./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/bin/utaipan-verify-mE87zJ7Ire --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 d46a0c21917156d86326b49faaf0b679a3e4aece26c641cfed6d2cba03552492 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:21:54,561 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:21:54,686 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:21:54,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:21:54,696 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:21:54,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:21:54,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:21:54,737 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:21:54,738 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:21:54,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:21:54,740 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:21:54,741 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:21:54,742 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:21:54,743 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:21:54,744 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:21:54,744 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:21:54,745 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:21:54,746 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:21:54,747 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:21:54,748 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:21:54,749 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:21:54,750 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:21:54,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:21:54,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:21:54,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:21:54,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:21:54,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:21:54,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:21:54,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:21:54,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:21:54,757 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:21:54,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:21:54,759 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:21:54,760 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:21:54,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:54,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:21:54,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:21:54,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:21:54,764 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:21:54,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:21:54,766 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:21:54,767 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:21:54,767 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:21:54,768 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:21:54,769 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_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d46a0c21917156d86326b49faaf0b679a3e4aece26c641cfed6d2cba03552492 [2023-11-23 21:21:55,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:21:55,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:21:55,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:21:55,153 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:21:55,153 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:21:55,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-23 21:21:59,151 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:22:00,147 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:22:00,148 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-23 21:22:00,247 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/bin/utaipan-verify-mE87zJ7Ire/data/34a411846/fb4462f36c2b4c9c8a5820a76513adbc/FLAG712c11305 [2023-11-23 21:22:00,267 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/bin/utaipan-verify-mE87zJ7Ire/data/34a411846/fb4462f36c2b4c9c8a5820a76513adbc [2023-11-23 21:22:00,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:22:00,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:22:00,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:00,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:22:00,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:22:00,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:00" (1/1) ... [2023-11-23 21:22:00,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a8b2dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:00, skipping insertion in model container [2023-11-23 21:22:00,289 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:00" (1/1) ... [2023-11-23 21:22:00,527 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:22:05,522 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_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450587,450600] [2023-11-23 21:22:05,526 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_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450756,450769] [2023-11-23 21:22:05,527 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_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450923,450936] [2023-11-23 21:22:05,528 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_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[451091,451104] [2023-11-23 21:22:05,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:22:05,647 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:22:05,791 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"); [5385] [2023-11-23 21:22:05,793 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)); [5392] [2023-11-23 21:22:05,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5399] [2023-11-23 21:22:05,797 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/520b8de/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5444-5445] [2023-11-23 21:22:05,798 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"); [5450-5452] [2023-11-23 21:22:05,800 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/520b8de/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [5477-5478] [2023-11-23 21:22:05,801 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"); [5483-5485] [2023-11-23 21:22:05,802 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/520b8de/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [5509-5510] [2023-11-23 21:22:05,802 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"); [5515-5517] [2023-11-23 21:22:05,820 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)); [5796-5797] [2023-11-23 21:22:05,822 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)); [5830-5831] [2023-11-23 21:22:05,824 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)); [5867-5868] [2023-11-23 21:22:05,825 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)); [5904-5905] [2023-11-23 21:22:06,268 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)); [11550-11551] [2023-11-23 21:22:06,414 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_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450587,450600] [2023-11-23 21:22:06,415 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_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450756,450769] [2023-11-23 21:22:06,416 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_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450923,450936] [2023-11-23 21:22:06,416 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_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[451091,451104] [2023-11-23 21:22:06,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:22:06,952 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:22:06,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:06 WrapperNode [2023-11-23 21:22:06,953 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:06,955 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:22:06,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:22:06,956 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:22:06,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:06" (1/1) ... [2023-11-23 21:22:07,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:06" (1/1) ... [2023-11-23 21:22:07,616 INFO L138 Inliner]: procedures = 547, calls = 4444, calls flagged for inlining = 248, calls inlined = 226, statements flattened = 9692 [2023-11-23 21:22:07,617 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:22:07,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:22:07,618 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:22:07,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:22:07,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:06" (1/1) ... [2023-11-23 21:22:07,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:06" (1/1) ... [2023-11-23 21:22:07,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:06" (1/1) ... [2023-11-23 21:22:07,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:06" (1/1) ... [2023-11-23 21:22:07,971 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:06" (1/1) ... [2023-11-23 21:22:08,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:06" (1/1) ... [2023-11-23 21:22:08,192 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:06" (1/1) ... [2023-11-23 21:22:08,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:06" (1/1) ... [2023-11-23 21:22:08,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:22:08,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:22:08,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:22:08,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:22:08,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:06" (1/1) ... [2023-11-23 21:22:08,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:08,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:22:08,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:22:08,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9b04f3-353a-4c4f-b9d8-e6629a3d3feb/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:22:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 21:22:08,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 21:22:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:22:08,398 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:22:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-23 21:22:08,398 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-23 21:22:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-11-23 21:22:08,399 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-11-23 21:22:08,399 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2023-11-23 21:22:08,399 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2023-11-23 21:22:08,399 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:22:08,400 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:22:08,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2023-11-23 21:22:08,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2023-11-23 21:22:08,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:22:08,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:22:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:22:08,401 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:22:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2023-11-23 21:22:08,402 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2023-11-23 21:22:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_82 [2023-11-23 21:22:08,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_82 [2023-11-23 21:22:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2023-11-23 21:22:08,402 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2023-11-23 21:22:08,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:22:08,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:22:08,403 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-23 21:22:08,403 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-23 21:22:08,403 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2023-11-23 21:22:08,404 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2023-11-23 21:22:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:22:08,404 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:22:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-23 21:22:08,404 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-23 21:22:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-23 21:22:08,405 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-23 21:22:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2023-11-23 21:22:08,405 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2023-11-23 21:22:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-23 21:22:08,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-23 21:22:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2023-11-23 21:22:08,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2023-11-23 21:22:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-23 21:22:08,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-23 21:22:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2023-11-23 21:22:08,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2023-11-23 21:22:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:22:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:22:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2023-11-23 21:22:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2023-11-23 21:22:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2023-11-23 21:22:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2023-11-23 21:22:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2023-11-23 21:22:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2023-11-23 21:22:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:22:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:22:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:22:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:22:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:22:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:22:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-23 21:22:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-23 21:22:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-23 21:22:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-23 21:22:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-23 21:22:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-23 21:22:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 21:22:08,412 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 21:22:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:22:08,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:22:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-23 21:22:08,413 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-23 21:22:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:22:08,413 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:22:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2023-11-23 21:22:08,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2023-11-23 21:22:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-23 21:22:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-23 21:22:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:22:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2023-11-23 21:22:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2023-11-23 21:22:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-23 21:22:08,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-23 21:22:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:22:08,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:22:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:22:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:22:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:22:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2023-11-23 21:22:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2023-11-23 21:22:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-11-23 21:22:08,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-11-23 21:22:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2023-11-23 21:22:08,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2023-11-23 21:22:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:22:08,418 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:22:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-23 21:22:08,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-23 21:22:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:22:08,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:22:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:22:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:22:08,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:22:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:22:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2023-11-23 21:22:08,420 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2023-11-23 21:22:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-23 21:22:08,420 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-23 21:22:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:22:08,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:22:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:22:08,421 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:22:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 21:22:08,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 21:22:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:22:08,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:22:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:22:08,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:22:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2023-11-23 21:22:08,422 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2023-11-23 21:22:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_83 [2023-11-23 21:22:08,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_83 [2023-11-23 21:22:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-23 21:22:08,423 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-23 21:22:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-11-23 21:22:08,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-11-23 21:22:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-23 21:22:08,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-23 21:22:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2023-11-23 21:22:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2023-11-23 21:22:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:22:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:22:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2023-11-23 21:22:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2023-11-23 21:22:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:22:08,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:22:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:22:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-11-23 21:22:08,427 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-11-23 21:22:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-23 21:22:08,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-23 21:22:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:22:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:22:08,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:22:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:22:08,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:22:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:22:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-23 21:22:08,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-23 21:22:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:22:08,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:22:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-23 21:22:08,429 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-23 21:22:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:22:08,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:22:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_98 [2023-11-23 21:22:08,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_98 [2023-11-23 21:22:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2023-11-23 21:22:08,431 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2023-11-23 21:22:08,431 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 21:22:08,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 21:22:08,431 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2023-11-23 21:22:08,431 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2023-11-23 21:22:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-23 21:22:08,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-23 21:22:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-23 21:22:08,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-23 21:22:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2023-11-23 21:22:08,433 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2023-11-23 21:22:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-23 21:22:08,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-23 21:22:08,434 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2023-11-23 21:22:08,434 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2023-11-23 21:22:08,434 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:22:08,434 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:22:08,434 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-23 21:22:08,434 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-23 21:22:08,435 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2023-11-23 21:22:08,435 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2023-11-23 21:22:08,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 21:22:08,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 21:22:08,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2023-11-23 21:22:08,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2023-11-23 21:22:08,436 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2023-11-23 21:22:08,436 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2023-11-23 21:22:08,436 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-23 21:22:08,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-23 21:22:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-23 21:22:08,437 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-23 21:22:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2023-11-23 21:22:08,437 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2023-11-23 21:22:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-11-23 21:22:08,438 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-11-23 21:22:08,438 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2023-11-23 21:22:08,438 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2023-11-23 21:22:08,438 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2023-11-23 21:22:08,438 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2023-11-23 21:22:08,439 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-23 21:22:08,439 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-23 21:22:08,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:22:08,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:22:08,439 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2023-11-23 21:22:08,440 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2023-11-23 21:22:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:22:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:22:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:22:08,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:22:08,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:22:08,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:22:08,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 21:22:08,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 21:22:08,442 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-11-23 21:22:08,442 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-11-23 21:22:08,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-23 21:22:08,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-23 21:22:08,442 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:22:08,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:22:08,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-11-23 21:22:08,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-11-23 21:22:08,443 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-23 21:22:08,443 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-23 21:22:08,444 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-23 21:22:08,444 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-23 21:22:08,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:22:08,444 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-23 21:22:08,444 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-23 21:22:08,445 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-23 21:22:08,445 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-23 21:22:08,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:22:08,445 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2023-11-23 21:22:08,445 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2023-11-23 21:22:08,446 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2023-11-23 21:22:08,446 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2023-11-23 21:22:08,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_81 [2023-11-23 21:22:08,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_81 [2023-11-23 21:22:08,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:22:08,447 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:22:08,447 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:22:08,447 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:22:08,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:22:08,447 INFO L130 BoogieDeclarations]: Found specification of procedure rx_oom_timer [2023-11-23 21:22:08,448 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_oom_timer [2023-11-23 21:22:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-23 21:22:08,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-11-23 21:22:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:22:08,448 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:22:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:22:08,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:22:08,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-23 21:22:08,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-23 21:22:08,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_108 [2023-11-23 21:22:08,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_108 [2023-11-23 21:22:08,450 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-23 21:22:08,450 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-23 21:22:08,450 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2023-11-23 21:22:08,450 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2023-11-23 21:22:08,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_89 [2023-11-23 21:22:08,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_89 [2023-11-23 21:22:08,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2023-11-23 21:22:08,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2023-11-23 21:22:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2023-11-23 21:22:08,452 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2023-11-23 21:22:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-23 21:22:08,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-23 21:22:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-23 21:22:08,452 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-23 21:22:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2023-11-23 21:22:08,453 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2023-11-23 21:22:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 21:22:08,453 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 21:22:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:22:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:22:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-23 21:22:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-23 21:22:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:22:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:22:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2023-11-23 21:22:08,456 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2023-11-23 21:22:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_timer [2023-11-23 21:22:08,456 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_timer [2023-11-23 21:22:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:22:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-23 21:22:08,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-23 21:22:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2023-11-23 21:22:08,457 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2023-11-23 21:22:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-11-23 21:22:08,457 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-11-23 21:22:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-23 21:22:08,458 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-23 21:22:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:22:08,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:22:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2023-11-23 21:22:08,458 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2023-11-23 21:22:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2023-11-23 21:22:08,459 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2023-11-23 21:22:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2023-11-23 21:22:08,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2023-11-23 21:22:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-23 21:22:08,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-23 21:22:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_109 [2023-11-23 21:22:08,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_109 [2023-11-23 21:22:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_94 [2023-11-23 21:22:08,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_94 [2023-11-23 21:22:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2023-11-23 21:22:08,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2023-11-23 21:22:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_90 [2023-11-23 21:22:08,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_90 [2023-11-23 21:22:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-23 21:22:08,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-23 21:22:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2023-11-23 21:22:08,461 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2023-11-23 21:22:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2023-11-23 21:22:08,461 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2023-11-23 21:22:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:22:08,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:22:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-23 21:22:08,462 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-23 21:22:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-23 21:22:08,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-23 21:22:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-23 21:22:08,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-23 21:22:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2023-11-23 21:22:08,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2023-11-23 21:22:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:22:08,463 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:22:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:22:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:22:08,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:22:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-23 21:22:08,464 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-23 21:22:09,636 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:22:09,642 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:22:11,841 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:22:19,218 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:22:24,617 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:22:24,618 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 21:22:24,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:22:24 BoogieIcfgContainer [2023-11-23 21:22:24,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:22:24,629 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:22:24,629 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:22:24,633 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:22:24,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:22:00" (1/3) ... [2023-11-23 21:22:24,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6aafe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:22:24, skipping insertion in model container [2023-11-23 21:22:24,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:06" (2/3) ... [2023-11-23 21:22:24,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6aafe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:22:24, skipping insertion in model container [2023-11-23 21:22:24,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:22:24" (3/3) ... [2023-11-23 21:22:24,640 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-23 21:22:24,666 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:22:24,667 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-23 21:22:24,814 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:22:24,823 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;@4bf8081e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:22:24,824 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 21:22:24,840 INFO L276 IsEmpty]: Start isEmpty. Operand has 2388 states, 1379 states have (on average 1.3096446700507614) internal successors, (1806), 1467 states have internal predecessors, (1806), 849 states have call successors, (849), 157 states have call predecessors, (849), 156 states have return successors, (842), 824 states have call predecessors, (842), 842 states have call successors, (842) [2023-11-23 21:22:24,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 21:22:24,854 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:24,855 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:22:24,856 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)] === [2023-11-23 21:22:24,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:24,862 INFO L85 PathProgramCache]: Analyzing trace with hash 858020989, now seen corresponding path program 1 times [2023-11-23 21:22:24,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:22:24,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208133337] [2023-11-23 21:22:24,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:24,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:22:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:26,826 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-23 21:22:26,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:22:26,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208133337] [2023-11-23 21:22:26,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208133337] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:26,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:26,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:22:26,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800637045] [2023-11-23 21:22:26,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:26,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:22:26,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:22:26,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:22:26,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:22:26,869 INFO L87 Difference]: Start difference. First operand has 2388 states, 1379 states have (on average 1.3096446700507614) internal successors, (1806), 1467 states have internal predecessors, (1806), 849 states have call successors, (849), 157 states have call predecessors, (849), 156 states have return successors, (842), 824 states have call predecessors, (842), 842 states have call successors, (842) Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 21:22:29,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:22:30,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:22:34,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:34,026 INFO L93 Difference]: Finished difference Result 4758 states and 7202 transitions. [2023-11-23 21:22:34,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:22:34,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 37 [2023-11-23 21:22:34,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:34,069 INFO L225 Difference]: With dead ends: 4758 [2023-11-23 21:22:34,069 INFO L226 Difference]: Without dead ends: 2376 [2023-11-23 21:22:34,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:22:34,098 INFO L413 NwaCegarLoop]: 3102 mSDtfsCounter, 3470 mSDsluCounter, 6188 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3484 SdHoareTripleChecker+Valid, 9290 SdHoareTripleChecker+Invalid, 1181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:34,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3484 Valid, 9290 Invalid, 1181 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-11-23 21:22:34,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2376 states. [2023-11-23 21:22:34,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2376 to 2376. [2023-11-23 21:22:34,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2376 states, 1376 states have (on average 1.3030523255813953) internal successors, (1793), 1460 states have internal predecessors, (1793), 841 states have call successors, (841), 157 states have call predecessors, (841), 156 states have return successors, (838), 820 states have call predecessors, (838), 838 states have call successors, (838) [2023-11-23 21:22:34,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 3472 transitions. [2023-11-23 21:22:34,426 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 3472 transitions. Word has length 37 [2023-11-23 21:22:34,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:34,427 INFO L495 AbstractCegarLoop]: Abstraction has 2376 states and 3472 transitions. [2023-11-23 21:22:34,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 21:22:34,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 3472 transitions. [2023-11-23 21:22:34,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 21:22:34,438 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:34,438 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:22:34,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:22:34,439 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 21:22:34,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:34,440 INFO L85 PathProgramCache]: Analyzing trace with hash -758166049, now seen corresponding path program 1 times [2023-11-23 21:22:34,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:22:34,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076229247] [2023-11-23 21:22:34,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:34,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:22:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:35,790 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-23 21:22:35,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:22:35,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076229247] [2023-11-23 21:22:35,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076229247] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:35,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:35,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:22:35,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742026420] [2023-11-23 21:22:35,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:35,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:22:35,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:22:35,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:22:35,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:22:35,802 INFO L87 Difference]: Start difference. First operand 2376 states and 3472 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 21:22:38,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:22:40,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []