./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-ethernet-amd-amd8111e.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_884350a7-d6d9-4f61-9d9a-a8ff95008d60/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_884350a7-d6d9-4f61-9d9a-a8ff95008d60/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_884350a7-d6d9-4f61-9d9a-a8ff95008d60/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_884350a7-d6d9-4f61-9d9a-a8ff95008d60/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_884350a7-d6d9-4f61-9d9a-a8ff95008d60/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_884350a7-d6d9-4f61-9d9a-a8ff95008d60/bin/utaipan-verify-DbMuA5NWw2 --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 8dda3f7c080a6e7302d861accabde0bee64e4cb5e7a0fb77650fdd775ecd7779 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:27:24,362 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:27:24,487 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_884350a7-d6d9-4f61-9d9a-a8ff95008d60/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:27:24,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:27:24,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:27:24,529 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:27:24,530 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:27:24,531 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:27:24,532 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:27:24,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:27:24,534 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:27:24,535 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:27:24,535 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:27:24,536 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:27:24,536 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:27:24,540 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:27:24,540 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:27:24,541 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:27:24,541 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:27:24,541 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:27:24,542 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:27:24,542 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:27:24,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:27:24,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:27:24,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:27:24,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:27:24,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:27:24,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:27:24,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:27:24,548 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:27:24,548 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:27:24,548 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:27:24,549 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:27:24,549 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:27:24,549 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:27:24,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:27:24,550 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:27:24,550 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:27:24,550 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:27:24,551 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:27:24,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:27:24,552 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:27:24,552 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:27:24,552 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:27:24,553 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_884350a7-d6d9-4f61-9d9a-a8ff95008d60/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_884350a7-d6d9-4f61-9d9a-a8ff95008d60/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dda3f7c080a6e7302d861accabde0bee64e4cb5e7a0fb77650fdd775ecd7779 [2024-11-02 12:27:24,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:27:24,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:27:24,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:27:24,933 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:27:24,934 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:27:24,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_884350a7-d6d9-4f61-9d9a-a8ff95008d60/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i Unable to find full path for "g++" [2024-11-02 12:27:26,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:27:27,524 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:27:27,525 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_884350a7-d6d9-4f61-9d9a-a8ff95008d60/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2024-11-02 12:27:27,592 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_884350a7-d6d9-4f61-9d9a-a8ff95008d60/bin/utaipan-verify-DbMuA5NWw2/data/8b11e8f92/f8c989f19be240e694d48fb881bd68cd/FLAGdd2027f74 [2024-11-02 12:27:28,033 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_884350a7-d6d9-4f61-9d9a-a8ff95008d60/bin/utaipan-verify-DbMuA5NWw2/data/8b11e8f92/f8c989f19be240e694d48fb881bd68cd [2024-11-02 12:27:28,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:27:28,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:27:28,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:28,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:27:28,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:27:28,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:28" (1/1) ... [2024-11-02 12:27:28,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa6b6db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:28, skipping insertion in model container [2024-11-02 12:27:28,073 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:28" (1/1) ... [2024-11-02 12:27:28,308 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:27:31,420 WARN L251 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_884350a7-d6d9-4f61-9d9a-a8ff95008d60/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334651,334664] [2024-11-02 12:27:31,425 WARN L251 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_884350a7-d6d9-4f61-9d9a-a8ff95008d60/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334820,334833] [2024-11-02 12:27:31,426 WARN L251 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_884350a7-d6d9-4f61-9d9a-a8ff95008d60/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334987,335000] [2024-11-02 12:27:31,427 WARN L251 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_884350a7-d6d9-4f61-9d9a-a8ff95008d60/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335155,335168] [2024-11-02 12:27:31,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:27:31,521 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:27:31,693 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"); [5286] [2024-11-02 12:27:31,696 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)); [5293] [2024-11-02 12:27:31,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5300] [2024-11-02 12:27:31,699 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)); [5339-5340] [2024-11-02 12:27:31,700 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"); [5345-5347] [2024-11-02 12:27:31,701 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" (809), "i" (12UL)); [5372-5373] [2024-11-02 12:27:31,701 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" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [5378-5380] [2024-11-02 12:27:31,702 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" (814), "i" (12UL)); [5404-5405] [2024-11-02 12:27:31,703 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" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5410-5412] [2024-11-02 12:27:31,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5564] [2024-11-02 12:27:31,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5572] [2024-11-02 12:27:31,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5580] [2024-11-02 12:27:31,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5587] [2024-11-02 12:27:31,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5594] [2024-11-02 12:27:31,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5601] [2024-11-02 12:27:31,716 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)); [5696-5697] [2024-11-02 12:27:31,719 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)); [5730-5731] [2024-11-02 12:27:31,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [5966-5967] [2024-11-02 12:27:31,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5973] [2024-11-02 12:27:31,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6670] [2024-11-02 12:27:31,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7126] [2024-11-02 12:27:31,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7718] [2024-11-02 12:27:31,962 WARN L251 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_884350a7-d6d9-4f61-9d9a-a8ff95008d60/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334651,334664] [2024-11-02 12:27:31,963 WARN L251 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_884350a7-d6d9-4f61-9d9a-a8ff95008d60/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334820,334833] [2024-11-02 12:27:31,963 WARN L251 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_884350a7-d6d9-4f61-9d9a-a8ff95008d60/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334987,335000] [2024-11-02 12:27:31,964 WARN L251 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_884350a7-d6d9-4f61-9d9a-a8ff95008d60/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335155,335168] [2024-11-02 12:27:31,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:27:32,216 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:27:32,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:32 WrapperNode [2024-11-02 12:27:32,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:32,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:27:32,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:27:32,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:27:32,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:32" (1/1) ... [2024-11-02 12:27:32,310 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:32" (1/1) ... [2024-11-02 12:27:32,506 INFO L138 Inliner]: procedures = 454, calls = 1845, calls flagged for inlining = 226, calls inlined = 204, statements flattened = 5182 [2024-11-02 12:27:32,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:27:32,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:27:32,508 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:27:32,508 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:27:32,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:32" (1/1) ... [2024-11-02 12:27:32,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:32" (1/1) ... [2024-11-02 12:27:32,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:32" (1/1) ... [2024-11-02 12:27:32,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:32" (1/1) ... [2024-11-02 12:27:32,748 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:32" (1/1) ... [2024-11-02 12:27:32,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:32" (1/1) ... [2024-11-02 12:27:32,797 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:32" (1/1) ... [2024-11-02 12:27:32,812 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:32" (1/1) ... [2024-11-02 12:27:32,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:27:32,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:27:32,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:27:32,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:27:32,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:32" (1/1) ... [2024-11-02 12:27:32,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:27:32,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_884350a7-d6d9-4f61-9d9a-a8ff95008d60/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:27:32,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_884350a7-d6d9-4f61-9d9a-a8ff95008d60/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:27:32,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_884350a7-d6d9-4f61-9d9a-a8ff95008d60/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:27:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-02 12:27:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-02 12:27:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2024-11-02 12:27:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2024-11-02 12:27:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-02 12:27:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-02 12:27:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-02 12:27:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-02 12:27:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-02 12:27:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-02 12:27:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-02 12:27:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-02 12:27:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-02 12:27:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-02 12:27:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-02 12:27:32,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-02 12:27:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-11-02 12:27:32,924 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-11-02 12:27:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-02 12:27:32,924 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-02 12:27:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-02 12:27:32,925 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-02 12:27:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2024-11-02 12:27:32,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2024-11-02 12:27:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-02 12:27:32,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-02 12:27:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-02 12:27:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-02 12:27:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-02 12:27:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-02 12:27:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-02 12:27:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-02 12:27:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-02 12:27:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-02 12:27:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2024-11-02 12:27:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2024-11-02 12:27:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-02 12:27:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-02 12:27:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:27:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-02 12:27:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-02 12:27:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2024-11-02 12:27:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2024-11-02 12:27:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2024-11-02 12:27:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2024-11-02 12:27:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-02 12:27:32,929 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-02 12:27:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2024-11-02 12:27:32,929 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2024-11-02 12:27:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-02 12:27:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_nway_reset [2024-11-02 12:27:32,929 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_nway_reset [2024-11-02 12:27:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-02 12:27:32,930 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-02 12:27:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2024-11-02 12:27:32,930 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2024-11-02 12:27:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:27:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_open [2024-11-02 12:27:32,930 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_open [2024-11-02 12:27:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-02 12:27:32,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-02 12:27:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:27:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-02 12:27:32,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-02 12:27:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-02 12:27:32,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-02 12:27:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-02 12:27:32,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-02 12:27:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-02 12:27:32,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-02 12:27:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-02 12:27:32,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-02 12:27:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-02 12:27:32,933 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-02 12:27:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2024-11-02 12:27:32,933 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2024-11-02 12:27:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-02 12:27:32,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-02 12:27:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:27:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-02 12:27:32,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-02 12:27:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-02 12:27:32,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-02 12:27:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2024-11-02 12:27:32,935 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2024-11-02 12:27:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2024-11-02 12:27:32,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2024-11-02 12:27:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:27:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-02 12:27:32,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-02 12:27:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-02 12:27:32,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-02 12:27:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:27:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-02 12:27:32,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-02 12:27:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-02 12:27:32,936 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-02 12:27:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2024-11-02 12:27:32,936 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2024-11-02 12:27:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-02 12:27:32,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-02 12:27:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2024-11-02 12:27:32,937 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2024-11-02 12:27:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-02 12:27:32,937 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-02 12:27:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2024-11-02 12:27:32,937 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2024-11-02 12:27:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-02 12:27:32,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-02 12:27:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-02 12:27:32,937 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-02 12:27:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-02 12:27:32,938 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-02 12:27:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-11-02 12:27:32,938 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-11-02 12:27:32,939 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2024-11-02 12:27:32,940 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2024-11-02 12:27:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2024-11-02 12:27:32,941 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2024-11-02 12:27:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:27:32,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:27:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_close [2024-11-02 12:27:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_close [2024-11-02 12:27:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-02 12:27:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:27:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-02 12:27:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-02 12:27:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-02 12:27:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-02 12:27:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-02 12:27:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-02 12:27:32,946 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2024-11-02 12:27:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2024-11-02 12:27:32,946 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2024-11-02 12:27:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2024-11-02 12:27:32,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-02 12:27:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-02 12:27:32,946 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2024-11-02 12:27:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2024-11-02 12:27:32,946 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-02 12:27:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-02 12:27:32,947 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2024-11-02 12:27:32,947 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2024-11-02 12:27:32,947 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-02 12:27:32,947 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-02 12:27:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-02 12:27:32,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-02 12:27:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-02 12:27:32,949 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-02 12:27:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-02 12:27:32,950 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-02 12:27:32,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:27:32,950 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-11-02 12:27:32,950 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-11-02 12:27:32,950 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-02 12:27:32,950 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-02 12:27:32,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:27:32,951 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2024-11-02 12:27:32,951 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2024-11-02 12:27:32,951 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-11-02 12:27:32,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-11-02 12:27:32,952 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2024-11-02 12:27:32,952 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2024-11-02 12:27:32,952 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2024-11-02 12:27:32,952 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2024-11-02 12:27:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-02 12:27:32,954 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-02 12:27:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-02 12:27:32,954 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-02 12:27:32,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-02 12:27:32,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-02 12:27:32,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-02 12:27:32,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-02 12:27:32,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_66 [2024-11-02 12:27:32,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_66 [2024-11-02 12:27:32,955 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2024-11-02 12:27:32,956 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2024-11-02 12:27:32,956 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-11-02 12:27:32,956 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-11-02 12:27:32,956 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-02 12:27:32,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-02 12:27:32,956 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-02 12:27:32,956 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-02 12:27:32,956 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-02 12:27:32,956 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-02 12:27:32,956 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-02 12:27:32,956 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-02 12:27:32,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:27:32,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-02 12:27:32,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-02 12:27:32,957 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2024-11-02 12:27:32,957 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2024-11-02 12:27:32,957 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-02 12:27:32,957 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-02 12:27:32,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_68 [2024-11-02 12:27:32,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_68 [2024-11-02 12:27:32,957 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2024-11-02 12:27:32,957 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2024-11-02 12:27:32,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2024-11-02 12:27:32,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2024-11-02 12:27:32,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-02 12:27:32,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-02 12:27:32,960 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-02 12:27:32,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-02 12:27:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_regs_len [2024-11-02 12:27:32,961 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_regs_len [2024-11-02 12:27:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-02 12:27:32,961 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-02 12:27:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:27:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_amd8111e_priv [2024-11-02 12:27:32,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_amd8111e_priv [2024-11-02 12:27:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-02 12:27:32,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-02 12:27:33,928 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:27:33,934 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:27:34,703 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-02 12:27:44,308 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-02 12:27:45,807 INFO L? ?]: Removed 2405 outVars from TransFormulas that were not future-live. [2024-11-02 12:27:45,808 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:27:48,114 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:27:48,115 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-02 12:27:48,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:27:48 BoogieIcfgContainer [2024-11-02 12:27:48,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:27:48,118 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:27:48,120 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:27:48,124 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:27:48,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:27:28" (1/3) ... [2024-11-02 12:27:48,125 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5761d7bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:27:48, skipping insertion in model container [2024-11-02 12:27:48,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:32" (2/3) ... [2024-11-02 12:27:48,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5761d7bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:27:48, skipping insertion in model container [2024-11-02 12:27:48,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:27:48" (3/3) ... [2024-11-02 12:27:48,128 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2024-11-02 12:27:48,150 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:27:48,150 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-02 12:27:48,300 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:27:48,308 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@89de737, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:27:48,309 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-02 12:27:48,320 INFO L276 IsEmpty]: Start isEmpty. Operand has 1450 states, 812 states have (on average 1.2746305418719213) internal successors, (1035), 838 states have internal predecessors, (1035), 537 states have call successors, (537), 99 states have call predecessors, (537), 98 states have return successors, (532), 525 states have call predecessors, (532), 532 states have call successors, (532) [2024-11-02 12:27:48,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-02 12:27:48,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:48,346 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:27:48,347 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-02 12:27:48,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:48,354 INFO L85 PathProgramCache]: Analyzing trace with hash 2037071553, now seen corresponding path program 1 times [2024-11-02 12:27:48,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:27:48,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143036566] [2024-11-02 12:27:48,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:48,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:27:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:53,066 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2024-11-02 12:27:53,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:27:53,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143036566] [2024-11-02 12:27:53,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143036566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:27:53,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:27:53,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:27:53,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388588771] [2024-11-02 12:27:53,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:27:53,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:27:53,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:27:53,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:27:53,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:27:53,120 INFO L87 Difference]: Start difference. First operand has 1450 states, 812 states have (on average 1.2746305418719213) internal successors, (1035), 838 states have internal predecessors, (1035), 537 states have call successors, (537), 99 states have call predecessors, (537), 98 states have return successors, (532), 525 states have call predecessors, (532), 532 states have call successors, (532) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13)