./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 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_e9033b59-92f1-403d-b6db-450198f61ff6/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9033b59-92f1-403d-b6db-450198f61ff6/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_e9033b59-92f1-403d-b6db-450198f61ff6/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9033b59-92f1-403d-b6db-450198f61ff6/bin/utaipan-verify-NcY6lQBIFX/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_e9033b59-92f1-403d-b6db-450198f61ff6/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_e9033b59-92f1-403d-b6db-450198f61ff6/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 4295d1eb99eb4c4e306792d8730363a971cf6332e7c089b8c1be6cbddd5edcb9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:47:38,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:47:39,099 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9033b59-92f1-403d-b6db-450198f61ff6/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:47:39,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:47:39,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:47:39,157 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:47:39,158 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:47:39,158 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:47:39,159 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:47:39,164 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:47:39,165 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:47:39,166 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:47:39,166 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:47:39,168 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:47:39,168 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:47:39,169 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:47:39,169 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:47:39,170 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:47:39,170 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:47:39,171 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:47:39,171 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:47:39,172 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:47:39,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:47:39,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:47:39,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:47:39,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:47:39,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:47:39,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:47:39,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:47:39,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:47:39,177 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:47:39,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:47:39,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:47:39,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:39,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:47:39,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:47:39,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:47:39,179 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:47:39,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:47:39,180 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:47:39,180 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:47:39,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:47:39,181 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_e9033b59-92f1-403d-b6db-450198f61ff6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9033b59-92f1-403d-b6db-450198f61ff6/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4295d1eb99eb4c4e306792d8730363a971cf6332e7c089b8c1be6cbddd5edcb9 [2023-11-12 00:47:39,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:47:39,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:47:39,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:47:39,544 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:47:39,545 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:47:39,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9033b59-92f1-403d-b6db-450198f61ff6/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-12 00:47:42,601 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:47:43,391 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:47:43,392 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9033b59-92f1-403d-b6db-450198f61ff6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-12 00:47:43,480 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9033b59-92f1-403d-b6db-450198f61ff6/bin/utaipan-verify-NcY6lQBIFX/data/01771286f/9f6bdb659c8541e88324c2ce7be04ac6/FLAG942c41ba9 [2023-11-12 00:47:43,497 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9033b59-92f1-403d-b6db-450198f61ff6/bin/utaipan-verify-NcY6lQBIFX/data/01771286f/9f6bdb659c8541e88324c2ce7be04ac6 [2023-11-12 00:47:43,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:47:43,505 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:47:43,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:43,509 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:47:43,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:47:43,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:43" (1/1) ... [2023-11-12 00:47:43,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e4f9cd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:43, skipping insertion in model container [2023-11-12 00:47:43,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:43" (1/1) ... [2023-11-12 00:47:43,771 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:47:49,090 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_e9033b59-92f1-403d-b6db-450198f61ff6/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] [2023-11-12 00:47:49,095 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_e9033b59-92f1-403d-b6db-450198f61ff6/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] [2023-11-12 00:47:49,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:49,264 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:47:49,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6260] [2023-11-12 00:47:49,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6267] [2023-11-12 00:47:49,402 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] [2023-11-12 00:47:49,403 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] [2023-11-12 00:47:49,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6934] [2023-11-12 00:47:49,431 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] [2023-11-12 00:47:49,433 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] [2023-11-12 00:47:49,434 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] [2023-11-12 00:47:49,435 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] [2023-11-12 00:47:49,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8201] [2023-11-12 00:47:49,438 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] [2023-11-12 00:47:49,440 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] [2023-11-12 00:47:49,440 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] [2023-11-12 00:47:49,444 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] [2023-11-12 00:47:49,446 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] [2023-11-12 00:47:49,447 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] [2023-11-12 00:47:49,448 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] [2023-11-12 00:47:49,461 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] [2023-11-12 00:47:49,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8931] [2023-11-12 00:47:49,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9541] [2023-11-12 00:47:49,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9588] [2023-11-12 00:47:49,491 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9600] [2023-11-12 00:47:49,493 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)next_rxd) [9661] [2023-11-12 00:47:49,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10272] [2023-11-12 00:47:49,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [11911] [2023-11-12 00:47:49,667 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] [2023-11-12 00:47:49,668 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] [2023-11-12 00:47:49,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12106] [2023-11-12 00:47:49,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12110] [2023-11-12 00:47:49,784 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_e9033b59-92f1-403d-b6db-450198f61ff6/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] [2023-11-12 00:47:49,785 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_e9033b59-92f1-403d-b6db-450198f61ff6/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] [2023-11-12 00:47:49,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:50,246 WARN L672 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:47:50,246 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:47:50,255 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:47:50,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:50 WrapperNode [2023-11-12 00:47:50,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:50,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:50,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:47:50,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:47:50,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:50" (1/1) ... [2023-11-12 00:47:50,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:50" (1/1) ... [2023-11-12 00:47:50,756 INFO L138 Inliner]: procedures = 639, calls = 3666, calls flagged for inlining = 316, calls inlined = 281, statements flattened = 9057 [2023-11-12 00:47:50,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:50,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:47:50,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:47:50,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:47:50,770 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:50" (1/1) ... [2023-11-12 00:47:50,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:50" (1/1) ... [2023-11-12 00:47:50,851 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:50" (1/1) ... [2023-11-12 00:47:50,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:50" (1/1) ... [2023-11-12 00:47:51,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:50" (1/1) ... [2023-11-12 00:47:51,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:50" (1/1) ... [2023-11-12 00:47:51,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:50" (1/1) ... [2023-11-12 00:47:51,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:50" (1/1) ... [2023-11-12 00:47:51,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:47:51,333 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:47:51,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:47:51,334 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:47:51,334 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:50" (1/1) ... [2023-11-12 00:47:51,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:51,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9033b59-92f1-403d-b6db-450198f61ff6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:51,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9033b59-92f1-403d-b6db-450198f61ff6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:47:51,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9033b59-92f1-403d-b6db-450198f61ff6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:47:51,434 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2023-11-12 00:47:51,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2023-11-12 00:47:51,435 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 00:47:51,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 00:47:51,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:47:51,435 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:47:51,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-11-12 00:47:51,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-11-12 00:47:51,435 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:47:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:47:51,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:47:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:47:51,436 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-12 00:47:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-12 00:47:51,436 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2023-11-12 00:47:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2023-11-12 00:47:51,436 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2023-11-12 00:47:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2023-11-12 00:47:51,437 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-12 00:47:51,437 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-12 00:47:51,437 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:47:51,437 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:47:51,437 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 00:47:51,437 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 00:47:51,437 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2023-11-12 00:47:51,437 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2023-11-12 00:47:51,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 00:47:51,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 00:47:51,438 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2023-11-12 00:47:51,438 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2023-11-12 00:47:51,439 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2023-11-12 00:47:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2023-11-12 00:47:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:47:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:47:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:47:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2023-11-12 00:47:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2023-11-12 00:47:51,441 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2023-11-12 00:47:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2023-11-12 00:47:51,441 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:47:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:47:51,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:47:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:47:51,443 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:47:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:47:51,443 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 00:47:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 00:47:51,443 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2023-11-12 00:47:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2023-11-12 00:47:51,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:47:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:47:51,444 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-12 00:47:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-12 00:47:51,444 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2023-11-12 00:47:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2023-11-12 00:47:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:47:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 00:47:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 00:47:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-12 00:47:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-12 00:47:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-12 00:47:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-12 00:47:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-11-12 00:47:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-11-12 00:47:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:47:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:47:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:47:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2023-11-12 00:47:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2023-11-12 00:47:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:47:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:47:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 00:47:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 00:47:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:47:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2023-11-12 00:47:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2023-11-12 00:47:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:47:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:47:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-12 00:47:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-12 00:47:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:47:51,449 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2023-11-12 00:47:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2023-11-12 00:47:51,449 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:47:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:47:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-12 00:47:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-12 00:47:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2023-11-12 00:47:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2023-11-12 00:47:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:47:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:47:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2023-11-12 00:47:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2023-11-12 00:47:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:47:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:47:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2023-11-12 00:47:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2023-11-12 00:47:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2023-11-12 00:47:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2023-11-12 00:47:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:47:51,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:47:51,452 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2023-11-12 00:47:51,452 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2023-11-12 00:47:51,452 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2023-11-12 00:47:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2023-11-12 00:47:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:47:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:47:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 00:47:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 00:47:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-12 00:47:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-12 00:47:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 00:47:51,455 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 00:47:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2023-11-12 00:47:51,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2023-11-12 00:47:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-12 00:47:51,457 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-12 00:47:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:47:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:47:51,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:47:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:47:51,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:47:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-11-12 00:47:51,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-11-12 00:47:51,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-12 00:47:51,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-12 00:47:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-12 00:47:51,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-12 00:47:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2023-11-12 00:47:51,468 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2023-11-12 00:47:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:47:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2023-11-12 00:47:51,468 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2023-11-12 00:47:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-12 00:47:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-12 00:47:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:47:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:47:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:47:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:47:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:47:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-12 00:47:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-12 00:47:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2023-11-12 00:47:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2023-11-12 00:47:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2023-11-12 00:47:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2023-11-12 00:47:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-12 00:47:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-12 00:47:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-12 00:47:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-12 00:47:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2023-11-12 00:47:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2023-11-12 00:47:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 00:47:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 00:47:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2023-11-12 00:47:51,471 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2023-11-12 00:47:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-12 00:47:51,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-12 00:47:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-12 00:47:51,471 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-12 00:47:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2023-11-12 00:47:51,471 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2023-11-12 00:47:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:47:51,471 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:47:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:47:51,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:47:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2023-11-12 00:47:51,472 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2023-11-12 00:47:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2023-11-12 00:47:51,472 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2023-11-12 00:47:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:47:51,472 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:47:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 00:47:51,472 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 00:47:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2023-11-12 00:47:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2023-11-12 00:47:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2023-11-12 00:47:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2023-11-12 00:47:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:47:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:47:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2023-11-12 00:47:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2023-11-12 00:47:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2023-11-12 00:47:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2023-11-12 00:47:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 00:47:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 00:47:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:47:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:47:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:47:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:47:51,474 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 00:47:51,475 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 00:47:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2023-11-12 00:47:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2023-11-12 00:47:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-12 00:47:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-12 00:47:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 00:47:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 00:47:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-12 00:47:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-12 00:47:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2023-11-12 00:47:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2023-11-12 00:47:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:47:51,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:47:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2023-11-12 00:47:51,477 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2023-11-12 00:47:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2023-11-12 00:47:51,477 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2023-11-12 00:47:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2023-11-12 00:47:51,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2023-11-12 00:47:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-12 00:47:51,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-12 00:47:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2023-11-12 00:47:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2023-11-12 00:47:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 00:47:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 00:47:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:47:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:47:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-12 00:47:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-12 00:47:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:47:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:47:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2023-11-12 00:47:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2023-11-12 00:47:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2023-11-12 00:47:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2023-11-12 00:47:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-12 00:47:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-12 00:47:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-12 00:47:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-12 00:47:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 00:47:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 00:47:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:47:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:47:51,480 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:47:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2023-11-12 00:47:51,480 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2023-11-12 00:47:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-12 00:47:51,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-12 00:47:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:47:51,480 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:47:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2023-11-12 00:47:51,481 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2023-11-12 00:47:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:47:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2023-11-12 00:47:51,485 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2023-11-12 00:47:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2023-11-12 00:47:51,486 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2023-11-12 00:47:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2023-11-12 00:47:51,486 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2023-11-12 00:47:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-12 00:47:51,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-12 00:47:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2023-11-12 00:47:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2023-11-12 00:47:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-12 00:47:51,488 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-12 00:47:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:47:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:47:51,488 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:47:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 00:47:51,488 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 00:47:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2023-11-12 00:47:51,488 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2023-11-12 00:47:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 00:47:51,489 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 00:47:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-12 00:47:51,489 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-12 00:47:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:47:51,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:47:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-12 00:47:51,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-12 00:47:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2023-11-12 00:47:51,489 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2023-11-12 00:47:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2023-11-12 00:47:51,489 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2023-11-12 00:47:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:47:51,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:47:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-12 00:47:51,490 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-12 00:47:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 00:47:51,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 00:47:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2023-11-12 00:47:51,490 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2023-11-12 00:47:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2023-11-12 00:47:51,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2023-11-12 00:47:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2023-11-12 00:47:51,491 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2023-11-12 00:47:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-12 00:47:51,491 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-12 00:47:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-11-12 00:47:51,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-11-12 00:47:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:47:51,492 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:47:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 00:47:51,492 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 00:47:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2023-11-12 00:47:51,492 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2023-11-12 00:47:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:47:51,492 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:47:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-12 00:47:51,492 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-12 00:47:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2023-11-12 00:47:51,492 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2023-11-12 00:47:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:47:51,493 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:47:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2023-11-12 00:47:51,493 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2023-11-12 00:47:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:47:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2023-11-12 00:47:51,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2023-11-12 00:47:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:47:51,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:47:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 00:47:51,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 00:47:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2023-11-12 00:47:51,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2023-11-12 00:47:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 00:47:51,494 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 00:47:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 00:47:51,494 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 00:47:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2023-11-12 00:47:51,494 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2023-11-12 00:47:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2023-11-12 00:47:51,494 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2023-11-12 00:47:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2023-11-12 00:47:51,495 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2023-11-12 00:47:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2023-11-12 00:47:51,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2023-11-12 00:47:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2023-11-12 00:47:51,495 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2023-11-12 00:47:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:47:51,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:47:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2023-11-12 00:47:51,495 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2023-11-12 00:47:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-12 00:47:51,496 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-12 00:47:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-12 00:47:51,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-12 00:47:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2023-11-12 00:47:51,496 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2023-11-12 00:47:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-11-12 00:47:51,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-11-12 00:47:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-12 00:47:51,496 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-12 00:47:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2023-11-12 00:47:51,497 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2023-11-12 00:47:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 00:47:51,497 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 00:47:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:47:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-12 00:47:51,497 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-12 00:47:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:47:51,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:47:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-12 00:47:52,781 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:47:52,786 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:47:53,221 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:48:02,080 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:48:02,441 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:48:07,926 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:48:07,926 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:48:07,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:48:07 BoogieIcfgContainer [2023-11-12 00:48:07,934 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:48:07,936 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:48:07,936 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:48:07,939 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:48:07,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:47:43" (1/3) ... [2023-11-12 00:48:07,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a505a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:48:07, skipping insertion in model container [2023-11-12 00:48:07,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:50" (2/3) ... [2023-11-12 00:48:07,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a505a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:48:07, skipping insertion in model container [2023-11-12 00:48:07,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:48:07" (3/3) ... [2023-11-12 00:48:07,942 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-12 00:48:07,963 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:48:07,964 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-12 00:48:08,087 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:48:08,095 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;@3a156fe2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:48:08,095 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-12 00:48:08,111 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) [2023-11-12 00:48:08,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-11-12 00:48:08,170 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:48:08,171 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] [2023-11-12 00:48:08,172 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:48:08,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:48:08,180 INFO L85 PathProgramCache]: Analyzing trace with hash -986418260, now seen corresponding path program 1 times [2023-11-12 00:48:08,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:48:08,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493120197] [2023-11-12 00:48:08,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:08,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:48:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:48:09,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2023-11-12 00:48:09,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:48:09,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493120197] [2023-11-12 00:48:09,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493120197] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:48:09,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:48:09,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:48:09,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394226853] [2023-11-12 00:48:09,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:48:09,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:48:09,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:48:09,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:48:09,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:48:09,716 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) [2023-11-12 00:48:14,333 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 00:48:19,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:48:19,011 INFO L93 Difference]: Finished difference Result 6309 states and 9041 transitions. [2023-11-12 00:48:19,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:48:19,014 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 [2023-11-12 00:48:19,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:48:19,083 INFO L225 Difference]: With dead ends: 6309 [2023-11-12 00:48:19,083 INFO L226 Difference]: Without dead ends: 3921 [2023-11-12 00:48:19,108 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 00:48:19,112 INFO L413 NwaCegarLoop]: 3028 mSDtfsCounter, 2276 mSDsluCounter, 2854 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2276 SdHoareTripleChecker+Valid, 5882 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-11-12 00:48:19,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2276 Valid, 5882 Invalid, 1035 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 1015 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2023-11-12 00:48:19,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3921 states. [2023-11-12 00:48:19,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3921 to 3916. [2023-11-12 00:48:19,485 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) [2023-11-12 00:48:19,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3916 states to 3916 states and 5529 transitions. [2023-11-12 00:48:19,528 INFO L78 Accepts]: Start accepts. Automaton has 3916 states and 5529 transitions. Word has length 282 [2023-11-12 00:48:19,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:48:19,531 INFO L495 AbstractCegarLoop]: Abstraction has 3916 states and 5529 transitions. [2023-11-12 00:48:19,531 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) [2023-11-12 00:48:19,531 INFO L276 IsEmpty]: Start isEmpty. Operand 3916 states and 5529 transitions. [2023-11-12 00:48:19,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-11-12 00:48:19,542 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:48:19,543 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] [2023-11-12 00:48:19,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:48:19,543 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:48:19,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:48:19,544 INFO L85 PathProgramCache]: Analyzing trace with hash 459799234, now seen corresponding path program 1 times [2023-11-12 00:48:19,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:48:19,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988450998] [2023-11-12 00:48:19,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:19,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:48:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:48:20,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2023-11-12 00:48:20,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:48:20,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988450998] [2023-11-12 00:48:20,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988450998] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:48:20,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:48:20,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:48:20,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978625102] [2023-11-12 00:48:20,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:48:20,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:48:20,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:48:20,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:48:20,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:48:20,056 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) [2023-11-12 00:48:23,816 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 []