./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-hp-hp100.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_458745d6-8e0b-43a3-9b5c-09bb36fad615/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_458745d6-8e0b-43a3-9b5c-09bb36fad615/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_458745d6-8e0b-43a3-9b5c-09bb36fad615/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_458745d6-8e0b-43a3-9b5c-09bb36fad615/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-hp-hp100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_458745d6-8e0b-43a3-9b5c-09bb36fad615/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_458745d6-8e0b-43a3-9b5c-09bb36fad615/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 2153d726b3df3279bb6505eb692efb4a8209caffcbc0811ddc19e986e257f695 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:29:39,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:29:39,207 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_458745d6-8e0b-43a3-9b5c-09bb36fad615/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 13:29:39,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:29:39,212 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:29:39,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:29:39,236 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:29:39,237 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:29:39,237 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:29:39,237 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:29:39,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:29:39,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:29:39,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:29:39,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:29:39,238 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:29:39,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:29:39,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:29:39,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:29:39,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:29:39,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:29:39,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:29:39,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:29:39,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:29:39,239 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:29:39,239 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:29:39,239 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:29:39,239 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:29:39,239 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:29:39,240 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:29:39,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:29:39,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:29:39,240 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:29:39,240 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:29:39,240 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:29:39,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:29:39,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:29:39,241 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:29:39,241 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:29:39,241 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:29:39,241 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:29:39,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:29:39,241 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:29:39,241 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:29:39,241 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:29:39,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:29:39,242 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_458745d6-8e0b-43a3-9b5c-09bb36fad615/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 -> 2153d726b3df3279bb6505eb692efb4a8209caffcbc0811ddc19e986e257f695 [2024-12-02 13:29:39,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:29:39,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:29:39,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:29:39,498 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:29:39,498 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:29:39,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_458745d6-8e0b-43a3-9b5c-09bb36fad615/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i [2024-12-02 13:29:42,185 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_458745d6-8e0b-43a3-9b5c-09bb36fad615/bin/uautomizer-verify-84ZbGMXZE1/data/305d08186/efd7a3adfc6c4af78f36781e4e338f8c/FLAGf12c3c394 [2024-12-02 13:29:42,629 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:29:42,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_458745d6-8e0b-43a3-9b5c-09bb36fad615/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i [2024-12-02 13:29:42,660 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_458745d6-8e0b-43a3-9b5c-09bb36fad615/bin/uautomizer-verify-84ZbGMXZE1/data/305d08186/efd7a3adfc6c4af78f36781e4e338f8c/FLAGf12c3c394 [2024-12-02 13:29:42,672 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_458745d6-8e0b-43a3-9b5c-09bb36fad615/bin/uautomizer-verify-84ZbGMXZE1/data/305d08186/efd7a3adfc6c4af78f36781e4e338f8c [2024-12-02 13:29:42,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:29:42,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:29:42,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:29:42,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:29:42,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:29:42,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:29:42" (1/1) ... [2024-12-02 13:29:42,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7693eaad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:42, skipping insertion in model container [2024-12-02 13:29:42,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:29:42" (1/1) ... [2024-12-02 13:29:42,762 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:29:44,670 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_458745d6-8e0b-43a3-9b5c-09bb36fad615/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i[314801,314814] [2024-12-02 13:29:44,673 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_458745d6-8e0b-43a3-9b5c-09bb36fad615/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i[314970,314983] [2024-12-02 13:29:44,674 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_458745d6-8e0b-43a3-9b5c-09bb36fad615/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315137,315150] [2024-12-02 13:29:44,674 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_458745d6-8e0b-43a3-9b5c-09bb36fad615/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315305,315318] [2024-12-02 13:29:44,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:29:44,723 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:29:44,804 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"); [5204] [2024-12-02 13:29:44,805 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)); [5211] [2024-12-02 13:29:44,807 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)); [5246-5247] [2024-12-02 13:29:44,807 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"); [5252-5254] [2024-12-02 13:29:44,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [5314] [2024-12-02 13:29:44,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5317] [2024-12-02 13:29:44,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5320] [2024-12-02 13:29:44,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5323] [2024-12-02 13:29:44,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5392] [2024-12-02 13:29:44,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5438] [2024-12-02 13:29:44,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5446] [2024-12-02 13:29:44,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5453] [2024-12-02 13:29:44,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5461] [2024-12-02 13:29:44,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5468] [2024-12-02 13:29:44,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5476] [2024-12-02 13:29:44,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsl": "+S" (addr), "+c" (count): "d" (port)); [5483] [2024-12-02 13:29:44,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insl": "+D" (addr), "+c" (count): "d" (port)); [5490] [2024-12-02 13:29:44,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5559-5560] [2024-12-02 13:29:44,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5593-5594] [2024-12-02 13:29:45,038 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_458745d6-8e0b-43a3-9b5c-09bb36fad615/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i[314801,314814] [2024-12-02 13:29:45,039 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_458745d6-8e0b-43a3-9b5c-09bb36fad615/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i[314970,314983] [2024-12-02 13:29:45,039 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_458745d6-8e0b-43a3-9b5c-09bb36fad615/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315137,315150] [2024-12-02 13:29:45,039 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_458745d6-8e0b-43a3-9b5c-09bb36fad615/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315305,315318] [2024-12-02 13:29:45,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:29:45,228 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:29:45,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:45 WrapperNode [2024-12-02 13:29:45,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:29:45,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:29:45,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:29:45,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:29:45,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:45" (1/1) ... [2024-12-02 13:29:45,288 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:45" (1/1) ... [2024-12-02 13:29:45,462 INFO L138 Inliner]: procedures = 390, calls = 1834, calls flagged for inlining = 178, calls inlined = 157, statements flattened = 4991 [2024-12-02 13:29:45,463 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:29:45,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:29:45,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:29:45,464 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:29:45,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:45" (1/1) ... [2024-12-02 13:29:45,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:45" (1/1) ... [2024-12-02 13:29:45,500 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:45" (1/1) ... [2024-12-02 13:29:46,150 INFO L175 MemorySlicer]: Split 688 memory accesses to 17 slices as follows [6, 8, 4, 8, 2, 2, 8, 1, 24, 2, 6, 1, 2, 1, 54, 556, 3]. 81 percent of accesses are in the largest equivalence class. The 54 initializations are split as follows [6, 0, 0, 0, 0, 0, 8, 0, 24, 0, 6, 1, 2, 0, 0, 6, 1]. The 343 writes are split as follows [0, 2, 4, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 42, 291, 0]. [2024-12-02 13:29:46,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:45" (1/1) ... [2024-12-02 13:29:46,151 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:45" (1/1) ... [2024-12-02 13:29:46,243 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:45" (1/1) ... [2024-12-02 13:29:46,251 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:45" (1/1) ... [2024-12-02 13:29:46,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:45" (1/1) ... [2024-12-02 13:29:46,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:45" (1/1) ... [2024-12-02 13:29:46,311 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:45" (1/1) ... [2024-12-02 13:29:46,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:29:46,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:29:46,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:29:46,352 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:29:46,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:45" (1/1) ... [2024-12-02 13:29:46,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:29:46,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_458745d6-8e0b-43a3-9b5c-09bb36fad615/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:46,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_458745d6-8e0b-43a3-9b5c-09bb36fad615/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:29:46,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_458745d6-8e0b-43a3-9b5c-09bb36fad615/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:29:46,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 13:29:46,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 13:29:46,417 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-12-02 13:29:46,417 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-12-02 13:29:46,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 13:29:46,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 13:29:46,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 13:29:46,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 13:29:46,417 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 13:29:46,417 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 13:29:46,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2024-12-02 13:29:46,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2024-12-02 13:29:46,417 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2024-12-02 13:29:46,417 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2024-12-02 13:29:46,417 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_open [2024-12-02 13:29:46,417 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_open [2024-12-02 13:29:46,417 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_load_eeprom [2024-12-02 13:29:46,418 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_load_eeprom [2024-12-02 13:29:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_sense_lan [2024-12-02 13:29:46,418 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_sense_lan [2024-12-02 13:29:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 13:29:46,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 13:29:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-12-02 13:29:46,418 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-12-02 13:29:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 13:29:46,418 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 13:29:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 13:29:46,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 13:29:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-12-02 13:29:46,418 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-12-02 13:29:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 13:29:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-12-02 13:29:46,418 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-12-02 13:29:46,419 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2024-12-02 13:29:46,419 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2024-12-02 13:29:46,419 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 13:29:46,419 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 13:29:46,419 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_cascade_reset [2024-12-02 13:29:46,419 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_cascade_reset [2024-12-02 13:29:46,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 13:29:46,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 13:29:46,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 13:29:46,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 13:29:46,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 13:29:46,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 13:29:46,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 13:29:46,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 13:29:46,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 13:29:46,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 13:29:46,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 13:29:46,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 13:29:46,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 13:29:46,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 13:29:46,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 13:29:46,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 13:29:46,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 13:29:46,420 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 13:29:46,420 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 13:29:46,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 13:29:46,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 13:29:46,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 13:29:46,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 13:29:46,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 13:29:46,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 13:29:46,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 13:29:46,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 13:29:46,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 13:29:46,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 13:29:46,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 13:29:46,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 13:29:46,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 13:29:46,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 13:29:46,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 13:29:46,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 13:29:46,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 13:29:46,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 13:29:46,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 13:29:46,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 13:29:46,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 13:29:46,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 13:29:46,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 13:29:46,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 13:29:46,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 13:29:46,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 13:29:46,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 13:29:46,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 13:29:46,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 13:29:46,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 13:29:46,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 13:29:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 13:29:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 13:29:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 13:29:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 13:29:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 13:29:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 13:29:46,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 13:29:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 13:29:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 13:29:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 13:29:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 13:29:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 13:29:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 13:29:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 13:29:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 13:29:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 13:29:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 13:29:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 13:29:46,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 13:29:46,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 13:29:46,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 13:29:46,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 13:29:46,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 13:29:46,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 13:29:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 13:29:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 13:29:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 13:29:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 13:29:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 13:29:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 13:29:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 13:29:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 13:29:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 13:29:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 13:29:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 13:29:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 13:29:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 13:29:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 13:29:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 13:29:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 13:29:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 13:29:46,425 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rx_bm [2024-12-02 13:29:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rx_bm [2024-12-02 13:29:46,425 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_BM_shutdown [2024-12-02 13:29:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_BM_shutdown [2024-12-02 13:29:46,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 13:29:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 13:29:46,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 13:29:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 13:29:46,425 INFO L130 BoogieDeclarations]: Found specification of procedure wait [2024-12-02 13:29:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure wait [2024-12-02 13:29:46,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-12-02 13:29:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-12-02 13:29:46,425 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_hwinit [2024-12-02 13:29:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_hwinit [2024-12-02 13:29:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-12-02 13:29:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-12-02 13:29:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_whatever [2024-12-02 13:29:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_whatever [2024-12-02 13:29:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_close [2024-12-02 13:29:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_close [2024-12-02 13:29:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 13:29:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 13:29:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 13:29:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_stop_interface [2024-12-02 13:29:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_stop_interface [2024-12-02 13:29:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_check_lan [2024-12-02 13:29:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_check_lan [2024-12-02 13:29:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 13:29:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 13:29:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:29:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 13:29:46,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 13:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 13:29:46,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 13:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 13:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 13:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 13:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 13:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 13:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 13:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 13:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 13:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 13:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 13:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 13:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 13:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 13:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 13:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 13:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 13:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 13:29:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 13:29:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 13:29:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 13:29:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 13:29:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-12-02 13:29:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-12-02 13:29:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rxfill [2024-12-02 13:29:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rxfill [2024-12-02 13:29:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 13:29:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 13:29:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-12-02 13:29:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-12-02 13:29:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 13:29:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 13:29:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:29:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:29:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_update_stats [2024-12-02 13:29:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_update_stats [2024-12-02 13:29:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 13:29:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 13:29:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 13:29:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 13:29:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 13:29:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 13:29:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 13:29:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 13:29:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 13:29:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 13:29:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 13:29:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 13:29:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 13:29:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 13:29:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 13:29:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 13:29:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 13:29:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 13:29:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 13:29:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 13:29:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 13:29:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 13:29:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 13:29:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 13:29:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 13:29:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 13:29:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 13:29:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 13:29:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 13:29:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 13:29:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 13:29:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 13:29:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 13:29:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 13:29:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 13:29:46,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 13:29:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 13:29:46,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 13:29:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-12-02 13:29:46,430 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-12-02 13:29:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 13:29:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 13:29:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 13:29:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 13:29:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 13:29:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 13:29:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 13:29:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 13:29:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 13:29:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 13:29:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 13:29:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 13:29:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 13:29:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 13:29:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 13:29:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 13:29:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 13:29:46,431 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 13:29:46,431 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 13:29:46,431 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 13:29:46,431 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 13:29:46,431 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 13:29:46,431 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 13:29:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 13:29:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 13:29:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 13:29:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 13:29:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 13:29:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 13:29:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 13:29:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 13:29:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 13:29:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 13:29:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 13:29:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-02 13:29:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-02 13:29:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 13:29:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 13:29:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 13:29:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 13:29:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 13:29:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 13:29:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 13:29:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 13:29:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 13:29:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 13:29:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 13:29:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 13:29:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 13:29:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 13:29:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 13:29:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 13:29:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 13:29:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 13:29:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 13:29:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 13:29:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 13:29:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 13:29:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-12-02 13:29:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-12-02 13:29:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 13:29:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 13:29:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-12-02 13:29:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-12-02 13:29:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 13:29:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 13:29:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2024-12-02 13:29:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2024-12-02 13:29:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_pci_remove [2024-12-02 13:29:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_pci_remove [2024-12-02 13:29:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_build_rx_pdl [2024-12-02 13:29:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_build_rx_pdl [2024-12-02 13:29:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-12-02 13:29:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-12-02 13:29:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 13:29:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 13:29:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-12-02 13:29:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-12-02 13:29:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_hp100_private [2024-12-02 13:29:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_hp100_private [2024-12-02 13:29:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 13:29:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 13:29:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 13:29:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 13:29:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 13:29:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 13:29:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 13:29:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 13:29:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 13:29:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 13:29:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 13:29:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 13:29:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 13:29:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 13:29:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 13:29:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 13:29:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 13:29:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2024-12-02 13:29:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2024-12-02 13:29:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 13:29:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 13:29:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_hp100_private [2024-12-02 13:29:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_hp100_private [2024-12-02 13:29:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2024-12-02 13:29:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2024-12-02 13:29:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2024-12-02 13:29:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2024-12-02 13:29:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-12-02 13:29:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-12-02 13:29:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 13:29:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 13:29:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_set_multicast_list [2024-12-02 13:29:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_set_multicast_list [2024-12-02 13:29:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_start_interface [2024-12-02 13:29:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_start_interface [2024-12-02 13:29:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-12-02 13:29:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-12-02 13:29:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_clean_txring [2024-12-02 13:29:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_clean_txring [2024-12-02 13:29:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2024-12-02 13:29:46,436 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2024-12-02 13:29:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:29:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 13:29:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 13:29:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 13:29:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 13:29:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 13:29:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 13:29:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 13:29:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 13:29:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 13:29:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 13:29:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 13:29:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 13:29:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 13:29:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 13:29:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 13:29:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 13:29:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2024-12-02 13:29:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2024-12-02 13:29:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 13:29:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 13:29:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_login_to_vg_hub [2024-12-02 13:29:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_login_to_vg_hub [2024-12-02 13:29:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2024-12-02 13:29:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2024-12-02 13:29:47,231 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:29:47,234 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:29:47,955 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 13:30:00,674 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 13:30:00,675 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-12-02 13:30:03,061 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8561-5: assume (if (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 else (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0; [2024-12-02 13:30:03,062 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8561-5: assume !((if (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 else (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0); [2024-12-02 13:30:03,062 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8561: assume 2096896 == ~tmp___4~7#1 % 18446744073709551616;#t~bitwise753#1 := ~tmp___4~7#1; [2024-12-02 13:30:03,062 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8561: assume !(2096896 == ~tmp___4~7#1 % 18446744073709551616); [2024-12-02 13:30:03,062 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8561-2: havoc #t~bitwise753#1;assume #t~bitwise753#1 % 18446744073709551616 <= ~tmp___4~7#1 % 18446744073709551616 && #t~bitwise753#1 % 18446744073709551616 <= 2096896; [2024-12-02 13:30:03,062 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8561-3: assume 0 == #t~bitwise753#1 % 18446744073709551616;havoc #t~bitwise753#1; [2024-12-02 13:30:03,062 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8561-3: assume !(0 == #t~bitwise753#1 % 18446744073709551616);havoc #t~bitwise753#1; [2024-12-02 13:30:03,062 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8563: SUMMARY for call #t~ret754#1 := schedule_timeout_interruptible(1); srcloc: null [2024-12-02 13:30:03,062 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8563-1: assume -9223372036854775808 <= #t~ret754#1 && #t~ret754#1 <= 9223372036854775807;havoc #t~ret754#1; [2024-12-02 13:30:03,063 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !(0 == ~tmp___4~7#1 % 18446744073709551616); [2024-12-02 13:30:03,063 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume 0 == ~tmp___4~7#1 % 18446744073709551616;#t~bitwise753#1 := 0; [2024-12-02 13:30:03,919 INFO L? ?]: Removed 2354 outVars from TransFormulas that were not future-live. [2024-12-02 13:30:03,919 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:30:03,960 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:30:03,960 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-02 13:30:03,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:30:03 BoogieIcfgContainer [2024-12-02 13:30:03,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:30:03,963 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:30:03,963 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:30:03,967 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:30:03,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:29:42" (1/3) ... [2024-12-02 13:30:03,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c84abce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:30:03, skipping insertion in model container [2024-12-02 13:30:03,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:45" (2/3) ... [2024-12-02 13:30:03,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c84abce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:30:03, skipping insertion in model container [2024-12-02 13:30:03,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:30:03" (3/3) ... [2024-12-02 13:30:03,970 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i [2024-12-02 13:30:03,985 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:30:03,989 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i that has 114 procedures, 2284 locations, 1 initial locations, 52 loop locations, and 3 error locations. [2024-12-02 13:30:04,087 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:30:04,098 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;@6855279b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:30:04,098 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 13:30:04,108 INFO L276 IsEmpty]: Start isEmpty. Operand has 2138 states, 1445 states have (on average 1.3480968858131488) internal successors, (1948), 1487 states have internal predecessors, (1948), 611 states have call successors, (611), 81 states have call predecessors, (611), 80 states have return successors, (606), 593 states have call predecessors, (606), 606 states have call successors, (606) [2024-12-02 13:30:04,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-12-02 13:30:04,117 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:30:04,117 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:04,118 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:30:04,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:30:04,121 INFO L85 PathProgramCache]: Analyzing trace with hash 483685268, now seen corresponding path program 1 times [2024-12-02 13:30:04,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:30:04,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506876534] [2024-12-02 13:30:04,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:30:04,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:30:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:30:09,176 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-02 13:30:09,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:30:09,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506876534] [2024-12-02 13:30:09,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506876534] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:30:09,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:30:09,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:30:09,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295128071] [2024-12-02 13:30:09,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:30:09,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:30:09,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:30:09,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:30:09,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:30:09,205 INFO L87 Difference]: Start difference. First operand has 2138 states, 1445 states have (on average 1.3480968858131488) internal successors, (1948), 1487 states have internal predecessors, (1948), 611 states have call successors, (611), 81 states have call predecessors, (611), 80 states have return successors, (606), 593 states have call predecessors, (606), 606 states have call successors, (606) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-12-02 13:30:13,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:30:13,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:30:13,770 INFO L93 Difference]: Finished difference Result 6299 states and 9536 transitions. [2024-12-02 13:30:13,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:30:13,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 68 [2024-12-02 13:30:13,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:30:13,813 INFO L225 Difference]: With dead ends: 6299 [2024-12-02 13:30:13,813 INFO L226 Difference]: Without dead ends: 4164 [2024-12-02 13:30:13,833 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 13:30:13,836 INFO L435 NwaCegarLoop]: 3143 mSDtfsCounter, 3041 mSDsluCounter, 3076 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3041 SdHoareTripleChecker+Valid, 6219 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:30:13,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3041 Valid, 6219 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-12-02 13:30:13,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4164 states. [2024-12-02 13:30:14,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4164 to 4160. [2024-12-02 13:30:14,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4160 states, 2819 states have (on average 1.3291947499113161) internal successors, (3747), 2899 states have internal predecessors, (3747), 1181 states have call successors, (1181), 158 states have call predecessors, (1181), 157 states have return successors, (1178), 1152 states have call predecessors, (1178), 1178 states have call successors, (1178) [2024-12-02 13:30:14,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4160 states to 4160 states and 6106 transitions. [2024-12-02 13:30:14,228 INFO L78 Accepts]: Start accepts. Automaton has 4160 states and 6106 transitions. Word has length 68 [2024-12-02 13:30:14,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:30:14,228 INFO L471 AbstractCegarLoop]: Abstraction has 4160 states and 6106 transitions. [2024-12-02 13:30:14,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-12-02 13:30:14,229 INFO L276 IsEmpty]: Start isEmpty. Operand 4160 states and 6106 transitions. [2024-12-02 13:30:14,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 13:30:14,232 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:30:14,232 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:14,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 13:30:14,233 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:30:14,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:30:14,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1560691994, now seen corresponding path program 1 times [2024-12-02 13:30:14,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:30:14,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526216497] [2024-12-02 13:30:14,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:30:14,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:30:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:30:18,912 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-02 13:30:18,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:30:18,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526216497] [2024-12-02 13:30:18,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526216497] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:30:18,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:30:18,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:30:18,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068738450] [2024-12-02 13:30:18,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:30:18,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:30:18,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:30:18,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:30:18,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:30:18,915 INFO L87 Difference]: Start difference. First operand 4160 states and 6106 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-12-02 13:30:22,967 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 13:30:23,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:30:23,803 INFO L93 Difference]: Finished difference Result 11934 states and 17558 transitions. [2024-12-02 13:30:23,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:30:23,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 73 [2024-12-02 13:30:23,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:30:23,888 INFO L225 Difference]: With dead ends: 11934 [2024-12-02 13:30:23,888 INFO L226 Difference]: Without dead ends: 7787 [2024-12-02 13:30:23,922 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 13:30:23,923 INFO L435 NwaCegarLoop]: 3651 mSDtfsCounter, 2757 mSDsluCounter, 3041 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2757 SdHoareTripleChecker+Valid, 6692 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:30:23,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2757 Valid, 6692 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 13:30:23,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7787 states. [2024-12-02 13:30:24,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7787 to 7752. [2024-12-02 13:30:24,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7752 states, 5228 states have (on average 1.3295715378729915) internal successors, (6951), 5380 states have internal predecessors, (6951), 2228 states have call successors, (2228), 298 states have call predecessors, (2228), 293 states have return successors, (2239), 2161 states have call predecessors, (2239), 2225 states have call successors, (2239) [2024-12-02 13:30:24,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7752 states to 7752 states and 11418 transitions. [2024-12-02 13:30:24,566 INFO L78 Accepts]: Start accepts. Automaton has 7752 states and 11418 transitions. Word has length 73 [2024-12-02 13:30:24,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:30:24,566 INFO L471 AbstractCegarLoop]: Abstraction has 7752 states and 11418 transitions. [2024-12-02 13:30:24,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-12-02 13:30:24,566 INFO L276 IsEmpty]: Start isEmpty. Operand 7752 states and 11418 transitions. [2024-12-02 13:30:24,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-02 13:30:24,569 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:30:24,570 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:24,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:30:24,570 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:30:24,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:30:24,571 INFO L85 PathProgramCache]: Analyzing trace with hash -332281749, now seen corresponding path program 1 times [2024-12-02 13:30:24,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:30:24,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306028771] [2024-12-02 13:30:24,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:30:24,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:30:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:30:29,147 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-02 13:30:29,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:30:29,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306028771] [2024-12-02 13:30:29,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306028771] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:30:29,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:30:29,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:30:29,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402903962] [2024-12-02 13:30:29,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:30:29,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:30:29,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:30:29,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:30:29,149 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:30:29,149 INFO L87 Difference]: Start difference. First operand 7752 states and 11418 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-12-02 13:30:33,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:30:34,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:30:34,425 INFO L93 Difference]: Finished difference Result 22532 states and 33192 transitions. [2024-12-02 13:30:34,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:30:34,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 76 [2024-12-02 13:30:34,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:30:34,553 INFO L225 Difference]: With dead ends: 22532 [2024-12-02 13:30:34,553 INFO L226 Difference]: Without dead ends: 14793 [2024-12-02 13:30:34,606 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 13:30:34,607 INFO L435 NwaCegarLoop]: 3120 mSDtfsCounter, 2842 mSDsluCounter, 3032 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2842 SdHoareTripleChecker+Valid, 6152 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:30:34,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2842 Valid, 6152 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 13:30:34,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14793 states. [2024-12-02 13:30:35,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14793 to 14756. [2024-12-02 13:30:35,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14756 states, 9962 states have (on average 1.330556113230275) internal successors, (13255), 10250 states have internal predecessors, (13255), 4222 states have call successors, (4222), 580 states have call predecessors, (4222), 569 states have return successors, (4249), 4089 states have call predecessors, (4249), 4219 states have call successors, (4249) [2024-12-02 13:30:35,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14756 states to 14756 states and 21726 transitions. [2024-12-02 13:30:35,670 INFO L78 Accepts]: Start accepts. Automaton has 14756 states and 21726 transitions. Word has length 76 [2024-12-02 13:30:35,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:30:35,671 INFO L471 AbstractCegarLoop]: Abstraction has 14756 states and 21726 transitions. [2024-12-02 13:30:35,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-12-02 13:30:35,671 INFO L276 IsEmpty]: Start isEmpty. Operand 14756 states and 21726 transitions. [2024-12-02 13:30:35,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-02 13:30:35,673 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:30:35,673 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:35,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:30:35,673 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:30:35,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:30:35,674 INFO L85 PathProgramCache]: Analyzing trace with hash 800494153, now seen corresponding path program 1 times [2024-12-02 13:30:35,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:30:35,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652168109] [2024-12-02 13:30:35,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:30:35,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:30:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:30:40,551 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-02 13:30:40,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:30:40,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652168109] [2024-12-02 13:30:40,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652168109] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:30:40,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:30:40,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:30:40,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741384875] [2024-12-02 13:30:40,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:30:40,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:30:40,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:30:40,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:30:40,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:30:40,554 INFO L87 Difference]: Start difference. First operand 14756 states and 21726 transitions. 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, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-12-02 13:30:44,596 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 13:30:45,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:30:45,709 INFO L93 Difference]: Finished difference Result 25166 states and 36941 transitions. [2024-12-02 13:30:45,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:30:45,710 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, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 79 [2024-12-02 13:30:45,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:30:45,785 INFO L225 Difference]: With dead ends: 25166 [2024-12-02 13:30:45,785 INFO L226 Difference]: Without dead ends: 10423 [2024-12-02 13:30:45,842 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 13:30:45,842 INFO L435 NwaCegarLoop]: 4365 mSDtfsCounter, 1853 mSDsluCounter, 3041 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1853 SdHoareTripleChecker+Valid, 7406 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 13:30:45,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1853 Valid, 7406 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 74 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 13:30:45,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10423 states. [2024-12-02 13:30:46,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10423 to 10395. [2024-12-02 13:30:46,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10395 states, 7095 states have (on average 1.324031007751938) internal successors, (9394), 7301 states have internal predecessors, (9394), 2855 states have call successors, (2855), 448 states have call predecessors, (2855), 442 states have return successors, (2867), 2758 states have call predecessors, (2867), 2852 states have call successors, (2867) [2024-12-02 13:30:46,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10395 states to 10395 states and 15116 transitions. [2024-12-02 13:30:46,460 INFO L78 Accepts]: Start accepts. Automaton has 10395 states and 15116 transitions. Word has length 79 [2024-12-02 13:30:46,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:30:46,461 INFO L471 AbstractCegarLoop]: Abstraction has 10395 states and 15116 transitions. [2024-12-02 13:30:46,461 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, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-12-02 13:30:46,461 INFO L276 IsEmpty]: Start isEmpty. Operand 10395 states and 15116 transitions. [2024-12-02 13:30:46,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 13:30:46,462 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:30:46,462 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:30:46,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 13:30:46,463 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:30:46,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:30:46,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1001042877, now seen corresponding path program 1 times [2024-12-02 13:30:46,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:30:46,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967246109] [2024-12-02 13:30:46,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:30:46,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:30:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:30:51,263 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-12-02 13:30:51,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:30:51,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967246109] [2024-12-02 13:30:51,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967246109] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:30:51,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:30:51,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:30:51,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130279480] [2024-12-02 13:30:51,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:30:51,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:30:51,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:30:51,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:30:51,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:30:51,267 INFO L87 Difference]: Start difference. First operand 10395 states and 15116 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:30:51,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:30:51,580 INFO L93 Difference]: Finished difference Result 20736 states and 30170 transitions. [2024-12-02 13:30:51,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:30:51,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 107 [2024-12-02 13:30:51,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:30:51,634 INFO L225 Difference]: With dead ends: 20736 [2024-12-02 13:30:51,634 INFO L226 Difference]: Without dead ends: 10395 [2024-12-02 13:30:51,666 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 13:30:51,667 INFO L435 NwaCegarLoop]: 3105 mSDtfsCounter, 0 mSDsluCounter, 3099 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6204 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:30:51,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6204 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:30:51,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10395 states. [2024-12-02 13:30:52,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10395 to 10395. [2024-12-02 13:30:52,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10395 states, 7095 states have (on average 1.3229034531360113) internal successors, (9386), 7301 states have internal predecessors, (9386), 2855 states have call successors, (2855), 448 states have call predecessors, (2855), 442 states have return successors, (2867), 2758 states have call predecessors, (2867), 2852 states have call successors, (2867) [2024-12-02 13:30:52,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10395 states to 10395 states and 15108 transitions. [2024-12-02 13:30:52,181 INFO L78 Accepts]: Start accepts. Automaton has 10395 states and 15108 transitions. Word has length 107 [2024-12-02 13:30:52,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:30:52,182 INFO L471 AbstractCegarLoop]: Abstraction has 10395 states and 15108 transitions. [2024-12-02 13:30:52,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 13:30:52,183 INFO L276 IsEmpty]: Start isEmpty. Operand 10395 states and 15108 transitions. [2024-12-02 13:30:52,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 13:30:52,185 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:30:52,185 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:30:52,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 13:30:52,185 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:30:52,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:30:52,186 INFO L85 PathProgramCache]: Analyzing trace with hash 838403853, now seen corresponding path program 1 times [2024-12-02 13:30:52,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:30:52,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464409352] [2024-12-02 13:30:52,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:30:52,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:30:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:30:56,608 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 13:30:56,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:30:56,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464409352] [2024-12-02 13:30:56,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464409352] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:30:56,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:30:56,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:30:56,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768015468] [2024-12-02 13:30:56,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:30:56,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:30:56,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:30:56,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:30:56,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:30:56,611 INFO L87 Difference]: Start difference. First operand 10395 states and 15108 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 13:31:00,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:31:01,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:31:01,294 INFO L93 Difference]: Finished difference Result 30704 states and 44715 transitions. [2024-12-02 13:31:01,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:31:01,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 123 [2024-12-02 13:31:01,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:31:01,513 INFO L225 Difference]: With dead ends: 30704 [2024-12-02 13:31:01,513 INFO L226 Difference]: Without dead ends: 20363 [2024-12-02 13:31:01,570 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 13:31:01,571 INFO L435 NwaCegarLoop]: 3218 mSDtfsCounter, 3039 mSDsluCounter, 3080 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3039 SdHoareTripleChecker+Valid, 6298 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:31:01,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3039 Valid, 6298 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 13:31:01,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20363 states. [2024-12-02 13:31:02,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20363 to 20341. [2024-12-02 13:31:02,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20341 states, 13884 states have (on average 1.3262748487467588) internal successors, (18414), 14274 states have internal predecessors, (18414), 5595 states have call successors, (5595), 870 states have call predecessors, (5595), 859 states have return successors, (5622), 5422 states have call predecessors, (5622), 5592 states have call successors, (5622) [2024-12-02 13:31:02,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20341 states to 20341 states and 29631 transitions. [2024-12-02 13:31:02,785 INFO L78 Accepts]: Start accepts. Automaton has 20341 states and 29631 transitions. Word has length 123 [2024-12-02 13:31:02,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:31:02,786 INFO L471 AbstractCegarLoop]: Abstraction has 20341 states and 29631 transitions. [2024-12-02 13:31:02,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 13:31:02,786 INFO L276 IsEmpty]: Start isEmpty. Operand 20341 states and 29631 transitions. [2024-12-02 13:31:02,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 13:31:02,787 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:31:02,788 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:31:02,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 13:31:02,788 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:31:02,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:31:02,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1261105679, now seen corresponding path program 1 times [2024-12-02 13:31:02,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:31:02,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283149056] [2024-12-02 13:31:02,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:31:02,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:31:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:31:07,989 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-12-02 13:31:07,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:31:07,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283149056] [2024-12-02 13:31:07,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283149056] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:31:07,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:31:07,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:31:07,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012297292] [2024-12-02 13:31:07,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:31:07,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:31:07,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:31:07,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:31:07,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:31:07,991 INFO L87 Difference]: Start difference. First operand 20341 states and 29631 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 13:31:08,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:31:08,824 INFO L93 Difference]: Finished difference Result 20347 states and 29636 transitions. [2024-12-02 13:31:08,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:31:08,824 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 123 [2024-12-02 13:31:08,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:31:08,913 INFO L225 Difference]: With dead ends: 20347 [2024-12-02 13:31:08,913 INFO L226 Difference]: Without dead ends: 20345 [2024-12-02 13:31:08,925 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 13:31:08,926 INFO L435 NwaCegarLoop]: 3103 mSDtfsCounter, 3066 mSDsluCounter, 6193 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3067 SdHoareTripleChecker+Valid, 9296 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:31:08,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3067 Valid, 9296 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:31:08,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20345 states. [2024-12-02 13:31:09,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20345 to 20345. [2024-12-02 13:31:09,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20345 states, 13887 states have (on average 1.326204363793476) internal successors, (18417), 14277 states have internal predecessors, (18417), 5595 states have call successors, (5595), 871 states have call predecessors, (5595), 860 states have return successors, (5622), 5422 states have call predecessors, (5622), 5592 states have call successors, (5622) [2024-12-02 13:31:09,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20345 states to 20345 states and 29634 transitions. [2024-12-02 13:31:09,878 INFO L78 Accepts]: Start accepts. Automaton has 20345 states and 29634 transitions. Word has length 123 [2024-12-02 13:31:09,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:31:09,879 INFO L471 AbstractCegarLoop]: Abstraction has 20345 states and 29634 transitions. [2024-12-02 13:31:09,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 13:31:09,879 INFO L276 IsEmpty]: Start isEmpty. Operand 20345 states and 29634 transitions. [2024-12-02 13:31:09,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 13:31:09,882 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:31:09,882 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 4, 4, 4, 4, 4, 4, 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] [2024-12-02 13:31:09,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 13:31:09,882 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:31:09,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:31:09,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1208064781, now seen corresponding path program 1 times [2024-12-02 13:31:09,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:31:09,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606314805] [2024-12-02 13:31:09,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:31:09,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:31:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:31:14,777 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-12-02 13:31:14,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:31:14,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606314805] [2024-12-02 13:31:14,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606314805] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:31:14,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:31:14,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:31:14,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599249172] [2024-12-02 13:31:14,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:31:14,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:31:14,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:31:14,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:31:14,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:31:14,779 INFO L87 Difference]: Start difference. First operand 20345 states and 29634 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 13:31:16,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:31:16,030 INFO L93 Difference]: Finished difference Result 20351 states and 29639 transitions. [2024-12-02 13:31:16,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:31:16,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 128 [2024-12-02 13:31:16,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:31:16,144 INFO L225 Difference]: With dead ends: 20351 [2024-12-02 13:31:16,144 INFO L226 Difference]: Without dead ends: 20349 [2024-12-02 13:31:16,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:31:16,164 INFO L435 NwaCegarLoop]: 3106 mSDtfsCounter, 3062 mSDsluCounter, 6194 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3063 SdHoareTripleChecker+Valid, 9300 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:31:16,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3063 Valid, 9300 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:31:16,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20349 states. [2024-12-02 13:31:17,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20349 to 20349. [2024-12-02 13:31:17,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20349 states, 13890 states have (on average 1.326133909287257) internal successors, (18420), 14280 states have internal predecessors, (18420), 5595 states have call successors, (5595), 872 states have call predecessors, (5595), 861 states have return successors, (5622), 5422 states have call predecessors, (5622), 5592 states have call successors, (5622) [2024-12-02 13:31:17,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20349 states to 20349 states and 29637 transitions. [2024-12-02 13:31:17,156 INFO L78 Accepts]: Start accepts. Automaton has 20349 states and 29637 transitions. Word has length 128 [2024-12-02 13:31:17,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:31:17,157 INFO L471 AbstractCegarLoop]: Abstraction has 20349 states and 29637 transitions. [2024-12-02 13:31:17,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 13:31:17,157 INFO L276 IsEmpty]: Start isEmpty. Operand 20349 states and 29637 transitions. [2024-12-02 13:31:17,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 13:31:17,159 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:31:17,160 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:31:17,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 13:31:17,160 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:31:17,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:31:17,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1084225679, now seen corresponding path program 1 times [2024-12-02 13:31:17,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:31:17,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487352331] [2024-12-02 13:31:17,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:31:17,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:31:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:31:21,370 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-12-02 13:31:21,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:31:21,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487352331] [2024-12-02 13:31:21,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487352331] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:31:21,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:31:21,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:31:21,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449958451] [2024-12-02 13:31:21,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:31:21,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:31:21,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:31:21,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:31:21,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:31:21,372 INFO L87 Difference]: Start difference. First operand 20349 states and 29637 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 13:31:22,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:31:22,141 INFO L93 Difference]: Finished difference Result 20355 states and 29642 transitions. [2024-12-02 13:31:22,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:31:22,142 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 133 [2024-12-02 13:31:22,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:31:22,219 INFO L225 Difference]: With dead ends: 20355 [2024-12-02 13:31:22,219 INFO L226 Difference]: Without dead ends: 20353 [2024-12-02 13:31:22,232 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 13:31:22,233 INFO L435 NwaCegarLoop]: 3106 mSDtfsCounter, 3061 mSDsluCounter, 6194 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3062 SdHoareTripleChecker+Valid, 9300 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:31:22,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3062 Valid, 9300 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:31:22,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20353 states. [2024-12-02 13:31:22,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20353 to 20353. [2024-12-02 13:31:22,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20353 states, 13893 states have (on average 1.3260634852083784) internal successors, (18423), 14283 states have internal predecessors, (18423), 5595 states have call successors, (5595), 873 states have call predecessors, (5595), 862 states have return successors, (5622), 5422 states have call predecessors, (5622), 5592 states have call successors, (5622) [2024-12-02 13:31:23,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20353 states to 20353 states and 29640 transitions. [2024-12-02 13:31:23,040 INFO L78 Accepts]: Start accepts. Automaton has 20353 states and 29640 transitions. Word has length 133 [2024-12-02 13:31:23,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:31:23,040 INFO L471 AbstractCegarLoop]: Abstraction has 20353 states and 29640 transitions. [2024-12-02 13:31:23,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 13:31:23,041 INFO L276 IsEmpty]: Start isEmpty. Operand 20353 states and 29640 transitions. [2024-12-02 13:31:23,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-02 13:31:23,043 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:31:23,043 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:31:23,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 13:31:23,043 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:31:23,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:31:23,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1956195315, now seen corresponding path program 1 times [2024-12-02 13:31:23,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:31:23,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491867749] [2024-12-02 13:31:23,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:31:23,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:31:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:31:27,526 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-12-02 13:31:27,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:31:27,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491867749] [2024-12-02 13:31:27,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491867749] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:31:27,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:31:27,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:31:27,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502839094] [2024-12-02 13:31:27,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:31:27,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:31:27,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:31:27,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:31:27,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:31:27,529 INFO L87 Difference]: Start difference. First operand 20353 states and 29640 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 13:31:28,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:31:28,424 INFO L93 Difference]: Finished difference Result 20359 states and 29645 transitions. [2024-12-02 13:31:28,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:31:28,425 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 138 [2024-12-02 13:31:28,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:31:28,518 INFO L225 Difference]: With dead ends: 20359 [2024-12-02 13:31:28,518 INFO L226 Difference]: Without dead ends: 20357 [2024-12-02 13:31:28,531 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 13:31:28,531 INFO L435 NwaCegarLoop]: 3106 mSDtfsCounter, 3060 mSDsluCounter, 6194 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3061 SdHoareTripleChecker+Valid, 9300 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:31:28,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3061 Valid, 9300 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:31:28,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20357 states. [2024-12-02 13:31:29,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20357 to 20357. [2024-12-02 13:31:29,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20357 states, 13896 states have (on average 1.325993091537133) internal successors, (18426), 14286 states have internal predecessors, (18426), 5595 states have call successors, (5595), 874 states have call predecessors, (5595), 863 states have return successors, (5622), 5422 states have call predecessors, (5622), 5592 states have call successors, (5622) [2024-12-02 13:31:29,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20357 states to 20357 states and 29643 transitions. [2024-12-02 13:31:29,414 INFO L78 Accepts]: Start accepts. Automaton has 20357 states and 29643 transitions. Word has length 138 [2024-12-02 13:31:29,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:31:29,415 INFO L471 AbstractCegarLoop]: Abstraction has 20357 states and 29643 transitions. [2024-12-02 13:31:29,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 13:31:29,415 INFO L276 IsEmpty]: Start isEmpty. Operand 20357 states and 29643 transitions. [2024-12-02 13:31:29,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:31:29,417 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:31:29,417 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:31:29,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 13:31:29,417 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:31:29,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:31:29,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1731162353, now seen corresponding path program 1 times [2024-12-02 13:31:29,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:31:29,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404361711] [2024-12-02 13:31:29,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:31:29,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:31:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:31:33,805 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-12-02 13:31:33,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:31:33,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404361711] [2024-12-02 13:31:33,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404361711] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:31:33,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:31:33,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:31:33,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030313871] [2024-12-02 13:31:33,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:31:33,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:31:33,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:31:33,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:31:33,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:31:33,807 INFO L87 Difference]: Start difference. First operand 20357 states and 29643 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:31:34,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:31:34,690 INFO L93 Difference]: Finished difference Result 20363 states and 29648 transitions. [2024-12-02 13:31:34,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:31:34,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 143 [2024-12-02 13:31:34,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:31:34,767 INFO L225 Difference]: With dead ends: 20363 [2024-12-02 13:31:34,767 INFO L226 Difference]: Without dead ends: 20361 [2024-12-02 13:31:34,781 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 13:31:34,781 INFO L435 NwaCegarLoop]: 3106 mSDtfsCounter, 3059 mSDsluCounter, 6194 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3060 SdHoareTripleChecker+Valid, 9300 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:31:34,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3060 Valid, 9300 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:31:34,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20361 states. [2024-12-02 13:31:35,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20361 to 20361. [2024-12-02 13:31:35,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20361 states, 13899 states have (on average 1.3259227282538313) internal successors, (18429), 14289 states have internal predecessors, (18429), 5595 states have call successors, (5595), 875 states have call predecessors, (5595), 864 states have return successors, (5622), 5422 states have call predecessors, (5622), 5592 states have call successors, (5622) [2024-12-02 13:31:35,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20361 states to 20361 states and 29646 transitions. [2024-12-02 13:31:35,690 INFO L78 Accepts]: Start accepts. Automaton has 20361 states and 29646 transitions. Word has length 143 [2024-12-02 13:31:35,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:31:35,691 INFO L471 AbstractCegarLoop]: Abstraction has 20361 states and 29646 transitions. [2024-12-02 13:31:35,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:31:35,691 INFO L276 IsEmpty]: Start isEmpty. Operand 20361 states and 29646 transitions. [2024-12-02 13:31:35,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-02 13:31:35,693 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:31:35,693 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:31:35,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 13:31:35,693 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:31:35,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:31:35,694 INFO L85 PathProgramCache]: Analyzing trace with hash -637330359, now seen corresponding path program 1 times [2024-12-02 13:31:35,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:31:35,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684819128] [2024-12-02 13:31:35,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:31:35,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:31:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:31:39,682 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 13:31:39,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:31:39,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684819128] [2024-12-02 13:31:39,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684819128] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:31:39,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:31:39,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:31:39,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879422636] [2024-12-02 13:31:39,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:31:39,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:31:39,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:31:39,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:31:39,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:31:39,684 INFO L87 Difference]: Start difference. First operand 20361 states and 29646 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 13:31:43,725 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 13:31:45,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:31:45,546 INFO L93 Difference]: Finished difference Result 46270 states and 67297 transitions. [2024-12-02 13:31:45,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:31:45,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 142 [2024-12-02 13:31:45,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:31:45,635 INFO L225 Difference]: With dead ends: 46270 [2024-12-02 13:31:45,635 INFO L226 Difference]: Without dead ends: 25963 [2024-12-02 13:31:45,693 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 13:31:45,693 INFO L435 NwaCegarLoop]: 4892 mSDtfsCounter, 1849 mSDsluCounter, 3036 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1849 SdHoareTripleChecker+Valid, 7928 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 13:31:45,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1849 Valid, 7928 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 75 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 13:31:45,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25963 states. [2024-12-02 13:31:46,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25963 to 25915. [2024-12-02 13:31:46,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25915 states, 17773 states have (on average 1.3245372193777079) internal successors, (23541), 18265 states have internal predecessors, (23541), 6987 states have call successors, (6987), 1163 states have call predecessors, (6987), 1152 states have return successors, (7014), 6774 states have call predecessors, (7014), 6984 states have call successors, (7014) [2024-12-02 13:31:46,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25915 states to 25915 states and 37542 transitions. [2024-12-02 13:31:46,794 INFO L78 Accepts]: Start accepts. Automaton has 25915 states and 37542 transitions. Word has length 142 [2024-12-02 13:31:46,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:31:46,795 INFO L471 AbstractCegarLoop]: Abstraction has 25915 states and 37542 transitions. [2024-12-02 13:31:46,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 13:31:46,795 INFO L276 IsEmpty]: Start isEmpty. Operand 25915 states and 37542 transitions. [2024-12-02 13:31:46,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 13:31:46,796 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:31:46,797 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:31:46,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 13:31:46,797 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:31:46,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:31:46,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1563788019, now seen corresponding path program 1 times [2024-12-02 13:31:46,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:31:46,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299416417] [2024-12-02 13:31:46,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:31:46,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:31:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:31:51,463 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 13:31:51,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:31:51,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299416417] [2024-12-02 13:31:51,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299416417] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:31:51,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:31:51,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:31:51,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912916123] [2024-12-02 13:31:51,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:31:51,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:31:51,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:31:51,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:31:51,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:31:51,465 INFO L87 Difference]: Start difference. First operand 25915 states and 37542 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 13:31:52,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:31:52,582 INFO L93 Difference]: Finished difference Result 25921 states and 37547 transitions. [2024-12-02 13:31:52,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:31:52,582 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 148 [2024-12-02 13:31:52,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:31:52,691 INFO L225 Difference]: With dead ends: 25921 [2024-12-02 13:31:52,691 INFO L226 Difference]: Without dead ends: 25919 [2024-12-02 13:31:52,709 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 13:31:52,710 INFO L435 NwaCegarLoop]: 3106 mSDtfsCounter, 3058 mSDsluCounter, 6194 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3059 SdHoareTripleChecker+Valid, 9300 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:31:52,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3059 Valid, 9300 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:31:52,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25919 states. [2024-12-02 13:31:53,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25919 to 25919. [2024-12-02 13:31:53,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25919 states, 17776 states have (on average 1.3244824482448245) internal successors, (23544), 18268 states have internal predecessors, (23544), 6987 states have call successors, (6987), 1164 states have call predecessors, (6987), 1153 states have return successors, (7014), 6774 states have call predecessors, (7014), 6984 states have call successors, (7014) [2024-12-02 13:31:53,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25919 states to 25919 states and 37545 transitions. [2024-12-02 13:31:53,980 INFO L78 Accepts]: Start accepts. Automaton has 25919 states and 37545 transitions. Word has length 148 [2024-12-02 13:31:53,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:31:53,981 INFO L471 AbstractCegarLoop]: Abstraction has 25919 states and 37545 transitions. [2024-12-02 13:31:53,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 13:31:53,981 INFO L276 IsEmpty]: Start isEmpty. Operand 25919 states and 37545 transitions. [2024-12-02 13:31:53,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-12-02 13:31:53,983 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:31:53,983 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:31:53,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 13:31:53,983 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:31:53,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:31:53,984 INFO L85 PathProgramCache]: Analyzing trace with hash -489737924, now seen corresponding path program 1 times [2024-12-02 13:31:53,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:31:53,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312308264] [2024-12-02 13:31:53,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:31:53,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:31:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:31:58,108 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-12-02 13:31:58,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:31:58,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312308264] [2024-12-02 13:31:58,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312308264] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:31:58,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:31:58,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:31:58,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034592190] [2024-12-02 13:31:58,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:31:58,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:31:58,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:31:58,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:31:58,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:31:58,111 INFO L87 Difference]: Start difference. First operand 25919 states and 37545 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 13:31:59,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:31:59,514 INFO L93 Difference]: Finished difference Result 32307 states and 46846 transitions. [2024-12-02 13:31:59,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:31:59,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 171 [2024-12-02 13:31:59,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:31:59,635 INFO L225 Difference]: With dead ends: 32307 [2024-12-02 13:31:59,635 INFO L226 Difference]: Without dead ends: 32305 [2024-12-02 13:31:59,656 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 13:31:59,656 INFO L435 NwaCegarLoop]: 3621 mSDtfsCounter, 2403 mSDsluCounter, 8466 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2404 SdHoareTripleChecker+Valid, 12087 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:31:59,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2404 Valid, 12087 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:31:59,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32305 states. [2024-12-02 13:32:00,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32305 to 32305. [2024-12-02 13:32:00,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32305 states, 22519 states have (on average 1.3398019450242018) internal successors, (30171), 23043 states have internal predecessors, (30171), 8323 states have call successors, (8323), 1471 states have call predecessors, (8323), 1460 states have return successors, (8350), 8110 states have call predecessors, (8350), 8320 states have call successors, (8350) [2024-12-02 13:32:01,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32305 states to 32305 states and 46844 transitions. [2024-12-02 13:32:01,095 INFO L78 Accepts]: Start accepts. Automaton has 32305 states and 46844 transitions. Word has length 171 [2024-12-02 13:32:01,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:32:01,096 INFO L471 AbstractCegarLoop]: Abstraction has 32305 states and 46844 transitions. [2024-12-02 13:32:01,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 13:32:01,096 INFO L276 IsEmpty]: Start isEmpty. Operand 32305 states and 46844 transitions. [2024-12-02 13:32:01,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-12-02 13:32:01,097 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:32:01,098 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:32:01,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 13:32:01,098 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:32:01,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:32:01,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1515889024, now seen corresponding path program 1 times [2024-12-02 13:32:01,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:32:01,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21240008] [2024-12-02 13:32:01,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:32:01,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:32:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:32:05,690 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-12-02 13:32:05,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:32:05,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21240008] [2024-12-02 13:32:05,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21240008] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:32:05,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:32:05,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:32:05,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726761153] [2024-12-02 13:32:05,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:32:05,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:32:05,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:32:05,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:32:05,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:32:05,692 INFO L87 Difference]: Start difference. First operand 32305 states and 46844 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 13:32:07,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:32:07,148 INFO L93 Difference]: Finished difference Result 32311 states and 46849 transitions. [2024-12-02 13:32:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:32:07,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 176 [2024-12-02 13:32:07,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:32:07,257 INFO L225 Difference]: With dead ends: 32311 [2024-12-02 13:32:07,257 INFO L226 Difference]: Without dead ends: 32309 [2024-12-02 13:32:07,273 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 13:32:07,274 INFO L435 NwaCegarLoop]: 3106 mSDtfsCounter, 3045 mSDsluCounter, 6194 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3046 SdHoareTripleChecker+Valid, 9300 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:32:07,274 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3046 Valid, 9300 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:32:07,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32309 states. [2024-12-02 13:32:08,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32309 to 32309. [2024-12-02 13:32:08,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32309 states, 22522 states have (on average 1.3397566823550306) internal successors, (30174), 23046 states have internal predecessors, (30174), 8323 states have call successors, (8323), 1472 states have call predecessors, (8323), 1461 states have return successors, (8350), 8110 states have call predecessors, (8350), 8320 states have call successors, (8350) [2024-12-02 13:32:08,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32309 states to 32309 states and 46847 transitions. [2024-12-02 13:32:08,837 INFO L78 Accepts]: Start accepts. Automaton has 32309 states and 46847 transitions. Word has length 176 [2024-12-02 13:32:08,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:32:08,837 INFO L471 AbstractCegarLoop]: Abstraction has 32309 states and 46847 transitions. [2024-12-02 13:32:08,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 13:32:08,838 INFO L276 IsEmpty]: Start isEmpty. Operand 32309 states and 46847 transitions. [2024-12-02 13:32:08,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 13:32:08,839 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:32:08,839 INFO L218 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:32:08,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 13:32:08,840 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:32:08,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:32:08,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1033137167, now seen corresponding path program 1 times [2024-12-02 13:32:08,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:32:08,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280319384] [2024-12-02 13:32:08,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:32:08,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:32:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:32:13,027 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-12-02 13:32:13,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:32:13,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280319384] [2024-12-02 13:32:13,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280319384] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:32:13,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:32:13,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:32:13,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572666706] [2024-12-02 13:32:13,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:32:13,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:32:13,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:32:13,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:32:13,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:32:13,028 INFO L87 Difference]: Start difference. First operand 32309 states and 46847 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 13:32:14,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:32:14,459 INFO L93 Difference]: Finished difference Result 32315 states and 46852 transitions. [2024-12-02 13:32:14,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:32:14,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 163 [2024-12-02 13:32:14,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:32:14,572 INFO L225 Difference]: With dead ends: 32315 [2024-12-02 13:32:14,572 INFO L226 Difference]: Without dead ends: 32313 [2024-12-02 13:32:14,591 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 13:32:14,592 INFO L435 NwaCegarLoop]: 3106 mSDtfsCounter, 3055 mSDsluCounter, 6194 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3056 SdHoareTripleChecker+Valid, 9300 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:32:14,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3056 Valid, 9300 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:32:14,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32313 states. [2024-12-02 13:32:15,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32313 to 32313. [2024-12-02 13:32:16,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32313 states, 22525 states have (on average 1.3397114317425083) internal successors, (30177), 23049 states have internal predecessors, (30177), 8323 states have call successors, (8323), 1473 states have call predecessors, (8323), 1462 states have return successors, (8350), 8110 states have call predecessors, (8350), 8320 states have call successors, (8350) [2024-12-02 13:32:16,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32313 states to 32313 states and 46850 transitions. [2024-12-02 13:32:16,144 INFO L78 Accepts]: Start accepts. Automaton has 32313 states and 46850 transitions. Word has length 163 [2024-12-02 13:32:16,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:32:16,145 INFO L471 AbstractCegarLoop]: Abstraction has 32313 states and 46850 transitions. [2024-12-02 13:32:16,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 13:32:16,145 INFO L276 IsEmpty]: Start isEmpty. Operand 32313 states and 46850 transitions. [2024-12-02 13:32:16,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-12-02 13:32:16,146 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:32:16,146 INFO L218 NwaCegarLoop]: trace histogram [10, 9, 9, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:32:16,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 13:32:16,147 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:32:16,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:32:16,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1621287155, now seen corresponding path program 1 times [2024-12-02 13:32:16,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:32:16,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120185051] [2024-12-02 13:32:16,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:32:16,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:32:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:32:20,815 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-12-02 13:32:20,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:32:20,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120185051] [2024-12-02 13:32:20,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120185051] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:32:20,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:32:20,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:32:20,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888166120] [2024-12-02 13:32:20,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:32:20,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:32:20,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:32:20,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:32:20,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:32:20,817 INFO L87 Difference]: Start difference. First operand 32313 states and 46850 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 13:32:22,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:32:22,285 INFO L93 Difference]: Finished difference Result 32319 states and 46855 transitions. [2024-12-02 13:32:22,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:32:22,285 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 168 [2024-12-02 13:32:22,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:32:22,491 INFO L225 Difference]: With dead ends: 32319 [2024-12-02 13:32:22,491 INFO L226 Difference]: Without dead ends: 32317 [2024-12-02 13:32:22,499 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 13:32:22,500 INFO L435 NwaCegarLoop]: 3106 mSDtfsCounter, 3054 mSDsluCounter, 6194 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3055 SdHoareTripleChecker+Valid, 9300 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:32:22,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3055 Valid, 9300 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:32:22,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32317 states. [2024-12-02 13:32:23,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32317 to 32317. [2024-12-02 13:32:23,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32317 states, 22528 states have (on average 1.3396661931818181) internal successors, (30180), 23052 states have internal predecessors, (30180), 8323 states have call successors, (8323), 1474 states have call predecessors, (8323), 1463 states have return successors, (8350), 8110 states have call predecessors, (8350), 8320 states have call successors, (8350) [2024-12-02 13:32:23,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32317 states to 32317 states and 46853 transitions. [2024-12-02 13:32:23,976 INFO L78 Accepts]: Start accepts. Automaton has 32317 states and 46853 transitions. Word has length 168 [2024-12-02 13:32:23,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:32:23,977 INFO L471 AbstractCegarLoop]: Abstraction has 32317 states and 46853 transitions. [2024-12-02 13:32:23,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 13:32:23,977 INFO L276 IsEmpty]: Start isEmpty. Operand 32317 states and 46853 transitions. [2024-12-02 13:32:23,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-12-02 13:32:23,979 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:32:23,979 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:32:23,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 13:32:23,980 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:32:23,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:32:23,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1967148401, now seen corresponding path program 1 times [2024-12-02 13:32:23,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:32:23,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672838427] [2024-12-02 13:32:23,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:32:23,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:32:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:32:28,459 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-12-02 13:32:28,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:32:28,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672838427] [2024-12-02 13:32:28,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672838427] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:32:28,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:32:28,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:32:28,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090943511] [2024-12-02 13:32:28,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:32:28,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:32:28,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:32:28,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:32:28,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:32:28,462 INFO L87 Difference]: Start difference. First operand 32317 states and 46853 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 13:32:30,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:32:30,126 INFO L93 Difference]: Finished difference Result 32323 states and 46858 transitions. [2024-12-02 13:32:30,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:32:30,127 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 173 [2024-12-02 13:32:30,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:32:30,235 INFO L225 Difference]: With dead ends: 32323 [2024-12-02 13:32:30,235 INFO L226 Difference]: Without dead ends: 32319 [2024-12-02 13:32:30,252 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 13:32:30,252 INFO L435 NwaCegarLoop]: 3106 mSDtfsCounter, 3053 mSDsluCounter, 6194 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3054 SdHoareTripleChecker+Valid, 9300 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:32:30,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3054 Valid, 9300 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:32:30,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32319 states. [2024-12-02 13:32:31,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32319 to 32319. [2024-12-02 13:32:32,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32319 states, 22530 states have (on average 1.3395916555703506) internal successors, (30181), 23053 states have internal predecessors, (30181), 8323 states have call successors, (8323), 1475 states have call predecessors, (8323), 1463 states have return successors, (8350), 8110 states have call predecessors, (8350), 8320 states have call successors, (8350) [2024-12-02 13:32:32,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32319 states to 32319 states and 46854 transitions. [2024-12-02 13:32:32,128 INFO L78 Accepts]: Start accepts. Automaton has 32319 states and 46854 transitions. Word has length 173 [2024-12-02 13:32:32,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:32:32,128 INFO L471 AbstractCegarLoop]: Abstraction has 32319 states and 46854 transitions. [2024-12-02 13:32:32,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 13:32:32,128 INFO L276 IsEmpty]: Start isEmpty. Operand 32319 states and 46854 transitions. [2024-12-02 13:32:32,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-12-02 13:32:32,130 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:32:32,130 INFO L218 NwaCegarLoop]: trace histogram [12, 11, 11, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:32:32,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 13:32:32,131 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:32:32,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:32:32,131 INFO L85 PathProgramCache]: Analyzing trace with hash 586422285, now seen corresponding path program 1 times [2024-12-02 13:32:32,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:32:32,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424230234] [2024-12-02 13:32:32,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:32:32,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:32:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:32:36,313 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-12-02 13:32:36,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:32:36,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424230234] [2024-12-02 13:32:36,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424230234] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:32:36,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:32:36,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:32:36,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624826932] [2024-12-02 13:32:36,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:32:36,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:32:36,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:32:36,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:32:36,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:32:36,315 INFO L87 Difference]: Start difference. First operand 32319 states and 46854 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (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 13:32:37,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:32:37,938 INFO L93 Difference]: Finished difference Result 32319 states and 46854 transitions. [2024-12-02 13:32:37,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:32:37,938 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (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 178 [2024-12-02 13:32:37,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:32:38,033 INFO L225 Difference]: With dead ends: 32319 [2024-12-02 13:32:38,034 INFO L226 Difference]: Without dead ends: 32095 [2024-12-02 13:32:38,046 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 13:32:38,046 INFO L435 NwaCegarLoop]: 3104 mSDtfsCounter, 3049 mSDsluCounter, 6192 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3049 SdHoareTripleChecker+Valid, 9296 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:32:38,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3049 Valid, 9296 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:32:38,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32095 states. [2024-12-02 13:32:39,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32095 to 32095. [2024-12-02 13:32:39,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32095 states, 22388 states have (on average 1.3396909058424156) internal successors, (29993), 22887 states have internal predecessors, (29993), 8256 states have call successors, (8256), 1459 states have call predecessors, (8256), 1449 states have return successors, (8286), 8068 states have call predecessors, (8286), 8256 states have call successors, (8286) [2024-12-02 13:32:39,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32095 states to 32095 states and 46535 transitions. [2024-12-02 13:32:39,791 INFO L78 Accepts]: Start accepts. Automaton has 32095 states and 46535 transitions. Word has length 178 [2024-12-02 13:32:39,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:32:39,791 INFO L471 AbstractCegarLoop]: Abstraction has 32095 states and 46535 transitions. [2024-12-02 13:32:39,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (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 13:32:39,791 INFO L276 IsEmpty]: Start isEmpty. Operand 32095 states and 46535 transitions. [2024-12-02 13:32:39,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-12-02 13:32:39,792 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:32:39,793 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 8, 8, 8, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:32:39,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 13:32:39,793 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:32:39,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:32:39,793 INFO L85 PathProgramCache]: Analyzing trace with hash 867354455, now seen corresponding path program 1 times [2024-12-02 13:32:39,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:32:39,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316125740] [2024-12-02 13:32:39,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:32:39,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:32:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:32:44,081 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-12-02 13:32:44,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:32:44,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316125740] [2024-12-02 13:32:44,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316125740] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:32:44,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:32:44,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:32:44,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982712060] [2024-12-02 13:32:44,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:32:44,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:32:44,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:32:44,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:32:44,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:32:44,083 INFO L87 Difference]: Start difference. First operand 32095 states and 46535 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-02 13:32:46,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:32:46,846 INFO L93 Difference]: Finished difference Result 75394 states and 109396 transitions. [2024-12-02 13:32:46,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:32:46,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 216 [2024-12-02 13:32:46,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:32:46,992 INFO L225 Difference]: With dead ends: 75394 [2024-12-02 13:32:46,992 INFO L226 Difference]: Without dead ends: 43353 [2024-12-02 13:32:47,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:32:47,075 INFO L435 NwaCegarLoop]: 3359 mSDtfsCounter, 3010 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3010 SdHoareTripleChecker+Valid, 5324 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:32:47,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3010 Valid, 5324 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 13:32:47,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43353 states. [2024-12-02 13:32:49,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43353 to 43345. [2024-12-02 13:32:49,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43345 states, 30364 states have (on average 1.3448491634830722) internal successors, (40835), 31015 states have internal predecessors, (40835), 11022 states have call successors, (11022), 1977 states have call predecessors, (11022), 1957 states have return successors, (11052), 10780 states have call predecessors, (11052), 11022 states have call successors, (11052) [2024-12-02 13:32:49,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43345 states to 43345 states and 62909 transitions. [2024-12-02 13:32:49,591 INFO L78 Accepts]: Start accepts. Automaton has 43345 states and 62909 transitions. Word has length 216 [2024-12-02 13:32:49,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:32:49,592 INFO L471 AbstractCegarLoop]: Abstraction has 43345 states and 62909 transitions. [2024-12-02 13:32:49,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-02 13:32:49,592 INFO L276 IsEmpty]: Start isEmpty. Operand 43345 states and 62909 transitions. [2024-12-02 13:32:49,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-12-02 13:32:49,594 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:32:49,594 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 13:32:49,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 13:32:49,594 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:32:49,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:32:49,595 INFO L85 PathProgramCache]: Analyzing trace with hash -875052626, now seen corresponding path program 1 times [2024-12-02 13:32:49,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:32:49,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551699312] [2024-12-02 13:32:49,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:32:49,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:32:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:32:54,102 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-12-02 13:32:54,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:32:54,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551699312] [2024-12-02 13:32:54,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551699312] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:32:54,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:32:54,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:32:54,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860507052] [2024-12-02 13:32:54,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:32:54,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:32:54,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:32:54,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:32:54,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:32:54,103 INFO L87 Difference]: Start difference. First operand 43345 states and 62909 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 13:32:58,160 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 13:33:01,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:01,196 INFO L93 Difference]: Finished difference Result 93675 states and 135903 transitions. [2024-12-02 13:33:01,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:33:01,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 243 [2024-12-02 13:33:01,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:01,379 INFO L225 Difference]: With dead ends: 93675 [2024-12-02 13:33:01,379 INFO L226 Difference]: Without dead ends: 50341 [2024-12-02 13:33:01,496 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 13:33:01,497 INFO L435 NwaCegarLoop]: 4852 mSDtfsCounter, 1803 mSDsluCounter, 2997 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1803 SdHoareTripleChecker+Valid, 7849 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:01,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1803 Valid, 7849 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 13:33:01,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50341 states. [2024-12-02 13:33:04,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50341 to 50333. [2024-12-02 13:33:04,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50333 states, 35317 states have (on average 1.344366735566441) internal successors, (47479), 36070 states have internal predecessors, (47479), 12703 states have call successors, (12703), 2331 states have call predecessors, (12703), 2311 states have return successors, (12733), 12429 states have call predecessors, (12733), 12703 states have call successors, (12733) [2024-12-02 13:33:04,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50333 states to 50333 states and 72915 transitions. [2024-12-02 13:33:04,418 INFO L78 Accepts]: Start accepts. Automaton has 50333 states and 72915 transitions. Word has length 243 [2024-12-02 13:33:04,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:04,419 INFO L471 AbstractCegarLoop]: Abstraction has 50333 states and 72915 transitions. [2024-12-02 13:33:04,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 13:33:04,419 INFO L276 IsEmpty]: Start isEmpty. Operand 50333 states and 72915 transitions. [2024-12-02 13:33:04,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-12-02 13:33:04,422 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:04,422 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 13:33:04,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 13:33:04,422 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:33:04,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:04,422 INFO L85 PathProgramCache]: Analyzing trace with hash -314352848, now seen corresponding path program 1 times [2024-12-02 13:33:04,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:04,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262897894] [2024-12-02 13:33:04,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:04,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:08,134 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-12-02 13:33:08,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:08,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262897894] [2024-12-02 13:33:08,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262897894] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:08,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:08,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:33:08,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797181166] [2024-12-02 13:33:08,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:08,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:33:08,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:08,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:33:08,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:33:08,136 INFO L87 Difference]: Start difference. First operand 50333 states and 72915 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 13:33:12,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:33:16,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:16,088 INFO L93 Difference]: Finished difference Result 114122 states and 165660 transitions. [2024-12-02 13:33:16,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:33:16,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 243 [2024-12-02 13:33:16,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:16,324 INFO L225 Difference]: With dead ends: 114122 [2024-12-02 13:33:16,324 INFO L226 Difference]: Without dead ends: 63843 [2024-12-02 13:33:16,461 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 13:33:16,465 INFO L435 NwaCegarLoop]: 5251 mSDtfsCounter, 2773 mSDsluCounter, 2484 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2773 SdHoareTripleChecker+Valid, 7735 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:16,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2773 Valid, 7735 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 13:33:16,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63843 states. [2024-12-02 13:33:20,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63843 to 63835. [2024-12-02 13:33:20,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63835 states, 44595 states have (on average 1.3453974660836416) internal successors, (59998), 45566 states have internal predecessors, (59998), 16335 states have call successors, (16335), 2923 states have call predecessors, (16335), 2903 states have return successors, (16365), 15981 states have call predecessors, (16365), 16335 states have call successors, (16365) [2024-12-02 13:33:21,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63835 states to 63835 states and 92698 transitions. [2024-12-02 13:33:21,239 INFO L78 Accepts]: Start accepts. Automaton has 63835 states and 92698 transitions. Word has length 243 [2024-12-02 13:33:21,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:21,239 INFO L471 AbstractCegarLoop]: Abstraction has 63835 states and 92698 transitions. [2024-12-02 13:33:21,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 13:33:21,240 INFO L276 IsEmpty]: Start isEmpty. Operand 63835 states and 92698 transitions. [2024-12-02 13:33:21,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-12-02 13:33:21,244 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:21,244 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:33:21,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 13:33:21,245 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:33:21,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:21,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1758947473, now seen corresponding path program 1 times [2024-12-02 13:33:21,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:21,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072321724] [2024-12-02 13:33:21,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:21,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:25,166 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2024-12-02 13:33:25,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:25,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072321724] [2024-12-02 13:33:25,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072321724] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:25,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:25,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:33:25,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492147440] [2024-12-02 13:33:25,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:25,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:33:25,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:25,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:33:25,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:33:25,167 INFO L87 Difference]: Start difference. First operand 63835 states and 92698 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-12-02 13:33:29,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:33:33,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:33,543 INFO L93 Difference]: Finished difference Result 134636 states and 195472 transitions. [2024-12-02 13:33:33,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:33:33,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 297 [2024-12-02 13:33:33,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:33,812 INFO L225 Difference]: With dead ends: 134636 [2024-12-02 13:33:33,812 INFO L226 Difference]: Without dead ends: 70869 [2024-12-02 13:33:33,983 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 13:33:33,983 INFO L435 NwaCegarLoop]: 4698 mSDtfsCounter, 1803 mSDsluCounter, 2996 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1803 SdHoareTripleChecker+Valid, 7694 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:33,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1803 Valid, 7694 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 13:33:34,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70869 states. [2024-12-02 13:33:37,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70869 to 70861. [2024-12-02 13:33:37,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70861 states, 49587 states have (on average 1.3449492810615686) internal successors, (66692), 50660 states have internal predecessors, (66692), 18019 states have call successors, (18019), 3273 states have call predecessors, (18019), 3253 states have return successors, (18049), 17633 states have call predecessors, (18049), 18019 states have call successors, (18049) [2024-12-02 13:33:38,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70861 states to 70861 states and 102760 transitions. [2024-12-02 13:33:38,153 INFO L78 Accepts]: Start accepts. Automaton has 70861 states and 102760 transitions. Word has length 297 [2024-12-02 13:33:38,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:38,153 INFO L471 AbstractCegarLoop]: Abstraction has 70861 states and 102760 transitions. [2024-12-02 13:33:38,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-12-02 13:33:38,153 INFO L276 IsEmpty]: Start isEmpty. Operand 70861 states and 102760 transitions. [2024-12-02 13:33:38,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-12-02 13:33:38,157 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:38,157 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:33:38,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 13:33:38,157 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:33:38,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:38,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1198247695, now seen corresponding path program 1 times [2024-12-02 13:33:38,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:38,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727088859] [2024-12-02 13:33:38,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:38,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:43,591 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2024-12-02 13:33:43,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:43,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727088859] [2024-12-02 13:33:43,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727088859] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:43,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:43,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:33:43,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527244831] [2024-12-02 13:33:43,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:43,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:33:43,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:43,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:33:43,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:33:43,592 INFO L87 Difference]: Start difference. First operand 70861 states and 102760 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-12-02 13:33:47,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:33:52,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:52,499 INFO L93 Difference]: Finished difference Result 148784 states and 215716 transitions. [2024-12-02 13:33:52,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:33:52,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 297 [2024-12-02 13:33:52,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:52,812 INFO L225 Difference]: With dead ends: 148784 [2024-12-02 13:33:52,813 INFO L226 Difference]: Without dead ends: 77991 [2024-12-02 13:33:53,022 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 13:33:53,023 INFO L435 NwaCegarLoop]: 4852 mSDtfsCounter, 1816 mSDsluCounter, 2997 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1816 SdHoareTripleChecker+Valid, 7849 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:53,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1816 Valid, 7849 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 69 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 13:33:53,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77991 states. [2024-12-02 13:33:57,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77991 to 77983. [2024-12-02 13:33:57,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77983 states, 54659 states have (on average 1.3443714667300901) internal successors, (73482), 55834 states have internal predecessors, (73482), 19711 states have call successors, (19711), 3631 states have call predecessors, (19711), 3611 states have return successors, (19741), 19293 states have call predecessors, (19741), 19711 states have call successors, (19741) [2024-12-02 13:33:58,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77983 states to 77983 states and 112934 transitions. [2024-12-02 13:33:58,106 INFO L78 Accepts]: Start accepts. Automaton has 77983 states and 112934 transitions. Word has length 297 [2024-12-02 13:33:58,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:58,107 INFO L471 AbstractCegarLoop]: Abstraction has 77983 states and 112934 transitions. [2024-12-02 13:33:58,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-12-02 13:33:58,107 INFO L276 IsEmpty]: Start isEmpty. Operand 77983 states and 112934 transitions. [2024-12-02 13:33:58,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2024-12-02 13:33:58,110 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:58,111 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:33:58,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 13:33:58,111 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:33:58,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:58,111 INFO L85 PathProgramCache]: Analyzing trace with hash -135628208, now seen corresponding path program 1 times [2024-12-02 13:33:58,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:58,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69617938] [2024-12-02 13:33:58,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:58,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:34:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:02,885 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2024-12-02 13:34:02,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:34:02,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69617938] [2024-12-02 13:34:02,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69617938] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:02,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:02,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:34:02,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970603286] [2024-12-02 13:34:02,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:02,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:34:02,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:34:02,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:34:02,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:34:02,887 INFO L87 Difference]: Start difference. First operand 77983 states and 112934 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 13:34:06,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:06,635 INFO L93 Difference]: Finished difference Result 77983 states and 112934 transitions. [2024-12-02 13:34:06,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:34:06,635 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 311 [2024-12-02 13:34:06,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:06,923 INFO L225 Difference]: With dead ends: 77983 [2024-12-02 13:34:06,923 INFO L226 Difference]: Without dead ends: 77981 [2024-12-02 13:34:06,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 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 13:34:06,953 INFO L435 NwaCegarLoop]: 3568 mSDtfsCounter, 2311 mSDsluCounter, 8377 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2312 SdHoareTripleChecker+Valid, 11945 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:06,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2312 Valid, 11945 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:34:07,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77981 states. [2024-12-02 13:34:12,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77981 to 77981. [2024-12-02 13:34:12,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77981 states, 54658 states have (on average 1.3433898057009037) internal successors, (73427), 55832 states have internal predecessors, (73427), 19711 states have call successors, (19711), 3631 states have call predecessors, (19711), 3611 states have return successors, (19741), 19293 states have call predecessors, (19741), 19711 states have call successors, (19741) [2024-12-02 13:34:13,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77981 states to 77981 states and 112879 transitions. [2024-12-02 13:34:13,441 INFO L78 Accepts]: Start accepts. Automaton has 77981 states and 112879 transitions. Word has length 311 [2024-12-02 13:34:13,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:13,441 INFO L471 AbstractCegarLoop]: Abstraction has 77981 states and 112879 transitions. [2024-12-02 13:34:13,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 13:34:13,442 INFO L276 IsEmpty]: Start isEmpty. Operand 77981 states and 112879 transitions. [2024-12-02 13:34:13,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-12-02 13:34:13,450 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:13,450 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 12, 12, 12, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:34:13,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 13:34:13,451 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:34:13,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:13,451 INFO L85 PathProgramCache]: Analyzing trace with hash -133622877, now seen corresponding path program 1 times [2024-12-02 13:34:13,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:34:13,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256997805] [2024-12-02 13:34:13,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:13,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:34:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:17,593 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2024-12-02 13:34:17,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:34:17,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256997805] [2024-12-02 13:34:17,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256997805] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:17,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:17,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:34:17,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621832911] [2024-12-02 13:34:17,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:17,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:34:17,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:34:17,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:34:17,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:34:17,595 INFO L87 Difference]: Start difference. First operand 77981 states and 112879 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-12-02 13:34:21,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:21,778 INFO L93 Difference]: Finished difference Result 156202 states and 226507 transitions. [2024-12-02 13:34:21,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:34:21,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 401 [2024-12-02 13:34:21,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:22,161 INFO L225 Difference]: With dead ends: 156202 [2024-12-02 13:34:22,161 INFO L226 Difference]: Without dead ends: 78289 [2024-12-02 13:34:22,378 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 13:34:22,379 INFO L435 NwaCegarLoop]: 3050 mSDtfsCounter, 3 mSDsluCounter, 3045 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 6095 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:22,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 6095 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:34:22,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78289 states. [2024-12-02 13:34:26,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78289 to 78069. [2024-12-02 13:34:26,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78069 states, 54746 states have (on average 1.3428378329010338) internal successors, (73515), 55920 states have internal predecessors, (73515), 19711 states have call successors, (19711), 3631 states have call predecessors, (19711), 3611 states have return successors, (19741), 19293 states have call predecessors, (19741), 19711 states have call successors, (19741) [2024-12-02 13:34:26,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78069 states to 78069 states and 112967 transitions. [2024-12-02 13:34:26,943 INFO L78 Accepts]: Start accepts. Automaton has 78069 states and 112967 transitions. Word has length 401 [2024-12-02 13:34:26,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:26,943 INFO L471 AbstractCegarLoop]: Abstraction has 78069 states and 112967 transitions. [2024-12-02 13:34:26,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-12-02 13:34:26,944 INFO L276 IsEmpty]: Start isEmpty. Operand 78069 states and 112967 transitions. [2024-12-02 13:34:26,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2024-12-02 13:34:26,953 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:26,953 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 12, 12, 12, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:34:26,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 13:34:26,954 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:34:26,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:26,954 INFO L85 PathProgramCache]: Analyzing trace with hash 303519391, now seen corresponding path program 1 times [2024-12-02 13:34:26,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:34:26,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20708887] [2024-12-02 13:34:26,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:26,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:34:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:31,201 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 773 trivial. 0 not checked. [2024-12-02 13:34:31,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:34:31,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20708887] [2024-12-02 13:34:31,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20708887] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:34:31,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493386487] [2024-12-02 13:34:31,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:31,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:34:31,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_458745d6-8e0b-43a3-9b5c-09bb36fad615/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:34:31,205 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_458745d6-8e0b-43a3-9b5c-09bb36fad615/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:34:31,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_458745d6-8e0b-43a3-9b5c-09bb36fad615/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:34:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:37,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 3623 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:34:37,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:37,288 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 731 trivial. 0 not checked. [2024-12-02 13:34:37,289 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:40,366 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 773 trivial. 0 not checked. [2024-12-02 13:34:40,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493386487] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:34:40,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:34:40,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 13:34:40,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376000473] [2024-12-02 13:34:40,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:34:40,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:34:40,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:34:40,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:34:40,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:34:40,368 INFO L87 Difference]: Start difference. First operand 78069 states and 112967 transitions. Second operand has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 7 states have internal predecessors, (157), 5 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (51), 5 states have call predecessors, (51), 5 states have call successors, (51) [2024-12-02 13:34:46,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:46,142 INFO L93 Difference]: Finished difference Result 156994 states and 227651 transitions. [2024-12-02 13:34:46,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:34:46,142 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 7 states have internal predecessors, (157), 5 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (51), 5 states have call predecessors, (51), 5 states have call successors, (51) Word has length 407 [2024-12-02 13:34:46,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:46,608 INFO L225 Difference]: With dead ends: 156994 [2024-12-02 13:34:46,608 INFO L226 Difference]: Without dead ends: 78993 [2024-12-02 13:34:46,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 816 GetRequests, 811 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:34:46,892 INFO L435 NwaCegarLoop]: 3050 mSDtfsCounter, 12 mSDsluCounter, 9129 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 12179 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:46,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 12179 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 13:34:46,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78993 states. [2024-12-02 13:34:51,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78993 to 78993. [2024-12-02 13:34:51,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78993 states, 55406 states have (on average 1.338753925567628) internal successors, (74175), 56580 states have internal predecessors, (74175), 19975 states have call successors, (19975), 3631 states have call predecessors, (19975), 3611 states have return successors, (20005), 19557 states have call predecessors, (20005), 19975 states have call successors, (20005) [2024-12-02 13:34:51,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78993 states to 78993 states and 114155 transitions. [2024-12-02 13:34:51,782 INFO L78 Accepts]: Start accepts. Automaton has 78993 states and 114155 transitions. Word has length 407 [2024-12-02 13:34:51,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:51,783 INFO L471 AbstractCegarLoop]: Abstraction has 78993 states and 114155 transitions. [2024-12-02 13:34:51,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 7 states have internal predecessors, (157), 5 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (51), 5 states have call predecessors, (51), 5 states have call successors, (51) [2024-12-02 13:34:51,783 INFO L276 IsEmpty]: Start isEmpty. Operand 78993 states and 114155 transitions. [2024-12-02 13:34:51,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-12-02 13:34:51,793 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:51,793 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 14, 14, 14, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:34:51,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_458745d6-8e0b-43a3-9b5c-09bb36fad615/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:34:51,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_458745d6-8e0b-43a3-9b5c-09bb36fad615/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-12-02 13:34:51,994 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:34:51,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:51,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1179331399, now seen corresponding path program 1 times [2024-12-02 13:34:51,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:34:51,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982771797] [2024-12-02 13:34:51,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:51,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:34:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:56,216 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2024-12-02 13:34:56,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:34:56,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982771797] [2024-12-02 13:34:56,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982771797] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:56,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:56,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:34:56,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261324376] [2024-12-02 13:34:56,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:56,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:34:56,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:34:56,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:34:56,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:34:56,218 INFO L87 Difference]: Start difference. First operand 78993 states and 114155 transitions. Second operand has 5 states, 5 states have (on average 34.0) internal successors, (170), 4 states have internal predecessors, (170), 3 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 13:35:00,280 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 13:35:05,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:05,971 INFO L93 Difference]: Finished difference Result 165002 states and 238402 transitions. [2024-12-02 13:35:05,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:35:05,971 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.0) internal successors, (170), 4 states have internal predecessors, (170), 3 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) Word has length 404 [2024-12-02 13:35:05,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:06,334 INFO L225 Difference]: With dead ends: 165002 [2024-12-02 13:35:06,334 INFO L226 Difference]: Without dead ends: 86077 [2024-12-02 13:35:06,534 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 13:35:06,534 INFO L435 NwaCegarLoop]: 4825 mSDtfsCounter, 1958 mSDsluCounter, 12624 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1958 SdHoareTripleChecker+Valid, 17449 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:06,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1958 Valid, 17449 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 13:35:06,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86077 states. [2024-12-02 13:35:11,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86077 to 86055. [2024-12-02 13:35:11,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86055 states, 60404 states have (on average 1.3388020660883386) internal successors, (80869), 61680 states have internal predecessors, (80869), 21683 states have call successors, (21683), 3979 states have call predecessors, (21683), 3967 states have return successors, (21721), 21241 states have call predecessors, (21721), 21683 states have call successors, (21721) [2024-12-02 13:35:11,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86055 states to 86055 states and 124273 transitions. [2024-12-02 13:35:11,719 INFO L78 Accepts]: Start accepts. Automaton has 86055 states and 124273 transitions. Word has length 404 [2024-12-02 13:35:11,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:11,720 INFO L471 AbstractCegarLoop]: Abstraction has 86055 states and 124273 transitions. [2024-12-02 13:35:11,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.0) internal successors, (170), 4 states have internal predecessors, (170), 3 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 13:35:11,720 INFO L276 IsEmpty]: Start isEmpty. Operand 86055 states and 124273 transitions. [2024-12-02 13:35:11,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-12-02 13:35:11,730 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:11,731 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 14, 14, 14, 6, 6, 6, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:35:11,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 13:35:11,731 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:35:11,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:11,731 INFO L85 PathProgramCache]: Analyzing trace with hash -770969444, now seen corresponding path program 1 times [2024-12-02 13:35:11,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:11,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026524181] [2024-12-02 13:35:11,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:11,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:16,366 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2024-12-02 13:35:16,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:16,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026524181] [2024-12-02 13:35:16,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026524181] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:16,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:35:16,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:35:16,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645259458] [2024-12-02 13:35:16,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:16,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:35:16,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:16,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:35:16,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:35:16,369 INFO L87 Difference]: Start difference. First operand 86055 states and 124273 transitions. Second operand has 5 states, 5 states have (on average 34.0) internal successors, (170), 4 states have internal predecessors, (170), 3 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 13:35:20,409 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 13:35:27,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:27,707 INFO L93 Difference]: Finished difference Result 179302 states and 258838 transitions. [2024-12-02 13:35:27,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:35:27,708 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.0) internal successors, (170), 4 states have internal predecessors, (170), 3 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) Word has length 404 [2024-12-02 13:35:27,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:28,177 INFO L225 Difference]: With dead ends: 179302 [2024-12-02 13:35:28,177 INFO L226 Difference]: Without dead ends: 93315 [2024-12-02 13:35:28,440 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 13:35:28,441 INFO L435 NwaCegarLoop]: 4856 mSDtfsCounter, 1807 mSDsluCounter, 12692 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1807 SdHoareTripleChecker+Valid, 17548 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:28,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1807 Valid, 17548 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 99 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 13:35:28,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93315 states. [2024-12-02 13:35:33,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93315 to 93293. [2024-12-02 13:35:33,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93293 states, 65530 states have (on average 1.338180985808027) internal successors, (87691), 66908 states have internal predecessors, (87691), 23407 states have call successors, (23407), 4359 states have call predecessors, (23407), 4355 states have return successors, (23453), 22941 states have call predecessors, (23453), 23407 states have call successors, (23453) [2024-12-02 13:35:33,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93293 states to 93293 states and 134551 transitions. [2024-12-02 13:35:34,012 INFO L78 Accepts]: Start accepts. Automaton has 93293 states and 134551 transitions. Word has length 404 [2024-12-02 13:35:34,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:34,012 INFO L471 AbstractCegarLoop]: Abstraction has 93293 states and 134551 transitions. [2024-12-02 13:35:34,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.0) internal successors, (170), 4 states have internal predecessors, (170), 3 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 13:35:34,012 INFO L276 IsEmpty]: Start isEmpty. Operand 93293 states and 134551 transitions. [2024-12-02 13:35:34,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-12-02 13:35:34,023 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:34,023 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 14, 14, 14, 6, 6, 6, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:35:34,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 13:35:34,023 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:35:34,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:34,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1626925616, now seen corresponding path program 1 times [2024-12-02 13:35:34,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:34,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314864973] [2024-12-02 13:35:34,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:34,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:35:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:38,469 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2024-12-02 13:35:38,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:35:38,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314864973] [2024-12-02 13:35:38,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314864973] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:38,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:35:38,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:35:38,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117140755] [2024-12-02 13:35:38,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:38,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:35:38,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:35:38,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:35:38,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:35:38,471 INFO L87 Difference]: Start difference. First operand 93293 states and 134551 transitions. Second operand has 5 states, 5 states have (on average 34.2) internal successors, (171), 4 states have internal predecessors, (171), 3 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 13:35:42,511 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 13:35:49,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:49,283 INFO L93 Difference]: Finished difference Result 193634 states and 279282 transitions. [2024-12-02 13:35:49,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:35:49,283 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 4 states have internal predecessors, (171), 3 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) Word has length 405 [2024-12-02 13:35:49,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:49,780 INFO L225 Difference]: With dead ends: 193634 [2024-12-02 13:35:49,780 INFO L226 Difference]: Without dead ends: 100409 [2024-12-02 13:35:50,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:35:50,036 INFO L435 NwaCegarLoop]: 4852 mSDtfsCounter, 1793 mSDsluCounter, 12693 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1793 SdHoareTripleChecker+Valid, 17545 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:50,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1793 Valid, 17545 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 105 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 13:35:50,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100409 states. [2024-12-02 13:35:57,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100409 to 100387. [2024-12-02 13:35:57,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100387 states, 70568 states have (on average 1.3380710803763745) internal successors, (94425), 72048 states have internal predecessors, (94425), 25115 states have call successors, (25115), 4707 states have call predecessors, (25115), 4703 states have return successors, (25161), 24617 states have call predecessors, (25161), 25115 states have call successors, (25161) [2024-12-02 13:35:57,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100387 states to 100387 states and 144701 transitions. [2024-12-02 13:35:58,018 INFO L78 Accepts]: Start accepts. Automaton has 100387 states and 144701 transitions. Word has length 405 [2024-12-02 13:35:58,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:58,019 INFO L471 AbstractCegarLoop]: Abstraction has 100387 states and 144701 transitions. [2024-12-02 13:35:58,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 4 states have internal predecessors, (171), 3 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 13:35:58,019 INFO L276 IsEmpty]: Start isEmpty. Operand 100387 states and 144701 transitions. [2024-12-02 13:35:58,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2024-12-02 13:35:58,029 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:58,030 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 12, 12, 12, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:35:58,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 13:35:58,030 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:35:58,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:58,030 INFO L85 PathProgramCache]: Analyzing trace with hash 739039178, now seen corresponding path program 1 times [2024-12-02 13:35:58,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:35:58,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977162463] [2024-12-02 13:35:58,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:58,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:02,657 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-12-02 13:36:02,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:02,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977162463] [2024-12-02 13:36:02,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977162463] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:02,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:02,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:36:02,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216315273] [2024-12-02 13:36:02,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:02,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:36:02,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:02,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:36:02,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:36:02,659 INFO L87 Difference]: Start difference. First operand 100387 states and 144701 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-12-02 13:36:08,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:08,246 INFO L93 Difference]: Finished difference Result 200930 states and 290099 transitions. [2024-12-02 13:36:08,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:36:08,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 423 [2024-12-02 13:36:08,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:08,756 INFO L225 Difference]: With dead ends: 200930 [2024-12-02 13:36:08,756 INFO L226 Difference]: Without dead ends: 100611 [2024-12-02 13:36:09,073 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 13:36:09,074 INFO L435 NwaCegarLoop]: 3052 mSDtfsCounter, 2 mSDsluCounter, 3049 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6101 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:09,074 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6101 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:36:09,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100611 states. [2024-12-02 13:36:14,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100611 to 100443. [2024-12-02 13:36:15,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100443 states, 70624 states have (on average 1.3378030131400092) internal successors, (94481), 72104 states have internal predecessors, (94481), 25115 states have call successors, (25115), 4707 states have call predecessors, (25115), 4703 states have return successors, (25161), 24617 states have call predecessors, (25161), 25115 states have call successors, (25161) [2024-12-02 13:36:15,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100443 states to 100443 states and 144757 transitions. [2024-12-02 13:36:15,785 INFO L78 Accepts]: Start accepts. Automaton has 100443 states and 144757 transitions. Word has length 423 [2024-12-02 13:36:15,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:15,785 INFO L471 AbstractCegarLoop]: Abstraction has 100443 states and 144757 transitions. [2024-12-02 13:36:15,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-12-02 13:36:15,785 INFO L276 IsEmpty]: Start isEmpty. Operand 100443 states and 144757 transitions. [2024-12-02 13:36:15,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2024-12-02 13:36:15,794 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:15,794 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 12, 12, 12, 8, 8, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:36:15,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 13:36:15,794 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 13:36:15,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:15,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1329720941, now seen corresponding path program 2 times [2024-12-02 13:36:15,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:15,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649777022] [2024-12-02 13:36:15,796 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 13:36:15,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:21,173 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 13:36:21,173 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:36:21,938 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 849 trivial. 0 not checked. [2024-12-02 13:36:21,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:21,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649777022] [2024-12-02 13:36:21,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649777022] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:21,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:21,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:36:21,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705188406] [2024-12-02 13:36:21,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:21,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:36:21,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:21,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:36:21,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:36:21,940 INFO L87 Difference]: Start difference. First operand 100443 states and 144757 transitions. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-12-02 13:36:25,985 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 13:36:32,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:32,096 INFO L93 Difference]: Finished difference Result 100443 states and 144757 transitions. [2024-12-02 13:36:32,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:36:32,096 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 425 [2024-12-02 13:36:32,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:32,248 INFO L225 Difference]: With dead ends: 100443 [2024-12-02 13:36:32,249 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 13:36:32,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 13:36:32,501 INFO L435 NwaCegarLoop]: 3631 mSDtfsCounter, 1209 mSDsluCounter, 9666 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 13297 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:32,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1210 Valid, 13297 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 13:36:32,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 13:36:32,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 13:36:32,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:36:32,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 13:36:32,640 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 425 [2024-12-02 13:36:32,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:32,641 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 13:36:32,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-12-02 13:36:32,641 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 13:36:32,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 13:36:32,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-12-02 13:36:32,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-12-02 13:36:32,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-12-02 13:36:32,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 13:36:32,651 INFO L422 BasicCegarLoop]: Path program histogram: [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] [2024-12-02 13:36:32,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 13:37:39,311 WARN L286 SmtUtils]: Spent 12.82s on a formula simplification. DAG size of input: 286 DAG size of output: 34 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:38:13,338 WARN L286 SmtUtils]: Spent 23.62s on a formula simplification. DAG size of input: 362 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:38:52,940 WARN L286 SmtUtils]: Spent 24.14s on a formula simplification. DAG size of input: 362 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:39:19,273 WARN L286 SmtUtils]: Spent 23.22s on a formula simplification. DAG size of input: 362 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:39:40,171 WARN L286 SmtUtils]: Spent 17.72s on a formula simplification. DAG size of input: 258 DAG size of output: 27 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:40:10,487 WARN L286 SmtUtils]: Spent 30.27s on a formula simplification. DAG size of input: 362 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:40:17,574 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 97 DAG size of output: 33 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:40:52,261 WARN L286 SmtUtils]: Spent 30.61s on a formula simplification. DAG size of input: 362 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:41:06,525 WARN L286 SmtUtils]: Spent 14.24s on a formula simplification. DAG size of input: 188 DAG size of output: 27 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:41:25,345 WARN L286 SmtUtils]: Spent 18.11s on a formula simplification. DAG size of input: 219 DAG size of output: 26 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:41:47,125 WARN L286 SmtUtils]: Spent 21.75s on a formula simplification. DAG size of input: 258 DAG size of output: 27 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:42:08,408 WARN L286 SmtUtils]: Spent 21.26s on a formula simplification. DAG size of input: 258 DAG size of output: 27 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:42:37,360 WARN L286 SmtUtils]: Spent 27.36s on a formula simplification. DAG size of input: 362 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:42:54,914 WARN L286 SmtUtils]: Spent 7.62s on a formula simplification. DAG size of input: 114 DAG size of output: 26 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)