./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed407b2-8a34-40ed-83b1-4100ded72921/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed407b2-8a34-40ed-83b1-4100ded72921/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed407b2-8a34-40ed-83b1-4100ded72921/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed407b2-8a34-40ed-83b1-4100ded72921/bin/utaipan-verify-NcY6lQBIFX/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_1ed407b2-8a34-40ed-83b1-4100ded72921/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed407b2-8a34-40ed-83b1-4100ded72921/bin/utaipan-verify-NcY6lQBIFX --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 0.2.3-dev-cf1a783 [2023-11-12 01:01:12,898 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:01:13,044 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed407b2-8a34-40ed-83b1-4100ded72921/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 01:01:13,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:01:13,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:01:13,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:01:13,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:01:13,090 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:01:13,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:01:13,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:01:13,097 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:01:13,098 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:01:13,099 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:01:13,101 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:01:13,101 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:01:13,102 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:01:13,102 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:01:13,103 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:01:13,103 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:01:13,104 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:01:13,104 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:01:13,105 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:01:13,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:01:13,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:01:13,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:01:13,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:01:13,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:01:13,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:01:13,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:01:13,109 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:01:13,110 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:01:13,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:01:13,111 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:01:13,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:01:13,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:01:13,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:01:13,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:01:13,113 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:01:13,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:01:13,113 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:01:13,113 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:01:13,114 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:01:13,114 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_1ed407b2-8a34-40ed-83b1-4100ded72921/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed407b2-8a34-40ed-83b1-4100ded72921/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75b1aed7e7cb1bec6496160634d456a50c33979e7f90c34d568c6a02281e03b1 [2023-11-12 01:01:13,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:01:13,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:01:13,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:01:13,527 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:01:13,527 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:01:13,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed407b2-8a34-40ed-83b1-4100ded72921/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2023-11-12 01:01:17,073 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:01:17,824 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:01:17,826 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed407b2-8a34-40ed-83b1-4100ded72921/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2023-11-12 01:01:17,895 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed407b2-8a34-40ed-83b1-4100ded72921/bin/utaipan-verify-NcY6lQBIFX/data/3e530ba0d/0c4219ed10ba4f06bfa876243b82a2a8/FLAG55245875c [2023-11-12 01:01:17,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed407b2-8a34-40ed-83b1-4100ded72921/bin/utaipan-verify-NcY6lQBIFX/data/3e530ba0d/0c4219ed10ba4f06bfa876243b82a2a8 [2023-11-12 01:01:17,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:01:17,926 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:01:17,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:01:17,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:01:17,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:01:17,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:01:17" (1/1) ... [2023-11-12 01:01:17,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2251cb75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:17, skipping insertion in model container [2023-11-12 01:01:17,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:01:17" (1/1) ... [2023-11-12 01:01:18,144 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:01:21,854 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_1ed407b2-8a34-40ed-83b1-4100ded72921/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] [2023-11-12 01:01:21,860 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_1ed407b2-8a34-40ed-83b1-4100ded72921/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] [2023-11-12 01:01:21,861 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_1ed407b2-8a34-40ed-83b1-4100ded72921/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] [2023-11-12 01:01:21,862 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_1ed407b2-8a34-40ed-83b1-4100ded72921/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] [2023-11-12 01:01:21,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:01:21,933 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:01:22,146 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] [2023-11-12 01:01:22,148 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] [2023-11-12 01:01:22,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5712] [2023-11-12 01:01:22,151 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] [2023-11-12 01:01:22,152 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] [2023-11-12 01:01:22,153 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] [2023-11-12 01:01:22,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [5841] [2023-11-12 01:01:22,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5844] [2023-11-12 01:01:22,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5847] [2023-11-12 01:01:22,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5850] [2023-11-12 01:01:22,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5902] [2023-11-12 01:01:22,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5910] [2023-11-12 01:01:22,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5917] [2023-11-12 01:01:22,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5925] [2023-11-12 01:01:22,165 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] [2023-11-12 01:01:22,168 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] [2023-11-12 01:01:22,169 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] [2023-11-12 01:01:22,171 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] [2023-11-12 01:01:22,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6762] [2023-11-12 01:01:22,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7988] [2023-11-12 01:01:22,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7990] [2023-11-12 01:01:22,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8221] [2023-11-12 01:01:22,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8223] [2023-11-12 01:01:22,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8615] [2023-11-12 01:01:22,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8627] [2023-11-12 01:01:22,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8686] [2023-11-12 01:01:22,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8873] [2023-11-12 01:01:22,464 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_1ed407b2-8a34-40ed-83b1-4100ded72921/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] [2023-11-12 01:01:22,465 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_1ed407b2-8a34-40ed-83b1-4100ded72921/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] [2023-11-12 01:01:22,466 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_1ed407b2-8a34-40ed-83b1-4100ded72921/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] [2023-11-12 01:01:22,467 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_1ed407b2-8a34-40ed-83b1-4100ded72921/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] [2023-11-12 01:01:22,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:01:22,705 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:01:22,705 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:01:22,713 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:01:22,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:22 WrapperNode [2023-11-12 01:01:22,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:01:22,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:01:22,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:01:22,717 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:01:22,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:22" (1/1) ... [2023-11-12 01:01:22,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:22" (1/1) ... [2023-11-12 01:01:23,204 INFO L138 Inliner]: procedures = 451, calls = 2467, calls flagged for inlining = 206, calls inlined = 184, statements flattened = 5885 [2023-11-12 01:01:23,205 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:01:23,206 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:01:23,206 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:01:23,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:01:23,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:22" (1/1) ... [2023-11-12 01:01:23,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:22" (1/1) ... [2023-11-12 01:01:23,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:22" (1/1) ... [2023-11-12 01:01:23,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:22" (1/1) ... [2023-11-12 01:01:23,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:22" (1/1) ... [2023-11-12 01:01:23,563 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:22" (1/1) ... [2023-11-12 01:01:23,596 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:22" (1/1) ... [2023-11-12 01:01:23,657 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:22" (1/1) ... [2023-11-12 01:01:23,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:01:23,720 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:01:23,720 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:01:23,720 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:01:23,721 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:22" (1/1) ... [2023-11-12 01:01:23,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:01:23,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed407b2-8a34-40ed-83b1-4100ded72921/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:01:23,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed407b2-8a34-40ed-83b1-4100ded72921/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:01:23,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed407b2-8a34-40ed-83b1-4100ded72921/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:01:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-12 01:01:23,821 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-12 01:01:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 01:01:23,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 01:01:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 01:01:23,822 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 01:01:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 01:01:23,822 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 01:01:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_count [2023-11-12 01:01:23,823 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_count [2023-11-12 01:01:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 01:01:23,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 01:01:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_status [2023-11-12 01:01:23,823 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_status [2023-11-12 01:01:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 01:01:23,824 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 01:01:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2023-11-12 01:01:23,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2023-11-12 01:01:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 01:01:23,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 01:01:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ring_debug [2023-11-12 01:01:23,825 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ring_debug [2023-11-12 01:01:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 01:01:23,825 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 01:01:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2023-11-12 01:01:23,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2023-11-12 01:01:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 01:01:23,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 01:01:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 01:01:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_close [2023-11-12 01:01:23,828 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_close [2023-11-12 01:01:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_resume [2023-11-12 01:01:23,828 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_resume [2023-11-12 01:01:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 01:01:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 01:01:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 01:01:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 01:01:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-11-12 01:01:23,830 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-11-12 01:01:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 01:01:23,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 01:01:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_free_ring [2023-11-12 01:01:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_free_ring [2023-11-12 01:01:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 01:01:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 01:01:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 01:01:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-12 01:01:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-12 01:01:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-12 01:01:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-12 01:01:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 01:01:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 01:01:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_tx_timeout [2023-11-12 01:01:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_tx_timeout [2023-11-12 01:01:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 01:01:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 01:01:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 01:01:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_destroy_hwif [2023-11-12 01:01:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_destroy_hwif [2023-11-12 01:01:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 01:01:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 01:01:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 01:01:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 01:01:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 01:01:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_stop_hw [2023-11-12 01:01:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_stop_hw [2023-11-12 01:01:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 01:01:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 01:01:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 01:01:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_remove [2023-11-12 01:01:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_remove [2023-11-12 01:01:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 01:01:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 01:01:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 01:01:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 01:01:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-12 01:01:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-12 01:01:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_clear_regs [2023-11-12 01:01:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_clear_regs [2023-11-12 01:01:23,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 01:01:23,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 01:01:23,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-12 01:01:23,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-12 01:01:23,840 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_start_hw [2023-11-12 01:01:23,840 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_start_hw [2023-11-12 01:01:23,840 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 01:01:23,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 01:01:23,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 01:01:23,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 01:01:23,842 INFO L130 BoogieDeclarations]: Found specification of procedure rd_activate [2023-11-12 01:01:23,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_activate [2023-11-12 01:01:23,842 INFO L130 BoogieDeclarations]: Found specification of procedure rd_is_active [2023-11-12 01:01:23,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_is_active [2023-11-12 01:01:23,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 01:01:23,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 01:01:23,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 01:01:23,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 01:01:23,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 01:01:23,843 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_count [2023-11-12 01:01:23,843 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_count [2023-11-12 01:01:23,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-12 01:01:23,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-12 01:01:23,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:01:23,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 01:01:23,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 01:01:23,846 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 01:01:23,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 01:01:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 01:01:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 01:01:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_open [2023-11-12 01:01:23,848 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_open [2023-11-12 01:01:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 01:01:23,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 01:01:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vlsi_mod_exit_11_2 [2023-11-12 01:01:23,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vlsi_mod_exit_11_2 [2023-11-12 01:01:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 01:01:23,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 01:01:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 01:01:23,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 01:01:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 01:01:23,854 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 01:01:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 01:01:23,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 01:01:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_reg_debug [2023-11-12 01:01:23,862 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_reg_debug [2023-11-12 01:01:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_set_baud [2023-11-12 01:01:23,863 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_set_baud [2023-11-12 01:01:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:01:23,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:01:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 01:01:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 01:01:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 01:01:23,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 01:01:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 01:01:23,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 01:01:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-11-12 01:01:23,865 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2023-11-12 01:01:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-12 01:01:23,866 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-12 01:01:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_status [2023-11-12 01:01:23,866 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_status [2023-11-12 01:01:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 01:01:23,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 01:01:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 01:01:23,867 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 01:01:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 01:01:23,867 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 01:01:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 01:01:23,867 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 01:01:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure ring_get [2023-11-12 01:01:23,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_get [2023-11-12 01:01:23,868 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-12 01:01:23,868 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-12 01:01:23,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 01:01:23,868 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 01:01:23,868 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 01:01:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 01:01:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure ring_last [2023-11-12 01:01:23,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_last [2023-11-12 01:01:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure ring_put [2023-11-12 01:01:23,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_put [2023-11-12 01:01:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 01:01:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 01:01:23,870 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 01:01:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-12 01:01:23,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-12 01:01:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2023-11-12 01:01:23,871 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2023-11-12 01:01:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-12 01:01:23,871 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-12 01:01:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 01:01:23,871 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 01:01:23,872 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 01:01:23,872 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 01:01:23,872 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-12 01:01:23,872 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-12 01:01:23,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 01:01:23,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 01:01:23,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 01:01:23,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 01:01:23,873 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_addr_status [2023-11-12 01:01:23,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_addr_status [2023-11-12 01:01:23,873 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_addr [2023-11-12 01:01:23,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_addr [2023-11-12 01:01:23,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 01:01:23,874 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 01:01:23,874 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 01:01:23,874 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 01:01:23,874 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 01:01:23,874 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 01:01:23,875 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 01:01:23,875 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 01:01:23,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 01:01:23,875 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-12 01:01:23,875 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-12 01:01:23,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 01:01:23,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 01:01:23,876 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_close [2023-11-12 01:01:23,876 INFO L138 BoogieDeclarations]: Found implementation of procedure irlap_close [2023-11-12 01:01:23,876 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 01:01:23,876 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 01:01:23,876 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-12 01:01:23,876 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-12 01:01:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_tx [2023-11-12 01:01:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_tx [2023-11-12 01:01:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 01:01:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 01:01:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_alloc_ring [2023-11-12 01:01:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_alloc_ring [2023-11-12 01:01:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vlsi_irda_dev [2023-11-12 01:01:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vlsi_irda_dev [2023-11-12 01:01:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_fill_rx [2023-11-12 01:01:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_fill_rx [2023-11-12 01:01:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 01:01:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 01:01:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_rx [2023-11-12 01:01:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_rx [2023-11-12 01:01:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-12 01:01:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-12 01:01:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 01:01:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-12 01:01:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-12 01:01:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 01:01:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 01:01:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure ring_first [2023-11-12 01:01:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_first [2023-11-12 01:01:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2023-11-12 01:01:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2023-11-12 01:01:24,888 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:01:24,894 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:01:25,385 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 01:01:35,425 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 01:01:35,579 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:01:39,136 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:01:39,137 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 01:01:39,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:01:39 BoogieIcfgContainer [2023-11-12 01:01:39,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:01:39,149 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:01:39,150 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:01:39,153 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:01:39,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:01:17" (1/3) ... [2023-11-12 01:01:39,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f20c967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:01:39, skipping insertion in model container [2023-11-12 01:01:39,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:22" (2/3) ... [2023-11-12 01:01:39,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f20c967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:01:39, skipping insertion in model container [2023-11-12 01:01:39,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:01:39" (3/3) ... [2023-11-12 01:01:39,165 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2023-11-12 01:01:39,191 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:01:39,191 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 01:01:39,339 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:01:39,352 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;@736f265, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:01:39,352 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 01:01:39,371 INFO L276 IsEmpty]: Start isEmpty. Operand has 1595 states, 920 states have (on average 1.2782608695652173) internal successors, (1176), 944 states have internal predecessors, (1176), 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) [2023-11-12 01:01:39,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-12 01:01:39,417 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:01:39,418 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] [2023-11-12 01:01:39,419 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)] === [2023-11-12 01:01:39,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:01:39,428 INFO L85 PathProgramCache]: Analyzing trace with hash 153437967, now seen corresponding path program 1 times [2023-11-12 01:01:39,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:01:39,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811381534] [2023-11-12 01:01:39,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:01:39,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:01:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:01:41,091 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-12 01:01:41,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:01:41,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811381534] [2023-11-12 01:01:41,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811381534] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:01:41,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:01:41,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:01:41,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593319833] [2023-11-12 01:01:41,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:01:41,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:01:41,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:01:41,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:01:41,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:01:41,161 INFO L87 Difference]: Start difference. First operand has 1595 states, 920 states have (on average 1.2782608695652173) internal successors, (1176), 944 states have internal predecessors, (1176), 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) [2023-11-12 01:01:47,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:01:47,123 INFO L93 Difference]: Finished difference Result 4581 states and 6700 transitions. [2023-11-12 01:01:47,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:01:47,129 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 [2023-11-12 01:01:47,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:01:47,222 INFO L225 Difference]: With dead ends: 4581 [2023-11-12 01:01:47,224 INFO L226 Difference]: Without dead ends: 2993 [2023-11-12 01:01:47,249 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 [2023-11-12 01:01:47,254 INFO L413 NwaCegarLoop]: 2170 mSDtfsCounter, 2094 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2094 SdHoareTripleChecker+Valid, 4154 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-12 01:01:47,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2094 Valid, 4154 Invalid, 540 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-11-12 01:01:47,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2023-11-12 01:01:47,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 2965. [2023-11-12 01:01:47,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2965 states, 1720 states have (on average 1.2732558139534884) internal successors, (2190), 1773 states have internal predecessors, (2190), 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) [2023-11-12 01:01:47,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2965 states and 4273 transitions. [2023-11-12 01:01:47,695 INFO L78 Accepts]: Start accepts. Automaton has 2965 states and 4273 transitions. Word has length 130 [2023-11-12 01:01:47,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:01:47,697 INFO L495 AbstractCegarLoop]: Abstraction has 2965 states and 4273 transitions. [2023-11-12 01:01:47,698 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) [2023-11-12 01:01:47,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 4273 transitions. [2023-11-12 01:01:47,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-12 01:01:47,705 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:01:47,705 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] [2023-11-12 01:01:47,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 01:01:47,706 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)] === [2023-11-12 01:01:47,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:01:47,707 INFO L85 PathProgramCache]: Analyzing trace with hash -6126101, now seen corresponding path program 1 times [2023-11-12 01:01:47,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:01:47,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148926997] [2023-11-12 01:01:47,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:01:47,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:01:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:01:48,507 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-12 01:01:48,508 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:01:48,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148926997] [2023-11-12 01:01:48,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148926997] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:01:48,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:01:48,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:01:48,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19892319] [2023-11-12 01:01:48,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:01:48,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:01:48,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:01:48,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:01:48,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:01:48,521 INFO L87 Difference]: Start difference. First operand 2965 states and 4273 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) [2023-11-12 01:01:52,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:01:54,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:01:54,807 INFO L93 Difference]: Finished difference Result 8703 states and 12524 transitions. [2023-11-12 01:01:54,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:01:54,808 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 [2023-11-12 01:01:54,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:01:54,862 INFO L225 Difference]: With dead ends: 8703 [2023-11-12 01:01:54,862 INFO L226 Difference]: Without dead ends: 5761 [2023-11-12 01:01:54,879 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 [2023-11-12 01:01:54,880 INFO L413 NwaCegarLoop]: 2032 mSDtfsCounter, 2163 mSDsluCounter, 1950 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2163 SdHoareTripleChecker+Valid, 3982 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-11-12 01:01:54,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2163 Valid, 3982 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-11-12 01:01:54,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5761 states. [2023-11-12 01:01:55,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5761 to 5757. [2023-11-12 01:01:55,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5757 states, 3348 states have (on average 1.2691158900836321) internal successors, (4249), 3442 states have internal predecessors, (4249), 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) [2023-11-12 01:01:55,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5757 states to 5757 states and 8269 transitions. [2023-11-12 01:01:55,303 INFO L78 Accepts]: Start accepts. Automaton has 5757 states and 8269 transitions. Word has length 131 [2023-11-12 01:01:55,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:01:55,304 INFO L495 AbstractCegarLoop]: Abstraction has 5757 states and 8269 transitions. [2023-11-12 01:01:55,305 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) [2023-11-12 01:01:55,305 INFO L276 IsEmpty]: Start isEmpty. Operand 5757 states and 8269 transitions. [2023-11-12 01:01:55,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-12 01:01:55,311 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:01:55,312 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] [2023-11-12 01:01:55,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 01:01:55,312 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)] === [2023-11-12 01:01:55,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:01:55,318 INFO L85 PathProgramCache]: Analyzing trace with hash 842013778, now seen corresponding path program 1 times [2023-11-12 01:01:55,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:01:55,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571033343] [2023-11-12 01:01:55,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:01:55,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:01:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:01:55,900 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-12 01:01:55,901 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:01:55,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571033343] [2023-11-12 01:01:55,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571033343] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:01:55,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:01:55,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:01:55,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417218564] [2023-11-12 01:01:55,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:01:55,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:01:55,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:01:55,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:01:55,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:01:55,904 INFO L87 Difference]: Start difference. First operand 5757 states and 8269 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) [2023-11-12 01:01:58,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:01:59,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []