./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-atheros-alx-alx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:52:50,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:52:50,766 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:52:50,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:52:50,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:52:50,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:52:50,828 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:52:50,829 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:52:50,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:52:50,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:52:50,838 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:52:50,840 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:52:50,840 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:52:50,842 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:52:50,843 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:52:50,843 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:52:50,844 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:52:50,844 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:52:50,845 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:52:50,846 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:52:50,846 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:52:50,847 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:52:50,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:52:50,848 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:52:50,849 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:52:50,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:52:50,850 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:52:50,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:52:50,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:52:50,851 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:52:50,852 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:52:50,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:52:50,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:52:50,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:52:50,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:52:50,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:52:50,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:52:50,854 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:52:50,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:52:50,855 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:52:50,855 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:52:50,856 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:52:50,856 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_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2023-11-12 00:52:51,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:52:51,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:52:51,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:52:51,201 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:52:51,202 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:52:51,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2023-11-12 00:52:54,499 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:52:55,267 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:52:55,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2023-11-12 00:52:55,341 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/bin/utaipan-verify-NcY6lQBIFX/data/7ac083591/a70ec5de23da470ea0c3a8b76fcf3b79/FLAGd6039cd9e [2023-11-12 00:52:55,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/bin/utaipan-verify-NcY6lQBIFX/data/7ac083591/a70ec5de23da470ea0c3a8b76fcf3b79 [2023-11-12 00:52:55,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:52:55,373 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:52:55,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:52:55,375 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:52:55,382 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:52:55,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:55" (1/1) ... [2023-11-12 00:52:55,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38838bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:55, skipping insertion in model container [2023-11-12 00:52:55,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:55" (1/1) ... [2023-11-12 00:52:55,633 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:53:00,795 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_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2023-11-12 00:53:00,801 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_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2023-11-12 00:53:00,801 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_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2023-11-12 00:53:00,802 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_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2023-11-12 00:53:00,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:00,960 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:53:01,179 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"); [6111] [2023-11-12 00:53:01,181 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)); [6118] [2023-11-12 00:53:01,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6125] [2023-11-12 00:53:01,188 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)); [6167-6168] [2023-11-12 00:53:01,188 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"); [6173-6175] [2023-11-12 00:53:01,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [6305] [2023-11-12 00:53:01,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6313] [2023-11-12 00:53:01,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [6320] [2023-11-12 00:53:01,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6327] [2023-11-12 00:53:01,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/dynamic_queue_limits.h"), "i" (74), "i" (12UL)); [6355-6356] [2023-11-12 00:53:01,207 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)); [6468-6469] [2023-11-12 00:53:01,212 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)); [6502-6503] [2023-11-12 00:53:01,214 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" (79), "i" (12UL)); [6543-6544] [2023-11-12 00:53:01,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [6898-6899] [2023-11-12 00:53:01,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6905] [2023-11-12 00:53:01,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7121] [2023-11-12 00:53:01,236 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7161] [2023-11-12 00:53:01,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [7323] [2023-11-12 00:53:01,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [7326] [2023-11-12 00:53:01,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [7329] [2023-11-12 00:53:01,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [7332] [2023-11-12 00:53:01,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [7363] [2023-11-12 00:53:01,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [7366] [2023-11-12 00:53:01,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [7369] [2023-11-12 00:53:01,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [7372] [2023-11-12 00:53:01,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [7403] [2023-11-12 00:53:01,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [7406] [2023-11-12 00:53:01,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [7409] [2023-11-12 00:53:01,243 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [7412] [2023-11-12 00:53:01,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [7443] [2023-11-12 00:53:01,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [7446] [2023-11-12 00:53:01,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [7449] [2023-11-12 00:53:01,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [7452] [2023-11-12 00:53:01,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7862] [2023-11-12 00:53:01,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9294] [2023-11-12 00:53:01,639 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_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2023-11-12 00:53:01,640 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_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2023-11-12 00:53:01,641 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_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2023-11-12 00:53:01,643 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_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2023-11-12 00:53:01,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:02,092 WARN L672 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:02,093 WARN L672 CHandler]: The function __bad_unaligned_access_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:02,093 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:02,100 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:53:02,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02 WrapperNode [2023-11-12 00:53:02,101 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:02,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:02,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:53:02,103 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:53:02,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (1/1) ... [2023-11-12 00:53:02,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (1/1) ... [2023-11-12 00:53:02,645 INFO L138 Inliner]: procedures = 676, calls = 4388, calls flagged for inlining = 339, calls inlined = 301, statements flattened = 9757 [2023-11-12 00:53:02,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:02,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:53:02,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:53:02,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:53:02,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (1/1) ... [2023-11-12 00:53:02,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (1/1) ... [2023-11-12 00:53:02,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (1/1) ... [2023-11-12 00:53:02,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (1/1) ... [2023-11-12 00:53:03,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (1/1) ... [2023-11-12 00:53:03,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (1/1) ... [2023-11-12 00:53:03,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (1/1) ... [2023-11-12 00:53:03,247 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (1/1) ... [2023-11-12 00:53:03,324 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:53:03,325 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:53:03,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:53:03,326 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:53:03,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (1/1) ... [2023-11-12 00:53:03,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:03,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:53:03,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:53:03,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5bfb39-3d16-4857-bd0e-77b35fd7ea56/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:53:03,415 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-11-12 00:53:03,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-11-12 00:53:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:53:03,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:53:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-11-12 00:53:03,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-11-12 00:53:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2023-11-12 00:53:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2023-11-12 00:53:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:53:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:53:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2023-11-12 00:53:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2023-11-12 00:53:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2023-11-12 00:53:03,418 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2023-11-12 00:53:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2023-11-12 00:53:03,418 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2023-11-12 00:53:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2023-11-12 00:53:03,418 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2023-11-12 00:53:03,419 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2023-11-12 00:53:03,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2023-11-12 00:53:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:53:03,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:53:03,421 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-12 00:53:03,421 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-12 00:53:03,421 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2023-11-12 00:53:03,421 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2023-11-12 00:53:03,421 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:53:03,421 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:53:03,421 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 00:53:03,422 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 00:53:03,422 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2023-11-12 00:53:03,422 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2023-11-12 00:53:03,423 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2023-11-12 00:53:03,423 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2023-11-12 00:53:03,423 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2023-11-12 00:53:03,424 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2023-11-12 00:53:03,424 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:53:03,424 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:53:03,424 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2023-11-12 00:53:03,424 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2023-11-12 00:53:03,424 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2023-11-12 00:53:03,424 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2023-11-12 00:53:03,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:53:03,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:53:03,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:53:03,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:53:03,426 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 00:53:03,426 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 00:53:03,426 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:53:03,426 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:53:03,426 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2023-11-12 00:53:03,427 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2023-11-12 00:53:03,427 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2023-11-12 00:53:03,427 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2023-11-12 00:53:03,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:53:03,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:53:03,427 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2023-11-12 00:53:03,427 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2023-11-12 00:53:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-12 00:53:03,428 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-12 00:53:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:53:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 00:53:03,428 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 00:53:03,429 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2023-11-12 00:53:03,429 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2023-11-12 00:53:03,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2023-11-12 00:53:03,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2023-11-12 00:53:03,430 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-12 00:53:03,430 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-12 00:53:03,430 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-11-12 00:53:03,430 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-11-12 00:53:03,431 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2023-11-12 00:53:03,431 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2023-11-12 00:53:03,431 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2023-11-12 00:53:03,432 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2023-11-12 00:53:03,432 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2023-11-12 00:53:03,432 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:53:03,432 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:53:03,432 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-12 00:53:03,432 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-12 00:53:03,433 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 00:53:03,433 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 00:53:03,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:53:03,433 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2023-11-12 00:53:03,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2023-11-12 00:53:03,435 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2023-11-12 00:53:03,435 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2023-11-12 00:53:03,435 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:53:03,435 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:53:03,435 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2023-11-12 00:53:03,435 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2023-11-12 00:53:03,435 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 00:53:03,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 00:53:03,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:53:03,437 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2023-11-12 00:53:03,437 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2023-11-12 00:53:03,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:53:03,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:53:03,438 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-12 00:53:03,438 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-12 00:53:03,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:53:03,438 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:53:03,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:53:03,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:53:03,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:53:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:53:03,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:53:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2023-11-12 00:53:03,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2023-11-12 00:53:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2023-11-12 00:53:03,444 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2023-11-12 00:53:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:53:03,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:53:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:53:03,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:53:03,451 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2023-11-12 00:53:03,452 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2023-11-12 00:53:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2023-11-12 00:53:03,452 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2023-11-12 00:53:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 00:53:03,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 00:53:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:53:03,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:53:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:53:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:53:03,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:53:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-12 00:53:03,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-12 00:53:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-12 00:53:03,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-12 00:53:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2023-11-12 00:53:03,453 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2023-11-12 00:53:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-12 00:53:03,454 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-12 00:53:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2023-11-12 00:53:03,454 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2023-11-12 00:53:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:53:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-12 00:53:03,454 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-12 00:53:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:53:03,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:53:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:53:03,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:53:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:53:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 00:53:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2023-11-12 00:53:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2023-11-12 00:53:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2023-11-12 00:53:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2023-11-12 00:53:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2023-11-12 00:53:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2023-11-12 00:53:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:53:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:53:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:53:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:53:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2023-11-12 00:53:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2023-11-12 00:53:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2023-11-12 00:53:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2023-11-12 00:53:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2023-11-12 00:53:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2023-11-12 00:53:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2023-11-12 00:53:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2023-11-12 00:53:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2023-11-12 00:53:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2023-11-12 00:53:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 00:53:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 00:53:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-12 00:53:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-12 00:53:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-12 00:53:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-12 00:53:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:53:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:53:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2023-11-12 00:53:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2023-11-12 00:53:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:53:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:53:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2023-11-12 00:53:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2023-11-12 00:53:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2023-11-12 00:53:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2023-11-12 00:53:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:53:03,462 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:53:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2023-11-12 00:53:03,462 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2023-11-12 00:53:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:53:03,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:53:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-12 00:53:03,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-12 00:53:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2023-11-12 00:53:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2023-11-12 00:53:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:53:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:53:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:53:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:53:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2023-11-12 00:53:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2023-11-12 00:53:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-12 00:53:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-12 00:53:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:53:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:53:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-12 00:53:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-12 00:53:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 00:53:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 00:53:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-12 00:53:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2023-11-12 00:53:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2023-11-12 00:53:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-12 00:53:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-12 00:53:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-12 00:53:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-12 00:53:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2023-11-12 00:53:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2023-11-12 00:53:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:53:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:53:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2023-11-12 00:53:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2023-11-12 00:53:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2023-11-12 00:53:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2023-11-12 00:53:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:53:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:53:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2023-11-12 00:53:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2023-11-12 00:53:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2023-11-12 00:53:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2023-11-12 00:53:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-12 00:53:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-12 00:53:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:53:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:53:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-11-12 00:53:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-11-12 00:53:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-11-12 00:53:03,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-11-12 00:53:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-12 00:53:03,474 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-12 00:53:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 00:53:03,475 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 00:53:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:53:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:53:03,475 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:53:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2023-11-12 00:53:03,476 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2023-11-12 00:53:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2023-11-12 00:53:03,476 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2023-11-12 00:53:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-12 00:53:03,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-12 00:53:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2023-11-12 00:53:03,477 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2023-11-12 00:53:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:53:03,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:53:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:53:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2023-11-12 00:53:03,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2023-11-12 00:53:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:53:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2023-11-12 00:53:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2023-11-12 00:53:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:53:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:53:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:53:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:53:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-12 00:53:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-11-12 00:53:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 00:53:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 00:53:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2023-11-12 00:53:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2023-11-12 00:53:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-12 00:53:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-12 00:53:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-12 00:53:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-12 00:53:03,480 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-12 00:53:03,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-12 00:53:03,480 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:53:03,480 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:53:03,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-12 00:53:03,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-12 00:53:03,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:53:03,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:53:03,481 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-12 00:53:03,481 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-12 00:53:03,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2023-11-12 00:53:03,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2023-11-12 00:53:03,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2023-11-12 00:53:03,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2023-11-12 00:53:03,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2023-11-12 00:53:03,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2023-11-12 00:53:03,481 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 00:53:03,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 00:53:03,482 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:53:03,482 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:53:03,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2023-11-12 00:53:03,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2023-11-12 00:53:03,482 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2023-11-12 00:53:03,482 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2023-11-12 00:53:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:53:03,483 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:53:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2023-11-12 00:53:03,483 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2023-11-12 00:53:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:53:03,483 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:53:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2023-11-12 00:53:03,483 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2023-11-12 00:53:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:53:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:53:03,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:53:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2023-11-12 00:53:03,484 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2023-11-12 00:53:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 00:53:03,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 00:53:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2023-11-12 00:53:03,485 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2023-11-12 00:53:03,485 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2023-11-12 00:53:03,485 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2023-11-12 00:53:03,485 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2023-11-12 00:53:03,485 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2023-11-12 00:53:03,485 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 00:53:03,485 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 00:53:03,485 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2023-11-12 00:53:03,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2023-11-12 00:53:03,486 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 00:53:03,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 00:53:03,486 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2023-11-12 00:53:03,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2023-11-12 00:53:03,486 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2023-11-12 00:53:03,486 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2023-11-12 00:53:03,486 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2023-11-12 00:53:03,486 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2023-11-12 00:53:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2023-11-12 00:53:03,487 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2023-11-12 00:53:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2023-11-12 00:53:03,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2023-11-12 00:53:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_89 [2023-11-12 00:53:03,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_89 [2023-11-12 00:53:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2023-11-12 00:53:03,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2023-11-12 00:53:03,488 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-12 00:53:03,488 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-12 00:53:03,488 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-12 00:53:03,488 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-12 00:53:03,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:53:03,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:53:03,488 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-12 00:53:03,488 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-12 00:53:03,489 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2023-11-12 00:53:03,489 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2023-11-12 00:53:03,489 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2023-11-12 00:53:03,489 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2023-11-12 00:53:03,489 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2023-11-12 00:53:03,489 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2023-11-12 00:53:03,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-11-12 00:53:03,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-11-12 00:53:03,490 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 00:53:03,490 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 00:53:03,490 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-12 00:53:03,490 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-12 00:53:03,490 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 00:53:03,490 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 00:53:03,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:53:03,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:53:03,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:53:03,491 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2023-11-12 00:53:03,491 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2023-11-12 00:53:03,491 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2023-11-12 00:53:03,491 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2023-11-12 00:53:04,681 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:53:04,686 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:53:04,966 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:53:17,559 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:53:18,179 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:53:24,934 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:53:24,935 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-12 00:53:24,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:24 BoogieIcfgContainer [2023-11-12 00:53:24,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:53:24,945 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:53:24,945 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:53:24,949 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:53:24,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:52:55" (1/3) ... [2023-11-12 00:53:24,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60112fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:24, skipping insertion in model container [2023-11-12 00:53:24,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (2/3) ... [2023-11-12 00:53:24,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60112fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:24, skipping insertion in model container [2023-11-12 00:53:24,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:24" (3/3) ... [2023-11-12 00:53:24,952 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2023-11-12 00:53:24,974 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:53:24,974 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 00:53:25,081 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:53:25,088 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;@1e48f82a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:53:25,089 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 00:53:25,104 INFO L276 IsEmpty]: Start isEmpty. Operand has 2460 states, 1398 states have (on average 1.2610872675250357) internal successors, (1763), 1441 states have internal predecessors, (1763), 890 states have call successors, (890), 173 states have call predecessors, (890), 172 states have return successors, (881), 867 states have call predecessors, (881), 881 states have call successors, (881) [2023-11-12 00:53:25,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-12 00:53:25,134 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:25,135 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:53:25,136 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)] === [2023-11-12 00:53:25,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:25,142 INFO L85 PathProgramCache]: Analyzing trace with hash -575735629, now seen corresponding path program 1 times [2023-11-12 00:53:25,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:53:25,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607807862] [2023-11-12 00:53:25,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:25,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:53:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:26,681 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2023-11-12 00:53:26,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:53:26,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607807862] [2023-11-12 00:53:26,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607807862] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:53:26,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:53:26,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:53:26,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637340209] [2023-11-12 00:53:26,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:53:26,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:53:26,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:53:26,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:53:26,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:53:26,752 INFO L87 Difference]: Start difference. First operand has 2460 states, 1398 states have (on average 1.2610872675250357) internal successors, (1763), 1441 states have internal predecessors, (1763), 890 states have call successors, (890), 173 states have call predecessors, (890), 172 states have return successors, (881), 867 states have call predecessors, (881), 881 states have call successors, (881) 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, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-12 00:53:29,485 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 [] [2023-11-12 00:53:31,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:35,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:37,774 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 [] [2023-11-12 00:53:38,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:53:38,413 INFO L93 Difference]: Finished difference Result 7178 states and 10612 transitions. [2023-11-12 00:53:38,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:53:38,416 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, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 181 [2023-11-12 00:53:38,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:53:38,488 INFO L225 Difference]: With dead ends: 7178 [2023-11-12 00:53:38,488 INFO L226 Difference]: Without dead ends: 4738 [2023-11-12 00:53:38,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:53:38,521 INFO L413 NwaCegarLoop]: 3007 mSDtfsCounter, 3339 mSDsluCounter, 2963 mSDsCounter, 0 mSdLazyCounter, 983 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3339 SdHoareTripleChecker+Valid, 5970 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 983 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:53:38,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3339 Valid, 5970 Invalid, 992 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 983 Invalid, 2 Unknown, 0 Unchecked, 11.1s Time] [2023-11-12 00:53:38,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4738 states. [2023-11-12 00:53:38,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4738 to 4734. [2023-11-12 00:53:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4734 states, 2706 states have (on average 1.253880266075388) internal successors, (3393), 2781 states have internal predecessors, (3393), 1687 states have call successors, (1687), 339 states have call predecessors, (1687), 338 states have return successors, (1683), 1663 states have call predecessors, (1683), 1683 states have call successors, (1683) [2023-11-12 00:53:39,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4734 states to 4734 states and 6763 transitions. [2023-11-12 00:53:39,043 INFO L78 Accepts]: Start accepts. Automaton has 4734 states and 6763 transitions. Word has length 181 [2023-11-12 00:53:39,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:53:39,044 INFO L495 AbstractCegarLoop]: Abstraction has 4734 states and 6763 transitions. [2023-11-12 00:53:39,045 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, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-12 00:53:39,045 INFO L276 IsEmpty]: Start isEmpty. Operand 4734 states and 6763 transitions. [2023-11-12 00:53:39,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-12 00:53:39,051 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:39,051 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:53:39,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:53:39,052 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)] === [2023-11-12 00:53:39,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:39,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1421121739, now seen corresponding path program 1 times [2023-11-12 00:53:39,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:53:39,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124632337] [2023-11-12 00:53:39,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:39,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:53:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:40,164 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2023-11-12 00:53:40,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:53:40,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124632337] [2023-11-12 00:53:40,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124632337] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:53:40,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:53:40,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:53:40,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038686347] [2023-11-12 00:53:40,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:53:40,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:53:40,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:53:40,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:53:40,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:53:40,170 INFO L87 Difference]: Start difference. First operand 4734 states and 6763 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19)