./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7265a98e-d18e-42c6-af52-f7e382c8a384/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7265a98e-d18e-42c6-af52-f7e382c8a384/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7265a98e-d18e-42c6-af52-f7e382c8a384/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7265a98e-d18e-42c6-af52-f7e382c8a384/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7265a98e-d18e-42c6-af52-f7e382c8a384/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7265a98e-d18e-42c6-af52-f7e382c8a384/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4d7ff8719f426b76942b24d8f1f6edf4d7ceb082805a261509035adb3ede1f4a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:57:05,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:57:05,124 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7265a98e-d18e-42c6-af52-f7e382c8a384/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 02:57:05,131 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:57:05,132 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:57:05,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:57:05,168 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:57:05,168 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:57:05,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:57:05,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:57:05,169 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:57:05,169 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:57:05,169 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:57:05,169 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:57:05,169 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:57:05,169 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:57:05,169 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:57:05,169 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:57:05,169 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:57:05,170 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:57:05,170 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:57:05,170 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:57:05,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:57:05,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:57:05,170 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:57:05,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:57:05,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:57:05,171 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:57:05,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:57:05,171 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:57:05,171 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:57:05,171 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:57:05,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:57:05,171 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:57:05,171 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:57:05,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:57:05,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:57:05,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:57:05,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:57:05,172 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:57:05,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:57:05,172 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:57:05,172 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:57:05,172 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:57:05,172 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_7265a98e-d18e-42c6-af52-f7e382c8a384/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 4d7ff8719f426b76942b24d8f1f6edf4d7ceb082805a261509035adb3ede1f4a [2024-11-14 02:57:05,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:57:05,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:57:05,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:57:05,479 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:57:05,480 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:57:05,482 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7265a98e-d18e-42c6-af52-f7e382c8a384/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i Unable to find full path for "g++" [2024-11-14 02:57:07,361 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:57:08,048 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:57:08,049 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7265a98e-d18e-42c6-af52-f7e382c8a384/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2024-11-14 02:57:08,104 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7265a98e-d18e-42c6-af52-f7e382c8a384/bin/utaipan-verify-sOmjnqqW8E/data/b5f28c718/4cdaf3e595d44678869fcc6f378b6ca0/FLAGc6ec386b4 [2024-11-14 02:57:08,421 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7265a98e-d18e-42c6-af52-f7e382c8a384/bin/utaipan-verify-sOmjnqqW8E/data/b5f28c718/4cdaf3e595d44678869fcc6f378b6ca0 [2024-11-14 02:57:08,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:57:08,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:57:08,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:57:08,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:57:08,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:57:08,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:57:08" (1/1) ... [2024-11-14 02:57:08,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@633ca554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:08, skipping insertion in model container [2024-11-14 02:57:08,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:57:08" (1/1) ... [2024-11-14 02:57:08,629 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:57:12,418 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_7265a98e-d18e-42c6-af52-f7e382c8a384/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422318,422331] [2024-11-14 02:57:12,422 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_7265a98e-d18e-42c6-af52-f7e382c8a384/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422487,422500] [2024-11-14 02:57:12,422 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_7265a98e-d18e-42c6-af52-f7e382c8a384/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422654,422667] [2024-11-14 02:57:12,423 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_7265a98e-d18e-42c6-af52-f7e382c8a384/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422822,422835] [2024-11-14 02:57:12,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:57:12,560 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:57:12,728 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"); [5269] [2024-11-14 02:57:12,733 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)); [5276] [2024-11-14 02:57:12,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5283] [2024-11-14 02:57:12,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5324-5325] [2024-11-14 02:57:12,737 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"); [5330-5332] [2024-11-14 02:57:12,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5493] [2024-11-14 02:57:12,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5500] [2024-11-14 02:57:12,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5508] [2024-11-14 02:57:12,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5515] [2024-11-14 02:57:12,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5523] [2024-11-14 02:57:12,754 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/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5643-5644] [2024-11-14 02:57:12,757 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)); [5677-5678] [2024-11-14 02:57:12,759 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" (103), "i" (12UL)); [5714-5715] [2024-11-14 02:57:12,761 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" (115), "i" (12UL)); [5751-5752] [2024-11-14 02:57:12,770 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)); [6010-6011] [2024-11-14 02:57:12,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6017] [2024-11-14 02:57:12,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6292] [2024-11-14 02:57:12,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6295] [2024-11-14 02:57:12,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6298] [2024-11-14 02:57:12,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6301] [2024-11-14 02:57:12,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6332] [2024-11-14 02:57:12,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6335] [2024-11-14 02:57:12,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6338] [2024-11-14 02:57:12,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6341] [2024-11-14 02:57:12,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6372] [2024-11-14 02:57:12,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6375] [2024-11-14 02:57:12,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6378] [2024-11-14 02:57:12,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6381] [2024-11-14 02:57:12,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6412] [2024-11-14 02:57:12,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6415] [2024-11-14 02:57:12,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6418] [2024-11-14 02:57:12,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6421] [2024-11-14 02:57:12,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7189] [2024-11-14 02:57:12,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7703] [2024-11-14 02:57:12,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7726] [2024-11-14 02:57:12,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7733] [2024-11-14 02:57:12,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7760] [2024-11-14 02:57:12,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8179] [2024-11-14 02:57:12,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9799] [2024-11-14 02:57:12,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9864] [2024-11-14 02:57:12,992 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9874] [2024-11-14 02:57:12,992 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9886] [2024-11-14 02:57:12,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9908] [2024-11-14 02:57:13,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10098] [2024-11-14 02:57:13,177 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_7265a98e-d18e-42c6-af52-f7e382c8a384/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422318,422331] [2024-11-14 02:57:13,177 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_7265a98e-d18e-42c6-af52-f7e382c8a384/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422487,422500] [2024-11-14 02:57:13,178 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_7265a98e-d18e-42c6-af52-f7e382c8a384/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422654,422667] [2024-11-14 02:57:13,178 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_7265a98e-d18e-42c6-af52-f7e382c8a384/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422822,422835] [2024-11-14 02:57:13,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:57:13,571 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:57:13,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:13 WrapperNode [2024-11-14 02:57:13,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:57:13,577 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:57:13,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:57:13,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:57:13,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:13" (1/1) ... [2024-11-14 02:57:13,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:13" (1/1) ... [2024-11-14 02:57:14,095 INFO L138 Inliner]: procedures = 559, calls = 2963, calls flagged for inlining = 296, calls inlined = 262, statements flattened = 8877 [2024-11-14 02:57:14,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:57:14,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:57:14,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:57:14,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:57:14,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:13" (1/1) ... [2024-11-14 02:57:14,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:13" (1/1) ... [2024-11-14 02:57:14,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:13" (1/1) ... [2024-11-14 02:57:14,153 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:13" (1/1) ... [2024-11-14 02:57:14,404 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:13" (1/1) ... [2024-11-14 02:57:14,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:13" (1/1) ... [2024-11-14 02:57:14,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:13" (1/1) ... [2024-11-14 02:57:14,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:13" (1/1) ... [2024-11-14 02:57:14,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:57:14,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:57:14,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:57:14,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:57:14,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:13" (1/1) ... [2024-11-14 02:57:14,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:57:14,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7265a98e-d18e-42c6-af52-f7e382c8a384/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:57:14,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7265a98e-d18e-42c6-af52-f7e382c8a384/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:57:14,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7265a98e-d18e-42c6-af52-f7e382c8a384/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:57:14,684 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2024-11-14 02:57:14,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2024-11-14 02:57:14,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-14 02:57:14,684 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-14 02:57:14,684 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-14 02:57:14,684 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-14 02:57:14,684 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-14 02:57:14,684 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-14 02:57:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 02:57:14,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 02:57:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-14 02:57:14,685 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-14 02:57:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-14 02:57:14,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-14 02:57:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-14 02:57:14,685 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-14 02:57:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-14 02:57:14,685 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-14 02:57:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2024-11-14 02:57:14,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2024-11-14 02:57:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2024-11-14 02:57:14,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2024-11-14 02:57:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-14 02:57:14,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-14 02:57:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-14 02:57:14,686 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-14 02:57:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-14 02:57:14,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-14 02:57:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-14 02:57:14,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-14 02:57:14,687 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-14 02:57:14,687 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-14 02:57:14,687 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-14 02:57:14,687 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-14 02:57:14,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-14 02:57:14,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-14 02:57:14,687 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-14 02:57:14,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-14 02:57:14,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 02:57:14,687 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2024-11-14 02:57:14,688 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2024-11-14 02:57:14,688 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-14 02:57:14,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-14 02:57:14,688 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-14 02:57:14,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-14 02:57:14,688 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-14 02:57:14,688 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-14 02:57:14,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-14 02:57:14,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2024-11-14 02:57:14,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2024-11-14 02:57:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-14 02:57:14,689 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-14 02:57:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2024-11-14 02:57:14,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2024-11-14 02:57:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 02:57:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-14 02:57:14,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-14 02:57:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2024-11-14 02:57:14,690 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2024-11-14 02:57:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 02:57:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-14 02:57:14,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-14 02:57:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-14 02:57:14,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-14 02:57:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2024-11-14 02:57:14,690 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2024-11-14 02:57:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-14 02:57:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-14 02:57:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-14 02:57:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-14 02:57:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-14 02:57:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-14 02:57:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-14 02:57:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-14 02:57:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-14 02:57:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-14 02:57:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2024-11-14 02:57:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2024-11-14 02:57:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2024-11-14 02:57:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2024-11-14 02:57:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2024-11-14 02:57:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2024-11-14 02:57:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-14 02:57:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-14 02:57:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 02:57:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-14 02:57:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-14 02:57:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-14 02:57:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-14 02:57:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2024-11-14 02:57:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2024-11-14 02:57:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-11-14 02:57:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-11-14 02:57:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2024-11-14 02:57:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2024-11-14 02:57:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2024-11-14 02:57:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2024-11-14 02:57:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:57:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2024-11-14 02:57:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2024-11-14 02:57:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-14 02:57:14,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-14 02:57:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-14 02:57:14,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-14 02:57:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 02:57:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-11-14 02:57:14,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-11-14 02:57:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 02:57:14,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 02:57:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2024-11-14 02:57:14,694 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2024-11-14 02:57:14,695 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2024-11-14 02:57:14,695 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2024-11-14 02:57:14,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2024-11-14 02:57:14,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2024-11-14 02:57:14,695 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-14 02:57:14,695 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-14 02:57:14,695 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2024-11-14 02:57:14,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2024-11-14 02:57:14,695 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-14 02:57:14,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-14 02:57:14,696 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2024-11-14 02:57:14,696 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2024-11-14 02:57:14,696 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-14 02:57:14,696 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-14 02:57:14,696 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-14 02:57:14,696 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-14 02:57:14,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-14 02:57:14,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-14 02:57:14,696 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2024-11-14 02:57:14,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2024-11-14 02:57:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-11-14 02:57:14,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-11-14 02:57:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-14 02:57:14,697 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-14 02:57:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2024-11-14 02:57:14,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2024-11-14 02:57:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-11-14 02:57:14,697 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-11-14 02:57:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:57:14,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:57:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-14 02:57:14,697 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-14 02:57:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-14 02:57:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 02:57:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-14 02:57:14,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-14 02:57:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2024-11-14 02:57:14,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2024-11-14 02:57:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-14 02:57:14,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-14 02:57:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2024-11-14 02:57:14,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2024-11-14 02:57:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2024-11-14 02:57:14,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2024-11-14 02:57:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-14 02:57:14,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-14 02:57:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2024-11-14 02:57:14,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2024-11-14 02:57:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2024-11-14 02:57:14,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2024-11-14 02:57:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-14 02:57:14,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-14 02:57:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 02:57:14,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 02:57:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2024-11-14 02:57:14,698 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2024-11-14 02:57:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-14 02:57:14,698 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-14 02:57:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-14 02:57:14,699 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-14 02:57:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2024-11-14 02:57:14,699 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2024-11-14 02:57:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2024-11-14 02:57:14,699 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2024-11-14 02:57:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2024-11-14 02:57:14,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2024-11-14 02:57:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2024-11-14 02:57:14,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2024-11-14 02:57:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-14 02:57:14,700 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-14 02:57:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 02:57:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2024-11-14 02:57:14,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2024-11-14 02:57:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-14 02:57:14,701 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-14 02:57:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 02:57:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2024-11-14 02:57:14,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2024-11-14 02:57:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 02:57:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2024-11-14 02:57:14,701 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2024-11-14 02:57:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-14 02:57:14,701 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-14 02:57:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2024-11-14 02:57:14,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2024-11-14 02:57:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-11-14 02:57:14,702 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-11-14 02:57:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-14 02:57:14,702 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-14 02:57:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2024-11-14 02:57:14,702 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2024-11-14 02:57:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-14 02:57:14,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-14 02:57:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2024-11-14 02:57:14,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2024-11-14 02:57:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2024-11-14 02:57:14,703 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2024-11-14 02:57:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-14 02:57:14,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-14 02:57:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2024-11-14 02:57:14,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2024-11-14 02:57:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2024-11-14 02:57:14,703 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2024-11-14 02:57:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2024-11-14 02:57:14,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2024-11-14 02:57:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2024-11-14 02:57:14,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2024-11-14 02:57:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-11-14 02:57:14,703 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-11-14 02:57:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-14 02:57:14,704 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-14 02:57:14,704 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-14 02:57:14,704 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-14 02:57:14,704 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2024-11-14 02:57:14,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2024-11-14 02:57:14,704 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-14 02:57:14,704 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-14 02:57:14,704 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2024-11-14 02:57:14,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2024-11-14 02:57:14,704 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2024-11-14 02:57:14,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2024-11-14 02:57:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-14 02:57:14,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-14 02:57:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-14 02:57:14,705 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-14 02:57:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 02:57:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2024-11-14 02:57:14,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2024-11-14 02:57:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-14 02:57:14,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-14 02:57:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-14 02:57:14,705 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-14 02:57:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-11-14 02:57:14,705 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-11-14 02:57:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2024-11-14 02:57:14,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2024-11-14 02:57:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2024-11-14 02:57:14,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2024-11-14 02:57:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2024-11-14 02:57:14,705 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2024-11-14 02:57:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2024-11-14 02:57:14,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2024-11-14 02:57:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-14 02:57:14,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-14 02:57:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-14 02:57:14,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-14 02:57:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-14 02:57:14,706 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-14 02:57:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-14 02:57:14,706 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-14 02:57:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2024-11-14 02:57:14,706 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2024-11-14 02:57:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:57:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-14 02:57:14,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-14 02:57:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2024-11-14 02:57:14,706 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2024-11-14 02:57:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-14 02:57:14,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-14 02:57:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-14 02:57:14,706 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-14 02:57:16,065 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:57:16,069 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:57:16,372 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-14 02:57:36,627 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-14 02:57:38,509 INFO L? ?]: Removed 3366 outVars from TransFormulas that were not future-live. [2024-11-14 02:57:38,509 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:57:42,045 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:57:42,046 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-14 02:57:42,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:57:42 BoogieIcfgContainer [2024-11-14 02:57:42,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:57:42,048 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:57:42,048 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:57:42,053 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:57:42,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:57:08" (1/3) ... [2024-11-14 02:57:42,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba50dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:57:42, skipping insertion in model container [2024-11-14 02:57:42,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:13" (2/3) ... [2024-11-14 02:57:42,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba50dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:57:42, skipping insertion in model container [2024-11-14 02:57:42,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:57:42" (3/3) ... [2024-11-14 02:57:42,056 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2024-11-14 02:57:42,073 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:57:42,076 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i that has 129 procedures, 2278 locations, 1 initial locations, 4 loop locations, and 3 error locations. [2024-11-14 02:57:42,184 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:57:42,201 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=FINITE_AUTOMATA, 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;@6c5b6af9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:57:42,201 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-14 02:57:42,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 2276 states, 1379 states have (on average 1.327773749093546) internal successors, (1831), 1422 states have internal predecessors, (1831), 769 states have call successors, (769), 128 states have call predecessors, (769), 127 states have return successors, (761), 749 states have call predecessors, (761), 761 states have call successors, (761) [2024-11-14 02:57:42,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-14 02:57:42,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:57:42,231 INFO L215 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:57:42,232 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 02:57:42,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:57:42,236 INFO L85 PathProgramCache]: Analyzing trace with hash 904420554, now seen corresponding path program 1 times [2024-11-14 02:57:42,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:57:42,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869562270] [2024-11-14 02:57:42,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:57:42,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:57:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:57:48,875 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2024-11-14 02:57:48,876 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:57:48,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869562270] [2024-11-14 02:57:48,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869562270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:57:48,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:57:48,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:57:48,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117295282] [2024-11-14 02:57:48,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:57:48,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:57:48,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:57:48,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:57:48,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:57:48,915 INFO L87 Difference]: Start difference. First operand has 2276 states, 1379 states have (on average 1.327773749093546) internal successors, (1831), 1422 states have internal predecessors, (1831), 769 states have call successors, (769), 128 states have call predecessors, (769), 127 states have return successors, (761), 749 states have call predecessors, (761), 761 states have call successors, (761) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-14 02:57:51,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:57:53,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:01,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:04,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:06,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:07,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:58:07,854 INFO L93 Difference]: Finished difference Result 6594 states and 9899 transitions. [2024-11-14 02:58:07,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:58:07,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 152 [2024-11-14 02:58:07,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:58:07,918 INFO L225 Difference]: With dead ends: 6594 [2024-11-14 02:58:07,919 INFO L226 Difference]: Without dead ends: 4333 [2024-11-14 02:58:07,944 INFO L431 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 [2024-11-14 02:58:07,950 INFO L432 NwaCegarLoop]: 2830 mSDtfsCounter, 3148 mSDsluCounter, 2752 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 7 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3148 SdHoareTripleChecker+Valid, 5582 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2024-11-14 02:58:07,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3148 Valid, 5582 Invalid, 970 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 958 Invalid, 5 Unknown, 0 Unchecked, 18.5s Time] [2024-11-14 02:58:07,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4333 states. [2024-11-14 02:58:08,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4333 to 4329. [2024-11-14 02:58:08,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4329 states, 2630 states have (on average 1.3136882129277567) internal successors, (3455), 2701 states have internal predecessors, (3455), 1448 states have call successors, (1448), 249 states have call predecessors, (1448), 248 states have return successors, (1444), 1421 states have call predecessors, (1444), 1444 states have call successors, (1444) [2024-11-14 02:58:08,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4329 states to 4329 states and 6347 transitions. [2024-11-14 02:58:08,468 INFO L78 Accepts]: Start accepts. Automaton has 4329 states and 6347 transitions. Word has length 152 [2024-11-14 02:58:08,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:58:08,470 INFO L471 AbstractCegarLoop]: Abstraction has 4329 states and 6347 transitions. [2024-11-14 02:58:08,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-14 02:58:08,471 INFO L276 IsEmpty]: Start isEmpty. Operand 4329 states and 6347 transitions. [2024-11-14 02:58:08,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-14 02:58:08,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:58:08,479 INFO L215 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:58:08,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 02:58:08,480 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 02:58:08,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:58:08,480 INFO L85 PathProgramCache]: Analyzing trace with hash -36743897, now seen corresponding path program 1 times [2024-11-14 02:58:08,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:58:08,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156949867] [2024-11-14 02:58:08,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:08,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:58:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:58:14,666 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2024-11-14 02:58:14,667 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:58:14,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156949867] [2024-11-14 02:58:14,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156949867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:58:14,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:58:14,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:58:14,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081617263] [2024-11-14 02:58:14,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:58:14,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:58:14,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:58:14,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:58:14,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:58:14,674 INFO L87 Difference]: Start difference. First operand 4329 states and 6347 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-14 02:58:16,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:18,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:29,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:31,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:33,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:35,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:58:35,150 INFO L93 Difference]: Finished difference Result 12845 states and 18872 transitions. [2024-11-14 02:58:35,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:58:35,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 155 [2024-11-14 02:58:35,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:58:35,220 INFO L225 Difference]: With dead ends: 12845 [2024-11-14 02:58:35,220 INFO L226 Difference]: Without dead ends: 8543 [2024-11-14 02:58:35,248 INFO L431 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 [2024-11-14 02:58:35,249 INFO L432 NwaCegarLoop]: 3038 mSDtfsCounter, 3220 mSDsluCounter, 2734 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3220 SdHoareTripleChecker+Valid, 5772 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:58:35,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3220 Valid, 5772 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 995 Invalid, 4 Unknown, 0 Unchecked, 20.0s Time] [2024-11-14 02:58:35,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8543 states. [2024-11-14 02:58:35,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8543 to 8513. [2024-11-14 02:58:35,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8513 states, 5195 states have (on average 1.3162656400384987) internal successors, (6838), 5344 states have internal predecessors, (6838), 2826 states have call successors, (2826), 496 states have call predecessors, (2826), 489 states have return successors, (2856), 2756 states have call predecessors, (2856), 2822 states have call successors, (2856) [2024-11-14 02:58:35,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8513 states to 8513 states and 12520 transitions. [2024-11-14 02:58:35,801 INFO L78 Accepts]: Start accepts. Automaton has 8513 states and 12520 transitions. Word has length 155 [2024-11-14 02:58:35,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:58:35,802 INFO L471 AbstractCegarLoop]: Abstraction has 8513 states and 12520 transitions. [2024-11-14 02:58:35,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-14 02:58:35,802 INFO L276 IsEmpty]: Start isEmpty. Operand 8513 states and 12520 transitions. [2024-11-14 02:58:35,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-14 02:58:35,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:58:35,809 INFO L215 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:58:35,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 02:58:35,809 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 02:58:35,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:58:35,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1691120233, now seen corresponding path program 1 times [2024-11-14 02:58:35,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:58:35,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135595249] [2024-11-14 02:58:35,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:35,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:58:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:58:40,834 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2024-11-14 02:58:40,835 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:58:40,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135595249] [2024-11-14 02:58:40,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135595249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:58:40,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:58:40,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:58:40,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211596835] [2024-11-14 02:58:40,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:58:40,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:58:40,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:58:40,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:58:40,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:58:40,839 INFO L87 Difference]: Start difference. First operand 8513 states and 12520 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-14 02:58:42,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:45,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:49,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:56,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:58,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:59,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:58:59,922 INFO L93 Difference]: Finished difference Result 23335 states and 34111 transitions. [2024-11-14 02:58:59,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:58:59,923 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 153 [2024-11-14 02:58:59,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:59:00,032 INFO L225 Difference]: With dead ends: 23335 [2024-11-14 02:59:00,032 INFO L226 Difference]: Without dead ends: 14849 [2024-11-14 02:59:00,076 INFO L431 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 [2024-11-14 02:59:00,077 INFO L432 NwaCegarLoop]: 2802 mSDtfsCounter, 2388 mSDsluCounter, 2716 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 7 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2388 SdHoareTripleChecker+Valid, 5518 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2024-11-14 02:59:00,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2388 Valid, 5518 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1004 Invalid, 5 Unknown, 0 Unchecked, 18.6s Time] [2024-11-14 02:59:00,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14849 states. [2024-11-14 02:59:00,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14849 to 14817. [2024-11-14 02:59:00,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14817 states, 9009 states have (on average 1.3073593073593073) internal successors, (11778), 9258 states have internal predecessors, (11778), 4854 states have call successors, (4854), 966 states have call predecessors, (4854), 951 states have return successors, (4938), 4710 states have call predecessors, (4938), 4850 states have call successors, (4938) [2024-11-14 02:59:00,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14817 states to 14817 states and 21570 transitions. [2024-11-14 02:59:00,966 INFO L78 Accepts]: Start accepts. Automaton has 14817 states and 21570 transitions. Word has length 153 [2024-11-14 02:59:00,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:59:00,968 INFO L471 AbstractCegarLoop]: Abstraction has 14817 states and 21570 transitions. [2024-11-14 02:59:00,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-14 02:59:00,970 INFO L276 IsEmpty]: Start isEmpty. Operand 14817 states and 21570 transitions. [2024-11-14 02:59:00,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-14 02:59:00,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:59:00,979 INFO L215 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:59:00,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 02:59:00,979 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 02:59:00,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:59:00,980 INFO L85 PathProgramCache]: Analyzing trace with hash -324414572, now seen corresponding path program 1 times [2024-11-14 02:59:00,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:59:00,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624295502] [2024-11-14 02:59:00,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:59:00,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:59:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:59:06,597 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2024-11-14 02:59:06,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:59:06,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624295502] [2024-11-14 02:59:06,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624295502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:59:06,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:59:06,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:59:06,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383385703] [2024-11-14 02:59:06,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:59:06,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:59:06,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:59:06,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:59:06,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:59:06,599 INFO L87 Difference]: Start difference. First operand 14817 states and 21570 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-14 02:59:08,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:10,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:17,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:19,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:22,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:29,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:59:29,756 INFO L93 Difference]: Finished difference Result 33547 states and 48300 transitions. [2024-11-14 02:59:29,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:59:29,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 156 [2024-11-14 02:59:29,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:59:29,906 INFO L225 Difference]: With dead ends: 33547 [2024-11-14 02:59:29,907 INFO L226 Difference]: Without dead ends: 18757 [2024-11-14 02:59:29,998 INFO L431 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 [2024-11-14 02:59:29,999 INFO L432 NwaCegarLoop]: 4580 mSDtfsCounter, 2948 mSDsluCounter, 2759 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 17 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2948 SdHoareTripleChecker+Valid, 7339 SdHoareTripleChecker+Invalid, 1338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:59:29,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2948 Valid, 7339 Invalid, 1338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1316 Invalid, 5 Unknown, 0 Unchecked, 22.2s Time] [2024-11-14 02:59:30,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18757 states. [2024-11-14 02:59:31,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18757 to 18723. [2024-11-14 02:59:31,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18723 states, 11302 states have (on average 1.2927800389311626) internal successors, (14611), 11594 states have internal predecessors, (14611), 5979 states have call successors, (5979), 1458 states have call predecessors, (5979), 1439 states have return successors, (6062), 5783 states have call predecessors, (6062), 5975 states have call successors, (6062) [2024-11-14 02:59:31,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18723 states to 18723 states and 26652 transitions. [2024-11-14 02:59:31,278 INFO L78 Accepts]: Start accepts. Automaton has 18723 states and 26652 transitions. Word has length 156 [2024-11-14 02:59:31,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:59:31,279 INFO L471 AbstractCegarLoop]: Abstraction has 18723 states and 26652 transitions. [2024-11-14 02:59:31,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-14 02:59:31,280 INFO L276 IsEmpty]: Start isEmpty. Operand 18723 states and 26652 transitions. [2024-11-14 02:59:31,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-14 02:59:31,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:59:31,291 INFO L215 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:59:31,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 02:59:31,291 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 02:59:31,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:59:31,292 INFO L85 PathProgramCache]: Analyzing trace with hash 212435785, now seen corresponding path program 1 times [2024-11-14 02:59:31,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:59:31,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58597982] [2024-11-14 02:59:31,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:59:31,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:59:36,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:59:37,484 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2024-11-14 02:59:37,485 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:59:37,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58597982] [2024-11-14 02:59:37,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58597982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:59:37,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:59:37,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:59:37,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210849813] [2024-11-14 02:59:37,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:59:37,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 02:59:37,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:59:37,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 02:59:37,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 02:59:37,488 INFO L87 Difference]: Start difference. First operand 18723 states and 26652 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-14 02:59:39,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:41,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:43,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:52,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:54,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:59:56,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:03,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:00:03,966 INFO L93 Difference]: Finished difference Result 18855 states and 26782 transitions. [2024-11-14 03:00:03,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:00:03,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 202 [2024-11-14 03:00:03,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:00:04,081 INFO L225 Difference]: With dead ends: 18855 [2024-11-14 03:00:04,081 INFO L226 Difference]: Without dead ends: 18853 [2024-11-14 03:00:04,096 INFO L431 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 [2024-11-14 03:00:04,097 INFO L432 NwaCegarLoop]: 2793 mSDtfsCounter, 3205 mSDsluCounter, 5601 mSDsCounter, 0 mSdLazyCounter, 1458 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3206 SdHoareTripleChecker+Valid, 8394 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1458 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2024-11-14 03:00:04,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3206 Valid, 8394 Invalid, 1465 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1458 Invalid, 6 Unknown, 0 Unchecked, 25.8s Time] [2024-11-14 03:00:04,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18853 states. [2024-11-14 03:00:05,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18853 to 18851. [2024-11-14 03:00:05,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18851 states, 11377 states have (on average 1.2919047200492222) internal successors, (14698), 11673 states have internal predecessors, (14698), 5999 states have call successors, (5999), 1491 states have call predecessors, (5999), 1472 states have return successors, (6082), 5803 states have call predecessors, (6082), 5995 states have call successors, (6082) [2024-11-14 03:00:05,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18851 states to 18851 states and 26779 transitions. [2024-11-14 03:00:05,340 INFO L78 Accepts]: Start accepts. Automaton has 18851 states and 26779 transitions. Word has length 202 [2024-11-14 03:00:05,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:00:05,340 INFO L471 AbstractCegarLoop]: Abstraction has 18851 states and 26779 transitions. [2024-11-14 03:00:05,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-14 03:00:05,341 INFO L276 IsEmpty]: Start isEmpty. Operand 18851 states and 26779 transitions. [2024-11-14 03:00:05,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-14 03:00:05,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:00:05,349 INFO L215 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:00:05,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 03:00:05,349 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 03:00:05,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:00:05,349 INFO L85 PathProgramCache]: Analyzing trace with hash 762063494, now seen corresponding path program 1 times [2024-11-14 03:00:05,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:00:05,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892310747] [2024-11-14 03:00:05,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:00:05,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:00:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:00:11,091 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2024-11-14 03:00:11,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:00:11,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892310747] [2024-11-14 03:00:11,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892310747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:00:11,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:00:11,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:00:11,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587643416] [2024-11-14 03:00:11,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:00:11,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:00:11,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:00:11,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:00:11,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:00:11,093 INFO L87 Difference]: Start difference. First operand 18851 states and 26779 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-14 03:00:13,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:15,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:17,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:26,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:28,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:29,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:36,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:00:36,408 INFO L93 Difference]: Finished difference Result 18857 states and 26784 transitions. [2024-11-14 03:00:36,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:00:36,408 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 207 [2024-11-14 03:00:36,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:00:36,527 INFO L225 Difference]: With dead ends: 18857 [2024-11-14 03:00:36,528 INFO L226 Difference]: Without dead ends: 18855 [2024-11-14 03:00:36,544 INFO L431 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 [2024-11-14 03:00:36,546 INFO L432 NwaCegarLoop]: 2798 mSDtfsCounter, 3213 mSDsluCounter, 5577 mSDsCounter, 0 mSdLazyCounter, 1440 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3214 SdHoareTripleChecker+Valid, 8375 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1440 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:00:36,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3214 Valid, 8375 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1440 Invalid, 5 Unknown, 0 Unchecked, 24.6s Time] [2024-11-14 03:00:36,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18855 states. [2024-11-14 03:00:37,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18855 to 18855. [2024-11-14 03:00:37,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18855 states, 11380 states have (on average 1.2918277680140597) internal successors, (14701), 11676 states have internal predecessors, (14701), 5999 states have call successors, (5999), 1492 states have call predecessors, (5999), 1473 states have return successors, (6082), 5803 states have call predecessors, (6082), 5995 states have call successors, (6082) [2024-11-14 03:00:37,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18855 states to 18855 states and 26782 transitions. [2024-11-14 03:00:37,654 INFO L78 Accepts]: Start accepts. Automaton has 18855 states and 26782 transitions. Word has length 207 [2024-11-14 03:00:37,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:00:37,655 INFO L471 AbstractCegarLoop]: Abstraction has 18855 states and 26782 transitions. [2024-11-14 03:00:37,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-14 03:00:37,655 INFO L276 IsEmpty]: Start isEmpty. Operand 18855 states and 26782 transitions. [2024-11-14 03:00:37,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-14 03:00:37,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:00:37,661 INFO L215 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:00:37,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 03:00:37,661 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 03:00:37,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:00:37,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1379157478, now seen corresponding path program 1 times [2024-11-14 03:00:37,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:00:37,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455570239] [2024-11-14 03:00:37,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:00:37,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:00:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:00:43,818 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 771 trivial. 0 not checked. [2024-11-14 03:00:43,819 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:00:43,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455570239] [2024-11-14 03:00:43,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455570239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:00:43,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:00:43,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:00:43,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229676274] [2024-11-14 03:00:43,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:00:43,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:00:43,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:00:43,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:00:43,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:00:43,822 INFO L87 Difference]: Start difference. First operand 18855 states and 26782 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-14 03:00:45,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:48,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:50,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:00:58,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:00,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:02,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:09,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:01:09,975 INFO L93 Difference]: Finished difference Result 18861 states and 26787 transitions. [2024-11-14 03:01:09,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:01:09,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 211 [2024-11-14 03:01:09,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:01:10,089 INFO L225 Difference]: With dead ends: 18861 [2024-11-14 03:01:10,089 INFO L226 Difference]: Without dead ends: 18859 [2024-11-14 03:01:10,103 INFO L431 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 [2024-11-14 03:01:10,104 INFO L432 NwaCegarLoop]: 2798 mSDtfsCounter, 3213 mSDsluCounter, 5577 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3214 SdHoareTripleChecker+Valid, 8375 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:01:10,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3214 Valid, 8375 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1439 Invalid, 6 Unknown, 0 Unchecked, 25.3s Time] [2024-11-14 03:01:10,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18859 states. [2024-11-14 03:01:11,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18859 to 18859. [2024-11-14 03:01:11,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18859 states, 11383 states have (on average 1.291750856540455) internal successors, (14704), 11679 states have internal predecessors, (14704), 5999 states have call successors, (5999), 1493 states have call predecessors, (5999), 1474 states have return successors, (6082), 5803 states have call predecessors, (6082), 5995 states have call successors, (6082) [2024-11-14 03:01:11,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18859 states to 18859 states and 26785 transitions. [2024-11-14 03:01:11,253 INFO L78 Accepts]: Start accepts. Automaton has 18859 states and 26785 transitions. Word has length 211 [2024-11-14 03:01:11,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:01:11,253 INFO L471 AbstractCegarLoop]: Abstraction has 18859 states and 26785 transitions. [2024-11-14 03:01:11,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-14 03:01:11,253 INFO L276 IsEmpty]: Start isEmpty. Operand 18859 states and 26785 transitions. [2024-11-14 03:01:11,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-14 03:01:11,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:01:11,261 INFO L215 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:01:11,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 03:01:11,261 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 03:01:11,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:01:11,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1458411957, now seen corresponding path program 1 times [2024-11-14 03:01:11,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:01:11,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705041656] [2024-11-14 03:01:11,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:01:11,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:01:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:01:16,324 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2024-11-14 03:01:16,324 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:01:16,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705041656] [2024-11-14 03:01:16,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705041656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:01:16,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:01:16,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:01:16,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374393315] [2024-11-14 03:01:16,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:01:16,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:01:16,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:01:16,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:01:16,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:01:16,326 INFO L87 Difference]: Start difference. First operand 18859 states and 26785 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-14 03:01:18,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:20,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:27,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:30,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:32,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:39,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:01:39,568 INFO L93 Difference]: Finished difference Result 45036 states and 63855 transitions. [2024-11-14 03:01:39,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:01:39,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 211 [2024-11-14 03:01:39,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:01:39,787 INFO L225 Difference]: With dead ends: 45036 [2024-11-14 03:01:39,787 INFO L226 Difference]: Without dead ends: 26401 [2024-11-14 03:01:39,890 INFO L431 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 [2024-11-14 03:01:39,891 INFO L432 NwaCegarLoop]: 4097 mSDtfsCounter, 2943 mSDsluCounter, 2753 mSDsCounter, 0 mSdLazyCounter, 1231 mSolverCounterSat, 15 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2943 SdHoareTripleChecker+Valid, 6850 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1231 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:01:39,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2943 Valid, 6850 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1231 Invalid, 5 Unknown, 0 Unchecked, 22.1s Time] [2024-11-14 03:01:39,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26401 states. [2024-11-14 03:01:41,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26401 to 26355. [2024-11-14 03:01:41,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26355 states, 15881 states have (on average 1.2902210188275298) internal successors, (20490), 16302 states have internal predecessors, (20490), 8346 states have call successors, (8346), 2153 states have call predecessors, (8346), 2125 states have return successors, (8461), 8064 states have call predecessors, (8461), 8342 states have call successors, (8461) [2024-11-14 03:01:41,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26355 states to 26355 states and 37297 transitions. [2024-11-14 03:01:41,937 INFO L78 Accepts]: Start accepts. Automaton has 26355 states and 37297 transitions. Word has length 211 [2024-11-14 03:01:41,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:01:41,937 INFO L471 AbstractCegarLoop]: Abstraction has 26355 states and 37297 transitions. [2024-11-14 03:01:41,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-14 03:01:41,937 INFO L276 IsEmpty]: Start isEmpty. Operand 26355 states and 37297 transitions. [2024-11-14 03:01:41,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-14 03:01:41,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:01:41,945 INFO L215 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:01:41,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 03:01:41,945 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 03:01:41,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:01:41,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1060271112, now seen corresponding path program 1 times [2024-11-14 03:01:41,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:01:41,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831701891] [2024-11-14 03:01:41,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:01:41,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:01:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:01:47,584 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2024-11-14 03:01:47,584 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:01:47,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831701891] [2024-11-14 03:01:47,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831701891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:01:47,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:01:47,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:01:47,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551147505] [2024-11-14 03:01:47,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:01:47,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:01:47,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:01:47,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:01:47,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:01:47,587 INFO L87 Difference]: Start difference. First operand 26355 states and 37297 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-14 03:01:49,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:51,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:01:54,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:01,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:03,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:05,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:14,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:02:14,088 INFO L93 Difference]: Finished difference Result 26361 states and 37302 transitions. [2024-11-14 03:02:14,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:02:14,088 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 218 [2024-11-14 03:02:14,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:02:14,250 INFO L225 Difference]: With dead ends: 26361 [2024-11-14 03:02:14,250 INFO L226 Difference]: Without dead ends: 26359 [2024-11-14 03:02:14,273 INFO L431 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 [2024-11-14 03:02:14,273 INFO L432 NwaCegarLoop]: 2798 mSDtfsCounter, 3211 mSDsluCounter, 5577 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3212 SdHoareTripleChecker+Valid, 8375 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:02:14,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3212 Valid, 8375 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1439 Invalid, 6 Unknown, 0 Unchecked, 25.5s Time] [2024-11-14 03:02:14,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26359 states. [2024-11-14 03:02:15,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26359 to 26359. [2024-11-14 03:02:15,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26359 states, 15884 states have (on average 1.2901662049861495) internal successors, (20493), 16305 states have internal predecessors, (20493), 8346 states have call successors, (8346), 2154 states have call predecessors, (8346), 2126 states have return successors, (8461), 8064 states have call predecessors, (8461), 8342 states have call successors, (8461) [2024-11-14 03:02:15,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26359 states to 26359 states and 37300 transitions. [2024-11-14 03:02:15,888 INFO L78 Accepts]: Start accepts. Automaton has 26359 states and 37300 transitions. Word has length 218 [2024-11-14 03:02:15,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:02:15,889 INFO L471 AbstractCegarLoop]: Abstraction has 26359 states and 37300 transitions. [2024-11-14 03:02:15,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-14 03:02:15,889 INFO L276 IsEmpty]: Start isEmpty. Operand 26359 states and 37300 transitions. [2024-11-14 03:02:15,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-14 03:02:15,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:02:15,893 INFO L215 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 5, 4, 4, 4, 4, 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] [2024-11-14 03:02:15,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 03:02:15,894 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 03:02:15,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:02:15,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1563133705, now seen corresponding path program 1 times [2024-11-14 03:02:15,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:02:15,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448259635] [2024-11-14 03:02:15,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:02:15,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:02:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:02:22,043 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2024-11-14 03:02:22,043 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:02:22,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448259635] [2024-11-14 03:02:22,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448259635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:02:22,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:02:22,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:02:22,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819147817] [2024-11-14 03:02:22,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:02:22,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:02:22,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:02:22,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:02:22,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:02:22,045 INFO L87 Difference]: Start difference. First operand 26359 states and 37300 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-14 03:02:24,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:26,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:28,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:35,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:37,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:39,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:48,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:02:48,309 INFO L93 Difference]: Finished difference Result 26365 states and 37305 transitions. [2024-11-14 03:02:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:02:48,310 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 222 [2024-11-14 03:02:48,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:02:48,434 INFO L225 Difference]: With dead ends: 26365 [2024-11-14 03:02:48,434 INFO L226 Difference]: Without dead ends: 26363 [2024-11-14 03:02:48,449 INFO L431 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 [2024-11-14 03:02:48,450 INFO L432 NwaCegarLoop]: 2798 mSDtfsCounter, 3210 mSDsluCounter, 5577 mSDsCounter, 0 mSdLazyCounter, 1440 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3211 SdHoareTripleChecker+Valid, 8375 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1440 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:02:48,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3211 Valid, 8375 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1440 Invalid, 5 Unknown, 0 Unchecked, 25.0s Time] [2024-11-14 03:02:48,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26363 states. [2024-11-14 03:02:49,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26363 to 26363. [2024-11-14 03:02:49,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26363 states, 15887 states have (on average 1.2901114118461636) internal successors, (20496), 16308 states have internal predecessors, (20496), 8346 states have call successors, (8346), 2155 states have call predecessors, (8346), 2127 states have return successors, (8461), 8064 states have call predecessors, (8461), 8342 states have call successors, (8461) [2024-11-14 03:02:49,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26363 states to 26363 states and 37303 transitions. [2024-11-14 03:02:50,008 INFO L78 Accepts]: Start accepts. Automaton has 26363 states and 37303 transitions. Word has length 222 [2024-11-14 03:02:50,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:02:50,008 INFO L471 AbstractCegarLoop]: Abstraction has 26363 states and 37303 transitions. [2024-11-14 03:02:50,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-14 03:02:50,008 INFO L276 IsEmpty]: Start isEmpty. Operand 26363 states and 37303 transitions. [2024-11-14 03:02:50,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-14 03:02:50,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:02:50,014 INFO L215 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:02:50,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 03:02:50,014 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 03:02:50,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:02:50,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1154145734, now seen corresponding path program 1 times [2024-11-14 03:02:50,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:02:50,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861511427] [2024-11-14 03:02:50,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:02:50,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:02:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:02:55,255 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2024-11-14 03:02:55,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:02:55,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861511427] [2024-11-14 03:02:55,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861511427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:02:55,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:02:55,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:02:55,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529942621] [2024-11-14 03:02:55,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:02:55,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:02:55,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:02:55,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:02:55,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:02:55,258 INFO L87 Difference]: Start difference. First operand 26363 states and 37303 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-14 03:02:57,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:02:59,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:01,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:09,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:11,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:13,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:03:21,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:03:21,661 INFO L93 Difference]: Finished difference Result 26369 states and 37308 transitions. [2024-11-14 03:03:21,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:03:21,661 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 227 [2024-11-14 03:03:21,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:03:21,759 INFO L225 Difference]: With dead ends: 26369 [2024-11-14 03:03:21,760 INFO L226 Difference]: Without dead ends: 26367 [2024-11-14 03:03:21,772 INFO L431 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 [2024-11-14 03:03:21,773 INFO L432 NwaCegarLoop]: 2798 mSDtfsCounter, 3209 mSDsluCounter, 5577 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3210 SdHoareTripleChecker+Valid, 8375 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:03:21,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3210 Valid, 8375 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1439 Invalid, 6 Unknown, 0 Unchecked, 25.0s Time] [2024-11-14 03:03:21,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26367 states. [2024-11-14 03:03:23,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26367 to 26367. [2024-11-14 03:03:23,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26367 states, 15890 states have (on average 1.2900566393958464) internal successors, (20499), 16311 states have internal predecessors, (20499), 8346 states have call successors, (8346), 2156 states have call predecessors, (8346), 2128 states have return successors, (8461), 8064 states have call predecessors, (8461), 8342 states have call successors, (8461) [2024-11-14 03:03:23,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26367 states to 26367 states and 37306 transitions. [2024-11-14 03:03:23,405 INFO L78 Accepts]: Start accepts. Automaton has 26367 states and 37306 transitions. Word has length 227 [2024-11-14 03:03:23,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:03:23,405 INFO L471 AbstractCegarLoop]: Abstraction has 26367 states and 37306 transitions. [2024-11-14 03:03:23,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-14 03:03:23,405 INFO L276 IsEmpty]: Start isEmpty. Operand 26367 states and 37306 transitions. [2024-11-14 03:03:23,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-14 03:03:23,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:03:23,410 INFO L215 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:03:23,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 03:03:23,410 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-14 03:03:23,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:03:23,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1937863846, now seen corresponding path program 1 times [2024-11-14 03:03:23,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:03:23,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629157472] [2024-11-14 03:03:23,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:03:23,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms