./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.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_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/bin/uautomizer-verify-aQ6SnzHsRB --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 28084432560c47da1ffc5f98cfcaa5be6cb055f18fa0164e17cef2e3b92cbd47 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:51:26,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:51:26,802 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 19:51:26,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:51:26,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:51:26,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:51:26,848 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:51:26,849 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:51:26,850 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 19:51:26,850 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 19:51:26,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:51:26,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:51:26,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:51:26,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:51:26,853 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:51:26,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:51:26,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:51:26,853 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:51:26,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:51:26,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:51:26,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:51:26,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:51:26,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:51:26,854 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:51:26,854 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:51:26,854 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:51:26,854 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:51:26,854 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:51:26,854 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:51:26,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:51:26,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:51:26,855 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:51:26,855 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:51:26,855 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:51:26,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:51:26,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:51:26,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:51:26,856 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:51:26,856 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:51:26,856 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 19:51:26,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 19:51:26,856 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:51:26,856 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:51:26,856 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:51:26,857 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:51:26,857 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_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 28084432560c47da1ffc5f98cfcaa5be6cb055f18fa0164e17cef2e3b92cbd47 [2024-11-27 19:51:27,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:51:27,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:51:27,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:51:27,221 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:51:27,221 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:51:27,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2024-11-27 19:51:30,139 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/bin/uautomizer-verify-aQ6SnzHsRB/data/dc5ea9344/05fb54e3a3904c929410e993d108fc3b/FLAGbbc7345aa [2024-11-27 19:51:31,024 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:51:31,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2024-11-27 19:51:31,093 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/bin/uautomizer-verify-aQ6SnzHsRB/data/dc5ea9344/05fb54e3a3904c929410e993d108fc3b/FLAGbbc7345aa [2024-11-27 19:51:31,115 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/bin/uautomizer-verify-aQ6SnzHsRB/data/dc5ea9344/05fb54e3a3904c929410e993d108fc3b [2024-11-27 19:51:31,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:51:31,121 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:51:31,122 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:51:31,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:51:31,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:51:31,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:51:31" (1/1) ... [2024-11-27 19:51:31,130 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f1bc1d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:31, skipping insertion in model container [2024-11-27 19:51:31,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:51:31" (1/1) ... [2024-11-27 19:51:31,322 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:51:36,385 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_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508632,508645] [2024-11-27 19:51:36,389 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_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508801,508814] [2024-11-27 19:51:36,389 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_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508968,508981] [2024-11-27 19:51:36,390 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_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[509136,509149] [2024-11-27 19:51:36,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:51:36,486 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:51:36,702 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"); [6262] [2024-11-27 19:51:36,704 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)); [6269] [2024-11-27 19:51:36,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6276] [2024-11-27 19:51:36,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [6292] [2024-11-27 19:51:36,714 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/520b8de/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6352-6353] [2024-11-27 19:51:36,715 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"); [6358-6360] [2024-11-27 19:51:36,716 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; incl %0": "+m" (v->counter)); [6387] [2024-11-27 19:51:36,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6394] [2024-11-27 19:51:36,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6450] [2024-11-27 19:51:36,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6453] [2024-11-27 19:51:36,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6456] [2024-11-27 19:51:36,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6459] [2024-11-27 19:51:36,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [6553] [2024-11-27 19:51:36,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6561] [2024-11-27 19:51:36,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [6568] [2024-11-27 19:51:36,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6575] [2024-11-27 19:51:36,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/mm.h"), "i" (488), "i" (12UL)); [6651-6652] [2024-11-27 19:51:36,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1,%0\n adcl $0xffff,%0": "=r" (sum): "r" (sum << 16), "0" (sum & 4294901760U)); [6681] [2024-11-27 19:51:36,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1, %0\n adcl %2, %0\n adcl %3, %0\n adcl $0, %0\n": "=r" (sum): "g" (daddr), "g" (saddr), "g" (((int )len + (int )proto) << 8), "0" (sum)); [6689-6690] [2024-11-27 19:51:36,738 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)); [6765-6766] [2024-11-27 19:51:36,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6799-6800] [2024-11-27 19:51:36,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [6840-6841] [2024-11-27 19:51:36,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (91), "i" (12UL)); [6869-6870] [2024-11-27 19:51:36,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [7347-7348] [2024-11-27 19:51:36,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7354] [2024-11-27 19:51:36,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10425] [2024-11-27 19:51:37,124 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_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508632,508645] [2024-11-27 19:51:37,124 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_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508801,508814] [2024-11-27 19:51:37,125 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_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508968,508981] [2024-11-27 19:51:37,125 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_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[509136,509149] [2024-11-27 19:51:37,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:51:37,446 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:51:37,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:37 WrapperNode [2024-11-27 19:51:37,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:51:37,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:51:37,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:51:37,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:51:37,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:37" (1/1) ... [2024-11-27 19:51:37,613 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:37" (1/1) ... [2024-11-27 19:51:38,113 INFO L138 Inliner]: procedures = 678, calls = 4062, calls flagged for inlining = 360, calls inlined = 334, statements flattened = 11759 [2024-11-27 19:51:38,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:51:38,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:51:38,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:51:38,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:51:38,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:37" (1/1) ... [2024-11-27 19:51:38,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:37" (1/1) ... [2024-11-27 19:51:38,180 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:37" (1/1) ... [2024-11-27 19:51:41,926 INFO L175 MemorySlicer]: Split 1998 memory accesses to 24 slices as follows [7, 2, 1, 6, 1, 27, 60, 2, 4, 15, 2, 2, 4, 6, 1600, 107, 10, 2, 70, 8, 40, 1, 14, 7]. 80 percent of accesses are in the largest equivalence class. The 80 initializations are split as follows [0, 0, 0, 0, 1, 0, 60, 2, 0, 0, 0, 0, 0, 6, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 782 writes are split as follows [1, 1, 0, 4, 0, 2, 0, 0, 4, 7, 0, 1, 0, 0, 578, 101, 5, 1, 60, 5, 0, 1, 7, 4]. [2024-11-27 19:51:41,926 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:37" (1/1) ... [2024-11-27 19:51:41,927 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:37" (1/1) ... [2024-11-27 19:51:42,204 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:37" (1/1) ... [2024-11-27 19:51:42,228 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:37" (1/1) ... [2024-11-27 19:51:42,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:37" (1/1) ... [2024-11-27 19:51:42,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:37" (1/1) ... [2024-11-27 19:51:42,407 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:37" (1/1) ... [2024-11-27 19:51:42,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:51:42,521 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:51:42,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:51:42,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:51:42,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:37" (1/1) ... [2024-11-27 19:51:42,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:51:42,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:51:42,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:51:42,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:51:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2024-11-27 19:51:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2024-11-27 19:51:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-27 19:51:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-27 19:51:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2024-11-27 19:51:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2024-11-27 19:51:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2024-11-27 19:51:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2024-11-27 19:51:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2024-11-27 19:51:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2024-11-27 19:51:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2024-11-27 19:51:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2024-11-27 19:51:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-27 19:51:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-27 19:51:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-27 19:51:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-27 19:51:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2024-11-27 19:51:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2024-11-27 19:51:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2024-11-27 19:51:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2024-11-27 19:51:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-27 19:51:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-27 19:51:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2024-11-27 19:51:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2024-11-27 19:51:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-27 19:51:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-27 19:51:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-11-27 19:51:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-11-27 19:51:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-27 19:51:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-27 19:51:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-27 19:51:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-27 19:51:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2024-11-27 19:51:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2024-11-27 19:51:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-27 19:51:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-27 19:51:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2024-11-27 19:51:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2024-11-27 19:51:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2024-11-27 19:51:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2024-11-27 19:51:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2024-11-27 19:51:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2024-11-27 19:51:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-27 19:51:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-27 19:51:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-27 19:51:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-27 19:51:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-27 19:51:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-27 19:51:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-27 19:51:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-27 19:51:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-27 19:51:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-27 19:51:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-27 19:51:42,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-27 19:51:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-27 19:51:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-27 19:51:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-27 19:51:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-27 19:51:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2024-11-27 19:51:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2024-11-27 19:51:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 19:51:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-27 19:51:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-27 19:51:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2024-11-27 19:51:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2024-11-27 19:51:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2024-11-27 19:51:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2024-11-27 19:51:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2024-11-27 19:51:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2024-11-27 19:51:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2024-11-27 19:51:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2024-11-27 19:51:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-27 19:51:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-27 19:51:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2024-11-27 19:51:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2024-11-27 19:51:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-27 19:51:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-27 19:51:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-27 19:51:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-27 19:51:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-27 19:51:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-27 19:51:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-27 19:51:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-27 19:51:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-27 19:51:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-27 19:51:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-27 19:51:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-27 19:51:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-27 19:51:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-27 19:51:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-27 19:51:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-27 19:51:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-27 19:51:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-27 19:51:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-27 19:51:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-27 19:51:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-27 19:51:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-27 19:51:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-11-27 19:51:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2024-11-27 19:51:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2024-11-27 19:51:42,698 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2024-11-27 19:51:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2024-11-27 19:51:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2024-11-27 19:51:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2024-11-27 19:51:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2024-11-27 19:51:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-27 19:51:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-27 19:51:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-27 19:51:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-27 19:51:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2024-11-27 19:51:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2024-11-27 19:51:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 19:51:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 19:51:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 19:51:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 19:51:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 19:51:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 19:51:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-27 19:51:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-27 19:51:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-27 19:51:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-27 19:51:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-27 19:51:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-27 19:51:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-27 19:51:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-27 19:51:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-27 19:51:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-27 19:51:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-27 19:51:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-27 19:51:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-27 19:51:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-27 19:51:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-27 19:51:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-27 19:51:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-27 19:51:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-27 19:51:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-27 19:51:42,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-27 19:51:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-27 19:51:42,701 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-27 19:51:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 19:51:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 19:51:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 19:51:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 19:51:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 19:51:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 19:51:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 19:51:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 19:51:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 19:51:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 19:51:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 19:51:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-27 19:51:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-27 19:51:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-27 19:51:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-27 19:51:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-27 19:51:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-27 19:51:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-27 19:51:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-27 19:51:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-27 19:51:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-27 19:51:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-27 19:51:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-27 19:51:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-27 19:51:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-27 19:51:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-27 19:51:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-27 19:51:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-27 19:51:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-27 19:51:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-27 19:51:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-27 19:51:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-27 19:51:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-27 19:51:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-27 19:51:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-27 19:51:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-27 19:51:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-27 19:51:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-27 19:51:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-27 19:51:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-27 19:51:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-27 19:51:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-27 19:51:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-27 19:51:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-27 19:51:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-27 19:51:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-27 19:51:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-11-27 19:51:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-11-27 19:51:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-11-27 19:51:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2024-11-27 19:51:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-27 19:51:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-27 19:51:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-27 19:51:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-27 19:51:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-27 19:51:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-27 19:51:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-27 19:51:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-27 19:51:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-27 19:51:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-27 19:51:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-27 19:51:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-27 19:51:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-27 19:51:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-27 19:51:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-27 19:51:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-27 19:51:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-27 19:51:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-27 19:51:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-27 19:51:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-27 19:51:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-11-27 19:51:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-11-27 19:51:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-11-27 19:51:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2024-11-27 19:51:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-27 19:51:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-27 19:51:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2024-11-27 19:51:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2024-11-27 19:51:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-27 19:51:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-27 19:51:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-27 19:51:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-27 19:51:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-27 19:51:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-27 19:51:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-27 19:51:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-27 19:51:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2024-11-27 19:51:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2024-11-27 19:51:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-27 19:51:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-27 19:51:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 19:51:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:51:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2024-11-27 19:51:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2024-11-27 19:51:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-27 19:51:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-27 19:51:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-27 19:51:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-27 19:51:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 19:51:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 19:51:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 19:51:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 19:51:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 19:51:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 19:51:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-27 19:51:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-27 19:51:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-27 19:51:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-27 19:51:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-27 19:51:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-27 19:51:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-27 19:51:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-27 19:51:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-27 19:51:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-27 19:51:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-27 19:51:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-27 19:51:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-27 19:51:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-27 19:51:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-27 19:51:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-27 19:51:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-27 19:51:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-27 19:51:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2024-11-27 19:51:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2024-11-27 19:51:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2024-11-27 19:51:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2024-11-27 19:51:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-27 19:51:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-27 19:51:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2024-11-27 19:51:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2024-11-27 19:51:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-27 19:51:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-27 19:51:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2024-11-27 19:51:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2024-11-27 19:51:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2024-11-27 19:51:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2024-11-27 19:51:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2024-11-27 19:51:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2024-11-27 19:51:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-27 19:51:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-27 19:51:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-11-27 19:51:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-11-27 19:51:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-27 19:51:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-27 19:51:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2024-11-27 19:51:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2024-11-27 19:51:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-27 19:51:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-27 19:51:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2024-11-27 19:51:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2024-11-27 19:51:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2024-11-27 19:51:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2024-11-27 19:51:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2024-11-27 19:51:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2024-11-27 19:51:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2024-11-27 19:51:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2024-11-27 19:51:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2024-11-27 19:51:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2024-11-27 19:51:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-27 19:51:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-27 19:51:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-27 19:51:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-27 19:51:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-27 19:51:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-27 19:51:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2024-11-27 19:51:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2024-11-27 19:51:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2024-11-27 19:51:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2024-11-27 19:51:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2024-11-27 19:51:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2024-11-27 19:51:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2024-11-27 19:51:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2024-11-27 19:51:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:51:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:51:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2024-11-27 19:51:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2024-11-27 19:51:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-27 19:51:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-27 19:51:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-27 19:51:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-27 19:51:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-27 19:51:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-27 19:51:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-27 19:51:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-27 19:51:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-27 19:51:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-27 19:51:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-27 19:51:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-27 19:51:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-27 19:51:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-27 19:51:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-27 19:51:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-27 19:51:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-27 19:51:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-27 19:51:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-27 19:51:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-27 19:51:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-27 19:51:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-27 19:51:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-27 19:51:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-27 19:51:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-27 19:51:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-27 19:51:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-11-27 19:51:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2024-11-27 19:51:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 19:51:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 19:51:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 19:51:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 19:51:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 19:51:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 19:51:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-27 19:51:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-27 19:51:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-27 19:51:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-27 19:51:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-27 19:51:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-27 19:51:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-27 19:51:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-27 19:51:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-27 19:51:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-27 19:51:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-27 19:51:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-27 19:51:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-27 19:51:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-27 19:51:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-27 19:51:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-27 19:51:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-27 19:51:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-27 19:51:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-27 19:51:42,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-27 19:51:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-27 19:51:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-27 19:51:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-27 19:51:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-27 19:51:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-27 19:51:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-27 19:51:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2024-11-27 19:51:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2024-11-27 19:51:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2024-11-27 19:51:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2024-11-27 19:51:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-11-27 19:51:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-11-27 19:51:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-27 19:51:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-27 19:51:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2024-11-27 19:51:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2024-11-27 19:51:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2024-11-27 19:51:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2024-11-27 19:51:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-27 19:51:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-27 19:51:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2024-11-27 19:51:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2024-11-27 19:51:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-11-27 19:51:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-11-27 19:51:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2024-11-27 19:51:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2024-11-27 19:51:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2024-11-27 19:51:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2024-11-27 19:51:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-27 19:51:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-27 19:51:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-27 19:51:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-27 19:51:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-27 19:51:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-27 19:51:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-27 19:51:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-27 19:51:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-27 19:51:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-27 19:51:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-27 19:51:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-27 19:51:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-27 19:51:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-27 19:51:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-27 19:51:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-27 19:51:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-27 19:51:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-27 19:51:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-27 19:51:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-27 19:51:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-27 19:51:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-27 19:51:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-11-27 19:51:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-11-27 19:51:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-11-27 19:51:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-11-27 19:51:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-27 19:51:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-27 19:51:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-27 19:51:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-27 19:51:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-27 19:51:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-27 19:51:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-27 19:51:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-27 19:51:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-27 19:51:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-27 19:51:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-27 19:51:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-27 19:51:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-27 19:51:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-27 19:51:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-27 19:51:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-27 19:51:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-27 19:51:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-27 19:51:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-27 19:51:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-27 19:51:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-11-27 19:51:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-11-27 19:51:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-11-27 19:51:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-11-27 19:51:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2024-11-27 19:51:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2024-11-27 19:51:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2024-11-27 19:51:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2024-11-27 19:51:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2024-11-27 19:51:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2024-11-27 19:51:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-11-27 19:51:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-11-27 19:51:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-27 19:51:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-27 19:51:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 19:51:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2024-11-27 19:51:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2024-11-27 19:51:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2024-11-27 19:51:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2024-11-27 19:51:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2024-11-27 19:51:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2024-11-27 19:51:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-27 19:51:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-27 19:51:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 19:51:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-27 19:51:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2024-11-27 19:51:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2024-11-27 19:51:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-11-27 19:51:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-11-27 19:51:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2024-11-27 19:51:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2024-11-27 19:51:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-27 19:51:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-27 19:51:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-27 19:51:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-27 19:51:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-27 19:51:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-27 19:51:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-27 19:51:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-27 19:51:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-27 19:51:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-27 19:51:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-27 19:51:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-27 19:51:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-27 19:51:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-27 19:51:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-27 19:51:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-27 19:51:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-27 19:51:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-27 19:51:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-27 19:51:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-27 19:51:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-27 19:51:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-27 19:51:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-27 19:51:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-27 19:51:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-27 19:51:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-27 19:51:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2024-11-27 19:51:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2024-11-27 19:51:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-27 19:51:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-27 19:51:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2024-11-27 19:51:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2024-11-27 19:51:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2024-11-27 19:51:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2024-11-27 19:51:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-27 19:51:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-27 19:51:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2024-11-27 19:51:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2024-11-27 19:51:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-27 19:51:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-27 19:51:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-27 19:51:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-27 19:51:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-27 19:51:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-27 19:51:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2024-11-27 19:51:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2024-11-27 19:51:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2024-11-27 19:51:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2024-11-27 19:51:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2024-11-27 19:51:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2024-11-27 19:51:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2024-11-27 19:51:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2024-11-27 19:51:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2024-11-27 19:51:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2024-11-27 19:51:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2024-11-27 19:51:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2024-11-27 19:51:42,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-27 19:51:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-27 19:51:42,739 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-27 19:51:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-27 19:51:42,739 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2024-11-27 19:51:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2024-11-27 19:51:42,739 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2024-11-27 19:51:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2024-11-27 19:51:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2024-11-27 19:51:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2024-11-27 19:51:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-27 19:51:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-27 19:51:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2024-11-27 19:51:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2024-11-27 19:51:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2024-11-27 19:51:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2024-11-27 19:51:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2024-11-27 19:51:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2024-11-27 19:51:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-27 19:51:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-27 19:51:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2024-11-27 19:51:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2024-11-27 19:51:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2024-11-27 19:51:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2024-11-27 19:51:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 19:51:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 19:51:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 19:51:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 19:51:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-27 19:51:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2024-11-27 19:51:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-27 19:51:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-11-27 19:51:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-11-27 19:51:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2024-11-27 19:51:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2024-11-27 19:51:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-27 19:51:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-27 19:51:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2024-11-27 19:51:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2024-11-27 19:51:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2024-11-27 19:51:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2024-11-27 19:51:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2024-11-27 19:51:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2024-11-27 19:51:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2024-11-27 19:51:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2024-11-27 19:51:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-27 19:51:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-27 19:51:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-11-27 19:51:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-11-27 19:51:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-27 19:51:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-27 19:51:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2024-11-27 19:51:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2024-11-27 19:51:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2024-11-27 19:51:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2024-11-27 19:51:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2024-11-27 19:51:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2024-11-27 19:51:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2024-11-27 19:51:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2024-11-27 19:51:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-27 19:51:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-27 19:51:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2024-11-27 19:51:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2024-11-27 19:51:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 19:51:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 19:51:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 19:51:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 19:51:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 19:51:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 19:51:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 19:51:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 19:51:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 19:51:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 19:51:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 19:51:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-27 19:51:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-27 19:51:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-27 19:51:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-27 19:51:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-27 19:51:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-27 19:51:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-27 19:51:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-27 19:51:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-27 19:51:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-27 19:51:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-27 19:51:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-27 19:51:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-27 19:51:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-27 19:51:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-27 19:51:44,735 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:51:44,741 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:52:07,374 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-27 19:52:25,414 INFO L? ?]: Removed 5414 outVars from TransFormulas that were not future-live. [2024-11-27 19:52:25,414 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:52:25,518 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:52:25,518 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 19:52:25,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:52:25 BoogieIcfgContainer [2024-11-27 19:52:25,519 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:52:25,525 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:52:25,525 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:52:25,533 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:52:25,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:51:31" (1/3) ... [2024-11-27 19:52:25,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3244f829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:52:25, skipping insertion in model container [2024-11-27 19:52:25,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:37" (2/3) ... [2024-11-27 19:52:25,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3244f829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:52:25, skipping insertion in model container [2024-11-27 19:52:25,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:52:25" (3/3) ... [2024-11-27 19:52:25,538 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2024-11-27 19:52:25,565 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:52:25,569 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i that has 210 procedures, 5002 locations, 1 initial locations, 72 loop locations, and 4 error locations. [2024-11-27 19:52:25,790 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:52:25,805 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;@f4a9352, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:52:25,805 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-27 19:52:25,827 INFO L276 IsEmpty]: Start isEmpty. Operand has 4794 states, 3501 states have (on average 1.3301913738931734) internal successors, (4657), 3556 states have internal predecessors, (4657), 1126 states have call successors, (1126), 163 states have call predecessors, (1126), 162 states have return successors, (1119), 1110 states have call predecessors, (1119), 1119 states have call successors, (1119) [2024-11-27 19:52:25,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-27 19:52:25,838 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:52:25,839 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-27 19:52:25,840 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:52:25,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:25,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1640720890, now seen corresponding path program 1 times [2024-11-27 19:52:25,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:52:25,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757210575] [2024-11-27 19:52:25,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:25,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:52:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:46,421 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-27 19:52:46,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:52:46,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757210575] [2024-11-27 19:52:46,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757210575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:52:46,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:52:46,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:52:46,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971635732] [2024-11-27 19:52:46,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:52:46,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:52:46,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:52:46,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:52:46,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:52:46,479 INFO L87 Difference]: Start difference. First operand has 4794 states, 3501 states have (on average 1.3301913738931734) internal successors, (4657), 3556 states have internal predecessors, (4657), 1126 states have call successors, (1126), 163 states have call predecessors, (1126), 162 states have return successors, (1119), 1110 states have call predecessors, (1119), 1119 states have call successors, (1119) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 19:52:47,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:52:47,757 INFO L93 Difference]: Finished difference Result 9560 states and 13987 transitions. [2024-11-27 19:52:47,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:52:47,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2024-11-27 19:52:47,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:52:47,839 INFO L225 Difference]: With dead ends: 9560 [2024-11-27 19:52:47,839 INFO L226 Difference]: Without dead ends: 4778 [2024-11-27 19:52:47,889 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 [2024-11-27 19:52:47,897 INFO L435 NwaCegarLoop]: 6784 mSDtfsCounter, 6771 mSDsluCounter, 13551 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6772 SdHoareTripleChecker+Valid, 20335 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:52:47,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6772 Valid, 20335 Invalid, 25 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 19:52:47,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4778 states. [2024-11-27 19:52:48,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4778 to 4778. [2024-11-27 19:52:48,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4778 states, 3493 states have (on average 1.2983109075293444) internal successors, (4535), 3544 states have internal predecessors, (4535), 1119 states have call successors, (1119), 163 states have call predecessors, (1119), 162 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2024-11-27 19:52:49,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4778 states to 4778 states and 6770 transitions. [2024-11-27 19:52:49,042 INFO L78 Accepts]: Start accepts. Automaton has 4778 states and 6770 transitions. Word has length 48 [2024-11-27 19:52:49,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:52:49,094 INFO L471 AbstractCegarLoop]: Abstraction has 4778 states and 6770 transitions. [2024-11-27 19:52:49,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 19:52:49,095 INFO L276 IsEmpty]: Start isEmpty. Operand 4778 states and 6770 transitions. [2024-11-27 19:52:49,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-27 19:52:49,106 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:52:49,106 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-27 19:52:49,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 19:52:49,107 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:52:49,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:49,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1625194122, now seen corresponding path program 1 times [2024-11-27 19:52:49,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:52:49,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360840264] [2024-11-27 19:52:49,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:49,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:53:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:53:13,692 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-27 19:53:13,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:53:13,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360840264] [2024-11-27 19:53:13,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360840264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:53:13,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:53:13,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:53:13,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213651183] [2024-11-27 19:53:13,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:53:13,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:53:13,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:53:13,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:53:13,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:53:13,704 INFO L87 Difference]: Start difference. First operand 4778 states and 6770 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 19:53:15,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:53:15,255 INFO L93 Difference]: Finished difference Result 4784 states and 6775 transitions. [2024-11-27 19:53:15,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:53:15,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2024-11-27 19:53:15,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:53:15,370 INFO L225 Difference]: With dead ends: 4784 [2024-11-27 19:53:15,370 INFO L226 Difference]: Without dead ends: 4782 [2024-11-27 19:53:15,382 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:53:15,384 INFO L435 NwaCegarLoop]: 6767 mSDtfsCounter, 6747 mSDsluCounter, 13512 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6748 SdHoareTripleChecker+Valid, 20279 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 19:53:15,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6748 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 19:53:15,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4782 states. [2024-11-27 19:53:16,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4782 to 4782. [2024-11-27 19:53:16,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4782 states, 3496 states have (on average 1.2980549199084668) internal successors, (4538), 3547 states have internal predecessors, (4538), 1119 states have call successors, (1119), 164 states have call predecessors, (1119), 163 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2024-11-27 19:53:16,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4782 states to 4782 states and 6773 transitions. [2024-11-27 19:53:16,295 INFO L78 Accepts]: Start accepts. Automaton has 4782 states and 6773 transitions. Word has length 53 [2024-11-27 19:53:16,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:53:16,299 INFO L471 AbstractCegarLoop]: Abstraction has 4782 states and 6773 transitions. [2024-11-27 19:53:16,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 19:53:16,300 INFO L276 IsEmpty]: Start isEmpty. Operand 4782 states and 6773 transitions. [2024-11-27 19:53:16,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-27 19:53:16,306 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:16,306 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:53:16,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 19:53:16,307 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:53:16,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:16,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1521995578, now seen corresponding path program 1 times [2024-11-27 19:53:16,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:16,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711773843] [2024-11-27 19:53:16,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:53:16,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:53:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:53:47,226 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-27 19:53:47,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:53:47,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711773843] [2024-11-27 19:53:47,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711773843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:53:47,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:53:47,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:53:47,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772449472] [2024-11-27 19:53:47,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:53:47,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:53:47,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:53:47,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:53:47,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:53:47,239 INFO L87 Difference]: Start difference. First operand 4782 states and 6773 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-27 19:53:47,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:53:47,987 INFO L93 Difference]: Finished difference Result 4788 states and 6778 transitions. [2024-11-27 19:53:47,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:53:47,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2024-11-27 19:53:47,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:53:48,024 INFO L225 Difference]: With dead ends: 4788 [2024-11-27 19:53:48,025 INFO L226 Difference]: Without dead ends: 4786 [2024-11-27 19:53:48,030 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 [2024-11-27 19:53:48,034 INFO L435 NwaCegarLoop]: 6767 mSDtfsCounter, 6746 mSDsluCounter, 13512 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6747 SdHoareTripleChecker+Valid, 20279 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 19:53:48,036 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6747 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 19:53:48,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4786 states. [2024-11-27 19:53:48,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4786 to 4786. [2024-11-27 19:53:48,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4786 states, 3499 states have (on average 1.2977993712489282) internal successors, (4541), 3550 states have internal predecessors, (4541), 1119 states have call successors, (1119), 165 states have call predecessors, (1119), 164 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2024-11-27 19:53:48,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4786 states to 4786 states and 6776 transitions. [2024-11-27 19:53:48,339 INFO L78 Accepts]: Start accepts. Automaton has 4786 states and 6776 transitions. Word has length 58 [2024-11-27 19:53:48,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:53:48,341 INFO L471 AbstractCegarLoop]: Abstraction has 4786 states and 6776 transitions. [2024-11-27 19:53:48,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-27 19:53:48,342 INFO L276 IsEmpty]: Start isEmpty. Operand 4786 states and 6776 transitions. [2024-11-27 19:53:48,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-27 19:53:48,348 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:48,349 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 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] [2024-11-27 19:53:48,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 19:53:48,349 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:53:48,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:48,350 INFO L85 PathProgramCache]: Analyzing trace with hash 547132342, now seen corresponding path program 1 times [2024-11-27 19:53:48,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:48,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733651586] [2024-11-27 19:53:48,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:53:48,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:54:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:54:07,338 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-27 19:54:07,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:54:07,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733651586] [2024-11-27 19:54:07,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733651586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:54:07,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:54:07,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:54:07,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143009405] [2024-11-27 19:54:07,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:54:07,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:54:07,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:54:07,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:54:07,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:54:07,347 INFO L87 Difference]: Start difference. First operand 4786 states and 6776 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 19:54:08,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:54:08,173 INFO L93 Difference]: Finished difference Result 4792 states and 6781 transitions. [2024-11-27 19:54:08,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:54:08,174 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2024-11-27 19:54:08,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:54:08,221 INFO L225 Difference]: With dead ends: 4792 [2024-11-27 19:54:08,222 INFO L226 Difference]: Without dead ends: 4790 [2024-11-27 19:54:08,228 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:54:08,229 INFO L435 NwaCegarLoop]: 6767 mSDtfsCounter, 6745 mSDsluCounter, 13512 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6746 SdHoareTripleChecker+Valid, 20279 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 19:54:08,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6746 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 19:54:08,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4790 states. [2024-11-27 19:54:08,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4790 to 4790. [2024-11-27 19:54:08,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4790 states, 3502 states have (on average 1.2975442604226157) internal successors, (4544), 3553 states have internal predecessors, (4544), 1119 states have call successors, (1119), 166 states have call predecessors, (1119), 165 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2024-11-27 19:54:08,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4790 states to 4790 states and 6779 transitions. [2024-11-27 19:54:08,642 INFO L78 Accepts]: Start accepts. Automaton has 4790 states and 6779 transitions. Word has length 63 [2024-11-27 19:54:08,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:54:08,644 INFO L471 AbstractCegarLoop]: Abstraction has 4790 states and 6779 transitions. [2024-11-27 19:54:08,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 19:54:08,646 INFO L276 IsEmpty]: Start isEmpty. Operand 4790 states and 6779 transitions. [2024-11-27 19:54:08,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-27 19:54:08,648 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:54:08,649 INFO L218 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 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] [2024-11-27 19:54:08,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 19:54:08,649 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:54:08,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:54:08,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1295494022, now seen corresponding path program 1 times [2024-11-27 19:54:08,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:54:08,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203907755] [2024-11-27 19:54:08,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:54:08,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:54:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:54:24,882 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-27 19:54:24,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:54:24,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203907755] [2024-11-27 19:54:24,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203907755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:54:24,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:54:24,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:54:24,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504411942] [2024-11-27 19:54:24,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:54:24,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:54:24,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:54:24,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:54:24,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:54:24,888 INFO L87 Difference]: Start difference. First operand 4790 states and 6779 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-27 19:54:25,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:54:25,716 INFO L93 Difference]: Finished difference Result 4796 states and 6784 transitions. [2024-11-27 19:54:25,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:54:25,717 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2024-11-27 19:54:25,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:54:25,753 INFO L225 Difference]: With dead ends: 4796 [2024-11-27 19:54:25,753 INFO L226 Difference]: Without dead ends: 4794 [2024-11-27 19:54:25,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:54:25,761 INFO L435 NwaCegarLoop]: 6767 mSDtfsCounter, 6744 mSDsluCounter, 13512 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6745 SdHoareTripleChecker+Valid, 20279 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 19:54:25,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6745 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 19:54:25,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4794 states. [2024-11-27 19:54:26,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4794 to 4794. [2024-11-27 19:54:26,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4794 states, 3505 states have (on average 1.2972895863052782) internal successors, (4547), 3556 states have internal predecessors, (4547), 1119 states have call successors, (1119), 167 states have call predecessors, (1119), 166 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2024-11-27 19:54:26,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4794 states to 4794 states and 6782 transitions. [2024-11-27 19:54:26,134 INFO L78 Accepts]: Start accepts. Automaton has 4794 states and 6782 transitions. Word has length 68 [2024-11-27 19:54:26,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:54:26,134 INFO L471 AbstractCegarLoop]: Abstraction has 4794 states and 6782 transitions. [2024-11-27 19:54:26,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-27 19:54:26,136 INFO L276 IsEmpty]: Start isEmpty. Operand 4794 states and 6782 transitions. [2024-11-27 19:54:26,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-27 19:54:26,137 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:54:26,138 INFO L218 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 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] [2024-11-27 19:54:26,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 19:54:26,138 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:54:26,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:54:26,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1266186762, now seen corresponding path program 1 times [2024-11-27 19:54:26,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:54:26,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310142639] [2024-11-27 19:54:26,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:54:26,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:54:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:54:42,386 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 19:54:42,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:54:42,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310142639] [2024-11-27 19:54:42,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310142639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:54:42,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:54:42,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:54:42,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16354343] [2024-11-27 19:54:42,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:54:42,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:54:42,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:54:42,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:54:42,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:54:42,394 INFO L87 Difference]: Start difference. First operand 4794 states and 6782 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-27 19:54:43,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:54:43,239 INFO L93 Difference]: Finished difference Result 4800 states and 6787 transitions. [2024-11-27 19:54:43,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:54:43,239 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 73 [2024-11-27 19:54:43,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:54:43,304 INFO L225 Difference]: With dead ends: 4800 [2024-11-27 19:54:43,304 INFO L226 Difference]: Without dead ends: 4798 [2024-11-27 19:54:43,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:54:43,311 INFO L435 NwaCegarLoop]: 6767 mSDtfsCounter, 6743 mSDsluCounter, 13512 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6744 SdHoareTripleChecker+Valid, 20279 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 19:54:43,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6744 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 19:54:43,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4798 states. [2024-11-27 19:54:43,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4798 to 4798. [2024-11-27 19:54:43,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4798 states, 3508 states have (on average 1.2970353477765109) internal successors, (4550), 3559 states have internal predecessors, (4550), 1119 states have call successors, (1119), 168 states have call predecessors, (1119), 167 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2024-11-27 19:54:43,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4798 states to 4798 states and 6785 transitions. [2024-11-27 19:54:43,753 INFO L78 Accepts]: Start accepts. Automaton has 4798 states and 6785 transitions. Word has length 73 [2024-11-27 19:54:43,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:54:43,754 INFO L471 AbstractCegarLoop]: Abstraction has 4798 states and 6785 transitions. [2024-11-27 19:54:43,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-27 19:54:43,756 INFO L276 IsEmpty]: Start isEmpty. Operand 4798 states and 6785 transitions. [2024-11-27 19:54:43,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-27 19:54:43,760 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:54:43,760 INFO L218 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 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] [2024-11-27 19:54:43,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 19:54:43,761 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:54:43,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:54:43,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1666513338, now seen corresponding path program 1 times [2024-11-27 19:54:43,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:54:43,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222559588] [2024-11-27 19:54:43,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:54:43,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:54:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:55:01,218 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-27 19:55:01,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:55:01,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222559588] [2024-11-27 19:55:01,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222559588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:55:01,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:55:01,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:55:01,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874659222] [2024-11-27 19:55:01,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:55:01,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:55:01,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:55:01,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:55:01,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:55:01,221 INFO L87 Difference]: Start difference. First operand 4798 states and 6785 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 19:55:01,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:55:01,968 INFO L93 Difference]: Finished difference Result 4804 states and 6790 transitions. [2024-11-27 19:55:01,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:55:01,969 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 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 78 [2024-11-27 19:55:01,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:55:02,003 INFO L225 Difference]: With dead ends: 4804 [2024-11-27 19:55:02,003 INFO L226 Difference]: Without dead ends: 4802 [2024-11-27 19:55:02,007 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 [2024-11-27 19:55:02,008 INFO L435 NwaCegarLoop]: 6767 mSDtfsCounter, 6742 mSDsluCounter, 13512 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6743 SdHoareTripleChecker+Valid, 20279 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:55:02,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6743 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 19:55:02,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4802 states. [2024-11-27 19:55:02,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4802 to 4802. [2024-11-27 19:55:02,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4802 states, 3511 states have (on average 1.2967815437197379) internal successors, (4553), 3562 states have internal predecessors, (4553), 1119 states have call successors, (1119), 169 states have call predecessors, (1119), 168 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2024-11-27 19:55:02,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4802 states to 4802 states and 6788 transitions. [2024-11-27 19:55:02,410 INFO L78 Accepts]: Start accepts. Automaton has 4802 states and 6788 transitions. Word has length 78 [2024-11-27 19:55:02,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:55:02,411 INFO L471 AbstractCegarLoop]: Abstraction has 4802 states and 6788 transitions. [2024-11-27 19:55:02,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 19:55:02,411 INFO L276 IsEmpty]: Start isEmpty. Operand 4802 states and 6788 transitions. [2024-11-27 19:55:02,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-27 19:55:02,412 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:55:02,413 INFO L218 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:55:02,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 19:55:02,413 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:55:02,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:55:02,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1909123413, now seen corresponding path program 1 times [2024-11-27 19:55:02,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:55:02,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308011037] [2024-11-27 19:55:02,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:55:02,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:55:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:55:18,364 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-27 19:55:18,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:55:18,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308011037] [2024-11-27 19:55:18,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308011037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:55:18,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:55:18,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:55:18,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484107232] [2024-11-27 19:55:18,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:55:18,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:55:18,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:55:18,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:55:18,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:55:18,367 INFO L87 Difference]: Start difference. First operand 4802 states and 6788 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-27 19:55:19,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:55:19,026 INFO L93 Difference]: Finished difference Result 4808 states and 6793 transitions. [2024-11-27 19:55:19,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:55:19,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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 96 [2024-11-27 19:55:19,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:55:19,055 INFO L225 Difference]: With dead ends: 4808 [2024-11-27 19:55:19,055 INFO L226 Difference]: Without dead ends: 4806 [2024-11-27 19:55:19,060 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:55:19,061 INFO L435 NwaCegarLoop]: 6767 mSDtfsCounter, 6731 mSDsluCounter, 13512 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6732 SdHoareTripleChecker+Valid, 20279 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:55:19,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6732 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 19:55:19,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4806 states. [2024-11-27 19:55:19,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4806 to 4806. [2024-11-27 19:55:19,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4806 states, 3514 states have (on average 1.296528173022197) internal successors, (4556), 3565 states have internal predecessors, (4556), 1119 states have call successors, (1119), 170 states have call predecessors, (1119), 169 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2024-11-27 19:55:19,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4806 states to 4806 states and 6791 transitions. [2024-11-27 19:55:19,514 INFO L78 Accepts]: Start accepts. Automaton has 4806 states and 6791 transitions. Word has length 96 [2024-11-27 19:55:19,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:55:19,515 INFO L471 AbstractCegarLoop]: Abstraction has 4806 states and 6791 transitions. [2024-11-27 19:55:19,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-27 19:55:19,515 INFO L276 IsEmpty]: Start isEmpty. Operand 4806 states and 6791 transitions. [2024-11-27 19:55:19,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-27 19:55:19,520 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:55:19,520 INFO L218 NwaCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:55:19,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 19:55:19,521 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:55:19,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:55:19,522 INFO L85 PathProgramCache]: Analyzing trace with hash 2092482981, now seen corresponding path program 1 times [2024-11-27 19:55:19,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:55:19,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373595887] [2024-11-27 19:55:19,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:55:19,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:55:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:55:34,778 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-27 19:55:34,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:55:34,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373595887] [2024-11-27 19:55:34,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373595887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:55:34,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:55:34,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:55:34,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811982787] [2024-11-27 19:55:34,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:55:34,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:55:34,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:55:34,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:55:34,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:55:34,781 INFO L87 Difference]: Start difference. First operand 4806 states and 6791 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-27 19:55:35,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:55:35,730 INFO L93 Difference]: Finished difference Result 5109 states and 7199 transitions. [2024-11-27 19:55:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:55:35,731 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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 101 [2024-11-27 19:55:35,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:55:35,762 INFO L225 Difference]: With dead ends: 5109 [2024-11-27 19:55:35,762 INFO L226 Difference]: Without dead ends: 5107 [2024-11-27 19:55:35,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:55:35,768 INFO L435 NwaCegarLoop]: 7037 mSDtfsCounter, 6636 mSDsluCounter, 14541 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6637 SdHoareTripleChecker+Valid, 21578 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 19:55:35,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6637 Valid, 21578 Invalid, 40 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 19:55:35,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5107 states. [2024-11-27 19:55:36,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5107 to 5105. [2024-11-27 19:55:36,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5105 states, 3763 states have (on average 1.301355301621047) internal successors, (4897), 3815 states have internal predecessors, (4897), 1151 states have call successors, (1151), 188 states have call predecessors, (1151), 187 states have return successors, (1148), 1139 states have call predecessors, (1148), 1148 states have call successors, (1148) [2024-11-27 19:55:36,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5105 states to 5105 states and 7196 transitions. [2024-11-27 19:55:36,244 INFO L78 Accepts]: Start accepts. Automaton has 5105 states and 7196 transitions. Word has length 101 [2024-11-27 19:55:36,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:55:36,244 INFO L471 AbstractCegarLoop]: Abstraction has 5105 states and 7196 transitions. [2024-11-27 19:55:36,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-27 19:55:36,245 INFO L276 IsEmpty]: Start isEmpty. Operand 5105 states and 7196 transitions. [2024-11-27 19:55:36,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-27 19:55:36,247 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:55:36,247 INFO L218 NwaCegarLoop]: trace histogram [10, 9, 9, 3, 3, 3, 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] [2024-11-27 19:55:36,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 19:55:36,248 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:55:36,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:55:36,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1739781514, now seen corresponding path program 1 times [2024-11-27 19:55:36,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:55:36,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738159257] [2024-11-27 19:55:36,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:55:36,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:55:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:55:52,510 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-27 19:55:52,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:55:52,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738159257] [2024-11-27 19:55:52,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738159257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:55:52,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:55:52,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:55:52,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456686338] [2024-11-27 19:55:52,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:55:52,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:55:52,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:55:52,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:55:52,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:55:52,512 INFO L87 Difference]: Start difference. First operand 5105 states and 7196 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-11-27 19:55:53,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:55:53,565 INFO L93 Difference]: Finished difference Result 5111 states and 7201 transitions. [2024-11-27 19:55:53,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:55:53,566 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 93 [2024-11-27 19:55:53,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:55:53,599 INFO L225 Difference]: With dead ends: 5111 [2024-11-27 19:55:53,600 INFO L226 Difference]: Without dead ends: 5109 [2024-11-27 19:55:53,605 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 [2024-11-27 19:55:53,606 INFO L435 NwaCegarLoop]: 6767 mSDtfsCounter, 6739 mSDsluCounter, 13512 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6740 SdHoareTripleChecker+Valid, 20279 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 19:55:53,608 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6740 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 19:55:53,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5109 states. [2024-11-27 19:55:54,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5109 to 5109. [2024-11-27 19:55:54,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5109 states, 3766 states have (on average 1.3011152416356877) internal successors, (4900), 3818 states have internal predecessors, (4900), 1151 states have call successors, (1151), 189 states have call predecessors, (1151), 188 states have return successors, (1148), 1139 states have call predecessors, (1148), 1148 states have call successors, (1148) [2024-11-27 19:55:54,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5109 states to 5109 states and 7199 transitions. [2024-11-27 19:55:54,105 INFO L78 Accepts]: Start accepts. Automaton has 5109 states and 7199 transitions. Word has length 93 [2024-11-27 19:55:54,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:55:54,106 INFO L471 AbstractCegarLoop]: Abstraction has 5109 states and 7199 transitions. [2024-11-27 19:55:54,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-11-27 19:55:54,106 INFO L276 IsEmpty]: Start isEmpty. Operand 5109 states and 7199 transitions. [2024-11-27 19:55:54,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-27 19:55:54,114 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:55:54,114 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 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] [2024-11-27 19:55:54,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 19:55:54,115 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:55:54,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:55:54,115 INFO L85 PathProgramCache]: Analyzing trace with hash 759342138, now seen corresponding path program 1 times [2024-11-27 19:55:54,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:55:54,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647163078] [2024-11-27 19:55:54,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:55:54,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:56:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:11,378 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-11-27 19:56:11,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:56:11,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647163078] [2024-11-27 19:56:11,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647163078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:11,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:11,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:56:11,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034876567] [2024-11-27 19:56:11,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:11,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:56:11,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:56:11,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:56:11,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:56:11,381 INFO L87 Difference]: Start difference. First operand 5109 states and 7199 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-27 19:56:12,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:56:12,385 INFO L93 Difference]: Finished difference Result 5115 states and 7204 transitions. [2024-11-27 19:56:12,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:56:12,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 98 [2024-11-27 19:56:12,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:56:12,413 INFO L225 Difference]: With dead ends: 5115 [2024-11-27 19:56:12,414 INFO L226 Difference]: Without dead ends: 5113 [2024-11-27 19:56:12,417 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 [2024-11-27 19:56:12,420 INFO L435 NwaCegarLoop]: 6767 mSDtfsCounter, 6738 mSDsluCounter, 13512 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6739 SdHoareTripleChecker+Valid, 20279 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:56:12,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6739 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 19:56:12,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5113 states. [2024-11-27 19:56:12,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5113 to 5113. [2024-11-27 19:56:12,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5113 states, 3769 states have (on average 1.3008755638100291) internal successors, (4903), 3821 states have internal predecessors, (4903), 1151 states have call successors, (1151), 190 states have call predecessors, (1151), 189 states have return successors, (1148), 1139 states have call predecessors, (1148), 1148 states have call successors, (1148) [2024-11-27 19:56:12,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5113 states to 5113 states and 7202 transitions. [2024-11-27 19:56:12,868 INFO L78 Accepts]: Start accepts. Automaton has 5113 states and 7202 transitions. Word has length 98 [2024-11-27 19:56:12,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:56:12,869 INFO L471 AbstractCegarLoop]: Abstraction has 5113 states and 7202 transitions. [2024-11-27 19:56:12,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-27 19:56:12,869 INFO L276 IsEmpty]: Start isEmpty. Operand 5113 states and 7202 transitions. [2024-11-27 19:56:12,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-27 19:56:12,871 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:56:12,871 INFO L218 NwaCegarLoop]: trace histogram [12, 11, 11, 3, 3, 3, 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] [2024-11-27 19:56:12,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 19:56:12,872 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:56:12,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:12,872 INFO L85 PathProgramCache]: Analyzing trace with hash -847799114, now seen corresponding path program 1 times [2024-11-27 19:56:12,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:56:12,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533277368] [2024-11-27 19:56:12,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:12,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:56:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:29,199 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-27 19:56:29,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:56:29,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533277368] [2024-11-27 19:56:29,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533277368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:29,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:29,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:56:29,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119323414] [2024-11-27 19:56:29,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:29,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:56:29,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:56:29,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:56:29,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:56:29,202 INFO L87 Difference]: Start difference. First operand 5113 states and 7202 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-27 19:56:30,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:56:30,140 INFO L93 Difference]: Finished difference Result 5119 states and 7207 transitions. [2024-11-27 19:56:30,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:56:30,141 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 103 [2024-11-27 19:56:30,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:56:30,173 INFO L225 Difference]: With dead ends: 5119 [2024-11-27 19:56:30,173 INFO L226 Difference]: Without dead ends: 5117 [2024-11-27 19:56:30,178 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 [2024-11-27 19:56:30,179 INFO L435 NwaCegarLoop]: 6767 mSDtfsCounter, 6737 mSDsluCounter, 13512 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6738 SdHoareTripleChecker+Valid, 20279 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 19:56:30,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6738 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 19:56:30,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5117 states. [2024-11-27 19:56:30,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5117 to 5117. [2024-11-27 19:56:30,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5117 states, 3772 states have (on average 1.3006362672322376) internal successors, (4906), 3824 states have internal predecessors, (4906), 1151 states have call successors, (1151), 191 states have call predecessors, (1151), 190 states have return successors, (1148), 1139 states have call predecessors, (1148), 1148 states have call successors, (1148) [2024-11-27 19:56:30,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5117 states to 5117 states and 7205 transitions. [2024-11-27 19:56:30,766 INFO L78 Accepts]: Start accepts. Automaton has 5117 states and 7205 transitions. Word has length 103 [2024-11-27 19:56:30,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:56:30,767 INFO L471 AbstractCegarLoop]: Abstraction has 5117 states and 7205 transitions. [2024-11-27 19:56:30,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-27 19:56:30,767 INFO L276 IsEmpty]: Start isEmpty. Operand 5117 states and 7205 transitions. [2024-11-27 19:56:30,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-27 19:56:30,771 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:56:30,772 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:56:30,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 19:56:30,772 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:56:30,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:30,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1284861853, now seen corresponding path program 1 times [2024-11-27 19:56:30,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:56:30,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986651352] [2024-11-27 19:56:30,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:30,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:56:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:48,907 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-11-27 19:56:48,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:56:48,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986651352] [2024-11-27 19:56:48,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986651352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:48,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:48,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:56:48,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017403659] [2024-11-27 19:56:48,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:48,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:56:48,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:56:48,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:56:48,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:56:48,911 INFO L87 Difference]: Start difference. First operand 5117 states and 7205 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 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) [2024-11-27 19:56:49,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:56:49,568 INFO L93 Difference]: Finished difference Result 5119 states and 7206 transitions. [2024-11-27 19:56:49,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:56:49,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 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 131 [2024-11-27 19:56:49,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:56:49,596 INFO L225 Difference]: With dead ends: 5119 [2024-11-27 19:56:49,597 INFO L226 Difference]: Without dead ends: 5117 [2024-11-27 19:56:49,601 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 [2024-11-27 19:56:49,602 INFO L435 NwaCegarLoop]: 7032 mSDtfsCounter, 6634 mSDsluCounter, 14550 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6635 SdHoareTripleChecker+Valid, 21582 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:56:49,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6635 Valid, 21582 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 19:56:49,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5117 states. [2024-11-27 19:56:50,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5117 to 5115. [2024-11-27 19:56:50,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5115 states, 3771 states have (on average 1.3004508088040307) internal successors, (4904), 3822 states have internal predecessors, (4904), 1151 states have call successors, (1151), 191 states have call predecessors, (1151), 190 states have return successors, (1148), 1139 states have call predecessors, (1148), 1148 states have call successors, (1148) [2024-11-27 19:56:50,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5115 states to 5115 states and 7203 transitions. [2024-11-27 19:56:50,243 INFO L78 Accepts]: Start accepts. Automaton has 5115 states and 7203 transitions. Word has length 131 [2024-11-27 19:56:50,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:56:50,244 INFO L471 AbstractCegarLoop]: Abstraction has 5115 states and 7203 transitions. [2024-11-27 19:56:50,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 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) [2024-11-27 19:56:50,244 INFO L276 IsEmpty]: Start isEmpty. Operand 5115 states and 7203 transitions. [2024-11-27 19:56:50,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-27 19:56:50,247 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:56:50,247 INFO L218 NwaCegarLoop]: trace histogram [13, 12, 12, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:56:50,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 19:56:50,247 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:56:50,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:50,248 INFO L85 PathProgramCache]: Analyzing trace with hash 351119525, now seen corresponding path program 1 times [2024-11-27 19:56:50,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:56:50,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494899659] [2024-11-27 19:56:50,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:50,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:57:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:57:07,673 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-11-27 19:57:07,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:57:07,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494899659] [2024-11-27 19:57:07,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494899659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:57:07,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:57:07,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:57:07,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855256589] [2024-11-27 19:57:07,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:57:07,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:57:07,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:57:07,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:57:07,675 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:57:07,675 INFO L87 Difference]: Start difference. First operand 5115 states and 7203 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-27 19:57:08,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:57:08,278 INFO L93 Difference]: Finished difference Result 5121 states and 7208 transitions. [2024-11-27 19:57:08,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:57:08,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 121 [2024-11-27 19:57:08,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:57:08,304 INFO L225 Difference]: With dead ends: 5121 [2024-11-27 19:57:08,304 INFO L226 Difference]: Without dead ends: 5119 [2024-11-27 19:57:08,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:57:08,310 INFO L435 NwaCegarLoop]: 6765 mSDtfsCounter, 6724 mSDsluCounter, 13508 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6725 SdHoareTripleChecker+Valid, 20273 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:57:08,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6725 Valid, 20273 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 19:57:08,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5119 states. [2024-11-27 19:57:08,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5119 to 5119. [2024-11-27 19:57:08,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5119 states, 3774 states have (on average 1.3002119766825648) internal successors, (4907), 3825 states have internal predecessors, (4907), 1151 states have call successors, (1151), 192 states have call predecessors, (1151), 191 states have return successors, (1148), 1139 states have call predecessors, (1148), 1148 states have call successors, (1148) [2024-11-27 19:57:08,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5119 states to 5119 states and 7206 transitions. [2024-11-27 19:57:08,831 INFO L78 Accepts]: Start accepts. Automaton has 5119 states and 7206 transitions. Word has length 121 [2024-11-27 19:57:08,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:57:08,831 INFO L471 AbstractCegarLoop]: Abstraction has 5119 states and 7206 transitions. [2024-11-27 19:57:08,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-27 19:57:08,832 INFO L276 IsEmpty]: Start isEmpty. Operand 5119 states and 7206 transitions. [2024-11-27 19:57:08,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-27 19:57:08,835 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:57:08,835 INFO L218 NwaCegarLoop]: trace histogram [14, 13, 13, 3, 3, 3, 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] [2024-11-27 19:57:08,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 19:57:08,836 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:57:08,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:57:08,836 INFO L85 PathProgramCache]: Analyzing trace with hash -541978890, now seen corresponding path program 1 times [2024-11-27 19:57:08,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:57:08,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330327684] [2024-11-27 19:57:08,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:57:08,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:57:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:57:26,215 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-27 19:57:26,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:57:26,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330327684] [2024-11-27 19:57:26,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330327684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:57:26,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:57:26,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:57:26,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219815524] [2024-11-27 19:57:26,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:57:26,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:57:26,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:57:26,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:57:26,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:57:26,219 INFO L87 Difference]: Start difference. First operand 5119 states and 7206 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-27 19:57:26,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:57:26,962 INFO L93 Difference]: Finished difference Result 5125 states and 7211 transitions. [2024-11-27 19:57:26,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:57:26,963 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 113 [2024-11-27 19:57:26,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:57:26,987 INFO L225 Difference]: With dead ends: 5125 [2024-11-27 19:57:26,987 INFO L226 Difference]: Without dead ends: 5123 [2024-11-27 19:57:26,993 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 [2024-11-27 19:57:26,994 INFO L435 NwaCegarLoop]: 6765 mSDtfsCounter, 6733 mSDsluCounter, 13508 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6734 SdHoareTripleChecker+Valid, 20273 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:57:26,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6734 Valid, 20273 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 19:57:27,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5123 states. [2024-11-27 19:57:27,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5123 to 5123. [2024-11-27 19:57:27,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5123 states, 3777 states have (on average 1.2999735239608154) internal successors, (4910), 3828 states have internal predecessors, (4910), 1151 states have call successors, (1151), 193 states have call predecessors, (1151), 192 states have return successors, (1148), 1139 states have call predecessors, (1148), 1148 states have call successors, (1148) [2024-11-27 19:57:27,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5123 states to 5123 states and 7209 transitions. [2024-11-27 19:57:27,597 INFO L78 Accepts]: Start accepts. Automaton has 5123 states and 7209 transitions. Word has length 113 [2024-11-27 19:57:27,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:57:27,597 INFO L471 AbstractCegarLoop]: Abstraction has 5123 states and 7209 transitions. [2024-11-27 19:57:27,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-27 19:57:27,598 INFO L276 IsEmpty]: Start isEmpty. Operand 5123 states and 7209 transitions. [2024-11-27 19:57:27,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-27 19:57:27,602 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:57:27,602 INFO L218 NwaCegarLoop]: trace histogram [15, 14, 14, 3, 3, 3, 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] [2024-11-27 19:57:27,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 19:57:27,603 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:57:27,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:57:27,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1799409338, now seen corresponding path program 1 times [2024-11-27 19:57:27,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:57:27,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370001913] [2024-11-27 19:57:27,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:57:27,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:57:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:57:44,211 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-11-27 19:57:44,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:57:44,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370001913] [2024-11-27 19:57:44,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370001913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:57:44,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:57:44,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:57:44,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639843565] [2024-11-27 19:57:44,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:57:44,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:57:44,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:57:44,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:57:44,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:57:44,214 INFO L87 Difference]: Start difference. First operand 5123 states and 7209 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 19:57:44,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:57:44,908 INFO L93 Difference]: Finished difference Result 5129 states and 7214 transitions. [2024-11-27 19:57:44,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:57:44,909 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 118 [2024-11-27 19:57:44,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:57:44,930 INFO L225 Difference]: With dead ends: 5129 [2024-11-27 19:57:44,930 INFO L226 Difference]: Without dead ends: 5125 [2024-11-27 19:57:44,934 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:57:44,935 INFO L435 NwaCegarLoop]: 6765 mSDtfsCounter, 6732 mSDsluCounter, 13508 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6733 SdHoareTripleChecker+Valid, 20273 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:57:44,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6733 Valid, 20273 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 19:57:44,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5125 states. [2024-11-27 19:57:45,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5125 to 5125. [2024-11-27 19:57:45,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5125 states, 3779 states have (on average 1.2995501455411484) internal successors, (4911), 3829 states have internal predecessors, (4911), 1151 states have call successors, (1151), 194 states have call predecessors, (1151), 192 states have return successors, (1148), 1139 states have call predecessors, (1148), 1148 states have call successors, (1148) [2024-11-27 19:57:45,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5125 states to 5125 states and 7210 transitions. [2024-11-27 19:57:45,510 INFO L78 Accepts]: Start accepts. Automaton has 5125 states and 7210 transitions. Word has length 118 [2024-11-27 19:57:45,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:57:45,511 INFO L471 AbstractCegarLoop]: Abstraction has 5125 states and 7210 transitions. [2024-11-27 19:57:45,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 19:57:45,511 INFO L276 IsEmpty]: Start isEmpty. Operand 5125 states and 7210 transitions. [2024-11-27 19:57:45,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-27 19:57:45,514 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:57:45,514 INFO L218 NwaCegarLoop]: trace histogram [16, 15, 15, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:57:45,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 19:57:45,515 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:57:45,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:57:45,516 INFO L85 PathProgramCache]: Analyzing trace with hash -311638357, now seen corresponding path program 1 times [2024-11-27 19:57:45,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:57:45,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594861912] [2024-11-27 19:57:45,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:57:45,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:58:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:58:01,848 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-11-27 19:58:01,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:58:01,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594861912] [2024-11-27 19:58:01,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594861912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:58:01,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:58:01,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:58:01,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70691601] [2024-11-27 19:58:01,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:58:01,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:58:01,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:58:01,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:58:01,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:58:01,850 INFO L87 Difference]: Start difference. First operand 5125 states and 7210 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-27 19:58:03,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:58:03,271 INFO L93 Difference]: Finished difference Result 10222 states and 14381 transitions. [2024-11-27 19:58:03,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:58:03,272 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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 136 [2024-11-27 19:58:03,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:58:03,327 INFO L225 Difference]: With dead ends: 10222 [2024-11-27 19:58:03,327 INFO L226 Difference]: Without dead ends: 10122 [2024-11-27 19:58:03,336 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 [2024-11-27 19:58:03,337 INFO L435 NwaCegarLoop]: 7334 mSDtfsCounter, 6716 mSDsluCounter, 21354 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6716 SdHoareTripleChecker+Valid, 28688 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 19:58:03,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6716 Valid, 28688 Invalid, 49 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 19:58:03,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10122 states. [2024-11-27 19:58:04,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10122 to 10117. [2024-11-27 19:58:04,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10117 states, 7474 states have (on average 1.3022477923468023) internal successors, (9733), 7574 states have internal predecessors, (9733), 2272 states have call successors, (2272), 371 states have call predecessors, (2272), 368 states have return successors, (2268), 2246 states have call predecessors, (2268), 2268 states have call successors, (2268) [2024-11-27 19:58:04,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10117 states to 10117 states and 14273 transitions. [2024-11-27 19:58:04,759 INFO L78 Accepts]: Start accepts. Automaton has 10117 states and 14273 transitions. Word has length 136 [2024-11-27 19:58:04,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:58:04,760 INFO L471 AbstractCegarLoop]: Abstraction has 10117 states and 14273 transitions. [2024-11-27 19:58:04,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-27 19:58:04,761 INFO L276 IsEmpty]: Start isEmpty. Operand 10117 states and 14273 transitions. [2024-11-27 19:58:04,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-27 19:58:04,769 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:58:04,769 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:58:04,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 19:58:04,770 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:58:04,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:58:04,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1437417450, now seen corresponding path program 1 times [2024-11-27 19:58:04,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:58:04,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284712752] [2024-11-27 19:58:04,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:58:04,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:58:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:58:23,318 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-27 19:58:23,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:58:23,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284712752] [2024-11-27 19:58:23,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284712752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:58:23,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:58:23,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:58:23,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832141980] [2024-11-27 19:58:23,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:58:23,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:58:23,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:58:23,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:58:23,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:58:23,323 INFO L87 Difference]: Start difference. First operand 10117 states and 14273 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-27 19:58:24,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:58:24,594 INFO L93 Difference]: Finished difference Result 20287 states and 28936 transitions. [2024-11-27 19:58:24,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:58:24,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) Word has length 219 [2024-11-27 19:58:24,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:58:24,643 INFO L225 Difference]: With dead ends: 20287 [2024-11-27 19:58:24,643 INFO L226 Difference]: Without dead ends: 10189 [2024-11-27 19:58:24,695 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:58:24,696 INFO L435 NwaCegarLoop]: 6762 mSDtfsCounter, 15 mSDsluCounter, 6760 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 13522 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 [2024-11-27 19:58:24,696 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 13522 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:58:24,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10189 states. [2024-11-27 19:58:25,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10189 to 10121. [2024-11-27 19:58:25,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10121 states, 7478 states have (on average 1.3020861192832307) internal successors, (9737), 7578 states have internal predecessors, (9737), 2272 states have call successors, (2272), 371 states have call predecessors, (2272), 368 states have return successors, (2268), 2246 states have call predecessors, (2268), 2268 states have call successors, (2268) [2024-11-27 19:58:25,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10121 states to 10121 states and 14277 transitions. [2024-11-27 19:58:25,897 INFO L78 Accepts]: Start accepts. Automaton has 10121 states and 14277 transitions. Word has length 219 [2024-11-27 19:58:25,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:58:25,898 INFO L471 AbstractCegarLoop]: Abstraction has 10121 states and 14277 transitions. [2024-11-27 19:58:25,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-27 19:58:25,899 INFO L276 IsEmpty]: Start isEmpty. Operand 10121 states and 14277 transitions. [2024-11-27 19:58:25,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-11-27 19:58:25,907 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:58:25,908 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:58:25,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 19:58:25,908 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:58:25,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:58:25,909 INFO L85 PathProgramCache]: Analyzing trace with hash -2112643620, now seen corresponding path program 1 times [2024-11-27 19:58:25,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:58:25,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698735914] [2024-11-27 19:58:25,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:58:25,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:58:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:58:42,375 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-27 19:58:42,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:58:42,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698735914] [2024-11-27 19:58:42,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698735914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:58:42,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:58:42,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:58:42,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918771157] [2024-11-27 19:58:42,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:58:42,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:58:42,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:58:42,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:58:42,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:58:42,380 INFO L87 Difference]: Start difference. First operand 10121 states and 14277 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-27 19:58:43,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:58:43,388 INFO L93 Difference]: Finished difference Result 20227 states and 28752 transitions. [2024-11-27 19:58:43,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:58:43,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) Word has length 233 [2024-11-27 19:58:43,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:58:43,431 INFO L225 Difference]: With dead ends: 20227 [2024-11-27 19:58:43,431 INFO L226 Difference]: Without dead ends: 10125 [2024-11-27 19:58:43,470 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:58:43,471 INFO L435 NwaCegarLoop]: 6764 mSDtfsCounter, 0 mSDsluCounter, 6760 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13524 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:58:43,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13524 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:58:43,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10125 states. [2024-11-27 19:58:44,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10125 to 10125. [2024-11-27 19:58:44,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10125 states, 7482 states have (on average 1.301924619085806) internal successors, (9741), 7582 states have internal predecessors, (9741), 2272 states have call successors, (2272), 371 states have call predecessors, (2272), 368 states have return successors, (2268), 2246 states have call predecessors, (2268), 2268 states have call successors, (2268) [2024-11-27 19:58:44,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10125 states to 10125 states and 14281 transitions. [2024-11-27 19:58:44,681 INFO L78 Accepts]: Start accepts. Automaton has 10125 states and 14281 transitions. Word has length 233 [2024-11-27 19:58:44,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:58:44,682 INFO L471 AbstractCegarLoop]: Abstraction has 10125 states and 14281 transitions. [2024-11-27 19:58:44,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-27 19:58:44,682 INFO L276 IsEmpty]: Start isEmpty. Operand 10125 states and 14281 transitions. [2024-11-27 19:58:44,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-11-27 19:58:44,690 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:58:44,690 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:58:44,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-27 19:58:44,691 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:58:44,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:58:44,692 INFO L85 PathProgramCache]: Analyzing trace with hash 376885342, now seen corresponding path program 1 times [2024-11-27 19:58:44,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:58:44,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355024801] [2024-11-27 19:58:44,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:58:44,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:58:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:59:00,923 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-27 19:59:00,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:59:00,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355024801] [2024-11-27 19:59:00,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355024801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:59:00,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:59:00,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:59:00,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493234049] [2024-11-27 19:59:00,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:59:00,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:59:00,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:59:00,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:59:00,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:59:00,927 INFO L87 Difference]: Start difference. First operand 10125 states and 14281 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-27 19:59:05,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 19:59:06,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:59:06,761 INFO L93 Difference]: Finished difference Result 10127 states and 14282 transitions. [2024-11-27 19:59:06,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:59:06,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 233 [2024-11-27 19:59:06,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:59:06,830 INFO L225 Difference]: With dead ends: 10127 [2024-11-27 19:59:06,830 INFO L226 Difference]: Without dead ends: 9802 [2024-11-27 19:59:06,844 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 [2024-11-27 19:59:06,845 INFO L435 NwaCegarLoop]: 6892 mSDtfsCounter, 486 mSDsluCounter, 20446 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 27338 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-27 19:59:06,848 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 27338 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-27 19:59:06,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9802 states. [2024-11-27 19:59:07,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9802 to 9802. [2024-11-27 19:59:07,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9802 states, 7240 states have (on average 1.3009668508287293) internal successors, (9419), 7328 states have internal predecessors, (9419), 2194 states have call successors, (2194), 368 states have call predecessors, (2194), 365 states have return successors, (2191), 2174 states have call predecessors, (2191), 2191 states have call successors, (2191) [2024-11-27 19:59:07,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9802 states to 9802 states and 13804 transitions. [2024-11-27 19:59:07,812 INFO L78 Accepts]: Start accepts. Automaton has 9802 states and 13804 transitions. Word has length 233 [2024-11-27 19:59:07,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:59:07,813 INFO L471 AbstractCegarLoop]: Abstraction has 9802 states and 13804 transitions. [2024-11-27 19:59:07,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-27 19:59:07,813 INFO L276 IsEmpty]: Start isEmpty. Operand 9802 states and 13804 transitions. [2024-11-27 19:59:07,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1240 [2024-11-27 19:59:07,844 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:59:07,845 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 23, 23, 20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:59:07,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-27 19:59:07,846 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:59:07,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:59:07,847 INFO L85 PathProgramCache]: Analyzing trace with hash 139987363, now seen corresponding path program 1 times [2024-11-27 19:59:07,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:59:07,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156254233] [2024-11-27 19:59:07,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:59:07,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:59:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:59:28,400 INFO L134 CoverageAnalysis]: Checked inductivity of 3979 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3979 trivial. 0 not checked. [2024-11-27 19:59:28,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:59:28,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156254233] [2024-11-27 19:59:28,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156254233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:59:28,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:59:28,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:59:28,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279167950] [2024-11-27 19:59:28,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:59:28,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:59:28,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:59:28,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:59:28,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:59:28,407 INFO L87 Difference]: Start difference. First operand 9802 states and 13804 transitions. Second operand has 4 states, 4 states have (on average 102.75) internal successors, (411), 4 states have internal predecessors, (411), 2 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (119), 2 states have call predecessors, (119), 2 states have call successors, (119) [2024-11-27 19:59:29,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:59:29,379 INFO L93 Difference]: Finished difference Result 19583 states and 27578 transitions. [2024-11-27 19:59:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:59:29,380 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 102.75) internal successors, (411), 4 states have internal predecessors, (411), 2 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (119), 2 states have call predecessors, (119), 2 states have call successors, (119) Word has length 1239 [2024-11-27 19:59:29,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:59:29,446 INFO L225 Difference]: With dead ends: 19583 [2024-11-27 19:59:29,446 INFO L226 Difference]: Without dead ends: 9798 [2024-11-27 19:59:29,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:59:29,488 INFO L435 NwaCegarLoop]: 6755 mSDtfsCounter, 0 mSDsluCounter, 13506 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20261 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 [2024-11-27 19:59:29,488 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20261 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:59:29,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9798 states. [2024-11-27 19:59:30,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9798 to 9798. [2024-11-27 19:59:30,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9798 states, 7238 states have (on average 1.3007736943907158) internal successors, (9415), 7326 states have internal predecessors, (9415), 2192 states have call successors, (2192), 368 states have call predecessors, (2192), 365 states have return successors, (2189), 2172 states have call predecessors, (2189), 2189 states have call successors, (2189) [2024-11-27 19:59:30,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9798 states to 9798 states and 13796 transitions. [2024-11-27 19:59:30,459 INFO L78 Accepts]: Start accepts. Automaton has 9798 states and 13796 transitions. Word has length 1239 [2024-11-27 19:59:30,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:59:30,460 INFO L471 AbstractCegarLoop]: Abstraction has 9798 states and 13796 transitions. [2024-11-27 19:59:30,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 102.75) internal successors, (411), 4 states have internal predecessors, (411), 2 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (119), 2 states have call predecessors, (119), 2 states have call successors, (119) [2024-11-27 19:59:30,461 INFO L276 IsEmpty]: Start isEmpty. Operand 9798 states and 13796 transitions. [2024-11-27 19:59:30,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1248 [2024-11-27 19:59:30,608 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:59:30,609 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 23, 23, 20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:59:30,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-27 19:59:30,610 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:59:30,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:59:30,614 INFO L85 PathProgramCache]: Analyzing trace with hash -703916713, now seen corresponding path program 1 times [2024-11-27 19:59:30,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:59:30,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013769884] [2024-11-27 19:59:30,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:59:30,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:59:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:59:48,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3979 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3979 trivial. 0 not checked. [2024-11-27 19:59:48,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:59:48,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013769884] [2024-11-27 19:59:48,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013769884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:59:48,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:59:48,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:59:48,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071082123] [2024-11-27 19:59:48,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:59:48,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:59:48,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:59:48,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:59:48,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:59:48,616 INFO L87 Difference]: Start difference. First operand 9798 states and 13796 transitions. Second operand has 4 states, 4 states have (on average 104.75) internal successors, (419), 4 states have internal predecessors, (419), 2 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (119), 2 states have call predecessors, (119), 2 states have call successors, (119) [2024-11-27 19:59:49,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:59:49,437 INFO L93 Difference]: Finished difference Result 19575 states and 27562 transitions. [2024-11-27 19:59:49,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:59:49,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 104.75) internal successors, (419), 4 states have internal predecessors, (419), 2 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (119), 2 states have call predecessors, (119), 2 states have call successors, (119) Word has length 1247 [2024-11-27 19:59:49,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:59:49,484 INFO L225 Difference]: With dead ends: 19575 [2024-11-27 19:59:49,484 INFO L226 Difference]: Without dead ends: 9794 [2024-11-27 19:59:49,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:59:49,528 INFO L435 NwaCegarLoop]: 6751 mSDtfsCounter, 0 mSDsluCounter, 13499 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20250 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 [2024-11-27 19:59:49,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20250 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:59:49,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9794 states. [2024-11-27 19:59:50,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9794 to 9794. [2024-11-27 19:59:50,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9794 states, 7236 states have (on average 1.300580431177446) internal successors, (9411), 7324 states have internal predecessors, (9411), 2190 states have call successors, (2190), 368 states have call predecessors, (2190), 365 states have return successors, (2187), 2170 states have call predecessors, (2187), 2187 states have call successors, (2187) [2024-11-27 19:59:50,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9794 states to 9794 states and 13788 transitions. [2024-11-27 19:59:50,627 INFO L78 Accepts]: Start accepts. Automaton has 9794 states and 13788 transitions. Word has length 1247 [2024-11-27 19:59:50,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:59:50,628 INFO L471 AbstractCegarLoop]: Abstraction has 9794 states and 13788 transitions. [2024-11-27 19:59:50,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 104.75) internal successors, (419), 4 states have internal predecessors, (419), 2 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (119), 2 states have call predecessors, (119), 2 states have call successors, (119) [2024-11-27 19:59:50,628 INFO L276 IsEmpty]: Start isEmpty. Operand 9794 states and 13788 transitions. [2024-11-27 19:59:50,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1282 [2024-11-27 19:59:50,669 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:59:50,670 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 23, 23, 20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:59:50,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-27 19:59:50,671 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 19:59:50,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:59:50,672 INFO L85 PathProgramCache]: Analyzing trace with hash -777689967, now seen corresponding path program 1 times [2024-11-27 19:59:50,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:59:50,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265941210] [2024-11-27 19:59:50,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:59:50,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:00:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:00:07,611 INFO L134 CoverageAnalysis]: Checked inductivity of 3979 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3979 trivial. 0 not checked. [2024-11-27 20:00:07,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:00:07,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265941210] [2024-11-27 20:00:07,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265941210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:00:07,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:00:07,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:00:07,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115202808] [2024-11-27 20:00:07,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:00:07,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:00:07,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:00:07,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:00:07,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:00:07,617 INFO L87 Difference]: Start difference. First operand 9794 states and 13788 transitions. Second operand has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 2 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) [2024-11-27 20:00:08,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:00:08,417 INFO L93 Difference]: Finished difference Result 19573 states and 27587 transitions. [2024-11-27 20:00:08,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:00:08,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 2 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) Word has length 1281 [2024-11-27 20:00:08,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:00:08,452 INFO L225 Difference]: With dead ends: 19573 [2024-11-27 20:00:08,452 INFO L226 Difference]: Without dead ends: 9796 [2024-11-27 20:00:08,475 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:00:08,475 INFO L435 NwaCegarLoop]: 6752 mSDtfsCounter, 0 mSDsluCounter, 6746 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13498 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 [2024-11-27 20:00:08,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13498 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:00:08,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9796 states. [2024-11-27 20:00:09,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9796 to 9796. [2024-11-27 20:00:09,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9796 states, 7238 states have (on average 1.30049737496546) internal successors, (9413), 7326 states have internal predecessors, (9413), 2190 states have call successors, (2190), 368 states have call predecessors, (2190), 365 states have return successors, (2187), 2170 states have call predecessors, (2187), 2187 states have call successors, (2187) [2024-11-27 20:00:09,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9796 states to 9796 states and 13790 transitions. [2024-11-27 20:00:09,272 INFO L78 Accepts]: Start accepts. Automaton has 9796 states and 13790 transitions. Word has length 1281 [2024-11-27 20:00:09,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:00:09,273 INFO L471 AbstractCegarLoop]: Abstraction has 9796 states and 13790 transitions. [2024-11-27 20:00:09,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 2 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) [2024-11-27 20:00:09,273 INFO L276 IsEmpty]: Start isEmpty. Operand 9796 states and 13790 transitions. [2024-11-27 20:00:09,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1282 [2024-11-27 20:00:09,304 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:00:09,305 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 23, 23, 20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:00:09,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-27 20:00:09,305 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 20:00:09,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:00:09,306 INFO L85 PathProgramCache]: Analyzing trace with hash 801363919, now seen corresponding path program 1 times [2024-11-27 20:00:09,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:00:09,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691095327] [2024-11-27 20:00:09,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:00:09,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:00:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:00:26,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3979 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3979 trivial. 0 not checked. [2024-11-27 20:00:26,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:00:26,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691095327] [2024-11-27 20:00:26,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691095327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:00:26,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:00:26,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:00:26,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627026922] [2024-11-27 20:00:26,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:00:26,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:00:26,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:00:26,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:00:26,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:00:26,599 INFO L87 Difference]: Start difference. First operand 9796 states and 13790 transitions. Second operand has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 2 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) [2024-11-27 20:00:27,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:00:27,420 INFO L93 Difference]: Finished difference Result 19577 states and 27591 transitions. [2024-11-27 20:00:27,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:00:27,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 2 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) Word has length 1281 [2024-11-27 20:00:27,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:00:27,471 INFO L225 Difference]: With dead ends: 19577 [2024-11-27 20:00:27,472 INFO L226 Difference]: Without dead ends: 9798 [2024-11-27 20:00:27,508 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:00:27,509 INFO L435 NwaCegarLoop]: 6752 mSDtfsCounter, 0 mSDsluCounter, 6748 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13500 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:00:27,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13500 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:00:27,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9798 states. [2024-11-27 20:00:28,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9798 to 9798. [2024-11-27 20:00:28,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9798 states, 7240 states have (on average 1.300414364640884) internal successors, (9415), 7328 states have internal predecessors, (9415), 2190 states have call successors, (2190), 368 states have call predecessors, (2190), 365 states have return successors, (2187), 2170 states have call predecessors, (2187), 2187 states have call successors, (2187) [2024-11-27 20:00:28,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9798 states to 9798 states and 13792 transitions. [2024-11-27 20:00:28,167 INFO L78 Accepts]: Start accepts. Automaton has 9798 states and 13792 transitions. Word has length 1281 [2024-11-27 20:00:28,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:00:28,167 INFO L471 AbstractCegarLoop]: Abstraction has 9798 states and 13792 transitions. [2024-11-27 20:00:28,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 2 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) [2024-11-27 20:00:28,168 INFO L276 IsEmpty]: Start isEmpty. Operand 9798 states and 13792 transitions. [2024-11-27 20:00:28,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1282 [2024-11-27 20:00:28,190 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:00:28,191 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 23, 23, 20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:00:28,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-27 20:00:28,191 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 20:00:28,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:00:28,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1366732768, now seen corresponding path program 1 times [2024-11-27 20:00:28,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:00:28,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798919992] [2024-11-27 20:00:28,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:00:28,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:00:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:00:47,500 INFO L134 CoverageAnalysis]: Checked inductivity of 3979 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3973 trivial. 0 not checked. [2024-11-27 20:00:47,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:00:47,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798919992] [2024-11-27 20:00:47,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798919992] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:00:47,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749756718] [2024-11-27 20:00:47,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:00:47,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:00:47,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:00:47,505 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:00:47,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:01:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:01:12,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 10399 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:01:12,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:01:12,492 INFO L134 CoverageAnalysis]: Checked inductivity of 3979 backedges. 1203 proven. 0 refuted. 0 times theorem prover too weak. 2776 trivial. 0 not checked. [2024-11-27 20:01:12,492 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:01:12,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749756718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:01:12,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:01:12,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-27 20:01:12,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498907152] [2024-11-27 20:01:12,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:01:12,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:01:12,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:01:12,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:01:12,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:01:12,497 INFO L87 Difference]: Start difference. First operand 9798 states and 13792 transitions. Second operand has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 2 states have call successors, (131), 2 states have call predecessors, (131), 2 states have return successors, (130), 2 states have call predecessors, (130), 2 states have call successors, (130) [2024-11-27 20:01:13,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:01:13,313 INFO L93 Difference]: Finished difference Result 19617 states and 27721 transitions. [2024-11-27 20:01:13,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:01:13,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 2 states have call successors, (131), 2 states have call predecessors, (131), 2 states have return successors, (130), 2 states have call predecessors, (130), 2 states have call successors, (130) Word has length 1281 [2024-11-27 20:01:13,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:01:13,355 INFO L225 Difference]: With dead ends: 19617 [2024-11-27 20:01:13,355 INFO L226 Difference]: Without dead ends: 9836 [2024-11-27 20:01:13,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1283 GetRequests, 1281 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:01:13,382 INFO L435 NwaCegarLoop]: 6751 mSDtfsCounter, 16 mSDsluCounter, 6749 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 13500 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:01:13,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 13500 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:01:13,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9836 states. [2024-11-27 20:01:14,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9836 to 9800. [2024-11-27 20:01:14,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9800 states, 7242 states have (on average 1.3003314001657) internal successors, (9417), 7330 states have internal predecessors, (9417), 2190 states have call successors, (2190), 368 states have call predecessors, (2190), 365 states have return successors, (2187), 2170 states have call predecessors, (2187), 2187 states have call successors, (2187) [2024-11-27 20:01:14,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9800 states to 9800 states and 13794 transitions. [2024-11-27 20:01:14,289 INFO L78 Accepts]: Start accepts. Automaton has 9800 states and 13794 transitions. Word has length 1281 [2024-11-27 20:01:14,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:01:14,291 INFO L471 AbstractCegarLoop]: Abstraction has 9800 states and 13794 transitions. [2024-11-27 20:01:14,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 2 states have call successors, (131), 2 states have call predecessors, (131), 2 states have return successors, (130), 2 states have call predecessors, (130), 2 states have call successors, (130) [2024-11-27 20:01:14,292 INFO L276 IsEmpty]: Start isEmpty. Operand 9800 states and 13794 transitions. [2024-11-27 20:01:14,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1324 [2024-11-27 20:01:14,328 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:01:14,328 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 26, 26, 20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:01:14,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 20:01:14,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e678b0ad-b615-4b1c-bc1f-ca5d6eb6b915/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-27 20:01:14,530 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 20:01:14,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:01:14,531 INFO L85 PathProgramCache]: Analyzing trace with hash -166461970, now seen corresponding path program 1 times [2024-11-27 20:01:14,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:01:14,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529063705] [2024-11-27 20:01:14,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:01:14,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:01:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:01:31,582 INFO L134 CoverageAnalysis]: Checked inductivity of 4462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4462 trivial. 0 not checked. [2024-11-27 20:01:31,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:01:31,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529063705] [2024-11-27 20:01:31,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529063705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:01:31,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:01:31,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:01:31,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202581559] [2024-11-27 20:01:31,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:01:31,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:01:31,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:01:31,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:01:31,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:01:31,588 INFO L87 Difference]: Start difference. First operand 9800 states and 13794 transitions. Second operand has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 2 states have call successors, (128), 2 states have call predecessors, (128), 2 states have return successors, (127), 2 states have call predecessors, (127), 2 states have call successors, (127) [2024-11-27 20:01:32,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:01:32,439 INFO L93 Difference]: Finished difference Result 19587 states and 27727 transitions. [2024-11-27 20:01:32,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:01:32,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 2 states have call successors, (128), 2 states have call predecessors, (128), 2 states have return successors, (127), 2 states have call predecessors, (127), 2 states have call successors, (127) Word has length 1323 [2024-11-27 20:01:32,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:01:32,481 INFO L225 Difference]: With dead ends: 19587 [2024-11-27 20:01:32,481 INFO L226 Difference]: Without dead ends: 9804 [2024-11-27 20:01:32,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:01:32,507 INFO L435 NwaCegarLoop]: 6752 mSDtfsCounter, 0 mSDsluCounter, 6748 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13500 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:01:32,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13500 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:01:32,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9804 states. [2024-11-27 20:01:33,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9804 to 9804. [2024-11-27 20:01:33,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9804 states, 7246 states have (on average 1.3001656086116478) internal successors, (9421), 7334 states have internal predecessors, (9421), 2190 states have call successors, (2190), 368 states have call predecessors, (2190), 365 states have return successors, (2187), 2170 states have call predecessors, (2187), 2187 states have call successors, (2187) [2024-11-27 20:01:33,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9804 states to 9804 states and 13798 transitions. [2024-11-27 20:01:33,634 INFO L78 Accepts]: Start accepts. Automaton has 9804 states and 13798 transitions. Word has length 1323 [2024-11-27 20:01:33,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:01:33,635 INFO L471 AbstractCegarLoop]: Abstraction has 9804 states and 13798 transitions. [2024-11-27 20:01:33,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 2 states have call successors, (128), 2 states have call predecessors, (128), 2 states have return successors, (127), 2 states have call predecessors, (127), 2 states have call successors, (127) [2024-11-27 20:01:33,636 INFO L276 IsEmpty]: Start isEmpty. Operand 9804 states and 13798 transitions. [2024-11-27 20:01:33,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1324 [2024-11-27 20:01:33,654 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:01:33,655 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 26, 26, 20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:01:33,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-27 20:01:33,655 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 20:01:33,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:01:33,656 INFO L85 PathProgramCache]: Analyzing trace with hash 814288812, now seen corresponding path program 1 times [2024-11-27 20:01:33,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:01:33,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657930408] [2024-11-27 20:01:33,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:01:33,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:01:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:01:55,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4462 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4432 trivial. 0 not checked. [2024-11-27 20:01:55,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:01:55,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657930408] [2024-11-27 20:01:55,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657930408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:01:55,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:01:55,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:01:55,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857829030] [2024-11-27 20:01:55,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:01:55,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:01:55,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:01:55,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:01:55,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:01:55,733 INFO L87 Difference]: Start difference. First operand 9804 states and 13798 transitions. Second operand has 7 states, 7 states have (on average 64.14285714285714) internal successors, (449), 5 states have internal predecessors, (449), 2 states have call successors, (128), 2 states have call predecessors, (128), 4 states have return successors, (128), 4 states have call predecessors, (128), 2 states have call successors, (128) [2024-11-27 20:01:56,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:01:56,974 INFO L93 Difference]: Finished difference Result 19615 states and 27650 transitions. [2024-11-27 20:01:56,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:01:56,975 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 64.14285714285714) internal successors, (449), 5 states have internal predecessors, (449), 2 states have call successors, (128), 2 states have call predecessors, (128), 4 states have return successors, (128), 4 states have call predecessors, (128), 2 states have call successors, (128) Word has length 1323 [2024-11-27 20:01:56,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:01:57,041 INFO L225 Difference]: With dead ends: 19615 [2024-11-27 20:01:57,041 INFO L226 Difference]: Without dead ends: 9828 [2024-11-27 20:01:57,072 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:01:57,073 INFO L435 NwaCegarLoop]: 6752 mSDtfsCounter, 9 mSDsluCounter, 33747 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 40499 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:01:57,073 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 40499 Invalid, 27 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:01:57,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9828 states. [2024-11-27 20:01:57,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9828 to 9818. [2024-11-27 20:01:57,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9818 states, 7256 states have (on average 1.2997519294377067) internal successors, (9431), 7344 states have internal predecessors, (9431), 2190 states have call successors, (2190), 368 states have call predecessors, (2190), 369 states have return successors, (2209), 2174 states have call predecessors, (2209), 2187 states have call successors, (2209) [2024-11-27 20:01:57,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9818 states to 9818 states and 13830 transitions. [2024-11-27 20:01:57,895 INFO L78 Accepts]: Start accepts. Automaton has 9818 states and 13830 transitions. Word has length 1323 [2024-11-27 20:01:57,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:01:57,896 INFO L471 AbstractCegarLoop]: Abstraction has 9818 states and 13830 transitions. [2024-11-27 20:01:57,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 64.14285714285714) internal successors, (449), 5 states have internal predecessors, (449), 2 states have call successors, (128), 2 states have call predecessors, (128), 4 states have return successors, (128), 4 states have call predecessors, (128), 2 states have call successors, (128) [2024-11-27 20:01:57,897 INFO L276 IsEmpty]: Start isEmpty. Operand 9818 states and 13830 transitions. [2024-11-27 20:01:57,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1330 [2024-11-27 20:01:57,917 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:01:57,918 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 26, 26, 20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:01:57,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-27 20:01:57,918 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 20:01:57,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:01:57,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1993929350, now seen corresponding path program 1 times [2024-11-27 20:01:57,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:01:57,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137333602] [2024-11-27 20:01:57,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:01:57,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:02:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:02:17,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4462 trivial. 0 not checked. [2024-11-27 20:02:17,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:02:17,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137333602] [2024-11-27 20:02:17,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137333602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:02:17,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:02:17,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:02:17,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80037958] [2024-11-27 20:02:17,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:02:17,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:02:17,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:02:17,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:02:17,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:02:17,171 INFO L87 Difference]: Start difference. First operand 9818 states and 13830 transitions. Second operand has 6 states, 6 states have (on average 75.16666666666667) internal successors, (451), 6 states have internal predecessors, (451), 3 states have call successors, (129), 2 states have call predecessors, (129), 1 states have return successors, (128), 3 states have call predecessors, (128), 3 states have call successors, (128) [2024-11-27 20:02:18,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:02:18,653 INFO L93 Difference]: Finished difference Result 19631 states and 27654 transitions. [2024-11-27 20:02:18,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:02:18,653 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 75.16666666666667) internal successors, (451), 6 states have internal predecessors, (451), 3 states have call successors, (129), 2 states have call predecessors, (129), 1 states have return successors, (128), 3 states have call predecessors, (128), 3 states have call successors, (128) Word has length 1329 [2024-11-27 20:02:18,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:02:18,714 INFO L225 Difference]: With dead ends: 19631 [2024-11-27 20:02:18,714 INFO L226 Difference]: Without dead ends: 9830 [2024-11-27 20:02:18,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:02:18,743 INFO L435 NwaCegarLoop]: 6748 mSDtfsCounter, 0 mSDsluCounter, 26982 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33730 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:02:18,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33730 Invalid, 35 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:02:18,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9830 states. [2024-11-27 20:02:19,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9830 to 9830. [2024-11-27 20:02:19,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9830 states, 7266 states have (on average 1.2993393889347646) internal successors, (9441), 7354 states have internal predecessors, (9441), 2192 states have call successors, (2192), 368 states have call predecessors, (2192), 369 states have return successors, (2211), 2176 states have call predecessors, (2211), 2189 states have call successors, (2211) [2024-11-27 20:02:19,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9830 states to 9830 states and 13844 transitions. [2024-11-27 20:02:19,584 INFO L78 Accepts]: Start accepts. Automaton has 9830 states and 13844 transitions. Word has length 1329 [2024-11-27 20:02:19,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:02:19,585 INFO L471 AbstractCegarLoop]: Abstraction has 9830 states and 13844 transitions. [2024-11-27 20:02:19,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 75.16666666666667) internal successors, (451), 6 states have internal predecessors, (451), 3 states have call successors, (129), 2 states have call predecessors, (129), 1 states have return successors, (128), 3 states have call predecessors, (128), 3 states have call successors, (128) [2024-11-27 20:02:19,586 INFO L276 IsEmpty]: Start isEmpty. Operand 9830 states and 13844 transitions. [2024-11-27 20:02:19,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1330 [2024-11-27 20:02:19,622 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:02:19,623 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 26, 26, 20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:02:19,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-27 20:02:19,623 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 20:02:19,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:02:19,624 INFO L85 PathProgramCache]: Analyzing trace with hash 895846268, now seen corresponding path program 1 times [2024-11-27 20:02:19,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:02:19,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923053654] [2024-11-27 20:02:19,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:02:19,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:02:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:02:36,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4462 trivial. 0 not checked. [2024-11-27 20:02:36,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:02:36,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923053654] [2024-11-27 20:02:36,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923053654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:02:36,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:02:36,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:02:36,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502756593] [2024-11-27 20:02:36,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:02:36,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:02:36,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:02:36,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:02:36,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:02:36,719 INFO L87 Difference]: Start difference. First operand 9830 states and 13844 transitions. Second operand has 5 states, 5 states have (on average 90.2) internal successors, (451), 4 states have internal predecessors, (451), 2 states have call successors, (129), 2 states have call predecessors, (129), 1 states have return successors, (128), 2 states have call predecessors, (128), 2 states have call successors, (128) [2024-11-27 20:02:37,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:02:37,597 INFO L93 Difference]: Finished difference Result 9835 states and 13847 transitions. [2024-11-27 20:02:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:02:37,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 90.2) internal successors, (451), 4 states have internal predecessors, (451), 2 states have call successors, (129), 2 states have call predecessors, (129), 1 states have return successors, (128), 2 states have call predecessors, (128), 2 states have call successors, (128) Word has length 1329 [2024-11-27 20:02:37,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:02:37,634 INFO L225 Difference]: With dead ends: 9835 [2024-11-27 20:02:37,634 INFO L226 Difference]: Without dead ends: 9833 [2024-11-27 20:02:37,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:02:37,641 INFO L435 NwaCegarLoop]: 7322 mSDtfsCounter, 6164 mSDsluCounter, 21343 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6165 SdHoareTripleChecker+Valid, 28665 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:02:37,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6165 Valid, 28665 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:02:37,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9833 states. [2024-11-27 20:02:38,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9833 to 9830. [2024-11-27 20:02:38,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9830 states, 7266 states have (on average 1.2992017616295073) internal successors, (9440), 7354 states have internal predecessors, (9440), 2192 states have call successors, (2192), 368 states have call predecessors, (2192), 369 states have return successors, (2211), 2176 states have call predecessors, (2211), 2189 states have call successors, (2211) [2024-11-27 20:02:38,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9830 states to 9830 states and 13843 transitions. [2024-11-27 20:02:38,261 INFO L78 Accepts]: Start accepts. Automaton has 9830 states and 13843 transitions. Word has length 1329 [2024-11-27 20:02:38,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:02:38,262 INFO L471 AbstractCegarLoop]: Abstraction has 9830 states and 13843 transitions. [2024-11-27 20:02:38,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 90.2) internal successors, (451), 4 states have internal predecessors, (451), 2 states have call successors, (129), 2 states have call predecessors, (129), 1 states have return successors, (128), 2 states have call predecessors, (128), 2 states have call successors, (128) [2024-11-27 20:02:38,263 INFO L276 IsEmpty]: Start isEmpty. Operand 9830 states and 13843 transitions. [2024-11-27 20:02:38,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1380 [2024-11-27 20:02:38,288 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:02:38,288 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 26, 26, 20, 20, 14, 14, 14, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:02:38,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-27 20:02:38,289 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 20:02:38,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:02:38,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1278258575, now seen corresponding path program 1 times [2024-11-27 20:02:38,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:02:38,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655123580] [2024-11-27 20:02:38,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:02:38,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:02:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:02:55,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4715 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4715 trivial. 0 not checked. [2024-11-27 20:02:55,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:02:55,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655123580] [2024-11-27 20:02:55,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655123580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:02:55,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:02:55,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:02:55,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344692087] [2024-11-27 20:02:55,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:02:55,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:02:55,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:02:55,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:02:55,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:02:55,422 INFO L87 Difference]: Start difference. First operand 9830 states and 13843 transitions. Second operand has 5 states, 5 states have (on average 95.4) internal successors, (477), 5 states have internal predecessors, (477), 2 states have call successors, (137), 2 states have call predecessors, (137), 1 states have return successors, (135), 2 states have call predecessors, (135), 2 states have call successors, (135) [2024-11-27 20:02:56,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:02:56,261 INFO L93 Difference]: Finished difference Result 19245 states and 27093 transitions. [2024-11-27 20:02:56,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:02:56,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 95.4) internal successors, (477), 5 states have internal predecessors, (477), 2 states have call successors, (137), 2 states have call predecessors, (137), 1 states have return successors, (135), 2 states have call predecessors, (135), 2 states have call successors, (135) Word has length 1379 [2024-11-27 20:02:56,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:02:56,315 INFO L225 Difference]: With dead ends: 19245 [2024-11-27 20:02:56,315 INFO L226 Difference]: Without dead ends: 9432 [2024-11-27 20:02:56,344 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 [2024-11-27 20:02:56,345 INFO L435 NwaCegarLoop]: 6750 mSDtfsCounter, 0 mSDsluCounter, 20243 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26993 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:02:56,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26993 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:02:56,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9432 states. [2024-11-27 20:02:57,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9432 to 9432. [2024-11-27 20:02:57,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9432 states, 6955 states have (on average 1.298490294751977) internal successors, (9031), 7036 states have internal predecessors, (9031), 2111 states have call successors, (2111), 361 states have call predecessors, (2111), 363 states have return successors, (2130), 2100 states have call predecessors, (2130), 2108 states have call successors, (2130) [2024-11-27 20:02:57,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9432 states to 9432 states and 13272 transitions. [2024-11-27 20:02:57,481 INFO L78 Accepts]: Start accepts. Automaton has 9432 states and 13272 transitions. Word has length 1379 [2024-11-27 20:02:57,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:02:57,483 INFO L471 AbstractCegarLoop]: Abstraction has 9432 states and 13272 transitions. [2024-11-27 20:02:57,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 95.4) internal successors, (477), 5 states have internal predecessors, (477), 2 states have call successors, (137), 2 states have call predecessors, (137), 1 states have return successors, (135), 2 states have call predecessors, (135), 2 states have call successors, (135) [2024-11-27 20:02:57,483 INFO L276 IsEmpty]: Start isEmpty. Operand 9432 states and 13272 transitions. [2024-11-27 20:02:57,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1416 [2024-11-27 20:02:57,517 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:02:57,518 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 26, 26, 20, 20, 14, 14, 14, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:02:57,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-27 20:02:57,518 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 20:02:57,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:02:57,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1668089907, now seen corresponding path program 1 times [2024-11-27 20:02:57,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:02:57,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256239274] [2024-11-27 20:02:57,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:02:57,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:03:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:03:16,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4841 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 4725 trivial. 0 not checked. [2024-11-27 20:03:16,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:03:16,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256239274] [2024-11-27 20:03:16,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256239274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:03:16,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:03:16,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 20:03:16,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693929329] [2024-11-27 20:03:16,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:03:16,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:03:16,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:03:16,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:03:16,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:03:16,390 INFO L87 Difference]: Start difference. First operand 9432 states and 13272 transitions. Second operand has 8 states, 7 states have (on average 68.14285714285714) internal successors, (477), 6 states have internal predecessors, (477), 3 states have call successors, (137), 2 states have call predecessors, (137), 2 states have return successors, (135), 3 states have call predecessors, (135), 2 states have call successors, (135) [2024-11-27 20:03:26,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:03:26,951 INFO L93 Difference]: Finished difference Result 18852 states and 26528 transitions. [2024-11-27 20:03:26,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:03:26,952 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 68.14285714285714) internal successors, (477), 6 states have internal predecessors, (477), 3 states have call successors, (137), 2 states have call predecessors, (137), 2 states have return successors, (135), 3 states have call predecessors, (135), 2 states have call successors, (135) Word has length 1415 [2024-11-27 20:03:26,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:03:27,002 INFO L225 Difference]: With dead ends: 18852 [2024-11-27 20:03:27,002 INFO L226 Difference]: Without dead ends: 9437 [2024-11-27 20:03:27,031 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:03:27,031 INFO L435 NwaCegarLoop]: 6628 mSDtfsCounter, 2 mSDsluCounter, 39619 mSDsCounter, 0 mSdLazyCounter, 1055 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 46247 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:03:27,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 46247 Invalid, 1055 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1055 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2024-11-27 20:03:27,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9437 states. [2024-11-27 20:03:27,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9437 to 9435. [2024-11-27 20:03:27,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9435 states, 6957 states have (on average 1.2984044846916774) internal successors, (9033), 7037 states have internal predecessors, (9033), 2112 states have call successors, (2112), 361 states have call predecessors, (2112), 363 states have return successors, (2131), 2101 states have call predecessors, (2131), 2109 states have call successors, (2131) [2024-11-27 20:03:27,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9435 states to 9435 states and 13276 transitions. [2024-11-27 20:03:27,758 INFO L78 Accepts]: Start accepts. Automaton has 9435 states and 13276 transitions. Word has length 1415 [2024-11-27 20:03:27,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:03:27,759 INFO L471 AbstractCegarLoop]: Abstraction has 9435 states and 13276 transitions. [2024-11-27 20:03:27,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 68.14285714285714) internal successors, (477), 6 states have internal predecessors, (477), 3 states have call successors, (137), 2 states have call predecessors, (137), 2 states have return successors, (135), 3 states have call predecessors, (135), 2 states have call successors, (135) [2024-11-27 20:03:27,760 INFO L276 IsEmpty]: Start isEmpty. Operand 9435 states and 13276 transitions. [2024-11-27 20:03:27,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1383 [2024-11-27 20:03:27,777 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:03:27,777 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 26, 26, 20, 20, 14, 14, 14, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:03:27,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-27 20:03:27,778 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 20:03:27,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:03:27,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1338701308, now seen corresponding path program 1 times [2024-11-27 20:03:27,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:03:27,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718353379] [2024-11-27 20:03:27,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:03:27,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:03:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:03:46,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4718 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4718 trivial. 0 not checked. [2024-11-27 20:03:46,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:03:46,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718353379] [2024-11-27 20:03:46,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718353379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:03:46,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:03:46,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:03:46,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543155300] [2024-11-27 20:03:46,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:03:46,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:03:46,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:03:46,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:03:46,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:03:46,093 INFO L87 Difference]: Start difference. First operand 9435 states and 13276 transitions. Second operand has 5 states, 5 states have (on average 95.2) internal successors, (476), 4 states have internal predecessors, (476), 2 states have call successors, (138), 3 states have call predecessors, (138), 1 states have return successors, (136), 2 states have call predecessors, (136), 2 states have call successors, (136) [2024-11-27 20:03:50,173 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 [] [2024-11-27 20:03:51,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:03:51,858 INFO L93 Difference]: Finished difference Result 9435 states and 13276 transitions. [2024-11-27 20:03:51,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:03:51,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 95.2) internal successors, (476), 4 states have internal predecessors, (476), 2 states have call successors, (138), 3 states have call predecessors, (138), 1 states have return successors, (136), 2 states have call predecessors, (136), 2 states have call successors, (136) Word has length 1382 [2024-11-27 20:03:51,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:03:51,910 INFO L225 Difference]: With dead ends: 9435 [2024-11-27 20:03:51,910 INFO L226 Difference]: Without dead ends: 9433 [2024-11-27 20:03:51,916 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 [2024-11-27 20:03:51,917 INFO L435 NwaCegarLoop]: 12478 mSDtfsCounter, 6693 mSDsluCounter, 30714 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6694 SdHoareTripleChecker+Valid, 43192 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:03:51,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6694 Valid, 43192 Invalid, 35 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-27 20:03:51,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9433 states. [2024-11-27 20:03:52,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9433 to 9433. [2024-11-27 20:03:52,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9433 states, 6956 states have (on average 1.298303622771708) internal successors, (9031), 7035 states have internal predecessors, (9031), 2112 states have call successors, (2112), 361 states have call predecessors, (2112), 363 states have return successors, (2131), 2101 states have call predecessors, (2131), 2109 states have call successors, (2131) [2024-11-27 20:03:52,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9433 states to 9433 states and 13274 transitions. [2024-11-27 20:03:52,888 INFO L78 Accepts]: Start accepts. Automaton has 9433 states and 13274 transitions. Word has length 1382 [2024-11-27 20:03:52,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:03:52,890 INFO L471 AbstractCegarLoop]: Abstraction has 9433 states and 13274 transitions. [2024-11-27 20:03:52,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 95.2) internal successors, (476), 4 states have internal predecessors, (476), 2 states have call successors, (138), 3 states have call predecessors, (138), 1 states have return successors, (136), 2 states have call predecessors, (136), 2 states have call successors, (136) [2024-11-27 20:03:52,891 INFO L276 IsEmpty]: Start isEmpty. Operand 9433 states and 13274 transitions. [2024-11-27 20:03:52,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1435 [2024-11-27 20:03:52,928 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:03:52,929 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 26, 26, 20, 20, 14, 14, 14, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:03:52,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-27 20:03:52,930 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-27 20:03:52,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:03:52,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1287043414, now seen corresponding path program 1 times [2024-11-27 20:03:52,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:03:52,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132863034] [2024-11-27 20:03:52,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:03:52,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:11,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4756 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4730 trivial. 0 not checked. [2024-11-27 20:04:11,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:11,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132863034] [2024-11-27 20:04:11,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132863034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:11,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:11,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:04:11,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324937789] [2024-11-27 20:04:11,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:11,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:04:11,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:11,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:04:11,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:04:11,055 INFO L87 Difference]: Start difference. First operand 9433 states and 13274 transitions. Second operand has 6 states, 6 states have (on average 80.0) internal successors, (480), 6 states have internal predecessors, (480), 2 states have call successors, (137), 2 states have call predecessors, (137), 1 states have return successors, (136), 2 states have call predecessors, (136), 2 states have call successors, (136) [2024-11-27 20:04:11,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:11,890 INFO L93 Difference]: Finished difference Result 14337 states and 20186 transitions. [2024-11-27 20:04:11,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:04:11,890 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 80.0) internal successors, (480), 6 states have internal predecessors, (480), 2 states have call successors, (137), 2 states have call predecessors, (137), 1 states have return successors, (136), 2 states have call predecessors, (136), 2 states have call successors, (136) Word has length 1434 [2024-11-27 20:04:11,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:11,907 INFO L225 Difference]: With dead ends: 14337 [2024-11-27 20:04:11,907 INFO L226 Difference]: Without dead ends: 0 [2024-11-27 20:04:11,935 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:04:11,935 INFO L435 NwaCegarLoop]: 6341 mSDtfsCounter, 0 mSDsluCounter, 25349 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31690 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:11,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31690 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:04:11,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-27 20:04:11,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-27 20:04:11,936 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) [2024-11-27 20:04:11,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 20:04:11,949 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1434 [2024-11-27 20:04:11,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:11,950 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:04:11,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.0) internal successors, (480), 6 states have internal predecessors, (480), 2 states have call successors, (137), 2 states have call predecessors, (137), 1 states have return successors, (136), 2 states have call predecessors, (136), 2 states have call successors, (136) [2024-11-27 20:04:11,950 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-27 20:04:11,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-27 20:04:11,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-11-27 20:04:11,957 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2024-11-27 20:04:11,957 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2024-11-27 20:04:11,957 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2024-11-27 20:04:11,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-27 20:04:11,962 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:11,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.