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:03:49,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:03:49,125 INFO L87 Difference]: Start difference. First operand 54011 states and 74327 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 12:03:50,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:03:50,624 INFO L93 Difference]: Finished difference Result 54017 states and 74332 transitions. [2024-12-02 12:03:50,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:03:50,625 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 244 [2024-12-02 12:03:50,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:03:50,802 INFO L225 Difference]: With dead ends: 54017 [2024-12-02 12:03:50,802 INFO L226 Difference]: Without dead ends: 54015 [2024-12-02 12:03:50,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:03:50,829 INFO L435 NwaCegarLoop]: 4039 mSDtfsCounter, 3974 mSDsluCounter, 8057 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3975 SdHoareTripleChecker+Valid, 12096 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:03:50,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3975 Valid, 12096 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:03:50,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54015 states. [2024-12-02 12:03:52,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54015 to 54015. [2024-12-02 12:03:52,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54015 states, 40082 states have (on average 1.294820617733646) internal successors, (51899), 40586 states have internal predecessors, (51899), 11139 states have call successors, (11139), 2862 states have call predecessors, (11139), 2791 states have return successors, (11292), 10910 states have call predecessors, (11292), 11136 states have call successors, (11292) [2024-12-02 12:03:53,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54015 states to 54015 states and 74330 transitions. [2024-12-02 12:03:53,195 INFO L78 Accepts]: Start accepts. Automaton has 54015 states and 74330 transitions. Word has length 244 [2024-12-02 12:03:53,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:03:53,195 INFO L471 AbstractCegarLoop]: Abstraction has 54015 states and 74330 transitions. [2024-12-02 12:03:53,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 12:03:53,196 INFO L276 IsEmpty]: Start isEmpty. Operand 54015 states and 74330 transitions. [2024-12-02 12:03:53,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-12-02 12:03:53,198 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:03:53,198 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, 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 12:03:53,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 12:03:53,198 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:03:53,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:03:53,199 INFO L85 PathProgramCache]: Analyzing trace with hash 960751879, now seen corresponding path program 1 times [2024-12-02 12:03:53,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:03:53,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456858859] [2024-12-02 12:03:53,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:53,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:03:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:59,618 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 933 trivial. 0 not checked. [2024-12-02 12:03:59,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:03:59,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456858859] [2024-12-02 12:03:59,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456858859] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:03:59,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:03:59,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:03:59,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866531344] [2024-12-02 12:03:59,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:03:59,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:03:59,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:03:59,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:03:59,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:03:59,620 INFO L87 Difference]: Start difference. First operand 54015 states and 74330 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 12:04:01,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:04:01,184 INFO L93 Difference]: Finished difference Result 54021 states and 74335 transitions. [2024-12-02 12:04:01,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:04:01,185 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 249 [2024-12-02 12:04:01,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:04:01,336 INFO L225 Difference]: With dead ends: 54021 [2024-12-02 12:04:01,336 INFO L226 Difference]: Without dead ends: 54019 [2024-12-02 12:04:01,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:04:01,361 INFO L435 NwaCegarLoop]: 4039 mSDtfsCounter, 3973 mSDsluCounter, 8057 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3974 SdHoareTripleChecker+Valid, 12096 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:04:01,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3974 Valid, 12096 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:04:01,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54019 states. [2024-12-02 12:04:03,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54019 to 54019. [2024-12-02 12:04:03,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54019 states, 40085 states have (on average 1.2947985530747161) internal successors, (51902), 40589 states have internal predecessors, (51902), 11139 states have call successors, (11139), 2863 states have call predecessors, (11139), 2792 states have return successors, (11292), 10910 states have call predecessors, (11292), 11136 states have call successors, (11292) [2024-12-02 12:04:03,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54019 states to 54019 states and 74333 transitions. [2024-12-02 12:04:03,352 INFO L78 Accepts]: Start accepts. Automaton has 54019 states and 74333 transitions. Word has length 249 [2024-12-02 12:04:03,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:04:03,352 INFO L471 AbstractCegarLoop]: Abstraction has 54019 states and 74333 transitions. [2024-12-02 12:04:03,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 12:04:03,353 INFO L276 IsEmpty]: Start isEmpty. Operand 54019 states and 74333 transitions. [2024-12-02 12:04:03,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-12-02 12:04:03,354 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:04:03,355 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 6, 6, 6, 6, 5, 5, 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] [2024-12-02 12:04:03,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 12:04:03,355 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:04:03,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:03,355 INFO L85 PathProgramCache]: Analyzing trace with hash 758425893, now seen corresponding path program 1 times [2024-12-02 12:04:03,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:04:03,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386186188] [2024-12-02 12:04:03,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:03,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:04:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:04:10,420 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 984 trivial. 0 not checked. [2024-12-02 12:04:10,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:04:10,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386186188] [2024-12-02 12:04:10,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386186188] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:04:10,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:04:10,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:04:10,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651059311] [2024-12-02 12:04:10,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:04:10,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:04:10,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:04:10,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:04:10,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:04:10,422 INFO L87 Difference]: Start difference. First operand 54019 states and 74333 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 12:04:12,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:04:12,455 INFO L93 Difference]: Finished difference Result 54025 states and 74338 transitions. [2024-12-02 12:04:12,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:04:12,456 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 272 [2024-12-02 12:04:12,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:04:12,626 INFO L225 Difference]: With dead ends: 54025 [2024-12-02 12:04:12,627 INFO L226 Difference]: Without dead ends: 54023 [2024-12-02 12:04:12,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:04:12,657 INFO L435 NwaCegarLoop]: 4039 mSDtfsCounter, 3961 mSDsluCounter, 8057 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3962 SdHoareTripleChecker+Valid, 12096 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:04:12,657 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3962 Valid, 12096 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:04:12,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54023 states. [2024-12-02 12:04:14,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54023 to 54023. [2024-12-02 12:04:14,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54023 states, 40088 states have (on average 1.2947764917182198) internal successors, (51905), 40592 states have internal predecessors, (51905), 11139 states have call successors, (11139), 2864 states have call predecessors, (11139), 2793 states have return successors, (11292), 10910 states have call predecessors, (11292), 11136 states have call successors, (11292) [2024-12-02 12:04:14,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54023 states to 54023 states and 74336 transitions. [2024-12-02 12:04:14,673 INFO L78 Accepts]: Start accepts. Automaton has 54023 states and 74336 transitions. Word has length 272 [2024-12-02 12:04:14,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:04:14,673 INFO L471 AbstractCegarLoop]: Abstraction has 54023 states and 74336 transitions. [2024-12-02 12:04:14,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 12:04:14,673 INFO L276 IsEmpty]: Start isEmpty. Operand 54023 states and 74336 transitions. [2024-12-02 12:04:14,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-12-02 12:04:14,675 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:04:14,675 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 7, 6, 6, 6, 6, 6, 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] [2024-12-02 12:04:14,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 12:04:14,675 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:04:14,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:14,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1229762404, now seen corresponding path program 1 times [2024-12-02 12:04:14,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:04:14,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807977092] [2024-12-02 12:04:14,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:14,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:04:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:04:20,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1004 trivial. 0 not checked. [2024-12-02 12:04:20,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:04:20,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807977092] [2024-12-02 12:04:20,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807977092] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:04:20,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:04:20,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:04:20,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563842368] [2024-12-02 12:04:20,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:04:20,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:04:20,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:04:20,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:04:20,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:04:20,822 INFO L87 Difference]: Start difference. First operand 54023 states and 74336 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 12:04:22,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:04:22,705 INFO L93 Difference]: Finished difference Result 54029 states and 74341 transitions. [2024-12-02 12:04:22,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:04:22,706 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 12:04:22,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:04:22,858 INFO L225 Difference]: With dead ends: 54029 [2024-12-02 12:04:22,859 INFO L226 Difference]: Without dead ends: 54027 [2024-12-02 12:04:22,882 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:04:22,883 INFO L435 NwaCegarLoop]: 4039 mSDtfsCounter, 3960 mSDsluCounter, 8057 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3961 SdHoareTripleChecker+Valid, 12096 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:04:22,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3961 Valid, 12096 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:04:22,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54027 states. [2024-12-02 12:04:24,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54027 to 54027. [2024-12-02 12:04:24,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54027 states, 40091 states have (on average 1.2947544336634158) internal successors, (51908), 40595 states have internal predecessors, (51908), 11139 states have call successors, (11139), 2865 states have call predecessors, (11139), 2794 states have return successors, (11292), 10910 states have call predecessors, (11292), 11136 states have call successors, (11292) [2024-12-02 12:04:24,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54027 states to 54027 states and 74339 transitions. [2024-12-02 12:04:24,925 INFO L78 Accepts]: Start accepts. Automaton has 54027 states and 74339 transitions. Word has length 277 [2024-12-02 12:04:24,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:04:24,926 INFO L471 AbstractCegarLoop]: Abstraction has 54027 states and 74339 transitions. [2024-12-02 12:04:24,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 12:04:24,926 INFO L276 IsEmpty]: Start isEmpty. Operand 54027 states and 74339 transitions. [2024-12-02 12:04:24,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-12-02 12:04:24,928 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:04:24,928 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, 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 12:04:24,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 12:04:24,929 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:04:24,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:24,929 INFO L85 PathProgramCache]: Analyzing trace with hash -2005554206, now seen corresponding path program 1 times [2024-12-02 12:04:24,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:04:24,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952723817] [2024-12-02 12:04:24,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:24,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:04:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:04:31,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1007 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2024-12-02 12:04:31,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:04:31,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952723817] [2024-12-02 12:04:31,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952723817] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:04:31,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:04:31,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:04:31,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593315664] [2024-12-02 12:04:31,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:04:31,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:04:31,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:04:31,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:04:31,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:04:31,825 INFO L87 Difference]: Start difference. First operand 54027 states and 74339 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 12:04:33,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:04:33,868 INFO L93 Difference]: Finished difference Result 54033 states and 74344 transitions. [2024-12-02 12:04:33,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:04:33,868 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 264 [2024-12-02 12:04:33,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:04:34,020 INFO L225 Difference]: With dead ends: 54033 [2024-12-02 12:04:34,021 INFO L226 Difference]: Without dead ends: 54031 [2024-12-02 12:04:34,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:04:34,042 INFO L435 NwaCegarLoop]: 4039 mSDtfsCounter, 3970 mSDsluCounter, 8057 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3971 SdHoareTripleChecker+Valid, 12096 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:04:34,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3971 Valid, 12096 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:04:34,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54031 states. [2024-12-02 12:04:36,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54031 to 54031. [2024-12-02 12:04:36,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54031 states, 40094 states have (on average 1.2947323789095626) internal successors, (51911), 40598 states have internal predecessors, (51911), 11139 states have call successors, (11139), 2866 states have call predecessors, (11139), 2795 states have return successors, (11292), 10910 states have call predecessors, (11292), 11136 states have call successors, (11292) [2024-12-02 12:04:37,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54031 states to 54031 states and 74342 transitions. [2024-12-02 12:04:37,066 INFO L78 Accepts]: Start accepts. Automaton has 54031 states and 74342 transitions. Word has length 264 [2024-12-02 12:04:37,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:04:37,066 INFO L471 AbstractCegarLoop]: Abstraction has 54031 states and 74342 transitions. [2024-12-02 12:04:37,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 12:04:37,067 INFO L276 IsEmpty]: Start isEmpty. Operand 54031 states and 74342 transitions. [2024-12-02 12:04:37,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-12-02 12:04:37,071 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:04:37,071 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 9, 8, 8, 4, 4, 4, 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] [2024-12-02 12:04:37,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 12:04:37,071 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:04:37,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:37,072 INFO L85 PathProgramCache]: Analyzing trace with hash 2065369671, now seen corresponding path program 1 times [2024-12-02 12:04:37,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:04:37,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496688630] [2024-12-02 12:04:37,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:37,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:04:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:04:44,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1021 trivial. 0 not checked. [2024-12-02 12:04:44,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:04:44,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496688630] [2024-12-02 12:04:44,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496688630] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:04:44,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:04:44,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:04:44,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980238766] [2024-12-02 12:04:44,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:04:44,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:04:44,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:04:44,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:04:44,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:04:44,600 INFO L87 Difference]: Start difference. First operand 54031 states and 74342 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 12:04:46,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:04:46,701 INFO L93 Difference]: Finished difference Result 54037 states and 74347 transitions. [2024-12-02 12:04:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:04:46,702 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 12:04:46,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:04:46,846 INFO L225 Difference]: With dead ends: 54037 [2024-12-02 12:04:46,846 INFO L226 Difference]: Without dead ends: 54035 [2024-12-02 12:04:46,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:04:46,867 INFO L435 NwaCegarLoop]: 4039 mSDtfsCounter, 3969 mSDsluCounter, 8057 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3970 SdHoareTripleChecker+Valid, 12096 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:04:46,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3970 Valid, 12096 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:04:46,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54035 states. [2024-12-02 12:04:49,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54035 to 54035. [2024-12-02 12:04:49,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54035 states, 40097 states have (on average 1.2947103274559193) internal successors, (51914), 40601 states have internal predecessors, (51914), 11139 states have call successors, (11139), 2867 states have call predecessors, (11139), 2796 states have return successors, (11292), 10910 states have call predecessors, (11292), 11136 states have call successors, (11292) [2024-12-02 12:04:50,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54035 states to 54035 states and 74345 transitions. [2024-12-02 12:04:50,033 INFO L78 Accepts]: Start accepts. Automaton has 54035 states and 74345 transitions. Word has length 269 [2024-12-02 12:04:50,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:04:50,034 INFO L471 AbstractCegarLoop]: Abstraction has 54035 states and 74345 transitions. [2024-12-02 12:04:50,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 12:04:50,034 INFO L276 IsEmpty]: Start isEmpty. Operand 54035 states and 74345 transitions. [2024-12-02 12:04:50,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-12-02 12:04:50,036 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:04:50,037 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 10, 9, 9, 4, 4, 4, 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] [2024-12-02 12:04:50,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 12:04:50,037 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:04:50,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:50,037 INFO L85 PathProgramCache]: Analyzing trace with hash 2073492162, now seen corresponding path program 1 times [2024-12-02 12:04:50,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:04:50,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650553681] [2024-12-02 12:04:50,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:50,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:04:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:04:56,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1053 trivial. 0 not checked. [2024-12-02 12:04:56,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:04:56,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650553681] [2024-12-02 12:04:56,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650553681] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:04:56,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:04:56,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:04:56,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791642091] [2024-12-02 12:04:56,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:04:56,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:04:56,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:04:56,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:04:56,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:04:56,932 INFO L87 Difference]: Start difference. First operand 54035 states and 74345 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 12:04:59,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:04:59,267 INFO L93 Difference]: Finished difference Result 54041 states and 74350 transitions. [2024-12-02 12:04:59,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:04:59,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 12:04:59,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:04:59,457 INFO L225 Difference]: With dead ends: 54041 [2024-12-02 12:04:59,457 INFO L226 Difference]: Without dead ends: 54039 [2024-12-02 12:04:59,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:04:59,485 INFO L435 NwaCegarLoop]: 4039 mSDtfsCounter, 3968 mSDsluCounter, 8057 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3969 SdHoareTripleChecker+Valid, 12096 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:04:59,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3969 Valid, 12096 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:04:59,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54039 states. [2024-12-02 12:05:01,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54039 to 54039. [2024-12-02 12:05:01,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54039 states, 40100 states have (on average 1.2946882793017456) internal successors, (51917), 40604 states have internal predecessors, (51917), 11139 states have call successors, (11139), 2868 states have call predecessors, (11139), 2797 states have return successors, (11292), 10910 states have call predecessors, (11292), 11136 states have call successors, (11292) [2024-12-02 12:05:02,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54039 states to 54039 states and 74348 transitions. [2024-12-02 12:05:02,056 INFO L78 Accepts]: Start accepts. Automaton has 54039 states and 74348 transitions. Word has length 274 [2024-12-02 12:05:02,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:02,056 INFO L471 AbstractCegarLoop]: Abstraction has 54039 states and 74348 transitions. [2024-12-02 12:05:02,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 12:05:02,057 INFO L276 IsEmpty]: Start isEmpty. Operand 54039 states and 74348 transitions. [2024-12-02 12:05:02,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-12-02 12:05:02,059 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:02,060 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 11, 10, 10, 6, 6, 6, 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] [2024-12-02 12:05:02,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 12:05:02,060 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:05:02,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:02,060 INFO L85 PathProgramCache]: Analyzing trace with hash -14852060, now seen corresponding path program 1 times [2024-12-02 12:05:02,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:05:02,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390321438] [2024-12-02 12:05:02,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:02,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:05:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:08,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1124 trivial. 0 not checked. [2024-12-02 12:05:08,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:05:08,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390321438] [2024-12-02 12:05:08,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390321438] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:05:08,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:05:08,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:05:08,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371760620] [2024-12-02 12:05:08,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:08,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:05:08,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:05:08,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:05:08,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:05:08,082 INFO L87 Difference]: Start difference. First operand 54039 states and 74348 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-12-02 12:05:10,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:10,434 INFO L93 Difference]: Finished difference Result 54045 states and 74353 transitions. [2024-12-02 12:05:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:05:10,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 297 [2024-12-02 12:05:10,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:10,610 INFO L225 Difference]: With dead ends: 54045 [2024-12-02 12:05:10,610 INFO L226 Difference]: Without dead ends: 54043 [2024-12-02 12:05:10,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:05:10,632 INFO L435 NwaCegarLoop]: 4039 mSDtfsCounter, 3956 mSDsluCounter, 8057 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3957 SdHoareTripleChecker+Valid, 12096 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:10,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3957 Valid, 12096 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:05:10,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54043 states. [2024-12-02 12:05:13,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54043 to 54043. [2024-12-02 12:05:13,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54043 states, 40103 states have (on average 1.2946662344463007) internal successors, (51920), 40607 states have internal predecessors, (51920), 11139 states have call successors, (11139), 2869 states have call predecessors, (11139), 2798 states have return successors, (11292), 10910 states have call predecessors, (11292), 11136 states have call successors, (11292) [2024-12-02 12:05:13,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54043 states to 54043 states and 74351 transitions. [2024-12-02 12:05:13,716 INFO L78 Accepts]: Start accepts. Automaton has 54043 states and 74351 transitions. Word has length 297 [2024-12-02 12:05:13,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:13,717 INFO L471 AbstractCegarLoop]: Abstraction has 54043 states and 74351 transitions. [2024-12-02 12:05:13,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-12-02 12:05:13,717 INFO L276 IsEmpty]: Start isEmpty. Operand 54043 states and 74351 transitions. [2024-12-02 12:05:13,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-12-02 12:05:13,722 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:13,722 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, 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] [2024-12-02 12:05:13,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 12:05:13,722 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:05:13,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:13,722 INFO L85 PathProgramCache]: Analyzing trace with hash -763567710, now seen corresponding path program 1 times [2024-12-02 12:05:13,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:05:13,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183762306] [2024-12-02 12:05:13,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:13,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:05:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:20,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1129 trivial. 0 not checked. [2024-12-02 12:05:20,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:05:20,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183762306] [2024-12-02 12:05:20,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183762306] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:05:20,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:05:20,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:05:20,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122097502] [2024-12-02 12:05:20,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:20,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:05:20,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:05:20,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:05:20,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:05:20,087 INFO L87 Difference]: Start difference. First operand 54043 states and 74351 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-12-02 12:05:22,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:22,559 INFO L93 Difference]: Finished difference Result 54049 states and 74356 transitions. [2024-12-02 12:05:22,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:05:22,559 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 284 [2024-12-02 12:05:22,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:22,726 INFO L225 Difference]: With dead ends: 54049 [2024-12-02 12:05:22,726 INFO L226 Difference]: Without dead ends: 54047 [2024-12-02 12:05:22,746 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:05:22,747 INFO L435 NwaCegarLoop]: 4039 mSDtfsCounter, 3966 mSDsluCounter, 8057 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3967 SdHoareTripleChecker+Valid, 12096 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:22,747 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3967 Valid, 12096 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:05:22,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54047 states. [2024-12-02 12:05:25,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54047 to 54047. [2024-12-02 12:05:25,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54047 states, 40106 states have (on average 1.2946441928888446) internal successors, (51923), 40610 states have internal predecessors, (51923), 11139 states have call successors, (11139), 2870 states have call predecessors, (11139), 2799 states have return successors, (11292), 10910 states have call predecessors, (11292), 11136 states have call successors, (11292) [2024-12-02 12:05:25,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54047 states to 54047 states and 74354 transitions. [2024-12-02 12:05:25,478 INFO L78 Accepts]: Start accepts. Automaton has 54047 states and 74354 transitions. Word has length 284 [2024-12-02 12:05:25,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:25,478 INFO L471 AbstractCegarLoop]: Abstraction has 54047 states and 74354 transitions. [2024-12-02 12:05:25,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-12-02 12:05:25,478 INFO L276 IsEmpty]: Start isEmpty. Operand 54047 states and 74354 transitions. [2024-12-02 12:05:25,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-12-02 12:05:25,482 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:25,482 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 13, 12, 12, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:05:25,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 12:05:25,482 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:05:25,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:25,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1909345412, now seen corresponding path program 1 times [2024-12-02 12:05:25,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:05:25,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717016812] [2024-12-02 12:05:25,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:25,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:05:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:31,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1208 trivial. 0 not checked. [2024-12-02 12:05:31,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:05:31,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717016812] [2024-12-02 12:05:31,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717016812] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:05:31,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:05:31,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:05:31,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299960798] [2024-12-02 12:05:31,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:31,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:05:31,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:05:31,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:05:31,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:05:31,571 INFO L87 Difference]: Start difference. First operand 54047 states and 74354 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-12-02 12:05:34,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:34,246 INFO L93 Difference]: Finished difference Result 54053 states and 74359 transitions. [2024-12-02 12:05:34,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:05:34,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 307 [2024-12-02 12:05:34,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:34,399 INFO L225 Difference]: With dead ends: 54053 [2024-12-02 12:05:34,399 INFO L226 Difference]: Without dead ends: 54051 [2024-12-02 12:05:34,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:05:34,412 INFO L435 NwaCegarLoop]: 4039 mSDtfsCounter, 3954 mSDsluCounter, 8057 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3955 SdHoareTripleChecker+Valid, 12096 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:34,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3955 Valid, 12096 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:05:34,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54051 states. [2024-12-02 12:05:37,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54051 to 54051. [2024-12-02 12:05:37,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54051 states, 40109 states have (on average 1.294622154628637) internal successors, (51926), 40613 states have internal predecessors, (51926), 11139 states have call successors, (11139), 2871 states have call predecessors, (11139), 2800 states have return successors, (11292), 10910 states have call predecessors, (11292), 11136 states have call successors, (11292) [2024-12-02 12:05:37,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54051 states to 54051 states and 74357 transitions. [2024-12-02 12:05:37,213 INFO L78 Accepts]: Start accepts. Automaton has 54051 states and 74357 transitions. Word has length 307 [2024-12-02 12:05:37,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:37,213 INFO L471 AbstractCegarLoop]: Abstraction has 54051 states and 74357 transitions. [2024-12-02 12:05:37,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-12-02 12:05:37,213 INFO L276 IsEmpty]: Start isEmpty. Operand 54051 states and 74357 transitions. [2024-12-02 12:05:37,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-12-02 12:05:37,217 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:37,217 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 14, 13, 13, 13, 13, 13, 13, 13, 13, 6, 6, 6, 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] [2024-12-02 12:05:37,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 12:05:37,217 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:05:37,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:37,218 INFO L85 PathProgramCache]: Analyzing trace with hash -987171419, now seen corresponding path program 1 times [2024-12-02 12:05:37,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:05:37,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434527918] [2024-12-02 12:05:37,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:37,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:05:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:43,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1282 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 1256 trivial. 0 not checked. [2024-12-02 12:05:43,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:05:43,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434527918] [2024-12-02 12:05:43,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434527918] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:05:43,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:05:43,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:05:43,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367235911] [2024-12-02 12:05:43,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:43,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:05:43,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:05:43,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:05:43,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:05:43,469 INFO L87 Difference]: Start difference. First operand 54051 states and 74357 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-12-02 12:05:46,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:46,256 INFO L93 Difference]: Finished difference Result 55233 states and 75827 transitions. [2024-12-02 12:05:46,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:05:46,256 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 312 [2024-12-02 12:05:46,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:46,454 INFO L225 Difference]: With dead ends: 55233 [2024-12-02 12:05:46,454 INFO L226 Difference]: Without dead ends: 55229 [2024-12-02 12:05:46,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:05:46,484 INFO L435 NwaCegarLoop]: 4037 mSDtfsCounter, 3879 mSDsluCounter, 8205 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3880 SdHoareTripleChecker+Valid, 12242 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:46,484 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3880 Valid, 12242 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:05:46,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55229 states. [2024-12-02 12:05:49,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55229 to 55227. [2024-12-02 12:05:49,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55227 states, 41039 states have (on average 1.2957187065961646) internal successors, (53175), 41542 states have internal predecessors, (53175), 11247 states have call successors, (11247), 3010 states have call predecessors, (11247), 2938 states have return successors, (11400), 11018 states have call predecessors, (11400), 11244 states have call successors, (11400) [2024-12-02 12:05:49,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55227 states to 55227 states and 75822 transitions. [2024-12-02 12:05:49,423 INFO L78 Accepts]: Start accepts. Automaton has 55227 states and 75822 transitions. Word has length 312 [2024-12-02 12:05:49,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:49,424 INFO L471 AbstractCegarLoop]: Abstraction has 55227 states and 75822 transitions. [2024-12-02 12:05:49,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-12-02 12:05:49,424 INFO L276 IsEmpty]: Start isEmpty. Operand 55227 states and 75822 transitions. [2024-12-02 12:05:49,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-12-02 12:05:49,427 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:49,427 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 15, 14, 14, 13, 13, 13, 13, 13, 13, 6, 6, 6, 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] [2024-12-02 12:05:49,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 12:05:49,428 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:05:49,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:49,428 INFO L85 PathProgramCache]: Analyzing trace with hash 360509668, now seen corresponding path program 1 times [2024-12-02 12:05:49,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:05:49,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305781139] [2024-12-02 12:05:49,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:49,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:05:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:55,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2024-12-02 12:05:55,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:05:55,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305781139] [2024-12-02 12:05:55,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305781139] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:05:55,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:05:55,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:05:55,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55183194] [2024-12-02 12:05:55,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:55,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:05:55,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:05:55,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:05:55,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:05:55,718 INFO L87 Difference]: Start difference. First operand 55227 states and 75822 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 12:05:58,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:58,508 INFO L93 Difference]: Finished difference Result 55227 states and 75822 transitions. [2024-12-02 12:05:58,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:05:58,508 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 317 [2024-12-02 12:05:58,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:58,677 INFO L225 Difference]: With dead ends: 55227 [2024-12-02 12:05:58,677 INFO L226 Difference]: Without dead ends: 54896 [2024-12-02 12:05:58,697 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:05:58,697 INFO L435 NwaCegarLoop]: 4037 mSDtfsCounter, 3949 mSDsluCounter, 8055 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3949 SdHoareTripleChecker+Valid, 12092 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:58,698 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3949 Valid, 12092 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:05:58,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54896 states. [2024-12-02 12:06:01,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54896 to 54896. [2024-12-02 12:06:01,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54896 states, 40831 states have (on average 1.2956577110528764) internal successors, (52903), 41303 states have internal predecessors, (52903), 11151 states have call successors, (11151), 2985 states have call predecessors, (11151), 2912 states have return successors, (11303), 10951 states have call predecessors, (11303), 11147 states have call successors, (11303) [2024-12-02 12:06:01,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54896 states to 54896 states and 75357 transitions. [2024-12-02 12:06:01,727 INFO L78 Accepts]: Start accepts. Automaton has 54896 states and 75357 transitions. Word has length 317 [2024-12-02 12:06:01,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:06:01,727 INFO L471 AbstractCegarLoop]: Abstraction has 54896 states and 75357 transitions. [2024-12-02 12:06:01,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 12:06:01,728 INFO L276 IsEmpty]: Start isEmpty. Operand 54896 states and 75357 transitions. [2024-12-02 12:06:01,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-12-02 12:06:01,731 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:06:01,731 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:06:01,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 12:06:01,731 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:06:01,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:06:01,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1040574673, now seen corresponding path program 1 times [2024-12-02 12:06:01,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:06:01,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483496321] [2024-12-02 12:06:01,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:06:01,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:06:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:06:07,315 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2024-12-02 12:06:07,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:06:07,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483496321] [2024-12-02 12:06:07,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483496321] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:06:07,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:06:07,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:06:07,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59300368] [2024-12-02 12:06:07,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:06:07,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:06:07,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:06:07,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:06:07,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:06:07,317 INFO L87 Difference]: Start difference. First operand 54896 states and 75357 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 12:06:11,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:06:15,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:06:15,917 INFO L93 Difference]: Finished difference Result 125747 states and 172406 transitions. [2024-12-02 12:06:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:06:15,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 294 [2024-12-02 12:06:15,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:06:16,230 INFO L225 Difference]: With dead ends: 125747 [2024-12-02 12:06:16,231 INFO L226 Difference]: Without dead ends: 70928 [2024-12-02 12:06:16,391 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 12:06:16,394 INFO L435 NwaCegarLoop]: 6407 mSDtfsCounter, 2442 mSDsluCounter, 3917 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2442 SdHoareTripleChecker+Valid, 10324 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:06:16,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2442 Valid, 10324 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 12:06:16,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70928 states. [2024-12-02 12:06:20,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70928 to 70916. [2024-12-02 12:06:20,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70916 states, 52771 states have (on average 1.2935324325860795) internal successors, (68261), 53367 states have internal predecessors, (68261), 14239 states have call successors, (14239), 3989 states have call predecessors, (14239), 3904 states have return successors, (14395), 14003 states have call predecessors, (14395), 14235 states have call successors, (14395) [2024-12-02 12:06:20,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70916 states to 70916 states and 96895 transitions. [2024-12-02 12:06:20,543 INFO L78 Accepts]: Start accepts. Automaton has 70916 states and 96895 transitions. Word has length 294 [2024-12-02 12:06:20,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:06:20,543 INFO L471 AbstractCegarLoop]: Abstraction has 70916 states and 96895 transitions. [2024-12-02 12:06:20,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 12:06:20,544 INFO L276 IsEmpty]: Start isEmpty. Operand 70916 states and 96895 transitions. [2024-12-02 12:06:20,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2024-12-02 12:06:20,547 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:06:20,548 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 13, 13, 13, 13, 13, 13, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 12:06:20,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 12:06:20,548 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:06:20,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:06:20,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1741540061, now seen corresponding path program 1 times [2024-12-02 12:06:20,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:06:20,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422036085] [2024-12-02 12:06:20,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:06:20,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:06:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:06:26,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2024-12-02 12:06:26,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:06:26,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422036085] [2024-12-02 12:06:26,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422036085] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:06:26,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:06:26,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:06:26,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900303474] [2024-12-02 12:06:26,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:06:26,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:06:26,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:06:26,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:06:26,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:06:26,710 INFO L87 Difference]: Start difference. First operand 70916 states and 96895 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 12:06:30,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:06:36,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:06:36,479 INFO L93 Difference]: Finished difference Result 157676 states and 215290 transitions. [2024-12-02 12:06:36,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:06:36,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 368 [2024-12-02 12:06:36,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:06:36,863 INFO L225 Difference]: With dead ends: 157676 [2024-12-02 12:06:36,863 INFO L226 Difference]: Without dead ends: 86734 [2024-12-02 12:06:37,041 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 12:06:37,041 INFO L435 NwaCegarLoop]: 6422 mSDtfsCounter, 2444 mSDsluCounter, 3924 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2444 SdHoareTripleChecker+Valid, 10346 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:06:37,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2444 Valid, 10346 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 12:06:37,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86734 states. [2024-12-02 12:06:42,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86734 to 86636. [2024-12-02 12:06:42,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86636 states, 64494 states have (on average 1.2927093993239682) internal successors, (83372), 65214 states have internal predecessors, (83372), 17271 states have call successors, (17271), 4966 states have call predecessors, (17271), 4869 states have return successors, (17431), 16999 states have call predecessors, (17431), 17267 states have call successors, (17431) [2024-12-02 12:06:42,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86636 states to 86636 states and 118074 transitions. [2024-12-02 12:06:43,052 INFO L78 Accepts]: Start accepts. Automaton has 86636 states and 118074 transitions. Word has length 368 [2024-12-02 12:06:43,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:06:43,053 INFO L471 AbstractCegarLoop]: Abstraction has 86636 states and 118074 transitions. [2024-12-02 12:06:43,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 12:06:43,053 INFO L276 IsEmpty]: Start isEmpty. Operand 86636 states and 118074 transitions. [2024-12-02 12:06:43,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2024-12-02 12:06:43,058 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:06:43,059 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 13, 13, 13, 13, 13, 13, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 12:06:43,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 12:06:43,059 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:06:43,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:06:43,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1714393573, now seen corresponding path program 1 times [2024-12-02 12:06:43,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:06:43,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187730676] [2024-12-02 12:06:43,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:06:43,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:06:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:06:49,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2024-12-02 12:06:49,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:06:49,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187730676] [2024-12-02 12:06:49,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187730676] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:06:49,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:06:49,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:06:49,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218193331] [2024-12-02 12:06:49,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:06:49,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:06:49,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:06:49,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:06:49,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:06:49,121 INFO L87 Difference]: Start difference. First operand 86636 states and 118074 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 12:06:53,187 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 12:07:00,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:07:00,736 INFO L93 Difference]: Finished difference Result 196499 states and 267760 transitions. [2024-12-02 12:07:00,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:07:00,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 368 [2024-12-02 12:07:00,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:07:01,117 INFO L225 Difference]: With dead ends: 196499 [2024-12-02 12:07:01,118 INFO L226 Difference]: Without dead ends: 109940 [2024-12-02 12:07:01,289 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 12:07:01,289 INFO L435 NwaCegarLoop]: 6386 mSDtfsCounter, 3278 mSDsluCounter, 3302 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3278 SdHoareTripleChecker+Valid, 9688 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:07:01,290 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3278 Valid, 9688 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 12:07:01,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109940 states. [2024-12-02 12:07:08,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109940 to 109928. [2024-12-02 12:07:08,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109928 states, 81912 states have (on average 1.2919962887000684) internal successors, (105830), 82788 states have internal predecessors, (105830), 21769 states have call successors, (21769), 6354 states have call predecessors, (21769), 6245 states have return successors, (21949), 21445 states have call predecessors, (21949), 21765 states have call successors, (21949) [2024-12-02 12:07:09,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109928 states to 109928 states and 149548 transitions. [2024-12-02 12:07:09,222 INFO L78 Accepts]: Start accepts. Automaton has 109928 states and 149548 transitions. Word has length 368 [2024-12-02 12:07:09,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:07:09,222 INFO L471 AbstractCegarLoop]: Abstraction has 109928 states and 149548 transitions. [2024-12-02 12:07:09,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 12:07:09,223 INFO L276 IsEmpty]: Start isEmpty. Operand 109928 states and 149548 transitions. [2024-12-02 12:07:09,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2024-12-02 12:07:09,227 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:07:09,228 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 13, 13, 13, 13, 13, 13, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 12:07:09,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 12:07:09,228 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:07:09,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:07:09,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1714649144, now seen corresponding path program 1 times [2024-12-02 12:07:09,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:07:09,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200671241] [2024-12-02 12:07:09,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:07:09,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:07:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:07:15,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1327 trivial. 0 not checked. [2024-12-02 12:07:15,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:07:15,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200671241] [2024-12-02 12:07:15,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200671241] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:07:15,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:07:15,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:07:15,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045986989] [2024-12-02 12:07:15,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:07:15,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:07:15,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:07:15,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:07:15,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:07:15,754 INFO L87 Difference]: Start difference. First operand 109928 states and 149548 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-12-02 12:07:19,812 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 12:07:27,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:07:27,780 INFO L93 Difference]: Finished difference Result 235703 states and 320620 transitions. [2024-12-02 12:07:27,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:07:27,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 426 [2024-12-02 12:07:27,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:07:28,209 INFO L225 Difference]: With dead ends: 235703 [2024-12-02 12:07:28,209 INFO L226 Difference]: Without dead ends: 125852 [2024-12-02 12:07:28,484 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 12:07:28,485 INFO L435 NwaCegarLoop]: 5728 mSDtfsCounter, 2446 mSDsluCounter, 3923 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2446 SdHoareTripleChecker+Valid, 9651 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:07:28,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2446 Valid, 9651 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 12:07:28,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125852 states. [2024-12-02 12:07:36,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125852 to 125840. [2024-12-02 12:07:36,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125840 states, 93780 states have (on average 1.29149072296865) internal successors, (121116), 94780 states have internal predecessors, (121116), 24833 states have call successors, (24833), 7346 states have call predecessors, (24833), 7225 states have return successors, (25017), 24473 states have call predecessors, (25017), 24829 states have call successors, (25017) [2024-12-02 12:07:36,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125840 states to 125840 states and 170966 transitions. [2024-12-02 12:07:36,973 INFO L78 Accepts]: Start accepts. Automaton has 125840 states and 170966 transitions. Word has length 426 [2024-12-02 12:07:36,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:07:36,974 INFO L471 AbstractCegarLoop]: Abstraction has 125840 states and 170966 transitions. [2024-12-02 12:07:36,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-12-02 12:07:36,974 INFO L276 IsEmpty]: Start isEmpty. Operand 125840 states and 170966 transitions. [2024-12-02 12:07:36,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2024-12-02 12:07:36,978 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:07:36,979 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 13, 13, 13, 13, 13, 13, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 12:07:36,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 12:07:36,979 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:07:36,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:07:36,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1741284490, now seen corresponding path program 1 times [2024-12-02 12:07:36,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:07:36,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871571869] [2024-12-02 12:07:36,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:07:36,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:07:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:07:43,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1327 trivial. 0 not checked. [2024-12-02 12:07:43,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:07:43,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871571869] [2024-12-02 12:07:43,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871571869] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:07:43,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:07:43,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:07:43,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192562661] [2024-12-02 12:07:43,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:07:43,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:07:43,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:07:43,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:07:43,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:07:43,012 INFO L87 Difference]: Start difference. First operand 125840 states and 170966 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-12-02 12:07:47,071 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 12:07:55,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:07:55,888 INFO L93 Difference]: Finished difference Result 267719 states and 363696 transitions. [2024-12-02 12:07:55,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:07:55,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 426 [2024-12-02 12:07:55,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:07:56,372 INFO L225 Difference]: With dead ends: 267719 [2024-12-02 12:07:56,373 INFO L226 Difference]: Without dead ends: 141956 [2024-12-02 12:07:56,610 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 12:07:56,611 INFO L435 NwaCegarLoop]: 6424 mSDtfsCounter, 2459 mSDsluCounter, 3924 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2459 SdHoareTripleChecker+Valid, 10348 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:07:56,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2459 Valid, 10348 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 69 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 12:07:56,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141956 states. [2024-12-02 12:08:06,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141956 to 141944. [2024-12-02 12:08:06,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141944 states, 105808 states have (on average 1.2909609859367912) internal successors, (136594), 106932 states have internal predecessors, (136594), 27913 states have call successors, (27913), 8354 states have call predecessors, (27913), 8221 states have return successors, (28101), 27517 states have call predecessors, (28101), 27909 states have call successors, (28101) [2024-12-02 12:08:06,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141944 states to 141944 states and 192608 transitions. [2024-12-02 12:08:06,582 INFO L78 Accepts]: Start accepts. Automaton has 141944 states and 192608 transitions. Word has length 426 [2024-12-02 12:08:06,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:08:06,582 INFO L471 AbstractCegarLoop]: Abstraction has 141944 states and 192608 transitions. [2024-12-02 12:08:06,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-12-02 12:08:06,583 INFO L276 IsEmpty]: Start isEmpty. Operand 141944 states and 192608 transitions. [2024-12-02 12:08:06,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2024-12-02 12:08:06,588 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:08:06,588 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 13, 13, 13, 13, 13, 13, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:08:06,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 12:08:06,588 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:08:06,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:08:06,589 INFO L85 PathProgramCache]: Analyzing trace with hash 321543741, now seen corresponding path program 1 times [2024-12-02 12:08:06,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:08:06,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308941901] [2024-12-02 12:08:06,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:08:06,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:08:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:08:13,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-12-02 12:08:13,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:08:13,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308941901] [2024-12-02 12:08:13,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308941901] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:08:13,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:08:13,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:08:13,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807450060] [2024-12-02 12:08:13,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:08:13,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:08:13,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:08:13,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:08:13,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:08:13,709 INFO L87 Difference]: Start difference. First operand 141944 states and 192608 transitions. Second operand has 5 states, 5 states have (on average 32.8) internal successors, (164), 4 states have internal predecessors, (164), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2024-12-02 12:08:17,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:08:28,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:08:28,272 INFO L93 Difference]: Finished difference Result 305315 states and 414057 transitions. [2024-12-02 12:08:28,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:08:28,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 4 states have internal predecessors, (164), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) Word has length 467 [2024-12-02 12:08:28,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:08:28,871 INFO L225 Difference]: With dead ends: 305315 [2024-12-02 12:08:28,871 INFO L226 Difference]: Without dead ends: 163448 [2024-12-02 12:08:29,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:08:29,149 INFO L435 NwaCegarLoop]: 6230 mSDtfsCounter, 2786 mSDsluCounter, 16367 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2786 SdHoareTripleChecker+Valid, 22597 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:08:29,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2786 Valid, 22597 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 12:08:29,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163448 states. [2024-12-02 12:08:39,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163448 to 163404. [2024-12-02 12:08:39,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163404 states, 121772 states have (on average 1.2898531682160101) internal successors, (157068), 123084 states have internal predecessors, (157068), 32081 states have call successors, (32081), 9694 states have call predecessors, (32081), 9549 states have return successors, (32289), 31633 states have call predecessors, (32289), 32077 states have call successors, (32289) [2024-12-02 12:08:39,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163404 states to 163404 states and 221438 transitions. [2024-12-02 12:08:40,364 INFO L78 Accepts]: Start accepts. Automaton has 163404 states and 221438 transitions. Word has length 467 [2024-12-02 12:08:40,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:08:40,365 INFO L471 AbstractCegarLoop]: Abstraction has 163404 states and 221438 transitions. [2024-12-02 12:08:40,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 4 states have internal predecessors, (164), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2024-12-02 12:08:40,365 INFO L276 IsEmpty]: Start isEmpty. Operand 163404 states and 221438 transitions. [2024-12-02 12:08:40,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-12-02 12:08:40,370 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:08:40,371 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 13, 13, 13, 13, 13, 13, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:08:40,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 12:08:40,371 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:08:40,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:08:40,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1850015162, now seen corresponding path program 1 times [2024-12-02 12:08:40,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:08:40,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060354979] [2024-12-02 12:08:40,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:08:40,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:08:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:08:46,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-12-02 12:08:46,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:08:46,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060354979] [2024-12-02 12:08:46,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060354979] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:08:46,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:08:46,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:08:46,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534635031] [2024-12-02 12:08:46,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:08:46,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:08:46,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:08:46,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:08:46,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:08:46,690 INFO L87 Difference]: Start difference. First operand 163404 states and 221438 transitions. Second operand has 5 states, 5 states have (on average 33.0) internal successors, (165), 4 states have internal predecessors, (165), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2024-12-02 12:08:50,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:09:02,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:09:02,557 INFO L93 Difference]: Finished difference Result 344925 states and 466987 transitions. [2024-12-02 12:09:02,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:09:02,557 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), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) Word has length 468 [2024-12-02 12:09:02,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:09:03,356 INFO L225 Difference]: With dead ends: 344925 [2024-12-02 12:09:03,356 INFO L226 Difference]: Without dead ends: 181598 [2024-12-02 12:09:03,684 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:09:03,685 INFO L435 NwaCegarLoop]: 6774 mSDtfsCounter, 2792 mSDsluCounter, 17457 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2792 SdHoareTripleChecker+Valid, 24231 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:09:03,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2792 Valid, 24231 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 99 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-12-02 12:09:03,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181598 states. [2024-12-02 12:09:15,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181598 to 181554. [2024-12-02 12:09:15,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181554 states, 135220 states have (on average 1.2884484543706551) internal successors, (174224), 136672 states have internal predecessors, (174224), 35503 states have call successors, (35503), 10982 states have call predecessors, (35503), 10829 states have return successors, (35731), 35023 states have call predecessors, (35731), 35499 states have call successors, (35731) [2024-12-02 12:09:16,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181554 states to 181554 states and 245458 transitions. [2024-12-02 12:09:16,714 INFO L78 Accepts]: Start accepts. Automaton has 181554 states and 245458 transitions. Word has length 468 [2024-12-02 12:09:16,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:09:16,714 INFO L471 AbstractCegarLoop]: Abstraction has 181554 states and 245458 transitions. [2024-12-02 12:09:16,714 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), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2024-12-02 12:09:16,714 INFO L276 IsEmpty]: Start isEmpty. Operand 181554 states and 245458 transitions. [2024-12-02 12:09:16,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2024-12-02 12:09:16,720 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:09:16,720 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 13, 13, 13, 13, 13, 13, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:09:16,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 12:09:16,721 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:09:16,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:09:16,721 INFO L85 PathProgramCache]: Analyzing trace with hash -2139234854, now seen corresponding path program 1 times [2024-12-02 12:09:16,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:09:16,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661994405] [2024-12-02 12:09:16,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:09:16,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:09:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:09:23,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-12-02 12:09:23,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:09:23,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661994405] [2024-12-02 12:09:23,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661994405] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:09:23,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:09:23,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:09:23,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993110941] [2024-12-02 12:09:23,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:09:23,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:09:23,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:09:23,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:09:23,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:09:23,649 INFO L87 Difference]: Start difference. First operand 181554 states and 245458 transitions. Second operand has 5 states, 5 states have (on average 33.2) internal successors, (166), 4 states have internal predecessors, (166), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2024-12-02 12:09:27,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:09:39,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:09:39,482 INFO L93 Difference]: Finished difference Result 378947 states and 512419 transitions. [2024-12-02 12:09:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:09:39,482 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.2) internal successors, (166), 4 states have internal predecessors, (166), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) Word has length 469 [2024-12-02 12:09:39,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:09:40,601 INFO L225 Difference]: With dead ends: 378947 [2024-12-02 12:09:40,601 INFO L226 Difference]: Without dead ends: 197470 [2024-12-02 12:09:41,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:09:41,062 INFO L435 NwaCegarLoop]: 6423 mSDtfsCounter, 2439 mSDsluCounter, 16764 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2439 SdHoareTripleChecker+Valid, 23187 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:09:41,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2439 Valid, 23187 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 105 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-12-02 12:09:41,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197470 states. [2024-12-02 12:09:51,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197470 to 197426. [2024-12-02 12:09:51,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197426 states, 147050 states have (on average 1.2884869092145528) internal successors, (189472), 148626 states have internal predecessors, (189472), 38567 states have call successors, (38567), 11972 states have call predecessors, (38567), 11807 states have return successors, (38799), 38051 states have call predecessors, (38799), 38563 states have call successors, (38799) [2024-12-02 12:09:52,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197426 states to 197426 states and 266838 transitions. [2024-12-02 12:09:52,539 INFO L78 Accepts]: Start accepts. Automaton has 197426 states and 266838 transitions. Word has length 469 [2024-12-02 12:09:52,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:09:52,540 INFO L471 AbstractCegarLoop]: Abstraction has 197426 states and 266838 transitions. [2024-12-02 12:09:52,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.2) internal successors, (166), 4 states have internal predecessors, (166), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2024-12-02 12:09:52,540 INFO L276 IsEmpty]: Start isEmpty. Operand 197426 states and 266838 transitions. [2024-12-02 12:09:52,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2024-12-02 12:09:52,546 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:09:52,547 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 13, 13, 13, 13, 13, 13, 12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 12:09:52,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 12:09:52,547 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:09:52,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:09:52,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1891979037, now seen corresponding path program 1 times [2024-12-02 12:09:52,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:09:52,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684520550] [2024-12-02 12:09:52,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:09:52,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:09:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:10:00,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-12-02 12:10:00,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:10:00,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684520550] [2024-12-02 12:10:00,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684520550] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:10:00,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:10:00,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:10:00,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983889774] [2024-12-02 12:10:00,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:10:00,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:10:00,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:10:00,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:10:00,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:10:00,365 INFO L87 Difference]: Start difference. First operand 197426 states and 266838 transitions. Second operand has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-12-02 12:10:10,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:10:10,310 INFO L93 Difference]: Finished difference Result 197822 states and 267232 transitions. [2024-12-02 12:10:10,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:10:10,310 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 487 [2024-12-02 12:10:10,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:10:11,390 INFO L225 Difference]: With dead ends: 197822 [2024-12-02 12:10:11,391 INFO L226 Difference]: Without dead ends: 197820 [2024-12-02 12:10:11,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:10:11,446 INFO L435 NwaCegarLoop]: 4007 mSDtfsCounter, 3824 mSDsluCounter, 8057 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3825 SdHoareTripleChecker+Valid, 12064 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:10:11,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3825 Valid, 12064 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:10:11,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197820 states. [2024-12-02 12:10:23,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197820 to 197818. [2024-12-02 12:10:23,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197818 states, 147344 states have (on average 1.287870561407319) internal successors, (189760), 148920 states have internal predecessors, (189760), 38567 states have call successors, (38567), 12070 states have call predecessors, (38567), 11905 states have return successors, (38799), 38051 states have call predecessors, (38799), 38563 states have call successors, (38799) [2024-12-02 12:10:24,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197818 states to 197818 states and 267126 transitions. [2024-12-02 12:10:24,418 INFO L78 Accepts]: Start accepts. Automaton has 197818 states and 267126 transitions. Word has length 487 [2024-12-02 12:10:24,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:10:24,419 INFO L471 AbstractCegarLoop]: Abstraction has 197818 states and 267126 transitions. [2024-12-02 12:10:24,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-12-02 12:10:24,419 INFO L276 IsEmpty]: Start isEmpty. Operand 197818 states and 267126 transitions. [2024-12-02 12:10:24,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2024-12-02 12:10:24,428 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:10:24,429 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 12:10:24,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 12:10:24,429 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:10:24,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:10:24,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1485292195, now seen corresponding path program 1 times [2024-12-02 12:10:24,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:10:24,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872017933] [2024-12-02 12:10:24,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:10:24,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:10:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:10:31,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1690 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1690 trivial. 0 not checked. [2024-12-02 12:10:31,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:10:31,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872017933] [2024-12-02 12:10:31,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872017933] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:10:31,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:10:31,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:10:31,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338636215] [2024-12-02 12:10:31,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:10:31,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:10:31,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:10:31,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:10:31,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:10:31,140 INFO L87 Difference]: Start difference. First operand 197818 states and 267126 transitions. Second operand has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 2 states have call successors, (58), 2 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 12:10:35,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:10:45,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:10:45,006 INFO L93 Difference]: Finished difference Result 197820 states and 267127 transitions. [2024-12-02 12:10:45,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:10:45,007 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 2 states have call successors, (58), 2 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 527 [2024-12-02 12:10:45,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:10:45,737 INFO L225 Difference]: With dead ends: 197820 [2024-12-02 12:10:45,738 INFO L226 Difference]: Without dead ends: 197818 [2024-12-02 12:10:45,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:10:45,801 INFO L435 NwaCegarLoop]: 3991 mSDtfsCounter, 44 mSDsluCounter, 11944 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 15935 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:10:45,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 15935 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 12:10:45,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197818 states. [2024-12-02 12:10:58,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197818 to 197818. [2024-12-02 12:10:58,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197818 states, 147344 states have (on average 1.2871647301552829) internal successors, (189656), 148920 states have internal predecessors, (189656), 38567 states have call successors, (38567), 12070 states have call predecessors, (38567), 11905 states have return successors, (38799), 38051 states have call predecessors, (38799), 38563 states have call successors, (38799) [2024-12-02 12:10:58,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197818 states to 197818 states and 267022 transitions. [2024-12-02 12:10:59,018 INFO L78 Accepts]: Start accepts. Automaton has 197818 states and 267022 transitions. Word has length 527 [2024-12-02 12:10:59,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:10:59,018 INFO L471 AbstractCegarLoop]: Abstraction has 197818 states and 267022 transitions. [2024-12-02 12:10:59,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 2 states have call successors, (58), 2 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 12:10:59,019 INFO L276 IsEmpty]: Start isEmpty. Operand 197818 states and 267022 transitions. [2024-12-02 12:10:59,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2024-12-02 12:10:59,031 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:10:59,031 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 14, 14, 14, 13, 13, 13, 13, 13, 13, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 12:10:59,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 12:10:59,032 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:10:59,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:10:59,032 INFO L85 PathProgramCache]: Analyzing trace with hash -154387266, now seen corresponding path program 1 times [2024-12-02 12:10:59,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:10:59,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977586547] [2024-12-02 12:10:59,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:10:59,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:11:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:11:05,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1966 trivial. 0 not checked. [2024-12-02 12:11:05,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:11:05,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977586547] [2024-12-02 12:11:05,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977586547] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:11:05,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:11:05,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:11:05,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822698475] [2024-12-02 12:11:05,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:11:05,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:11:05,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:11:05,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:11:05,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:11:05,740 INFO L87 Difference]: Start difference. First operand 197818 states and 267022 transitions. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2024-12-02 12:11:09,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:11:22,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:11:22,617 INFO L93 Difference]: Finished difference Result 411635 states and 555691 transitions. [2024-12-02 12:11:22,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:11:22,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 581 [2024-12-02 12:11:22,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:11:23,914 INFO L225 Difference]: With dead ends: 411635 [2024-12-02 12:11:23,914 INFO L226 Difference]: Without dead ends: 213894 [2024-12-02 12:11:24,279 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 12:11:24,279 INFO L435 NwaCegarLoop]: 6437 mSDtfsCounter, 2454 mSDsluCounter, 3926 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2454 SdHoareTripleChecker+Valid, 10363 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:11:24,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2454 Valid, 10363 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 12:11:24,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213894 states. [2024-12-02 12:11:36,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213894 to 213882. [2024-12-02 12:11:36,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213882 states, 159326 states have (on average 1.2871722129470393) internal successors, (205080), 161026 states have internal predecessors, (205080), 41647 states have call successors, (41647), 13084 states have call predecessors, (41647), 12907 states have return successors, (41883), 41095 states have call predecessors, (41883), 41643 states have call successors, (41883) [2024-12-02 12:11:37,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213882 states to 213882 states and 288610 transitions. [2024-12-02 12:11:37,499 INFO L78 Accepts]: Start accepts. Automaton has 213882 states and 288610 transitions. Word has length 581 [2024-12-02 12:11:37,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:11:37,500 INFO L471 AbstractCegarLoop]: Abstraction has 213882 states and 288610 transitions. [2024-12-02 12:11:37,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2024-12-02 12:11:37,500 INFO L276 IsEmpty]: Start isEmpty. Operand 213882 states and 288610 transitions. [2024-12-02 12:11:37,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2024-12-02 12:11:37,514 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:11:37,515 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 14, 14, 14, 13, 13, 13, 13, 13, 13, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 12:11:37,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 12:11:37,515 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:11:37,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:11:37,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1874496556, now seen corresponding path program 1 times [2024-12-02 12:11:37,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:11:37,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726899693] [2024-12-02 12:11:37,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:11:37,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:11:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:11:44,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2300 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 2199 trivial. 0 not checked. [2024-12-02 12:11:44,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:11:44,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726899693] [2024-12-02 12:11:44,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726899693] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:11:44,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:11:44,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:11:44,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172622962] [2024-12-02 12:11:44,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:11:44,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:11:44,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:11:44,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:11:44,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:11:44,924 INFO L87 Difference]: Start difference. First operand 213882 states and 288610 transitions. Second operand has 5 states, 5 states have (on average 42.4) internal successors, (212), 4 states have internal predecessors, (212), 3 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) [2024-12-02 12:11:48,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:12:03,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:12:03,309 INFO L93 Difference]: Finished difference Result 445575 states and 600705 transitions. [2024-12-02 12:12:03,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:12:03,310 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 42.4) internal successors, (212), 4 states have internal predecessors, (212), 3 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) Word has length 613 [2024-12-02 12:12:03,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:12:04,528 INFO L225 Difference]: With dead ends: 445575 [2024-12-02 12:12:04,529 INFO L226 Difference]: Without dead ends: 231770 [2024-12-02 12:12:04,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:12:04,942 INFO L435 NwaCegarLoop]: 6216 mSDtfsCounter, 2785 mSDsluCounter, 16339 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2785 SdHoareTripleChecker+Valid, 22555 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:12:04,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2785 Valid, 22555 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 12:12:05,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231770 states. [2024-12-02 12:12:19,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231770 to 215934. [2024-12-02 12:12:19,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215934 states, 160766 states have (on average 1.2856822960078624) internal successors, (206694), 162482 states have internal predecessors, (206694), 41935 states have call successors, (41935), 13400 states have call predecessors, (41935), 13231 states have return successors, (42187), 41391 states have call predecessors, (42187), 41931 states have call successors, (42187) [2024-12-02 12:12:20,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215934 states to 215934 states and 290816 transitions. [2024-12-02 12:12:20,423 INFO L78 Accepts]: Start accepts. Automaton has 215934 states and 290816 transitions. Word has length 613 [2024-12-02 12:12:20,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:12:20,424 INFO L471 AbstractCegarLoop]: Abstraction has 215934 states and 290816 transitions. [2024-12-02 12:12:20,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 42.4) internal successors, (212), 4 states have internal predecessors, (212), 3 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) [2024-12-02 12:12:20,424 INFO L276 IsEmpty]: Start isEmpty. Operand 215934 states and 290816 transitions. [2024-12-02 12:12:20,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2024-12-02 12:12:20,438 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:12:20,439 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 15, 15, 15, 13, 13, 13, 13, 13, 13, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2024-12-02 12:12:20,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-12-02 12:12:20,439 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:12:20,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:12:20,441 INFO L85 PathProgramCache]: Analyzing trace with hash 370204535, now seen corresponding path program 1 times [2024-12-02 12:12:20,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:12:20,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833503455] [2024-12-02 12:12:20,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:12:20,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:12:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:12:26,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2103 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 2024 trivial. 0 not checked. [2024-12-02 12:12:26,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:12:26,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833503455] [2024-12-02 12:12:26,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833503455] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:12:26,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:12:26,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:12:26,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316861465] [2024-12-02 12:12:26,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:12:26,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:12:26,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:12:26,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:12:26,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:12:26,900 INFO L87 Difference]: Start difference. First operand 215934 states and 290816 transitions. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) [2024-12-02 12:12:30,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:12:44,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:12:44,910 INFO L93 Difference]: Finished difference Result 448817 states and 604317 transitions. [2024-12-02 12:12:44,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:12:44,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) Word has length 618 [2024-12-02 12:12:44,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:12:46,019 INFO L225 Difference]: With dead ends: 448817 [2024-12-02 12:12:46,020 INFO L226 Difference]: Without dead ends: 232960 [2024-12-02 12:12:46,441 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 12:12:46,442 INFO L435 NwaCegarLoop]: 6541 mSDtfsCounter, 2632 mSDsluCounter, 3859 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2632 SdHoareTripleChecker+Valid, 10400 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:12:46,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2632 Valid, 10400 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 12:12:46,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232960 states.