./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287f671e-a576-4256-b859-69be1a99311c/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287f671e-a576-4256-b859-69be1a99311c/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287f671e-a576-4256-b859-69be1a99311c/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287f671e-a576-4256-b859-69be1a99311c/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287f671e-a576-4256-b859-69be1a99311c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287f671e-a576-4256-b859-69be1a99311c/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4295d1eb99eb4c4e306792d8730363a971cf6332e7c089b8c1be6cbddd5edcb9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:09:23,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:09:23,852 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287f671e-a576-4256-b859-69be1a99311c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:09:23,858 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:09:23,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:09:23,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:09:23,890 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:09:23,891 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:09:23,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:09:23,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:09:23,893 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:09:23,894 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:09:23,894 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:09:23,895 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:09:23,896 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:09:23,896 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:09:23,897 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:09:23,897 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:09:23,898 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:09:23,899 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:09:23,899 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:09:23,900 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:09:23,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:09:23,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:09:23,902 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:09:23,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:09:23,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:09:23,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:09:23,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:09:23,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:09:23,905 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:09:23,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:09:23,906 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:09:23,907 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:09:23,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:23,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:09:23,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:09:23,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:09:23,909 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:09:23,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:09:23,910 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:09:23,911 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:09:23,911 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:09:23,911 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:09:23,912 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_287f671e-a576-4256-b859-69be1a99311c/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287f671e-a576-4256-b859-69be1a99311c/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4295d1eb99eb4c4e306792d8730363a971cf6332e7c089b8c1be6cbddd5edcb9 [2023-11-23 21:09:24,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:09:24,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:09:24,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:09:24,235 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:09:24,236 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:09:24,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287f671e-a576-4256-b859-69be1a99311c/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-23 21:09:27,391 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:09:28,240 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:09:28,241 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287f671e-a576-4256-b859-69be1a99311c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-23 21:09:28,328 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287f671e-a576-4256-b859-69be1a99311c/bin/utaipan-verify-mE87zJ7Ire/data/92aec8892/5bcb063f08504ee9a918bd84132054e8/FLAG0260e6d4d [2023-11-23 21:09:28,346 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287f671e-a576-4256-b859-69be1a99311c/bin/utaipan-verify-mE87zJ7Ire/data/92aec8892/5bcb063f08504ee9a918bd84132054e8 [2023-11-23 21:09:28,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:09:28,355 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:09:28,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:28,359 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:09:28,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:09:28,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:28" (1/1) ... [2023-11-23 21:09:28,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ecdbe15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:28, skipping insertion in model container [2023-11-23 21:09:28,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:28" (1/1) ... [2023-11-23 21:09:28,678 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:09:33,785 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_287f671e-a576-4256-b859-69be1a99311c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[487689,487702] [2023-11-23 21:09:33,790 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_287f671e-a576-4256-b859-69be1a99311c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[487834,487847] [2023-11-23 21:09:33,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:33,913 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:09:34,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6260] [2023-11-23 21:09:34,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6267] [2023-11-23 21:09:34,085 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"); [6920] [2023-11-23 21:09:34,085 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)); [6927] [2023-11-23 21:09:34,086 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6934] [2023-11-23 21:09:34,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [8034-8035] [2023-11-23 21:09:34,113 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)); [8076-8077] [2023-11-23 21:09:34,114 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"); [8082-8084] [2023-11-23 21:09:34,115 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; incl %0": "+m" (v->counter)); [8104] [2023-11-23 21:09:34,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8201] [2023-11-23 21:09:34,119 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/mm.h"), "i" (488), "i" (12UL)); [8258-8259] [2023-11-23 21:09:34,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1,%0\n adcl $0xffff,%0": "=r" (sum): "r" (sum << 16), "0" (sum & 4294901760U)); [8291] [2023-11-23 21:09:34,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1, %0\n adcl %2, %0\n adcl %3, %0\n adcl $0, %0\n": "=r" (sum): "g" (daddr), "g" (saddr), "g" (((int )len + (int )proto) << 8), "0" (sum)); [8299-8300] [2023-11-23 21:09:34,124 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)); [8375-8376] [2023-11-23 21:09:34,126 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)); [8409-8410] [2023-11-23 21:09:34,127 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)); [8450-8451] [2023-11-23 21:09:34,128 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" (91), "i" (12UL)); [8479-8480] [2023-11-23 21:09:34,140 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)); [8924-8925] [2023-11-23 21:09:34,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8931] [2023-11-23 21:09:34,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9541] [2023-11-23 21:09:34,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9588] [2023-11-23 21:09:34,165 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9600] [2023-11-23 21:09:34,168 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)next_rxd) [9661] [2023-11-23 21:09:34,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10272] [2023-11-23 21:09:34,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [11911] [2023-11-23 21:09:34,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/intel/igbvf/netdev.c"), "i" (2086), "i" (12UL)); [11955-11956] [2023-11-23 21:09:34,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/intel/igbvf/netdev.c"), "i" (2109), "i" (12UL)); [11991-11992] [2023-11-23 21:09:34,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12106] [2023-11-23 21:09:34,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12110] [2023-11-23 21:09:34,475 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_287f671e-a576-4256-b859-69be1a99311c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[487689,487702] [2023-11-23 21:09:34,476 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_287f671e-a576-4256-b859-69be1a99311c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[487834,487847] [2023-11-23 21:09:34,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:34,980 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:09:34,980 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:09:34,988 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:09:34,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:34 WrapperNode [2023-11-23 21:09:34,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:34,991 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:09:34,991 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:09:34,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:09:34,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:34" (1/1) ... [2023-11-23 21:09:35,151 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:34" (1/1) ... [2023-11-23 21:09:35,510 INFO L138 Inliner]: procedures = 639, calls = 3666, calls flagged for inlining = 316, calls inlined = 281, statements flattened = 9057 [2023-11-23 21:09:35,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:09:35,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:09:35,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:09:35,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:09:35,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:34" (1/1) ... [2023-11-23 21:09:35,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:34" (1/1) ... [2023-11-23 21:09:35,620 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:34" (1/1) ... [2023-11-23 21:09:35,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:34" (1/1) ... [2023-11-23 21:09:35,890 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:34" (1/1) ... [2023-11-23 21:09:35,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:34" (1/1) ... [2023-11-23 21:09:35,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:34" (1/1) ... [2023-11-23 21:09:36,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:34" (1/1) ... [2023-11-23 21:09:36,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:09:36,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:09:36,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:09:36,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:09:36,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:34" (1/1) ... [2023-11-23 21:09:36,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:36,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287f671e-a576-4256-b859-69be1a99311c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:09:36,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287f671e-a576-4256-b859-69be1a99311c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:09:36,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287f671e-a576-4256-b859-69be1a99311c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:09:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2023-11-23 21:09:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2023-11-23 21:09:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 21:09:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 21:09:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:09:36,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:09:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-11-23 21:09:36,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-11-23 21:09:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:09:36,158 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:09:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:09:36,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:09:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-23 21:09:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-23 21:09:36,159 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2023-11-23 21:09:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2023-11-23 21:09:36,159 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2023-11-23 21:09:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2023-11-23 21:09:36,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-23 21:09:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-23 21:09:36,159 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:09:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:09:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 21:09:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 21:09:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2023-11-23 21:09:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2023-11-23 21:09:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-23 21:09:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-23 21:09:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2023-11-23 21:09:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2023-11-23 21:09:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2023-11-23 21:09:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2023-11-23 21:09:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:09:36,163 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:09:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:09:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2023-11-23 21:09:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2023-11-23 21:09:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2023-11-23 21:09:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2023-11-23 21:09:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:09:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:09:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:09:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:09:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:09:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:09:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-23 21:09:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-23 21:09:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2023-11-23 21:09:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2023-11-23 21:09:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:09:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:09:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-23 21:09:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-23 21:09:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2023-11-23 21:09:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2023-11-23 21:09:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:09:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-23 21:09:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-23 21:09:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-23 21:09:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-23 21:09:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-23 21:09:36,289 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-23 21:09:36,289 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-11-23 21:09:36,289 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-11-23 21:09:36,289 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:09:36,289 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:09:36,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:09:36,289 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2023-11-23 21:09:36,289 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2023-11-23 21:09:36,289 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:09:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:09:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:09:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:09:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:09:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2023-11-23 21:09:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2023-11-23 21:09:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:09:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:09:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 21:09:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 21:09:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:09:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2023-11-23 21:09:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2023-11-23 21:09:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:09:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:09:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-23 21:09:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-23 21:09:36,292 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2023-11-23 21:09:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2023-11-23 21:09:36,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:09:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:09:36,292 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2023-11-23 21:09:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2023-11-23 21:09:36,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 21:09:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 21:09:36,292 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2023-11-23 21:09:36,293 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2023-11-23 21:09:36,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2023-11-23 21:09:36,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2023-11-23 21:09:36,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:09:36,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:09:36,293 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2023-11-23 21:09:36,293 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2023-11-23 21:09:36,293 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2023-11-23 21:09:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2023-11-23 21:09:36,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:09:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:09:36,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 21:09:36,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 21:09:36,295 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-23 21:09:36,295 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-23 21:09:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:09:36,296 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:09:36,297 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2023-11-23 21:09:36,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2023-11-23 21:09:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-23 21:09:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-23 21:09:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:09:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:09:36,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:09:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:09:36,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:09:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-11-23 21:09:36,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-11-23 21:09:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-23 21:09:36,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-23 21:09:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-23 21:09:36,307 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-23 21:09:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2023-11-23 21:09:36,307 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2023-11-23 21:09:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:09:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2023-11-23 21:09:36,307 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2023-11-23 21:09:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-23 21:09:36,308 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-23 21:09:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:09:36,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:09:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:09:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:09:36,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:09:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-23 21:09:36,308 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-23 21:09:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2023-11-23 21:09:36,308 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2023-11-23 21:09:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2023-11-23 21:09:36,309 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2023-11-23 21:09:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-23 21:09:36,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-23 21:09:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-23 21:09:36,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-23 21:09:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2023-11-23 21:09:36,309 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2023-11-23 21:09:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 21:09:36,310 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 21:09:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2023-11-23 21:09:36,310 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2023-11-23 21:09:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-23 21:09:36,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-23 21:09:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-23 21:09:36,310 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-23 21:09:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2023-11-23 21:09:36,310 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2023-11-23 21:09:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:09:36,311 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:09:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 21:09:36,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 21:09:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2023-11-23 21:09:36,311 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2023-11-23 21:09:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2023-11-23 21:09:36,311 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2023-11-23 21:09:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:09:36,312 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:09:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-23 21:09:36,312 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-23 21:09:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2023-11-23 21:09:36,312 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2023-11-23 21:09:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2023-11-23 21:09:36,312 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2023-11-23 21:09:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:09:36,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:09:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2023-11-23 21:09:36,313 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2023-11-23 21:09:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2023-11-23 21:09:36,313 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2023-11-23 21:09:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:09:36,313 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:09:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:09:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:09:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:09:36,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:09:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-23 21:09:36,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-23 21:09:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2023-11-23 21:09:36,314 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2023-11-23 21:09:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-23 21:09:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-23 21:09:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-23 21:09:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-23 21:09:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-23 21:09:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-23 21:09:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2023-11-23 21:09:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2023-11-23 21:09:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 21:09:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 21:09:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2023-11-23 21:09:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2023-11-23 21:09:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2023-11-23 21:09:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2023-11-23 21:09:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2023-11-23 21:09:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2023-11-23 21:09:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-23 21:09:36,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-23 21:09:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2023-11-23 21:09:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2023-11-23 21:09:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 21:09:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 21:09:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:09:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:09:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-23 21:09:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-23 21:09:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:09:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:09:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2023-11-23 21:09:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2023-11-23 21:09:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2023-11-23 21:09:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2023-11-23 21:09:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-23 21:09:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-23 21:09:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-23 21:09:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-23 21:09:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-23 21:09:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-23 21:09:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:09:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:09:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:09:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2023-11-23 21:09:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2023-11-23 21:09:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-23 21:09:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-23 21:09:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-23 21:09:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-23 21:09:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2023-11-23 21:09:36,326 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2023-11-23 21:09:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:09:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2023-11-23 21:09:36,326 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2023-11-23 21:09:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2023-11-23 21:09:36,327 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2023-11-23 21:09:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2023-11-23 21:09:36,327 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2023-11-23 21:09:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-23 21:09:36,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-23 21:09:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2023-11-23 21:09:36,330 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2023-11-23 21:09:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-23 21:09:36,330 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-23 21:09:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:09:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:09:36,330 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:09:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:09:36,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:09:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2023-11-23 21:09:36,330 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2023-11-23 21:09:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:09:36,331 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:09:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-23 21:09:36,331 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-23 21:09:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:09:36,331 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:09:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-23 21:09:36,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-23 21:09:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2023-11-23 21:09:36,331 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2023-11-23 21:09:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2023-11-23 21:09:36,332 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2023-11-23 21:09:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:09:36,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:09:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-23 21:09:36,332 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-23 21:09:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:09:36,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:09:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2023-11-23 21:09:36,332 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2023-11-23 21:09:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2023-11-23 21:09:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2023-11-23 21:09:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2023-11-23 21:09:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2023-11-23 21:09:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-23 21:09:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-23 21:09:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-11-23 21:09:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-11-23 21:09:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:09:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:09:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-23 21:09:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-23 21:09:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2023-11-23 21:09:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2023-11-23 21:09:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:09:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:09:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-23 21:09:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-23 21:09:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2023-11-23 21:09:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2023-11-23 21:09:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:09:36,335 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:09:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2023-11-23 21:09:36,335 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2023-11-23 21:09:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:09:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2023-11-23 21:09:36,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2023-11-23 21:09:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:09:36,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:09:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-23 21:09:36,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-23 21:09:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2023-11-23 21:09:36,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2023-11-23 21:09:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-23 21:09:36,336 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-23 21:09:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-23 21:09:36,336 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-23 21:09:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2023-11-23 21:09:36,337 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2023-11-23 21:09:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2023-11-23 21:09:36,337 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2023-11-23 21:09:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2023-11-23 21:09:36,337 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2023-11-23 21:09:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2023-11-23 21:09:36,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2023-11-23 21:09:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2023-11-23 21:09:36,338 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2023-11-23 21:09:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:09:36,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:09:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2023-11-23 21:09:36,338 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2023-11-23 21:09:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-23 21:09:36,338 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-23 21:09:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-23 21:09:36,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-23 21:09:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2023-11-23 21:09:36,339 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2023-11-23 21:09:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-11-23 21:09:36,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-11-23 21:09:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-23 21:09:36,339 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-23 21:09:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2023-11-23 21:09:36,339 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2023-11-23 21:09:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 21:09:36,339 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 21:09:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:09:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-23 21:09:36,340 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-23 21:09:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:09:36,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:09:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-23 21:09:37,525 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:09:37,530 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:09:37,929 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:09:46,045 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:09:46,395 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:09:51,383 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:09:51,383 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:09:51,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:51 BoogieIcfgContainer [2023-11-23 21:09:51,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:09:51,389 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:09:51,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:09:51,392 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:09:51,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:09:28" (1/3) ... [2023-11-23 21:09:51,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d97c94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:09:51, skipping insertion in model container [2023-11-23 21:09:51,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:34" (2/3) ... [2023-11-23 21:09:51,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d97c94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:09:51, skipping insertion in model container [2023-11-23 21:09:51,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:51" (3/3) ... [2023-11-23 21:09:51,395 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-23 21:09:51,416 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:09:51,416 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 21:09:51,514 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:09:51,521 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;@5d2a3674, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:09:51,521 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 21:09:51,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 2370 states, 1388 states have (on average 1.271613832853026) internal successors, (1765), 1430 states have internal predecessors, (1765), 813 states have call successors, (813), 168 states have call predecessors, (813), 167 states have return successors, (805), 791 states have call predecessors, (805), 805 states have call successors, (805) [2023-11-23 21:09:51,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-11-23 21:09:51,581 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:09:51,582 INFO L195 NwaCegarLoop]: trace histogram [25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:09:51,582 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:09:51,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:09:51,588 INFO L85 PathProgramCache]: Analyzing trace with hash -991764771, now seen corresponding path program 1 times [2023-11-23 21:09:51,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:09:51,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221594794] [2023-11-23 21:09:51,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:09:51,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:09:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:09:52,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2023-11-23 21:09:52,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:09:52,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221594794] [2023-11-23 21:09:52,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221594794] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:09:52,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:09:52,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:09:52,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364301801] [2023-11-23 21:09:52,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:09:52,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:09:52,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:09:52,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:09:52,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:09:52,990 INFO L87 Difference]: Start difference. First operand has 2370 states, 1388 states have (on average 1.271613832853026) internal successors, (1765), 1430 states have internal predecessors, (1765), 813 states have call successors, (813), 168 states have call predecessors, (813), 167 states have return successors, (805), 791 states have call predecessors, (805), 805 states have call successors, (805) Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-23 21:09:57,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:10:00,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:00,900 INFO L93 Difference]: Finished difference Result 6309 states and 9041 transitions. [2023-11-23 21:10:00,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:10:00,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 282 [2023-11-23 21:10:00,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:00,957 INFO L225 Difference]: With dead ends: 6309 [2023-11-23 21:10:00,957 INFO L226 Difference]: Without dead ends: 3921 [2023-11-23 21:10:00,980 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 [2023-11-23 21:10:00,984 INFO L413 NwaCegarLoop]: 3028 mSDtfsCounter, 2276 mSDsluCounter, 2854 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2276 SdHoareTripleChecker+Valid, 5882 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:00,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2276 Valid, 5882 Invalid, 1035 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2023-11-23 21:10:01,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3921 states. [2023-11-23 21:10:01,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3921 to 3916. [2023-11-23 21:10:01,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3916 states, 2344 states have (on average 1.2674914675767919) internal successors, (2971), 2400 states have internal predecessors, (2971), 1279 states have call successors, (1279), 291 states have call predecessors, (1279), 291 states have return successors, (1279), 1260 states have call predecessors, (1279), 1279 states have call successors, (1279) [2023-11-23 21:10:01,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3916 states to 3916 states and 5529 transitions. [2023-11-23 21:10:01,408 INFO L78 Accepts]: Start accepts. Automaton has 3916 states and 5529 transitions. Word has length 282 [2023-11-23 21:10:01,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:01,414 INFO L495 AbstractCegarLoop]: Abstraction has 3916 states and 5529 transitions. [2023-11-23 21:10:01,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-23 21:10:01,414 INFO L276 IsEmpty]: Start isEmpty. Operand 3916 states and 5529 transitions. [2023-11-23 21:10:01,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-11-23 21:10:01,430 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:01,431 INFO L195 NwaCegarLoop]: trace histogram [25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:01,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:10:01,432 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:01,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:01,433 INFO L85 PathProgramCache]: Analyzing trace with hash -166674648, now seen corresponding path program 1 times [2023-11-23 21:10:01,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:10:01,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514420990] [2023-11-23 21:10:01,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:01,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:10:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:01,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2023-11-23 21:10:01,990 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:10:01,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514420990] [2023-11-23 21:10:01,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514420990] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:01,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:01,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:10:01,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876015646] [2023-11-23 21:10:01,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:01,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:10:01,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:10:01,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:10:02,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:02,000 INFO L87 Difference]: Start difference. First operand 3916 states and 5529 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-23 21:10:05,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:10:08,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:10:11,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []