./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9778203c-f085-4d14-81a6-e8bb4721e1a7/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9778203c-f085-4d14-81a6-e8bb4721e1a7/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9778203c-f085-4d14-81a6-e8bb4721e1a7/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9778203c-f085-4d14-81a6-e8bb4721e1a7/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9778203c-f085-4d14-81a6-e8bb4721e1a7/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9778203c-f085-4d14-81a6-e8bb4721e1a7/bin/utaipan-verify-SwPr7d2a91 --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 75b1aed7e7cb1bec6496160634d456a50c33979e7f90c34d568c6a02281e03b1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:03:54,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:03:54,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9778203c-f085-4d14-81a6-e8bb4721e1a7/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:03:54,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:03:54,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:03:55,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:03:55,033 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:03:55,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:03:55,034 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:03:55,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:03:55,040 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:03:55,040 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:03:55,041 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:03:55,042 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:03:55,043 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:03:55,043 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:03:55,043 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:03:55,044 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:03:55,044 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:03:55,045 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:03:55,045 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:03:55,046 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:03:55,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:03:55,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:03:55,048 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:03:55,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:03:55,049 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:03:55,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:03:55,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:03:55,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:03:55,051 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:03:55,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:03:55,052 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:03:55,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:03:55,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:03:55,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:03:55,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:03:55,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:03:55,053 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:03:55,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:03:55,054 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:03:55,054 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:03:55,054 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:03:55,055 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:03:55,055 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9778203c-f085-4d14-81a6-e8bb4721e1a7/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9778203c-f085-4d14-81a6-e8bb4721e1a7/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75b1aed7e7cb1bec6496160634d456a50c33979e7f90c34d568c6a02281e03b1 [2023-11-25 00:03:55,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:03:55,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:03:55,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:03:55,380 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:03:55,381 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:03:55,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9778203c-f085-4d14-81a6-e8bb4721e1a7/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2023-11-25 00:03:58,672 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:03:59,344 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:03:59,345 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9778203c-f085-4d14-81a6-e8bb4721e1a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2023-11-25 00:03:59,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9778203c-f085-4d14-81a6-e8bb4721e1a7/bin/utaipan-verify-SwPr7d2a91/data/7bb0b71be/56c04c7811ce4f82b9013f7eb4980205/FLAG0536ea9dc [2023-11-25 00:03:59,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9778203c-f085-4d14-81a6-e8bb4721e1a7/bin/utaipan-verify-SwPr7d2a91/data/7bb0b71be/56c04c7811ce4f82b9013f7eb4980205 [2023-11-25 00:03:59,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:03:59,451 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:03:59,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:03:59,456 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:03:59,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:03:59,463 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:03:59" (1/1) ... [2023-11-25 00:03:59,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c3c5a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:59, skipping insertion in model container [2023-11-25 00:03:59,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:03:59" (1/1) ... [2023-11-25 00:03:59,726 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:04:03,185 WARN L240 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_9778203c-f085-4d14-81a6-e8bb4721e1a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[347848,347861] [2023-11-25 00:04:03,190 WARN L240 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_9778203c-f085-4d14-81a6-e8bb4721e1a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348017,348030] [2023-11-25 00:04:03,190 WARN L240 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_9778203c-f085-4d14-81a6-e8bb4721e1a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348184,348197] [2023-11-25 00:04:03,191 WARN L240 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_9778203c-f085-4d14-81a6-e8bb4721e1a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348352,348365] [2023-11-25 00:04:03,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:04:03,249 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:04:03,435 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"); [5698] [2023-11-25 00:04:03,438 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)); [5705] [2023-11-25 00:04:03,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5712] [2023-11-25 00:04:03,441 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)); [5752-5753] [2023-11-25 00:04:03,441 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"); [5758-5760] [2023-11-25 00:04:03,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [5787] [2023-11-25 00:04:03,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [5841] [2023-11-25 00:04:03,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5844] [2023-11-25 00:04:03,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5847] [2023-11-25 00:04:03,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5850] [2023-11-25 00:04:03,446 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5902] [2023-11-25 00:04:03,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5910] [2023-11-25 00:04:03,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5917] [2023-11-25 00:04:03,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5925] [2023-11-25 00:04:03,452 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)); [6030-6031] [2023-11-25 00:04:03,454 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)); [6064-6065] [2023-11-25 00:04:03,456 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)); [6101-6102] [2023-11-25 00:04:03,457 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)); [6138-6139] [2023-11-25 00:04:03,475 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6762] [2023-11-25 00:04:03,551 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7988] [2023-11-25 00:04:03,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7990] [2023-11-25 00:04:03,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8221] [2023-11-25 00:04:03,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8223] [2023-11-25 00:04:03,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8615] [2023-11-25 00:04:03,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8627] [2023-11-25 00:04:03,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8686] [2023-11-25 00:04:03,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8873] [2023-11-25 00:04:03,740 WARN L240 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_9778203c-f085-4d14-81a6-e8bb4721e1a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[347848,347861] [2023-11-25 00:04:03,741 WARN L240 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_9778203c-f085-4d14-81a6-e8bb4721e1a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348017,348030] [2023-11-25 00:04:03,742 WARN L240 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_9778203c-f085-4d14-81a6-e8bb4721e1a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348184,348197] [2023-11-25 00:04:03,742 WARN L240 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_9778203c-f085-4d14-81a6-e8bb4721e1a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348352,348365] [2023-11-25 00:04:03,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:04:03,956 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:04:03,956 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:04:03,965 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:04:03,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03 WrapperNode [2023-11-25 00:04:03,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:04:03,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:04:03,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:04:03,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:04:03,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (1/1) ... [2023-11-25 00:04:04,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (1/1) ... [2023-11-25 00:04:04,383 INFO L138 Inliner]: procedures = 451, calls = 2467, calls flagged for inlining = 206, calls inlined = 184, statements flattened = 5997 [2023-11-25 00:04:04,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:04:04,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:04:04,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:04:04,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:04:04,396 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (1/1) ... [2023-11-25 00:04:04,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (1/1) ... [2023-11-25 00:04:04,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (1/1) ... [2023-11-25 00:04:04,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (1/1) ... [2023-11-25 00:04:04,546 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (1/1) ... [2023-11-25 00:04:04,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (1/1) ... [2023-11-25 00:04:04,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (1/1) ... [2023-11-25 00:04:04,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (1/1) ... [2023-11-25 00:04:04,715 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:04:04,716 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:04:04,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:04:04,718 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:04:04,719 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (1/1) ... [2023-11-25 00:04:04,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:04:04,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9778203c-f085-4d14-81a6-e8bb4721e1a7/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:04:04,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9778203c-f085-4d14-81a6-e8bb4721e1a7/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:04:04,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9778203c-f085-4d14-81a6-e8bb4721e1a7/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:04:04,806 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-25 00:04:04,806 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-25 00:04:04,806 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-25 00:04:04,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-25 00:04:04,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-25 00:04:04,808 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-25 00:04:04,808 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-25 00:04:04,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-25 00:04:04,808 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_count [2023-11-25 00:04:04,808 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_count [2023-11-25 00:04:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:04:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:04:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_status [2023-11-25 00:04:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_status [2023-11-25 00:04:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-25 00:04:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-25 00:04:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2023-11-25 00:04:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2023-11-25 00:04:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-25 00:04:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-25 00:04:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ring_debug [2023-11-25 00:04:04,811 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ring_debug [2023-11-25 00:04:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-25 00:04:04,812 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-25 00:04:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2023-11-25 00:04:04,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2023-11-25 00:04:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-25 00:04:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-25 00:04:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-25 00:04:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_close [2023-11-25 00:04:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_close [2023-11-25 00:04:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_resume [2023-11-25 00:04:04,815 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_resume [2023-11-25 00:04:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-25 00:04:04,815 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-25 00:04:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-25 00:04:04,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-25 00:04:04,816 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-11-25 00:04:04,816 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-11-25 00:04:04,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:04:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:04:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_free_ring [2023-11-25 00:04:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_free_ring [2023-11-25 00:04:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-25 00:04:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-25 00:04:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:04:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-25 00:04:04,818 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-25 00:04:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-25 00:04:04,818 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-25 00:04:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-25 00:04:04,820 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-25 00:04:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_tx_timeout [2023-11-25 00:04:04,912 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_tx_timeout [2023-11-25 00:04:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-25 00:04:04,912 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-25 00:04:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-25 00:04:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_destroy_hwif [2023-11-25 00:04:04,912 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_destroy_hwif [2023-11-25 00:04:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-25 00:04:04,913 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-25 00:04:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-25 00:04:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-25 00:04:04,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-25 00:04:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_stop_hw [2023-11-25 00:04:04,913 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_stop_hw [2023-11-25 00:04:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:04:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-25 00:04:04,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-25 00:04:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_remove [2023-11-25 00:04:04,913 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_remove [2023-11-25 00:04:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-25 00:04:04,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-25 00:04:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-25 00:04:04,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-25 00:04:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-25 00:04:04,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-25 00:04:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_clear_regs [2023-11-25 00:04:04,914 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_clear_regs [2023-11-25 00:04:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-25 00:04:04,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-25 00:04:04,915 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-25 00:04:04,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-25 00:04:04,915 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_start_hw [2023-11-25 00:04:04,915 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_start_hw [2023-11-25 00:04:04,915 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-25 00:04:04,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-25 00:04:04,915 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-25 00:04:04,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-25 00:04:04,915 INFO L130 BoogieDeclarations]: Found specification of procedure rd_activate [2023-11-25 00:04:04,915 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_activate [2023-11-25 00:04:04,916 INFO L130 BoogieDeclarations]: Found specification of procedure rd_is_active [2023-11-25 00:04:04,916 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_is_active [2023-11-25 00:04:04,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-25 00:04:04,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-25 00:04:04,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:04:04,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-25 00:04:04,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-25 00:04:04,916 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_count [2023-11-25 00:04:04,916 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_count [2023-11-25 00:04:04,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-25 00:04:04,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-25 00:04:04,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:04:04,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-25 00:04:04,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-25 00:04:04,917 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-25 00:04:04,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-25 00:04:04,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:04:04,917 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-25 00:04:04,917 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_open [2023-11-25 00:04:04,917 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_open [2023-11-25 00:04:04,918 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:04:04,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:04:04,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vlsi_mod_exit_11_2 [2023-11-25 00:04:04,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vlsi_mod_exit_11_2 [2023-11-25 00:04:04,918 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-25 00:04:04,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-25 00:04:04,918 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-25 00:04:04,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-25 00:04:04,918 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-25 00:04:04,918 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-25 00:04:04,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-25 00:04:04,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-25 00:04:04,919 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_reg_debug [2023-11-25 00:04:04,919 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_reg_debug [2023-11-25 00:04:04,919 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_set_baud [2023-11-25 00:04:04,919 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_set_baud [2023-11-25 00:04:04,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:04:04,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:04:04,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-25 00:04:04,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-25 00:04:04,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:04:04,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:04:04,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-25 00:04:04,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-25 00:04:04,920 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-11-25 00:04:04,920 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2023-11-25 00:04:04,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-25 00:04:04,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-25 00:04:04,921 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_status [2023-11-25 00:04:04,921 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_status [2023-11-25 00:04:04,921 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-25 00:04:04,921 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-25 00:04:04,921 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-25 00:04:04,921 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-25 00:04:04,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-25 00:04:04,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-25 00:04:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-25 00:04:04,922 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-25 00:04:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure ring_get [2023-11-25 00:04:04,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_get [2023-11-25 00:04:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-25 00:04:04,922 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-25 00:04:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:04:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-25 00:04:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-25 00:04:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:04:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure ring_last [2023-11-25 00:04:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_last [2023-11-25 00:04:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure ring_put [2023-11-25 00:04:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_put [2023-11-25 00:04:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:04:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-25 00:04:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-25 00:04:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-25 00:04:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-25 00:04:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2023-11-25 00:04:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2023-11-25 00:04:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-25 00:04:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-25 00:04:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-25 00:04:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-25 00:04:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-25 00:04:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-25 00:04:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-25 00:04:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-25 00:04:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-25 00:04:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-25 00:04:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-25 00:04:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-25 00:04:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_addr_status [2023-11-25 00:04:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_addr_status [2023-11-25 00:04:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_addr [2023-11-25 00:04:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_addr [2023-11-25 00:04:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-25 00:04:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-25 00:04:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-25 00:04:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-25 00:04:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-25 00:04:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-25 00:04:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-25 00:04:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-25 00:04:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:04:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-25 00:04:04,929 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-25 00:04:04,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-25 00:04:04,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-25 00:04:04,929 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_close [2023-11-25 00:04:04,929 INFO L138 BoogieDeclarations]: Found implementation of procedure irlap_close [2023-11-25 00:04:04,929 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-25 00:04:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-25 00:04:04,930 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-25 00:04:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-25 00:04:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_tx [2023-11-25 00:04:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_tx [2023-11-25 00:04:04,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-25 00:04:04,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-25 00:04:04,953 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_alloc_ring [2023-11-25 00:04:04,953 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_alloc_ring [2023-11-25 00:04:04,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vlsi_irda_dev [2023-11-25 00:04:04,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vlsi_irda_dev [2023-11-25 00:04:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_fill_rx [2023-11-25 00:04:04,955 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_fill_rx [2023-11-25 00:04:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-25 00:04:04,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-25 00:04:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_rx [2023-11-25 00:04:04,956 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_rx [2023-11-25 00:04:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-25 00:04:04,956 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-25 00:04:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:04:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-25 00:04:04,956 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-25 00:04:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-25 00:04:04,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-25 00:04:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure ring_first [2023-11-25 00:04:04,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_first [2023-11-25 00:04:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2023-11-25 00:04:04,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2023-11-25 00:04:05,935 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:04:05,941 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:04:06,385 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:04:10,751 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-25 00:04:10,933 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:04:13,819 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:04:13,820 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:04:13,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:04:13 BoogieIcfgContainer [2023-11-25 00:04:13,824 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:04:13,829 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:04:13,829 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:04:13,834 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:04:13,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:03:59" (1/3) ... [2023-11-25 00:04:13,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c884cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:04:13, skipping insertion in model container [2023-11-25 00:04:13,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (2/3) ... [2023-11-25 00:04:13,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c884cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:04:13, skipping insertion in model container [2023-11-25 00:04:13,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:04:13" (3/3) ... [2023-11-25 00:04:13,845 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2023-11-25 00:04:13,868 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:04:13,869 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-25 00:04:13,993 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:04:14,003 INFO L357 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, mHoare=true, 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;@4b9a82a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:04:14,011 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-25 00:04:14,027 INFO L276 IsEmpty]: Start isEmpty. Operand has 1601 states, 926 states have (on average 1.2764578833693305) internal successors, (1182), 945 states have internal predecessors, (1182), 568 states have call successors, (568), 105 states have call predecessors, (568), 104 states have return successors, (561), 559 states have call predecessors, (561), 561 states have call successors, (561) [2023-11-25 00:04:14,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-25 00:04:14,071 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:14,072 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:04:14,073 INFO L420 AbstractCegarLoop]: === Iteration 1 === 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)] === [2023-11-25 00:04:14,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:14,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1788248887, now seen corresponding path program 1 times [2023-11-25 00:04:14,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:04:14,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686694024] [2023-11-25 00:04:14,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:14,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:04:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:15,481 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-25 00:04:15,481 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:04:15,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686694024] [2023-11-25 00:04:15,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686694024] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:04:15,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:04:15,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:04:15,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963223138] [2023-11-25 00:04:15,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:04:15,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:04:15,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:04:15,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:04:15,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:04:15,655 INFO L87 Difference]: Start difference. First operand has 1601 states, 926 states have (on average 1.2764578833693305) internal successors, (1182), 945 states have internal predecessors, (1182), 568 states have call successors, (568), 105 states have call predecessors, (568), 104 states have return successors, (561), 559 states have call predecessors, (561), 561 states have call successors, (561) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-25 00:04:21,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:04:21,124 INFO L93 Difference]: Finished difference Result 4599 states and 6718 transitions. [2023-11-25 00:04:21,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:04:21,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 130 [2023-11-25 00:04:21,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:04:21,204 INFO L225 Difference]: With dead ends: 4599 [2023-11-25 00:04:21,205 INFO L226 Difference]: Without dead ends: 3005 [2023-11-25 00:04:21,229 INFO L412 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 [2023-11-25 00:04:21,232 INFO L413 NwaCegarLoop]: 2176 mSDtfsCounter, 2100 mSDsluCounter, 1990 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2100 SdHoareTripleChecker+Valid, 4166 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:04:21,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2100 Valid, 4166 Invalid, 540 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-11-25 00:04:21,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3005 states. [2023-11-25 00:04:21,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3005 to 2977. [2023-11-25 00:04:21,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2977 states, 1732 states have (on average 1.2713625866050808) internal successors, (2202), 1775 states have internal predecessors, (2202), 1040 states have call successors, (1040), 205 states have call predecessors, (1040), 202 states have return successors, (1043), 1023 states have call predecessors, (1043), 1036 states have call successors, (1043) [2023-11-25 00:04:21,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2977 states to 2977 states and 4285 transitions. [2023-11-25 00:04:21,693 INFO L78 Accepts]: Start accepts. Automaton has 2977 states and 4285 transitions. Word has length 130 [2023-11-25 00:04:21,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:04:21,696 INFO L495 AbstractCegarLoop]: Abstraction has 2977 states and 4285 transitions. [2023-11-25 00:04:21,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-25 00:04:21,697 INFO L276 IsEmpty]: Start isEmpty. Operand 2977 states and 4285 transitions. [2023-11-25 00:04:21,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-25 00:04:21,710 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:21,710 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:04:21,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:04:21,711 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-25 00:04:21,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:21,712 INFO L85 PathProgramCache]: Analyzing trace with hash -2142980322, now seen corresponding path program 1 times [2023-11-25 00:04:21,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:04:21,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551817831] [2023-11-25 00:04:21,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:21,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:04:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:22,721 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-25 00:04:22,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:04:22,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551817831] [2023-11-25 00:04:22,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551817831] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:04:22,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:04:22,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:04:22,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498369428] [2023-11-25 00:04:22,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:04:22,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:04:22,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:04:22,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:04:22,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:04:22,731 INFO L87 Difference]: Start difference. First operand 2977 states and 4285 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-25 00:04:28,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:04:28,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:04:28,199 INFO L93 Difference]: Finished difference Result 8735 states and 12556 transitions. [2023-11-25 00:04:28,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:04:28,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 131 [2023-11-25 00:04:28,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:04:28,257 INFO L225 Difference]: With dead ends: 8735 [2023-11-25 00:04:28,257 INFO L226 Difference]: Without dead ends: 5781 [2023-11-25 00:04:28,276 INFO L412 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 [2023-11-25 00:04:28,277 INFO L413 NwaCegarLoop]: 2038 mSDtfsCounter, 2168 mSDsluCounter, 1955 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2168 SdHoareTripleChecker+Valid, 3993 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:04:28,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2168 Valid, 3993 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-25 00:04:28,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5781 states. [2023-11-25 00:04:28,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5781 to 5777. [2023-11-25 00:04:28,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5777 states, 3368 states have (on average 1.2675178147268409) internal successors, (4269), 3446 states have internal predecessors, (4269), 2005 states have call successors, (2005), 406 states have call predecessors, (2005), 401 states have return successors, (2015), 1978 states have call predecessors, (2015), 2001 states have call successors, (2015) [2023-11-25 00:04:28,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5777 states to 5777 states and 8289 transitions. [2023-11-25 00:04:28,797 INFO L78 Accepts]: Start accepts. Automaton has 5777 states and 8289 transitions. Word has length 131 [2023-11-25 00:04:28,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:04:28,800 INFO L495 AbstractCegarLoop]: Abstraction has 5777 states and 8289 transitions. [2023-11-25 00:04:28,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-25 00:04:28,801 INFO L276 IsEmpty]: Start isEmpty. Operand 5777 states and 8289 transitions. [2023-11-25 00:04:28,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-25 00:04:28,806 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:28,806 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:04:28,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-25 00:04:28,806 INFO L420 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)] === [2023-11-25 00:04:28,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:28,817 INFO L85 PathProgramCache]: Analyzing trace with hash 919817603, now seen corresponding path program 1 times [2023-11-25 00:04:28,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:04:28,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384918501] [2023-11-25 00:04:28,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:28,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:04:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:29,303 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-25 00:04:29,304 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:04:29,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384918501] [2023-11-25 00:04:29,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384918501] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:04:29,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:04:29,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:04:29,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31218742] [2023-11-25 00:04:29,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:04:29,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:04:29,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:04:29,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:04:29,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:04:29,307 INFO L87 Difference]: Start difference. First operand 5777 states and 8289 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-25 00:04:33,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:04:33,806 INFO L93 Difference]: Finished difference Result 16713 states and 23887 transitions. [2023-11-25 00:04:33,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:04:33,811 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 135 [2023-11-25 00:04:33,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:04:33,912 INFO L225 Difference]: With dead ends: 16713 [2023-11-25 00:04:33,912 INFO L226 Difference]: Without dead ends: 10959 [2023-11-25 00:04:33,947 INFO L412 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 [2023-11-25 00:04:33,952 INFO L413 NwaCegarLoop]: 2036 mSDtfsCounter, 2025 mSDsluCounter, 1981 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2025 SdHoareTripleChecker+Valid, 4017 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:04:33,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2025 Valid, 4017 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-25 00:04:33,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10959 states. [2023-11-25 00:04:34,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10959 to 10927. [2023-11-25 00:04:34,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10927 states, 6376 states have (on average 1.2601944792973652) internal successors, (8035), 6510 states have internal predecessors, (8035), 3753 states have call successors, (3753), 804 states have call predecessors, (3753), 795 states have return successors, (3783), 3694 states have call predecessors, (3783), 3749 states have call successors, (3783) [2023-11-25 00:04:34,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10927 states to 10927 states and 15571 transitions. [2023-11-25 00:04:34,835 INFO L78 Accepts]: Start accepts. Automaton has 10927 states and 15571 transitions. Word has length 135 [2023-11-25 00:04:34,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:04:34,835 INFO L495 AbstractCegarLoop]: Abstraction has 10927 states and 15571 transitions. [2023-11-25 00:04:34,836 INFO L496 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-25 00:04:34,837 INFO L276 IsEmpty]: Start isEmpty. Operand 10927 states and 15571 transitions. [2023-11-25 00:04:34,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-25 00:04:34,843 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:34,843 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 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] [2023-11-25 00:04:34,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-25 00:04:34,844 INFO L420 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)] === [2023-11-25 00:04:34,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:34,845 INFO L85 PathProgramCache]: Analyzing trace with hash -945340907, now seen corresponding path program 1 times [2023-11-25 00:04:34,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:04:34,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934164346] [2023-11-25 00:04:34,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:34,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:04:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:35,436 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2023-11-25 00:04:35,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:04:35,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934164346] [2023-11-25 00:04:35,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934164346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:04:35,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:04:35,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:04:35,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659184208] [2023-11-25 00:04:35,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:04:35,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:04:35,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:04:35,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:04:35,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:04:35,440 INFO L87 Difference]: Start difference. First operand 10927 states and 15571 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-25 00:04:39,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:04:41,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:04:41,152 INFO L93 Difference]: Finished difference Result 19569 states and 27830 transitions. [2023-11-25 00:04:41,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:04:41,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 162 [2023-11-25 00:04:41,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:04:41,222 INFO L225 Difference]: With dead ends: 19569 [2023-11-25 00:04:41,223 INFO L226 Difference]: Without dead ends: 8665 [2023-11-25 00:04:41,275 INFO L412 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 [2023-11-25 00:04:41,276 INFO L413 NwaCegarLoop]: 2662 mSDtfsCounter, 1425 mSDsluCounter, 1983 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1425 SdHoareTripleChecker+Valid, 4645 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:04:41,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1425 Valid, 4645 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-25 00:04:41,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8665 states. [2023-11-25 00:04:41,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8665 to 8633. [2023-11-25 00:04:41,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8633 states, 5066 states have (on average 1.261744966442953) internal successors, (6392), 5178 states have internal predecessors, (6392), 2886 states have call successors, (2886), 687 states have call predecessors, (2886), 678 states have return successors, (2899), 2830 states have call predecessors, (2899), 2882 states have call successors, (2899) [2023-11-25 00:04:41,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8633 states to 8633 states and 12177 transitions. [2023-11-25 00:04:41,910 INFO L78 Accepts]: Start accepts. Automaton has 8633 states and 12177 transitions. Word has length 162 [2023-11-25 00:04:41,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:04:41,912 INFO L495 AbstractCegarLoop]: Abstraction has 8633 states and 12177 transitions. [2023-11-25 00:04:41,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-25 00:04:41,913 INFO L276 IsEmpty]: Start isEmpty. Operand 8633 states and 12177 transitions. [2023-11-25 00:04:41,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-25 00:04:41,917 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:41,918 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 3, 3, 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] [2023-11-25 00:04:41,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-25 00:04:41,918 INFO L420 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)] === [2023-11-25 00:04:41,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:41,919 INFO L85 PathProgramCache]: Analyzing trace with hash 578956117, now seen corresponding path program 1 times [2023-11-25 00:04:41,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:04:41,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265854466] [2023-11-25 00:04:41,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:41,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:04:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat