./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-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_6d7dc4af-0f75-4212-bafe-15d29d294c69/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7dc4af-0f75-4212-bafe-15d29d294c69/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_6d7dc4af-0f75-4212-bafe-15d29d294c69/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7dc4af-0f75-4212-bafe-15d29d294c69/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7dc4af-0f75-4212-bafe-15d29d294c69/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_6d7dc4af-0f75-4212-bafe-15d29d294c69/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 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:52:16,129 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:52:16,260 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7dc4af-0f75-4212-bafe-15d29d294c69/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:52:16,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:52:16,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:52:16,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:52:16,311 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:52:16,312 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:52:16,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:52:16,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:52:16,318 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:52:16,318 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:52:16,319 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:52:16,321 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:52:16,321 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:52:16,321 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:52:16,322 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:52:16,322 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:52:16,323 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:52:16,323 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:52:16,324 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:52:16,324 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:52:16,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:52:16,326 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:52:16,326 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:52:16,327 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:52:16,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:52:16,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:52:16,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:52:16,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:52:16,330 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:52:16,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:52:16,330 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:52:16,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:52:16,331 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:52:16,331 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:52:16,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:52:16,332 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:52:16,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:52:16,332 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:52:16,333 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:52:16,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:52:16,333 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_6d7dc4af-0f75-4212-bafe-15d29d294c69/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7dc4af-0f75-4212-bafe-15d29d294c69/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 [2023-11-12 00:52:16,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:52:16,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:52:16,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:52:16,688 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:52:16,688 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:52:16,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7dc4af-0f75-4212-bafe-15d29d294c69/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2023-11-12 00:52:19,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:52:20,666 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:52:20,667 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7dc4af-0f75-4212-bafe-15d29d294c69/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2023-11-12 00:52:20,734 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7dc4af-0f75-4212-bafe-15d29d294c69/bin/utaipan-verify-NcY6lQBIFX/data/3797225ff/749ffa28d020413f989a5357158ef985/FLAG688197c29 [2023-11-12 00:52:20,775 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7dc4af-0f75-4212-bafe-15d29d294c69/bin/utaipan-verify-NcY6lQBIFX/data/3797225ff/749ffa28d020413f989a5357158ef985 [2023-11-12 00:52:20,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:52:20,783 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:52:20,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:52:20,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:52:20,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:52:20,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:20" (1/1) ... [2023-11-12 00:52:20,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc4960d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:20, skipping insertion in model container [2023-11-12 00:52:20,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:20" (1/1) ... [2023-11-12 00:52:20,994 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:52:26,019 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_6d7dc4af-0f75-4212-bafe-15d29d294c69/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2023-11-12 00:52:26,024 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_6d7dc4af-0f75-4212-bafe-15d29d294c69/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2023-11-12 00:52:26,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:52:26,173 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:52:26,386 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"); [6125] [2023-11-12 00:52:26,389 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)); [6132] [2023-11-12 00:52:26,389 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6139] [2023-11-12 00:52:26,392 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/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6181-6182] [2023-11-12 00:52:26,393 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"); [6187-6189] [2023-11-12 00:52:26,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [6307] [2023-11-12 00:52:26,397 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6315] [2023-11-12 00:52:26,397 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [6322] [2023-11-12 00:52:26,397 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6329] [2023-11-12 00:52:26,398 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)); [6357-6358] [2023-11-12 00:52:26,404 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)); [6433-6434] [2023-11-12 00:52:26,407 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)); [6467-6468] [2023-11-12 00:52:26,409 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)); [6508-6509] [2023-11-12 00:52:26,415 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)); [6782-6783] [2023-11-12 00:52:26,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6789] [2023-11-12 00:52:26,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7005] [2023-11-12 00:52:26,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7045] [2023-11-12 00:52:26,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [7207] [2023-11-12 00:52:26,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [7210] [2023-11-12 00:52:26,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [7213] [2023-11-12 00:52:26,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [7216] [2023-11-12 00:52:26,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [7247] [2023-11-12 00:52:26,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [7250] [2023-11-12 00:52:26,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [7253] [2023-11-12 00:52:26,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [7256] [2023-11-12 00:52:26,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [7287] [2023-11-12 00:52:26,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [7290] [2023-11-12 00:52:26,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [7293] [2023-11-12 00:52:26,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [7296] [2023-11-12 00:52:26,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [7327] [2023-11-12 00:52:26,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [7330] [2023-11-12 00:52:26,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [7333] [2023-11-12 00:52:26,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [7336] [2023-11-12 00:52:26,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7746] [2023-11-12 00:52:26,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9178] [2023-11-12 00:52:26,821 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_6d7dc4af-0f75-4212-bafe-15d29d294c69/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2023-11-12 00:52:26,822 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_6d7dc4af-0f75-4212-bafe-15d29d294c69/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2023-11-12 00:52:26,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:52:27,246 WARN L672 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:27,246 WARN L672 CHandler]: The function __bad_unaligned_access_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:27,246 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:52:27,254 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:52:27,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:27 WrapperNode [2023-11-12 00:52:27,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:52:27,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:52:27,256 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:52:27,256 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:52:27,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:27" (1/1) ... [2023-11-12 00:52:27,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:27" (1/1) ... [2023-11-12 00:52:27,694 INFO L138 Inliner]: procedures = 667, calls = 4477, calls flagged for inlining = 329, calls inlined = 294, statements flattened = 9722 [2023-11-12 00:52:27,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:52:27,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:52:27,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:52:27,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:52:27,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:27" (1/1) ... [2023-11-12 00:52:27,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:27" (1/1) ... [2023-11-12 00:52:27,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:27" (1/1) ... [2023-11-12 00:52:27,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:27" (1/1) ... [2023-11-12 00:52:28,041 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:27" (1/1) ... [2023-11-12 00:52:28,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:27" (1/1) ... [2023-11-12 00:52:28,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:27" (1/1) ... [2023-11-12 00:52:28,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:27" (1/1) ... [2023-11-12 00:52:28,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:52:28,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:52:28,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:52:28,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:52:28,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:27" (1/1) ... [2023-11-12 00:52:28,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:52:28,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7dc4af-0f75-4212-bafe-15d29d294c69/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:52:28,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7dc4af-0f75-4212-bafe-15d29d294c69/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:52:28,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7dc4af-0f75-4212-bafe-15d29d294c69/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:52:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-11-12 00:52:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-11-12 00:52:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:52:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:52:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-11-12 00:52:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-11-12 00:52:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:52:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:52:28,431 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2023-11-12 00:52:28,431 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2023-11-12 00:52:28,431 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2023-11-12 00:52:28,431 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2023-11-12 00:52:28,431 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2023-11-12 00:52:28,431 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2023-11-12 00:52:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2023-11-12 00:52:28,432 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2023-11-12 00:52:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2023-11-12 00:52:28,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2023-11-12 00:52:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-12 00:52:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-12 00:52:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2023-11-12 00:52:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2023-11-12 00:52:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:52:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:52:28,434 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 00:52:28,434 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 00:52:28,434 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2023-11-12 00:52:28,434 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2023-11-12 00:52:28,434 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2023-11-12 00:52:28,434 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2023-11-12 00:52:28,435 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2023-11-12 00:52:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2023-11-12 00:52:28,435 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:52:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:52:28,435 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2023-11-12 00:52:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2023-11-12 00:52:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2023-11-12 00:52:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2023-11-12 00:52:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:52:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:52:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:52:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:52:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 00:52:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 00:52:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:52:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:52:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2023-11-12 00:52:28,438 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2023-11-12 00:52:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2023-11-12 00:52:28,438 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2023-11-12 00:52:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:52:28,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:52:28,439 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2023-11-12 00:52:28,439 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2023-11-12 00:52:28,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-12 00:52:28,439 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-12 00:52:28,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:52:28,440 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 00:52:28,440 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 00:52:28,440 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2023-11-12 00:52:28,440 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2023-11-12 00:52:28,440 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-12 00:52:28,440 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-12 00:52:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-11-12 00:52:28,441 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-11-12 00:52:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2023-11-12 00:52:28,441 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2023-11-12 00:52:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2023-11-12 00:52:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2023-11-12 00:52:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2023-11-12 00:52:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:52:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:52:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-12 00:52:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-12 00:52:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 00:52:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 00:52:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2023-11-12 00:52:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2023-11-12 00:52:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:52:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2023-11-12 00:52:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2023-11-12 00:52:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2023-11-12 00:52:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2023-11-12 00:52:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:52:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:52:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2023-11-12 00:52:28,445 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2023-11-12 00:52:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 00:52:28,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 00:52:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:52:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2023-11-12 00:52:28,446 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2023-11-12 00:52:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:52:28,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:52:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-12 00:52:28,446 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-12 00:52:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:52:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:52:28,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:52:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-12 00:52:28,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-12 00:52:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:52:28,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:52:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:52:28,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:52:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2023-11-12 00:52:28,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2023-11-12 00:52:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2023-11-12 00:52:28,449 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2023-11-12 00:52:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:52:28,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:52:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:52:28,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:52:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 00:52:28,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 00:52:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2023-11-12 00:52:28,450 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2023-11-12 00:52:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2023-11-12 00:52:28,450 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2023-11-12 00:52:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 00:52:28,451 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 00:52:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:52:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:52:28,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:52:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-11-12 00:52:28,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-11-12 00:52:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-12 00:52:28,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-12 00:52:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-12 00:52:28,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-12 00:52:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2023-11-12 00:52:28,453 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2023-11-12 00:52:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-12 00:52:28,453 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-12 00:52:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2023-11-12 00:52:28,453 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2023-11-12 00:52:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:52:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-12 00:52:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-12 00:52:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:52:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:52:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:52:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:52:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:52:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 00:52:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2023-11-12 00:52:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2023-11-12 00:52:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2023-11-12 00:52:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2023-11-12 00:52:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2023-11-12 00:52:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2023-11-12 00:52:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:52:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:52:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:52:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:52:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-12 00:52:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-12 00:52:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-12 00:52:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-12 00:52:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2023-11-12 00:52:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2023-11-12 00:52:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2023-11-12 00:52:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2023-11-12 00:52:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2023-11-12 00:52:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2023-11-12 00:52:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2023-11-12 00:52:28,459 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2023-11-12 00:52:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2023-11-12 00:52:28,459 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2023-11-12 00:52:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 00:52:28,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 00:52:28,460 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-12 00:52:28,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-12 00:52:28,460 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-12 00:52:28,460 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-12 00:52:28,460 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:52:28,460 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:52:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2023-11-12 00:52:28,461 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2023-11-12 00:52:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:52:28,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:52:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2023-11-12 00:52:28,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2023-11-12 00:52:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2023-11-12 00:52:28,462 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2023-11-12 00:52:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:52:28,462 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:52:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2023-11-12 00:52:28,462 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2023-11-12 00:52:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:52:28,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:52:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-12 00:52:28,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-12 00:52:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2023-11-12 00:52:28,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2023-11-12 00:52:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:52:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:52:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:52:28,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:52:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2023-11-12 00:52:28,464 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2023-11-12 00:52:28,465 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 00:52:28,465 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 00:52:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-12 00:52:28,465 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-12 00:52:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 00:52:28,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 00:52:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-12 00:52:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2023-11-12 00:52:28,466 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2023-11-12 00:52:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-12 00:52:28,466 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-12 00:52:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-12 00:52:28,467 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-12 00:52:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2023-11-12 00:52:28,467 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2023-11-12 00:52:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:52:28,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:52:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2023-11-12 00:52:28,468 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2023-11-12 00:52:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2023-11-12 00:52:28,468 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2023-11-12 00:52:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:52:28,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:52:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2023-11-12 00:52:28,469 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2023-11-12 00:52:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2023-11-12 00:52:28,469 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2023-11-12 00:52:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-12 00:52:28,469 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-12 00:52:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:52:28,469 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:52:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-11-12 00:52:28,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-11-12 00:52:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-11-12 00:52:28,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-11-12 00:52:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-12 00:52:28,471 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-12 00:52:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 00:52:28,471 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 00:52:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:52:28,472 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:52:28,472 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:52:28,472 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2023-11-12 00:52:28,472 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2023-11-12 00:52:28,472 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2023-11-12 00:52:28,472 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2023-11-12 00:52:28,473 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-12 00:52:28,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-12 00:52:28,473 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2023-11-12 00:52:28,473 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2023-11-12 00:52:28,473 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:52:28,473 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:52:28,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:52:28,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2023-11-12 00:52:28,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2023-11-12 00:52:28,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_105 [2023-11-12 00:52:28,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_105 [2023-11-12 00:52:28,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:52:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2023-11-12 00:52:28,475 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2023-11-12 00:52:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:52:28,475 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:52:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:52:28,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:52:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-12 00:52:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-11-12 00:52:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 00:52:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 00:52:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2023-11-12 00:52:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2023-11-12 00:52:28,477 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-12 00:52:28,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-12 00:52:28,477 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-12 00:52:28,477 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-12 00:52:28,477 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-12 00:52:28,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-12 00:52:28,478 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:52:28,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:52:28,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-12 00:52:28,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-12 00:52:28,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:52:28,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:52:28,479 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-12 00:52:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-12 00:52:28,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2023-11-12 00:52:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2023-11-12 00:52:28,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 00:52:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 00:52:28,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2023-11-12 00:52:28,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2023-11-12 00:52:28,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2023-11-12 00:52:28,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2023-11-12 00:52:28,480 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 00:52:28,480 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 00:52:28,480 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:52:28,481 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:52:28,481 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2023-11-12 00:52:28,481 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2023-11-12 00:52:28,481 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:52:28,481 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:52:28,481 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2023-11-12 00:52:28,482 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2023-11-12 00:52:28,482 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:52:28,482 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:52:28,482 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2023-11-12 00:52:28,482 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2023-11-12 00:52:28,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:52:28,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:52:28,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:52:28,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2023-11-12 00:52:28,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2023-11-12 00:52:28,483 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2023-11-12 00:52:28,483 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2023-11-12 00:52:28,483 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 00:52:28,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 00:52:28,484 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2023-11-12 00:52:28,484 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2023-11-12 00:52:28,484 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2023-11-12 00:52:28,484 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2023-11-12 00:52:28,484 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2023-11-12 00:52:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2023-11-12 00:52:28,485 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 00:52:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 00:52:28,485 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2023-11-12 00:52:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2023-11-12 00:52:28,485 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 00:52:28,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 00:52:28,486 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2023-11-12 00:52:28,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2023-11-12 00:52:28,486 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2023-11-12 00:52:28,486 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2023-11-12 00:52:28,486 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2023-11-12 00:52:28,487 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2023-11-12 00:52:28,487 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2023-11-12 00:52:28,487 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2023-11-12 00:52:28,487 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2023-11-12 00:52:28,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2023-11-12 00:52:28,487 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2023-11-12 00:52:28,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2023-11-12 00:52:28,488 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-12 00:52:28,488 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-12 00:52:28,488 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-12 00:52:28,488 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-12 00:52:28,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:52:28,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:52:28,489 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-12 00:52:28,489 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-12 00:52:28,489 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2023-11-12 00:52:28,489 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2023-11-12 00:52:28,489 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2023-11-12 00:52:28,489 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2023-11-12 00:52:28,490 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2023-11-12 00:52:28,490 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2023-11-12 00:52:28,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-11-12 00:52:28,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-11-12 00:52:28,490 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 00:52:28,490 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 00:52:28,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-12 00:52:28,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-12 00:52:28,491 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 00:52:28,491 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 00:52:28,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2023-11-12 00:52:28,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2023-11-12 00:52:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:52:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:52:28,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:52:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2023-11-12 00:52:28,492 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2023-11-12 00:52:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2023-11-12 00:52:28,493 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2023-11-12 00:52:29,642 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:52:29,648 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:52:29,750 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:52:43,199 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:52:43,724 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:52:50,439 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:52:50,440 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-12 00:52:50,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:52:50 BoogieIcfgContainer [2023-11-12 00:52:50,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:52:50,450 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:52:50,450 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:52:50,453 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:52:50,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:52:20" (1/3) ... [2023-11-12 00:52:50,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f75d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:52:50, skipping insertion in model container [2023-11-12 00:52:50,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:27" (2/3) ... [2023-11-12 00:52:50,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f75d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:52:50, skipping insertion in model container [2023-11-12 00:52:50,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:52:50" (3/3) ... [2023-11-12 00:52:50,457 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2023-11-12 00:52:50,478 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:52:50,478 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:52:50,582 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:52:50,589 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;@64d96f89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:52:50,589 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:52:50,606 INFO L276 IsEmpty]: Start isEmpty. Operand has 2474 states, 1401 states have (on average 1.2576730906495361) internal successors, (1762), 1442 states have internal predecessors, (1762), 900 states have call successors, (900), 176 states have call predecessors, (900), 175 states have return successors, (891), 877 states have call predecessors, (891), 891 states have call successors, (891) [2023-11-12 00:52:50,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-11-12 00:52:50,666 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:50,666 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:52:50,667 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:50,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:50,672 INFO L85 PathProgramCache]: Analyzing trace with hash -2033647803, now seen corresponding path program 1 times [2023-11-12 00:52:50,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:52:50,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460542733] [2023-11-12 00:52:50,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:50,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:52:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:52,441 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 00:52:52,442 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:52:52,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460542733] [2023-11-12 00:52:52,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460542733] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:52:52,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:52:52,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:52:52,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113367433] [2023-11-12 00:52:52,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:52:52,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:52:52,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:52:52,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:52:52,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:52:52,514 INFO L87 Difference]: Start difference. First operand has 2474 states, 1401 states have (on average 1.2576730906495361) internal successors, (1762), 1442 states have internal predecessors, (1762), 900 states have call successors, (900), 176 states have call predecessors, (900), 175 states have return successors, (891), 877 states have call predecessors, (891), 891 states have call successors, (891) Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-12 00:52:55,361 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 00:53:01,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:03,274 WARN L539 Checker$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 00:53:03,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:53:03,825 INFO L93 Difference]: Finished difference Result 6904 states and 9982 transitions. [2023-11-12 00:53:03,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:53:03,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 203 [2023-11-12 00:53:03,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:53:03,906 INFO L225 Difference]: With dead ends: 6904 [2023-11-12 00:53:03,906 INFO L226 Difference]: Without dead ends: 4393 [2023-11-12 00:53:03,935 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 00:53:03,940 INFO L413 NwaCegarLoop]: 3017 mSDtfsCounter, 2865 mSDsluCounter, 2964 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 19 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2865 SdHoareTripleChecker+Valid, 5981 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:53:03,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2865 Valid, 5981 Invalid, 1058 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 1036 Invalid, 3 Unknown, 0 Unchecked, 10.7s Time] [2023-11-12 00:53:03,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4393 states. [2023-11-12 00:53:04,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4393 to 4390. [2023-11-12 00:53:04,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4390 states, 2516 states have (on average 1.2456279809220985) internal successors, (3134), 2581 states have internal predecessors, (3134), 1545 states have call successors, (1545), 328 states have call predecessors, (1545), 328 states have return successors, (1545), 1525 states have call predecessors, (1545), 1545 states have call successors, (1545) [2023-11-12 00:53:04,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4390 states to 4390 states and 6224 transitions. [2023-11-12 00:53:04,440 INFO L78 Accepts]: Start accepts. Automaton has 4390 states and 6224 transitions. Word has length 203 [2023-11-12 00:53:04,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:53:04,445 INFO L495 AbstractCegarLoop]: Abstraction has 4390 states and 6224 transitions. [2023-11-12 00:53:04,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-12 00:53:04,446 INFO L276 IsEmpty]: Start isEmpty. Operand 4390 states and 6224 transitions. [2023-11-12 00:53:04,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-12 00:53:04,461 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:04,462 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, 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 00:53:04,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:53:04,465 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:04,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:04,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1445039279, now seen corresponding path program 1 times [2023-11-12 00:53:04,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:53:04,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315211616] [2023-11-12 00:53:04,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:04,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:53:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:05,577 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 00:53:05,578 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:53:05,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315211616] [2023-11-12 00:53:05,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315211616] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:53:05,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:53:05,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:53:05,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517379148] [2023-11-12 00:53:05,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:53:05,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:53:05,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:53:05,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:53:05,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:53:05,584 INFO L87 Difference]: Start difference. First operand 4390 states and 6224 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20)