./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 527bcce2 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_9674c368-3a63-4820-b514-b6aa6d0990a7/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9674c368-3a63-4820-b514-b6aa6d0990a7/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9674c368-3a63-4820-b514-b6aa6d0990a7/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9674c368-3a63-4820-b514-b6aa6d0990a7/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.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_9674c368-3a63-4820-b514-b6aa6d0990a7/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9674c368-3a63-4820-b514-b6aa6d0990a7/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 75b1aed7e7cb1bec6496160634d456a50c33979e7f90c34d568c6a02281e03b1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:24:23,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:24:23,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9674c368-3a63-4820-b514-b6aa6d0990a7/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:24:23,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:24:23,410 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:24:23,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:24:23,436 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:24:23,436 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:24:23,437 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:24:23,438 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:24:23,438 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:24:23,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:24:23,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:24:23,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:24:23,441 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:24:23,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:24:23,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:24:23,443 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:24:23,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:24:23,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:24:23,445 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:24:23,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:24:23,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:24:23,447 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:24:23,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:24:23,448 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:24:23,449 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:24:23,449 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:24:23,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:24:23,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:24:23,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:24:23,452 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:24:23,452 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:24:23,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:24:23,453 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:24:23,454 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:24:23,454 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:24:23,454 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:24:23,455 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:24:23,455 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9674c368-3a63-4820-b514-b6aa6d0990a7/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9674c368-3a63-4820-b514-b6aa6d0990a7/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75b1aed7e7cb1bec6496160634d456a50c33979e7f90c34d568c6a02281e03b1 [2023-11-21 22:24:23,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:24:23,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:24:23,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:24:23,790 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:24:23,791 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:24:23,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9674c368-3a63-4820-b514-b6aa6d0990a7/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2023-11-21 22:24:26,964 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:24:27,661 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:24:27,661 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9674c368-3a63-4820-b514-b6aa6d0990a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2023-11-21 22:24:27,706 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9674c368-3a63-4820-b514-b6aa6d0990a7/bin/uautomizer-verify-bycVGegfSx/data/5a20e50d3/d5abb0648fb94904a3064799ecb6103f/FLAGad86fbd44 [2023-11-21 22:24:27,721 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9674c368-3a63-4820-b514-b6aa6d0990a7/bin/uautomizer-verify-bycVGegfSx/data/5a20e50d3/d5abb0648fb94904a3064799ecb6103f [2023-11-21 22:24:27,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:24:27,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:24:27,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:24:27,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:24:27,734 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:24:27,735 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:24:27" (1/1) ... [2023-11-21 22:24:27,736 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68db2f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:27, skipping insertion in model container [2023-11-21 22:24:27,736 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:24:27" (1/1) ... [2023-11-21 22:24:27,902 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:24:31,854 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_9674c368-3a63-4820-b514-b6aa6d0990a7/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] [2023-11-21 22:24:31,860 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_9674c368-3a63-4820-b514-b6aa6d0990a7/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] [2023-11-21 22:24:31,861 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_9674c368-3a63-4820-b514-b6aa6d0990a7/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] [2023-11-21 22:24:31,861 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_9674c368-3a63-4820-b514-b6aa6d0990a7/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] [2023-11-21 22:24:31,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:24:31,937 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:24:32,135 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] [2023-11-21 22:24:32,138 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] [2023-11-21 22:24:32,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5712] [2023-11-21 22:24:32,142 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] [2023-11-21 22:24:32,143 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] [2023-11-21 22:24:32,144 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] [2023-11-21 22:24:32,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [5841] [2023-11-21 22:24:32,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5844] [2023-11-21 22:24:32,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5847] [2023-11-21 22:24:32,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5850] [2023-11-21 22:24:32,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5902] [2023-11-21 22:24:32,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5910] [2023-11-21 22:24:32,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5917] [2023-11-21 22:24:32,152 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5925] [2023-11-21 22:24:32,158 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] [2023-11-21 22:24:32,160 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] [2023-11-21 22:24:32,162 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] [2023-11-21 22:24:32,164 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] [2023-11-21 22:24:32,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6762] [2023-11-21 22:24:32,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7988] [2023-11-21 22:24:32,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7990] [2023-11-21 22:24:32,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8221] [2023-11-21 22:24:32,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8223] [2023-11-21 22:24:32,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8615] [2023-11-21 22:24:32,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8627] [2023-11-21 22:24:32,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8686] [2023-11-21 22:24:32,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8873] [2023-11-21 22:24:32,491 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_9674c368-3a63-4820-b514-b6aa6d0990a7/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] [2023-11-21 22:24:32,492 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_9674c368-3a63-4820-b514-b6aa6d0990a7/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] [2023-11-21 22:24:32,493 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_9674c368-3a63-4820-b514-b6aa6d0990a7/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] [2023-11-21 22:24:32,494 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_9674c368-3a63-4820-b514-b6aa6d0990a7/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] [2023-11-21 22:24:32,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:24:32,737 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:24:32,739 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:24:32,749 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:24:32,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:32 WrapperNode [2023-11-21 22:24:32,750 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:24:32,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:24:32,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:24:32,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:24:32,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:32" (1/1) ... [2023-11-21 22:24:32,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:32" (1/1) ... [2023-11-21 22:24:33,165 INFO L138 Inliner]: procedures = 451, calls = 2467, calls flagged for inlining = 206, calls inlined = 184, statements flattened = 5885 [2023-11-21 22:24:33,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:24:33,168 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:24:33,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:24:33,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:24:33,181 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:32" (1/1) ... [2023-11-21 22:24:33,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:32" (1/1) ... [2023-11-21 22:24:33,229 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:32" (1/1) ... [2023-11-21 22:24:34,792 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:24:34,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:32" (1/1) ... [2023-11-21 22:24:34,793 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:32" (1/1) ... [2023-11-21 22:24:34,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:32" (1/1) ... [2023-11-21 22:24:34,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:32" (1/1) ... [2023-11-21 22:24:35,019 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:32" (1/1) ... [2023-11-21 22:24:35,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:32" (1/1) ... [2023-11-21 22:24:35,093 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:24:35,097 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:24:35,099 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:24:35,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:24:35,100 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:32" (1/1) ... [2023-11-21 22:24:35,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:24:35,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9674c368-3a63-4820-b514-b6aa6d0990a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:35,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9674c368-3a63-4820-b514-b6aa6d0990a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:35,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9674c368-3a63-4820-b514-b6aa6d0990a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:24:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-21 22:24:35,197 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-21 22:24:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-21 22:24:35,198 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-21 22:24:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:24:35,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:24:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-21 22:24:35,198 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-21 22:24:35,199 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_count [2023-11-21 22:24:35,199 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_count [2023-11-21 22:24:35,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:24:35,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:24:35,199 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_status [2023-11-21 22:24:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_status [2023-11-21 22:24:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-21 22:24:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-21 22:24:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2023-11-21 22:24:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2023-11-21 22:24:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-21 22:24:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-21 22:24:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ring_debug [2023-11-21 22:24:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ring_debug [2023-11-21 22:24:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-21 22:24:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-21 22:24:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2023-11-21 22:24:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2023-11-21 22:24:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-21 22:24:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-21 22:24:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-21 22:24:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_close [2023-11-21 22:24:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_close [2023-11-21 22:24:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_resume [2023-11-21 22:24:35,205 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_resume [2023-11-21 22:24:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-21 22:24:35,205 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-21 22:24:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 22:24:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 22:24:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-11-21 22:24:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-11-21 22:24:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 22:24:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 22:24:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_free_ring [2023-11-21 22:24:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_free_ring [2023-11-21 22:24:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-21 22:24:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-21 22:24:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:24:35,209 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-21 22:24:35,209 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-21 22:24:35,209 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-21 22:24:35,209 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-21 22:24:35,209 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-21 22:24:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-21 22:24:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_tx_timeout [2023-11-21 22:24:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_tx_timeout [2023-11-21 22:24:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 22:24:35,211 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 22:24:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:24:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_destroy_hwif [2023-11-21 22:24:35,211 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_destroy_hwif [2023-11-21 22:24:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 22:24:35,212 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 22:24:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:24:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 22:24:35,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 22:24:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_stop_hw [2023-11-21 22:24:35,213 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_stop_hw [2023-11-21 22:24:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:24:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-21 22:24:35,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-21 22:24:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_remove [2023-11-21 22:24:35,214 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_remove [2023-11-21 22:24:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:24:35,214 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:24:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-21 22:24:35,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-21 22:24:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-21 22:24:35,215 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-21 22:24:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_clear_regs [2023-11-21 22:24:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_clear_regs [2023-11-21 22:24:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-21 22:24:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-21 22:24:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-21 22:24:35,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-21 22:24:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_start_hw [2023-11-21 22:24:35,217 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_start_hw [2023-11-21 22:24:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-21 22:24:35,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-21 22:24:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-21 22:24:35,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-21 22:24:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure rd_activate [2023-11-21 22:24:35,219 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_activate [2023-11-21 22:24:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure rd_is_active [2023-11-21 22:24:35,219 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_is_active [2023-11-21 22:24:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-21 22:24:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-21 22:24:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:24:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-21 22:24:35,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-21 22:24:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_count [2023-11-21 22:24:35,221 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_count [2023-11-21 22:24:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-21 22:24:35,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-21 22:24:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:24:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 22:24:35,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 22:24:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-21 22:24:35,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-21 22:24:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:24:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-21 22:24:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_open [2023-11-21 22:24:35,224 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_open [2023-11-21 22:24:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:24:35,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:24:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vlsi_mod_exit_11_2 [2023-11-21 22:24:35,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vlsi_mod_exit_11_2 [2023-11-21 22:24:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-21 22:24:35,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-21 22:24:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-21 22:24:35,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-21 22:24:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 22:24:35,264 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 22:24:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-21 22:24:35,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-21 22:24:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_reg_debug [2023-11-21 22:24:35,265 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_reg_debug [2023-11-21 22:24:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_set_baud [2023-11-21 22:24:35,265 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_set_baud [2023-11-21 22:24:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:24:35,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:24:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:24:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:24:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:24:35,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:24:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-21 22:24:35,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-21 22:24:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-11-21 22:24:35,266 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2023-11-21 22:24:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-21 22:24:35,266 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-21 22:24:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_status [2023-11-21 22:24:35,266 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_status [2023-11-21 22:24:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 22:24:35,266 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 22:24:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-21 22:24:35,266 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-21 22:24:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:24:35,267 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:24:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-21 22:24:35,267 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-21 22:24:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure ring_get [2023-11-21 22:24:35,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_get [2023-11-21 22:24:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-21 22:24:35,267 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-21 22:24:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:24:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-21 22:24:35,267 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-21 22:24:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:24:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure ring_last [2023-11-21 22:24:35,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_last [2023-11-21 22:24:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure ring_put [2023-11-21 22:24:35,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_put [2023-11-21 22:24:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:24:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:24:35,268 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:24:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-21 22:24:35,268 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-21 22:24:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2023-11-21 22:24:35,269 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2023-11-21 22:24:35,269 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-21 22:24:35,269 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-21 22:24:35,269 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-21 22:24:35,269 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-21 22:24:35,269 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 22:24:35,269 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 22:24:35,269 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-21 22:24:35,269 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-21 22:24:35,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 22:24:35,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 22:24:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-21 22:24:35,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-21 22:24:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_addr_status [2023-11-21 22:24:35,270 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_addr_status [2023-11-21 22:24:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_addr [2023-11-21 22:24:35,270 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_addr [2023-11-21 22:24:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-21 22:24:35,270 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-21 22:24:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 22:24:35,270 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 22:24:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 22:24:35,271 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 22:24:35,274 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 22:24:35,275 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 22:24:35,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:24:35,275 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-21 22:24:35,275 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-21 22:24:35,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:24:35,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:24:35,276 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_close [2023-11-21 22:24:35,276 INFO L138 BoogieDeclarations]: Found implementation of procedure irlap_close [2023-11-21 22:24:35,276 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-21 22:24:35,276 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-21 22:24:35,276 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-21 22:24:35,276 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-21 22:24:35,276 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_tx [2023-11-21 22:24:35,277 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_tx [2023-11-21 22:24:35,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 22:24:35,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 22:24:35,277 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_alloc_ring [2023-11-21 22:24:35,277 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_alloc_ring [2023-11-21 22:24:35,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vlsi_irda_dev [2023-11-21 22:24:35,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vlsi_irda_dev [2023-11-21 22:24:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_fill_rx [2023-11-21 22:24:35,278 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_fill_rx [2023-11-21 22:24:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-21 22:24:35,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-21 22:24:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_rx [2023-11-21 22:24:35,278 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_rx [2023-11-21 22:24:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-21 22:24:35,279 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-21 22:24:35,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:24:35,279 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-21 22:24:35,279 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-21 22:24:35,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 22:24:35,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 22:24:35,280 INFO L130 BoogieDeclarations]: Found specification of procedure ring_first [2023-11-21 22:24:35,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_first [2023-11-21 22:24:35,280 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2023-11-21 22:24:35,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2023-11-21 22:24:36,094 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:24:36,099 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:24:36,751 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:24:45,921 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-21 22:24:46,058 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:24:49,788 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:24:49,789 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:24:49,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:24:49 BoogieIcfgContainer [2023-11-21 22:24:49,792 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:24:49,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:24:49,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:24:49,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:24:49,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:24:27" (1/3) ... [2023-11-21 22:24:49,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b6a85f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:24:49, skipping insertion in model container [2023-11-21 22:24:49,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:32" (2/3) ... [2023-11-21 22:24:49,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b6a85f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:24:49, skipping insertion in model container [2023-11-21 22:24:49,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:24:49" (3/3) ... [2023-11-21 22:24:49,809 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2023-11-21 22:24:49,829 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:24:49,829 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-21 22:24:49,953 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:24:49,962 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@161d8ca4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:24:49,963 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-21 22:24:49,977 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) [2023-11-21 22:24:50,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-21 22:24:50,022 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:24:50,023 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] [2023-11-21 22:24:50,025 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)] === [2023-11-21 22:24:50,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:50,033 INFO L85 PathProgramCache]: Analyzing trace with hash -922814028, now seen corresponding path program 1 times [2023-11-21 22:24:50,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:50,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805816617] [2023-11-21 22:24:50,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:50,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:24:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:24:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:24:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:24:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:24:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:24:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:24:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:24:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-21 22:24:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-21 22:24:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-21 22:24:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-21 22:24:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:51,723 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-21 22:24:51,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:51,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805816617] [2023-11-21 22:24:51,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805816617] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:51,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:51,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:24:51,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516969268] [2023-11-21 22:24:51,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:51,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:24:51,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:51,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:24:51,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:24:51,783 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 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-21 22:25:01,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:25:02,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:25:02,223 INFO L93 Difference]: Finished difference Result 4781 states and 7045 transitions. [2023-11-21 22:25:02,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:25:02,225 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (16), 3 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 [2023-11-21 22:25:02,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:25:02,295 INFO L225 Difference]: With dead ends: 4781 [2023-11-21 22:25:02,296 INFO L226 Difference]: Without dead ends: 3193 [2023-11-21 22:25:02,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:25:02,315 INFO L413 NwaCegarLoop]: 1559 mSDtfsCounter, 2524 mSDsluCounter, 1821 mSDsCounter, 0 mSdLazyCounter, 2562 mSolverCounterSat, 1570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3011 SdHoareTripleChecker+Valid, 3380 SdHoareTripleChecker+Invalid, 4132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1570 IncrementalHoareTripleChecker+Valid, 2562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-11-21 22:25:02,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3011 Valid, 3380 Invalid, 4132 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1570 Valid, 2562 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2023-11-21 22:25:02,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3193 states. [2023-11-21 22:25:02,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3193 to 2969. [2023-11-21 22:25:02,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2969 states, 1722 states have (on average 1.272938443670151) internal successors, (2192), 1776 states have internal predecessors, (2192), 1040 states have call successors, (1040), 205 states have call predecessors, (1040), 204 states have return successors, (1046), 1024 states have call predecessors, (1046), 1036 states have call successors, (1046) [2023-11-21 22:25:02,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2969 states to 2969 states and 4278 transitions. [2023-11-21 22:25:02,704 INFO L78 Accepts]: Start accepts. Automaton has 2969 states and 4278 transitions. Word has length 130 [2023-11-21 22:25:02,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:25:02,708 INFO L495 AbstractCegarLoop]: Abstraction has 2969 states and 4278 transitions. [2023-11-21 22:25:02,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-21 22:25:02,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2969 states and 4278 transitions. [2023-11-21 22:25:02,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-21 22:25:02,715 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:25:02,716 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] [2023-11-21 22:25:02,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:25:02,717 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)] === [2023-11-21 22:25:02,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:02,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1370304817, now seen corresponding path program 1 times [2023-11-21 22:25:02,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:25:02,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934547509] [2023-11-21 22:25:02,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:02,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:25:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:25:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:25:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:25:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:25:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:25:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:25:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:25:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:25:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-21 22:25:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-21 22:25:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-21 22:25:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-21 22:25:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:03,497 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-21 22:25:03,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:25:03,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934547509] [2023-11-21 22:25:03,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934547509] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:25:03,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:25:03,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:25:03,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23253468] [2023-11-21 22:25:03,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:25:03,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:25:03,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:25:03,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:25:03,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:25:03,507 INFO L87 Difference]: Start difference. First operand 2969 states and 4278 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14)