./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc751086-1567-4c7f-9658-a4b2a6417bde/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc751086-1567-4c7f-9658-a4b2a6417bde/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc751086-1567-4c7f-9658-a4b2a6417bde/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc751086-1567-4c7f-9658-a4b2a6417bde/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc751086-1567-4c7f-9658-a4b2a6417bde/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc751086-1567-4c7f-9658-a4b2a6417bde/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:16:45,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:16:45,379 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc751086-1567-4c7f-9658-a4b2a6417bde/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:16:45,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:16:45,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:16:45,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:16:45,421 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:16:45,422 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:16:45,423 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:16:45,423 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:16:45,424 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:16:45,425 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:16:45,425 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:16:45,426 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:16:45,427 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:16:45,427 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:16:45,428 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:16:45,429 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:16:45,430 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:16:45,430 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:16:45,431 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:16:45,432 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:16:45,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:16:45,434 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:16:45,435 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:16:45,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:16:45,436 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:16:45,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:16:45,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:16:45,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:16:45,438 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:16:45,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:16:45,440 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:16:45,440 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:16:45,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:16:45,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:16:45,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:16:45,442 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:16:45,443 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:16:45,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:16:45,443 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:16:45,444 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:16:45,444 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:16:45,444 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:16:45,445 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_bc751086-1567-4c7f-9658-a4b2a6417bde/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc751086-1567-4c7f-9658-a4b2a6417bde/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c [2023-11-24 23:16:45,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:16:45,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:16:45,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:16:45,875 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:16:45,876 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:16:45,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc751086-1567-4c7f-9658-a4b2a6417bde/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-24 23:16:49,522 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:16:50,481 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:16:50,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc751086-1567-4c7f-9658-a4b2a6417bde/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-24 23:16:50,552 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc751086-1567-4c7f-9658-a4b2a6417bde/bin/utaipan-verify-SwPr7d2a91/data/47cbf391b/a9c3d91b14ac4a11af87cc53dbb78fb2/FLAG47d3f5905 [2023-11-24 23:16:50,575 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc751086-1567-4c7f-9658-a4b2a6417bde/bin/utaipan-verify-SwPr7d2a91/data/47cbf391b/a9c3d91b14ac4a11af87cc53dbb78fb2 [2023-11-24 23:16:50,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:16:50,587 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:16:50,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:16:50,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:16:50,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:16:50,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:16:50" (1/1) ... [2023-11-24 23:16:50,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d61f423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:50, skipping insertion in model container [2023-11-24 23:16:50,602 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:16:50" (1/1) ... [2023-11-24 23:16:51,279 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:16:56,349 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_bc751086-1567-4c7f-9658-a4b2a6417bde/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2023-11-24 23:16:56,366 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_bc751086-1567-4c7f-9658-a4b2a6417bde/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2023-11-24 23:16:56,367 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_bc751086-1567-4c7f-9658-a4b2a6417bde/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2023-11-24 23:16:56,368 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_bc751086-1567-4c7f-9658-a4b2a6417bde/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2023-11-24 23:16:56,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:16:56,529 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:16:56,693 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"); [5359] [2023-11-24 23:16:56,695 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)); [5366] [2023-11-24 23:16:56,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5373] [2023-11-24 23:16:56,698 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)); [5418-5419] [2023-11-24 23:16:56,699 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"); [5424-5426] [2023-11-24 23:16:56,700 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)); [5451-5452] [2023-11-24 23:16:56,700 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" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [5457-5459] [2023-11-24 23:16:56,701 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" (814), "i" (12UL)); [5483-5484] [2023-11-24 23:16:56,701 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" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5489-5491] [2023-11-24 23:16:56,712 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)); [5770-5771] [2023-11-24 23:16:56,714 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)); [5804-5805] [2023-11-24 23:16:56,716 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" (103), "i" (12UL)); [5841-5842] [2023-11-24 23:16:56,718 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)); [5878-5879] [2023-11-24 23:16:57,039 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 *)"drivers/net/ethernet/3com/3c59x.c"), "i" (3233), "i" (12UL)); [11524-11525] [2023-11-24 23:16:57,201 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_bc751086-1567-4c7f-9658-a4b2a6417bde/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2023-11-24 23:16:57,202 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_bc751086-1567-4c7f-9658-a4b2a6417bde/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2023-11-24 23:16:57,203 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_bc751086-1567-4c7f-9658-a4b2a6417bde/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2023-11-24 23:16:57,203 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_bc751086-1567-4c7f-9658-a4b2a6417bde/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2023-11-24 23:16:57,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:16:57,648 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:16:57,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:57 WrapperNode [2023-11-24 23:16:57,649 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:16:57,650 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:16:57,650 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:16:57,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:16:57,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:57" (1/1) ... [2023-11-24 23:16:57,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:57" (1/1) ... [2023-11-24 23:16:58,249 INFO L138 Inliner]: procedures = 566, calls = 4491, calls flagged for inlining = 270, calls inlined = 248, statements flattened = 10222 [2023-11-24 23:16:58,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:16:58,250 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:16:58,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:16:58,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:16:58,262 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:57" (1/1) ... [2023-11-24 23:16:58,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:57" (1/1) ... [2023-11-24 23:16:58,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:57" (1/1) ... [2023-11-24 23:16:58,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:57" (1/1) ... [2023-11-24 23:16:58,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:57" (1/1) ... [2023-11-24 23:16:58,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:57" (1/1) ... [2023-11-24 23:16:58,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:57" (1/1) ... [2023-11-24 23:16:58,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:57" (1/1) ... [2023-11-24 23:16:58,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:16:58,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:16:58,849 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:16:58,849 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:16:58,850 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:57" (1/1) ... [2023-11-24 23:16:58,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:16:58,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc751086-1567-4c7f-9658-a4b2a6417bde/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:16:58,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc751086-1567-4c7f-9658-a4b2a6417bde/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:16:58,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc751086-1567-4c7f-9658-a4b2a6417bde/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:16:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-24 23:16:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-24 23:16:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:16:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:16:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-24 23:16:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-24 23:16:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-11-24 23:16:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-11-24 23:16:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2023-11-24 23:16:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2023-11-24 23:16:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-24 23:16:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-24 23:16:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2023-11-24 23:16:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2023-11-24 23:16:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:16:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:16:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-24 23:16:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-24 23:16:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2023-11-24 23:16:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2023-11-24 23:16:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_82 [2023-11-24 23:16:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_82 [2023-11-24 23:16:58,956 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2023-11-24 23:16:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2023-11-24 23:16:58,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:16:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:16:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-24 23:16:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-24 23:16:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2023-11-24 23:16:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2023-11-24 23:16:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-24 23:16:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-24 23:16:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-24 23:16:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-24 23:16:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-24 23:16:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-24 23:16:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2023-11-24 23:16:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2023-11-24 23:16:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-24 23:16:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-24 23:16:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2023-11-24 23:16:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2023-11-24 23:16:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-24 23:16:58,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-24 23:16:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-24 23:16:58,961 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-24 23:16:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2023-11-24 23:16:58,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2023-11-24 23:16:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2023-11-24 23:16:58,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2023-11-24 23:16:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2023-11-24 23:16:58,962 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2023-11-24 23:16:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-24 23:16:58,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-24 23:16:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:16:58,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:16:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-24 23:16:58,964 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-24 23:16:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-24 23:16:58,965 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-24 23:16:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-24 23:16:58,965 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-24 23:16:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-24 23:16:58,966 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-24 23:16:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-24 23:16:58,966 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-24 23:16:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:16:58,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:16:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-24 23:16:58,967 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-24 23:16:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-24 23:16:58,968 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-24 23:16:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-24 23:16:58,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-24 23:16:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:16:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2023-11-24 23:16:58,969 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2023-11-24 23:16:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-24 23:16:58,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-24 23:16:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-24 23:16:58,969 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-24 23:16:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-24 23:16:58,970 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-24 23:16:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:16:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2023-11-24 23:16:58,970 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2023-11-24 23:16:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-11-24 23:16:58,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-11-24 23:16:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2023-11-24 23:16:58,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2023-11-24 23:16:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-24 23:16:58,972 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-24 23:16:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-24 23:16:58,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-24 23:16:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-24 23:16:58,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-24 23:16:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:16:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:16:58,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:16:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:16:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2023-11-24 23:16:58,974 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2023-11-24 23:16:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-24 23:16:58,975 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-24 23:16:58,975 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-24 23:16:58,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-24 23:16:58,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-24 23:16:58,975 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-24 23:16:58,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-24 23:16:58,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-24 23:16:58,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-24 23:16:58,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-24 23:16:58,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-24 23:16:58,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-24 23:16:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2023-11-24 23:16:58,977 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2023-11-24 23:16:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-24 23:16:58,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-24 23:16:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-11-24 23:16:58,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-11-24 23:16:58,979 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-24 23:16:58,979 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-24 23:16:58,979 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2023-11-24 23:16:58,979 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2023-11-24 23:16:58,980 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-24 23:16:58,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-24 23:16:58,981 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2023-11-24 23:16:58,981 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2023-11-24 23:16:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:16:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:16:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:16:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-24 23:16:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-24 23:16:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-11-24 23:16:58,992 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-11-24 23:16:58,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 23:16:58,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 23:16:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-24 23:16:58,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-24 23:16:58,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-24 23:16:58,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-24 23:16:58,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-24 23:16:58,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-24 23:16:58,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:16:58,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:16:58,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:16:58,999 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-24 23:16:58,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-24 23:16:58,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:16:58,999 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-24 23:16:58,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-24 23:16:59,000 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:16:59,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:16:59,000 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-24 23:16:59,000 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-24 23:16:59,000 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:16:59,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:16:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2023-11-24 23:16:59,001 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2023-11-24 23:16:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-24 23:16:59,001 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-24 23:16:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2023-11-24 23:16:59,001 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2023-11-24 23:16:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-24 23:16:59,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-24 23:16:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-24 23:16:59,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-24 23:16:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2023-11-24 23:16:59,002 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2023-11-24 23:16:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2023-11-24 23:16:59,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2023-11-24 23:16:59,003 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-24 23:16:59,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-24 23:16:59,003 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2023-11-24 23:16:59,003 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2023-11-24 23:16:59,003 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 23:16:59,003 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 23:16:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-24 23:16:59,004 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-24 23:16:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2023-11-24 23:16:59,004 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2023-11-24 23:16:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-24 23:16:59,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-24 23:16:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2023-11-24 23:16:59,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2023-11-24 23:16:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2023-11-24 23:16:59,005 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2023-11-24 23:16:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-24 23:16:59,005 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-24 23:16:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2023-11-24 23:16:59,005 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2023-11-24 23:16:59,006 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-11-24 23:16:59,006 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-11-24 23:16:59,006 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2023-11-24 23:16:59,006 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2023-11-24 23:16:59,006 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2023-11-24 23:16:59,006 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2023-11-24 23:16:59,006 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-24 23:16:59,007 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-24 23:16:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:16:59,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:16:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2023-11-24 23:16:59,007 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2023-11-24 23:16:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:16:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:16:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:16:59,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:16:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:16:59,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:16:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-24 23:16:59,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-24 23:16:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-11-24 23:16:59,009 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-11-24 23:16:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-24 23:16:59,009 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-24 23:16:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-24 23:16:59,009 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-24 23:16:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-11-24 23:16:59,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-11-24 23:16:59,010 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-24 23:16:59,010 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-24 23:16:59,010 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-24 23:16:59,010 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-24 23:16:59,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:16:59,010 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-24 23:16:59,010 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-24 23:16:59,011 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-24 23:16:59,011 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-24 23:16:59,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:16:59,011 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2023-11-24 23:16:59,011 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2023-11-24 23:16:59,011 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2023-11-24 23:16:59,011 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2023-11-24 23:16:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_81 [2023-11-24 23:16:59,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_81 [2023-11-24 23:16:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:16:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:16:59,012 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:16:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-24 23:16:59,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-24 23:16:59,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-24 23:16:59,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-11-24 23:16:59,013 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-24 23:16:59,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-24 23:16:59,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:16:59,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:16:59,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-24 23:16:59,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-24 23:16:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_108 [2023-11-24 23:16:59,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_108 [2023-11-24 23:16:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-24 23:16:59,014 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-24 23:16:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2023-11-24 23:16:59,014 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2023-11-24 23:16:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_89 [2023-11-24 23:16:59,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_89 [2023-11-24 23:16:59,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2023-11-24 23:16:59,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2023-11-24 23:16:59,020 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2023-11-24 23:16:59,020 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2023-11-24 23:16:59,020 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-24 23:16:59,020 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-24 23:16:59,020 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-24 23:16:59,020 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-24 23:16:59,021 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2023-11-24 23:16:59,022 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2023-11-24 23:16:59,023 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-24 23:16:59,023 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-24 23:16:59,023 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-24 23:16:59,023 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-24 23:16:59,023 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-24 23:16:59,023 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-24 23:16:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-24 23:16:59,024 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-24 23:16:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2023-11-24 23:16:59,024 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2023-11-24 23:16:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:16:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-24 23:16:59,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-24 23:16:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2023-11-24 23:16:59,025 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2023-11-24 23:16:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-11-24 23:16:59,025 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-11-24 23:16:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-24 23:16:59,025 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-24 23:16:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:16:59,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:16:59,026 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2023-11-24 23:16:59,026 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2023-11-24 23:16:59,026 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2023-11-24 23:16:59,026 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2023-11-24 23:16:59,026 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-24 23:16:59,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-24 23:16:59,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_109 [2023-11-24 23:16:59,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_109 [2023-11-24 23:16:59,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_94 [2023-11-24 23:16:59,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_94 [2023-11-24 23:16:59,027 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2023-11-24 23:16:59,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2023-11-24 23:16:59,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_90 [2023-11-24 23:16:59,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_90 [2023-11-24 23:16:59,027 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-24 23:16:59,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-24 23:16:59,028 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2023-11-24 23:16:59,028 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2023-11-24 23:16:59,028 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2023-11-24 23:16:59,028 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2023-11-24 23:16:59,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:16:59,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:16:59,029 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-24 23:16:59,029 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-24 23:16:59,029 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-24 23:16:59,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-24 23:16:59,029 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-24 23:16:59,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-24 23:16:59,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2023-11-24 23:16:59,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2023-11-24 23:16:59,030 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-24 23:16:59,030 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-24 23:16:59,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:16:59,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:16:59,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:16:59,030 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-24 23:16:59,030 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-24 23:17:00,332 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:17:00,353 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:17:02,016 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:17:10,587 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:17:10,801 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:17:16,119 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:17:16,119 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:17:16,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:17:16 BoogieIcfgContainer [2023-11-24 23:17:16,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:17:16,130 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:17:16,130 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:17:16,133 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:17:16,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:16:50" (1/3) ... [2023-11-24 23:17:16,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f19280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:17:16, skipping insertion in model container [2023-11-24 23:17:16,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:57" (2/3) ... [2023-11-24 23:17:16,135 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f19280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:17:16, skipping insertion in model container [2023-11-24 23:17:16,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:17:16" (3/3) ... [2023-11-24 23:17:16,136 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-24 23:17:16,161 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:17:16,162 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-24 23:17:16,282 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:17:16,289 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@59de38c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:17:16,290 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-24 23:17:16,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 2579 states, 1531 states have (on average 1.3350751143043762) internal successors, (2044), 1599 states have internal predecessors, (2044), 892 states have call successors, (892), 154 states have call predecessors, (892), 153 states have return successors, (883), 868 states have call predecessors, (883), 883 states have call successors, (883) [2023-11-24 23:17:16,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-24 23:17:16,338 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:17:16,339 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:17:16,339 INFO L420 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)] === [2023-11-24 23:17:16,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:17:16,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1404168062, now seen corresponding path program 1 times [2023-11-24 23:17:16,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:17:16,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773543082] [2023-11-24 23:17:16,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:17:16,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:17:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:17:18,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2023-11-24 23:17:18,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:17:18,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773543082] [2023-11-24 23:17:18,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773543082] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:17:18,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:17:18,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:17:18,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327483352] [2023-11-24 23:17:18,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:17:18,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:17:18,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:17:18,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:17:18,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:17:18,328 INFO L87 Difference]: Start difference. First operand has 2579 states, 1531 states have (on average 1.3350751143043762) internal successors, (2044), 1599 states have internal predecessors, (2044), 892 states have call successors, (892), 154 states have call predecessors, (892), 153 states have return successors, (883), 868 states have call predecessors, (883), 883 states have call successors, (883) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-24 23:17:22,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:17:26,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:17:28,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:17:30,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:17:30,314 INFO L93 Difference]: Finished difference Result 7561 states and 11625 transitions. [2023-11-24 23:17:30,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:17:30,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 192 [2023-11-24 23:17:30,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:17:30,422 INFO L225 Difference]: With dead ends: 7561 [2023-11-24 23:17:30,422 INFO L226 Difference]: Without dead ends: 5000 [2023-11-24 23:17:30,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:17:30,484 INFO L413 NwaCegarLoop]: 3345 mSDtfsCounter, 3651 mSDsluCounter, 3293 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3651 SdHoareTripleChecker+Valid, 6638 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:17:30,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3651 Valid, 6638 Invalid, 971 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 961 Invalid, 3 Unknown, 0 Unchecked, 11.3s Time] [2023-11-24 23:17:30,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5000 states. [2023-11-24 23:17:31,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5000 to 4996. [2023-11-24 23:17:31,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4996 states, 2986 states have (on average 1.3318821165438715) internal successors, (3977), 3121 states have internal predecessors, (3977), 1705 states have call successors, (1705), 303 states have call predecessors, (1705), 302 states have return successors, (1701), 1671 states have call predecessors, (1701), 1701 states have call successors, (1701) [2023-11-24 23:17:31,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4996 states to 4996 states and 7383 transitions. [2023-11-24 23:17:31,286 INFO L78 Accepts]: Start accepts. Automaton has 4996 states and 7383 transitions. Word has length 192 [2023-11-24 23:17:31,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:17:31,288 INFO L495 AbstractCegarLoop]: Abstraction has 4996 states and 7383 transitions. [2023-11-24 23:17:31,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-24 23:17:31,289 INFO L276 IsEmpty]: Start isEmpty. Operand 4996 states and 7383 transitions. [2023-11-24 23:17:31,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-24 23:17:31,314 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:17:31,314 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:17:31,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:17:31,316 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-24 23:17:31,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:17:31,317 INFO L85 PathProgramCache]: Analyzing trace with hash 760163889, now seen corresponding path program 1 times [2023-11-24 23:17:31,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:17:31,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476315638] [2023-11-24 23:17:31,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:17:31,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:17:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat