./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_f65f4881-86ab-4b3d-b97b-5b73361a419f/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65f4881-86ab-4b3d-b97b-5b73361a419f/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65f4881-86ab-4b3d-b97b-5b73361a419f/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65f4881-86ab-4b3d-b97b-5b73361a419f/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65f4881-86ab-4b3d-b97b-5b73361a419f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65f4881-86ab-4b3d-b97b-5b73361a419f/bin/utaipan-verify-SwPr7d2a91 --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 ab9e5f1244054225c7f64ec690f34255fb42afe040f7d5d9f3462dbfcacd6e53 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:08:05,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:08:05,230 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65f4881-86ab-4b3d-b97b-5b73361a419f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:08:05,240 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:08:05,241 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:08:05,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:08:05,284 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:08:05,284 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:08:05,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:08:05,291 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:08:05,291 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:08:05,292 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:08:05,293 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:08:05,295 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:08:05,295 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:08:05,296 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:08:05,296 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:08:05,297 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:08:05,297 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:08:05,298 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:08:05,298 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:08:05,300 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:08:05,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:08:05,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:08:05,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:08:05,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:08:05,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:08:05,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:08:05,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:08:05,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:08:05,304 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:08:05,305 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:08:05,305 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:08:05,305 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:08:05,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:05,306 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:08:05,306 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:08:05,306 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:08:05,306 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:08:05,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:08:05,307 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:08:05,307 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:08:05,307 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:08:05,308 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:08:05,308 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_f65f4881-86ab-4b3d-b97b-5b73361a419f/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65f4881-86ab-4b3d-b97b-5b73361a419f/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab9e5f1244054225c7f64ec690f34255fb42afe040f7d5d9f3462dbfcacd6e53 [2023-11-25 00:08:05,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:08:05,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:08:05,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:08:05,628 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:08:05,629 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:08:05,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65f4881-86ab-4b3d-b97b-5b73361a419f/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-25 00:08:08,747 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:08:09,531 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:08:09,531 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65f4881-86ab-4b3d-b97b-5b73361a419f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-25 00:08:09,610 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65f4881-86ab-4b3d-b97b-5b73361a419f/bin/utaipan-verify-SwPr7d2a91/data/969517a0e/42ef18269f1449f89beb7130c678dad2/FLAG2775b0e4a [2023-11-25 00:08:09,629 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65f4881-86ab-4b3d-b97b-5b73361a419f/bin/utaipan-verify-SwPr7d2a91/data/969517a0e/42ef18269f1449f89beb7130c678dad2 [2023-11-25 00:08:09,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:08:09,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:08:09,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:09,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:08:09,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:08:09,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:09" (1/1) ... [2023-11-25 00:08:09,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53cfdc47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:09, skipping insertion in model container [2023-11-25 00:08:09,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:09" (1/1) ... [2023-11-25 00:08:09,870 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:08:14,448 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_f65f4881-86ab-4b3d-b97b-5b73361a419f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[455527,455540] [2023-11-25 00:08:14,453 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_f65f4881-86ab-4b3d-b97b-5b73361a419f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[455693,455706] [2023-11-25 00:08:14,454 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_f65f4881-86ab-4b3d-b97b-5b73361a419f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[455857,455870] [2023-11-25 00:08:14,454 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_f65f4881-86ab-4b3d-b97b-5b73361a419f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[456022,456035] [2023-11-25 00:08:14,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:14,597 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:08:14,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6262] [2023-11-25 00:08:14,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6269] [2023-11-25 00:08:14,825 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"); [6921] [2023-11-25 00:08:14,825 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)); [6928] [2023-11-25 00:08:14,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6935] [2023-11-25 00:08:14,858 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)); [8016-8017] [2023-11-25 00:08:14,860 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/d4e00c1/linux-kernel-locking-mutex/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [8066-8067] [2023-11-25 00:08:14,861 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"); [8072-8074] [2023-11-25 00:08:14,861 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)); [8094] [2023-11-25 00:08:14,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8198] [2023-11-25 00:08:14,865 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)); [8255-8256] [2023-11-25 00:08:14,867 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)); [8316] [2023-11-25 00:08:14,868 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)); [8324-8325] [2023-11-25 00:08:14,871 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)); [8400-8401] [2023-11-25 00:08:14,873 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)); [8434-8435] [2023-11-25 00:08:14,874 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)); [8475-8476] [2023-11-25 00:08:14,876 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)); [8504-8505] [2023-11-25 00:08:14,890 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)); [8946-8947] [2023-11-25 00:08:14,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8953] [2023-11-25 00:08:14,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9563] [2023-11-25 00:08:14,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9610] [2023-11-25 00:08:14,920 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9622] [2023-11-25 00:08:14,922 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)next_rxd) [9683] [2023-11-25 00:08:14,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10294] [2023-11-25 00:08:15,107 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [11933] [2023-11-25 00:08:15,109 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)); [11977-11978] [2023-11-25 00:08:15,110 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)); [12013-12014] [2023-11-25 00:08:15,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12128] [2023-11-25 00:08:15,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12132] [2023-11-25 00:08:15,203 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_f65f4881-86ab-4b3d-b97b-5b73361a419f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[455527,455540] [2023-11-25 00:08:15,204 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_f65f4881-86ab-4b3d-b97b-5b73361a419f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[455693,455706] [2023-11-25 00:08:15,205 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_f65f4881-86ab-4b3d-b97b-5b73361a419f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[455857,455870] [2023-11-25 00:08:15,205 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_f65f4881-86ab-4b3d-b97b-5b73361a419f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[456022,456035] [2023-11-25 00:08:15,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:15,641 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:08:15,641 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:08:15,649 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:08:15,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:15 WrapperNode [2023-11-25 00:08:15,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:15,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:15,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:08:15,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:08:15,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:15" (1/1) ... [2023-11-25 00:08:15,855 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:15" (1/1) ... [2023-11-25 00:08:16,216 INFO L138 Inliner]: procedures = 547, calls = 3390, calls flagged for inlining = 311, calls inlined = 283, statements flattened = 8959 [2023-11-25 00:08:16,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:16,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:08:16,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:08:16,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:08:16,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:15" (1/1) ... [2023-11-25 00:08:16,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:15" (1/1) ... [2023-11-25 00:08:16,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:15" (1/1) ... [2023-11-25 00:08:16,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:15" (1/1) ... [2023-11-25 00:08:16,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:15" (1/1) ... [2023-11-25 00:08:16,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:15" (1/1) ... [2023-11-25 00:08:16,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:15" (1/1) ... [2023-11-25 00:08:16,720 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:15" (1/1) ... [2023-11-25 00:08:16,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:08:16,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:08:16,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:08:16,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:08:16,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:15" (1/1) ... [2023-11-25 00:08:16,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:16,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65f4881-86ab-4b3d-b97b-5b73361a419f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:08:16,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65f4881-86ab-4b3d-b97b-5b73361a419f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:08:16,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f65f4881-86ab-4b3d-b97b-5b73361a419f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:08:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2023-11-25 00:08:16,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2023-11-25 00:08:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-25 00:08:16,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-25 00:08:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-25 00:08:16,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-25 00:08:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-11-25 00:08:16,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-11-25 00:08:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-25 00:08:16,861 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-25 00:08:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:08:16,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:08:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-25 00:08:16,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-25 00:08:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2023-11-25 00:08:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2023-11-25 00:08:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2023-11-25 00:08:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2023-11-25 00:08:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-25 00:08:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-25 00:08:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-25 00:08:16,863 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-25 00:08:16,863 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-25 00:08:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-25 00:08:16,864 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2023-11-25 00:08:16,865 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2023-11-25 00:08:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-25 00:08:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-25 00:08:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2023-11-25 00:08:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2023-11-25 00:08:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2023-11-25 00:08:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2023-11-25 00:08:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-25 00:08:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-25 00:08:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-25 00:08:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2023-11-25 00:08:16,867 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2023-11-25 00:08:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2023-11-25 00:08:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2023-11-25 00:08:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-25 00:08:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-25 00:08:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-25 00:08:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-25 00:08:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-25 00:08:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-25 00:08:16,869 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-25 00:08:16,869 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-25 00:08:16,869 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2023-11-25 00:08:16,869 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2023-11-25 00:08:16,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:08:16,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:08:16,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-25 00:08:16,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-25 00:08:16,870 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-25 00:08:16,871 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-25 00:08:16,871 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2023-11-25 00:08:16,871 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2023-11-25 00:08:16,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:08:16,871 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-25 00:08:16,871 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-25 00:08:16,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-25 00:08:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-25 00:08:16,872 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-25 00:08:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-25 00:08:16,872 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-11-25 00:08:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-11-25 00:08:16,872 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-25 00:08:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-25 00:08:16,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-25 00:08:16,873 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2023-11-25 00:08:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2023-11-25 00:08:16,873 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-25 00:08:16,874 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-25 00:08:16,874 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-25 00:08:16,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-25 00:08:16,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-25 00:08:16,875 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2023-11-25 00:08:16,875 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2023-11-25 00:08:16,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-25 00:08:16,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-25 00:08:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-25 00:08:16,880 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-25 00:08:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:08:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2023-11-25 00:08:16,880 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2023-11-25 00:08:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-25 00:08:16,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-25 00:08:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2023-11-25 00:08:16,881 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2023-11-25 00:08:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2023-11-25 00:08:16,881 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2023-11-25 00:08:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-25 00:08:16,881 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-25 00:08:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2023-11-25 00:08:16,883 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2023-11-25 00:08:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-25 00:08:16,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-25 00:08:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2023-11-25 00:08:16,883 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2023-11-25 00:08:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2023-11-25 00:08:16,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2023-11-25 00:08:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-25 00:08:16,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-25 00:08:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2023-11-25 00:08:16,885 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2023-11-25 00:08:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2023-11-25 00:08:16,885 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2023-11-25 00:08:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-25 00:08:16,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-25 00:08:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-25 00:08:16,886 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-25 00:08:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-25 00:08:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-25 00:08:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2023-11-25 00:08:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2023-11-25 00:08:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-25 00:08:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-25 00:08:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:08:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-25 00:08:16,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-25 00:08:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-25 00:08:16,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-25 00:08:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-25 00:08:16,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-25 00:08:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-25 00:08:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-25 00:08:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2023-11-25 00:08:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2023-11-25 00:08:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:08:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2023-11-25 00:08:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2023-11-25 00:08:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-25 00:08:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-25 00:08:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-25 00:08:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-25 00:08:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:08:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:08:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:08:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-25 00:08:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-25 00:08:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2023-11-25 00:08:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2023-11-25 00:08:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2023-11-25 00:08:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2023-11-25 00:08:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2023-11-25 00:08:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2023-11-25 00:08:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-25 00:08:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-25 00:08:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2023-11-25 00:08:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2023-11-25 00:08:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-25 00:08:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-25 00:08:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-25 00:08:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-25 00:08:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2023-11-25 00:08:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2023-11-25 00:08:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-25 00:08:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-25 00:08:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-25 00:08:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-25 00:08:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2023-11-25 00:08:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2023-11-25 00:08:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2023-11-25 00:08:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2023-11-25 00:08:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-25 00:08:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-25 00:08:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-25 00:08:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-25 00:08:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2023-11-25 00:08:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2023-11-25 00:08:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2023-11-25 00:08:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2023-11-25 00:08:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:08:16,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:08:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2023-11-25 00:08:16,896 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2023-11-25 00:08:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2023-11-25 00:08:16,896 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2023-11-25 00:08:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-25 00:08:16,896 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-25 00:08:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-25 00:08:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-25 00:08:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:08:16,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:08:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-25 00:08:16,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-25 00:08:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2023-11-25 00:08:16,898 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2023-11-25 00:08:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-25 00:08:16,898 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-25 00:08:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-25 00:08:16,898 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-25 00:08:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-25 00:08:16,899 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-25 00:08:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2023-11-25 00:08:16,899 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2023-11-25 00:08:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-25 00:08:16,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-25 00:08:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2023-11-25 00:08:16,900 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2023-11-25 00:08:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2023-11-25 00:08:16,900 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2023-11-25 00:08:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2023-11-25 00:08:16,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2023-11-25 00:08:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-25 00:08:16,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-25 00:08:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2023-11-25 00:08:16,901 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2023-11-25 00:08:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-25 00:08:16,901 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-25 00:08:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-25 00:08:16,902 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-25 00:08:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-25 00:08:16,902 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-25 00:08:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2023-11-25 00:08:16,902 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2023-11-25 00:08:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2023-11-25 00:08:16,902 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2023-11-25 00:08:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-25 00:08:16,903 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-25 00:08:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-25 00:08:16,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-25 00:08:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-25 00:08:16,903 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-25 00:08:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:08:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-25 00:08:16,904 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-25 00:08:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2023-11-25 00:08:16,904 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2023-11-25 00:08:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-25 00:08:16,904 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-25 00:08:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-25 00:08:16,905 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-25 00:08:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2023-11-25 00:08:16,905 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2023-11-25 00:08:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:08:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2023-11-25 00:08:16,905 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2023-11-25 00:08:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2023-11-25 00:08:16,906 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2023-11-25 00:08:16,906 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2023-11-25 00:08:16,906 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2023-11-25 00:08:16,906 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-25 00:08:16,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-25 00:08:16,906 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2023-11-25 00:08:16,906 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2023-11-25 00:08:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-25 00:08:16,907 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-25 00:08:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:08:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-25 00:08:16,907 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-25 00:08:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-25 00:08:16,908 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-25 00:08:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2023-11-25 00:08:16,908 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2023-11-25 00:08:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-25 00:08:16,908 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-25 00:08:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-25 00:08:16,908 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-25 00:08:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-25 00:08:16,909 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-25 00:08:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-25 00:08:16,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-25 00:08:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2023-11-25 00:08:16,909 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2023-11-25 00:08:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2023-11-25 00:08:16,910 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2023-11-25 00:08:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-25 00:08:16,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-25 00:08:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-25 00:08:16,910 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-25 00:08:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-25 00:08:16,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-25 00:08:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2023-11-25 00:08:16,911 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2023-11-25 00:08:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2023-11-25 00:08:16,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2023-11-25 00:08:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2023-11-25 00:08:16,911 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2023-11-25 00:08:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2023-11-25 00:08:16,912 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2023-11-25 00:08:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-25 00:08:16,912 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-25 00:08:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-25 00:08:16,912 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-25 00:08:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-25 00:08:16,912 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-25 00:08:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2023-11-25 00:08:16,913 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2023-11-25 00:08:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-25 00:08:16,913 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-25 00:08:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-25 00:08:16,913 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-25 00:08:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2023-11-25 00:08:16,914 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2023-11-25 00:08:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-25 00:08:16,914 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-25 00:08:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2023-11-25 00:08:16,914 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2023-11-25 00:08:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:08:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2023-11-25 00:08:16,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2023-11-25 00:08:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-25 00:08:16,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-25 00:08:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-25 00:08:16,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-25 00:08:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2023-11-25 00:08:16,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2023-11-25 00:08:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-25 00:08:16,916 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-25 00:08:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-25 00:08:16,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-25 00:08:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2023-11-25 00:08:16,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2023-11-25 00:08:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2023-11-25 00:08:16,917 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2023-11-25 00:08:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2023-11-25 00:08:16,917 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2023-11-25 00:08:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2023-11-25 00:08:16,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2023-11-25 00:08:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2023-11-25 00:08:16,917 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2023-11-25 00:08:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-25 00:08:16,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-25 00:08:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2023-11-25 00:08:16,918 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2023-11-25 00:08:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-25 00:08:16,918 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-25 00:08:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-25 00:08:16,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-25 00:08:16,919 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2023-11-25 00:08:16,919 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2023-11-25 00:08:16,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-11-25 00:08:16,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-11-25 00:08:16,919 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-25 00:08:16,919 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-25 00:08:16,919 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2023-11-25 00:08:16,920 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2023-11-25 00:08:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-25 00:08:16,920 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-25 00:08:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:08:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-25 00:08:16,920 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-25 00:08:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-25 00:08:16,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-25 00:08:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-25 00:08:18,388 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:08:18,400 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:08:18,805 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:08:27,974 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-25 00:08:28,284 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:08:33,651 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:08:33,652 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:08:33,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:33 BoogieIcfgContainer [2023-11-25 00:08:33,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:08:33,658 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:08:33,658 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:08:33,663 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:08:33,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:08:09" (1/3) ... [2023-11-25 00:08:33,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6983fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:08:33, skipping insertion in model container [2023-11-25 00:08:33,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:15" (2/3) ... [2023-11-25 00:08:33,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6983fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:08:33, skipping insertion in model container [2023-11-25 00:08:33,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:33" (3/3) ... [2023-11-25 00:08:33,668 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-25 00:08:33,685 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:08:33,686 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:08:33,807 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:08:33,814 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;@5a175cf3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:08:33,815 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:08:33,829 INFO L276 IsEmpty]: Start isEmpty. Operand has 2345 states, 1390 states have (on average 1.2705035971223022) internal successors, (1766), 1427 states have internal predecessors, (1766), 791 states have call successors, (791), 164 states have call predecessors, (791), 163 states have return successors, (783), 770 states have call predecessors, (783), 783 states have call successors, (783) [2023-11-25 00:08:33,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2023-11-25 00:08:33,869 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:33,870 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] [2023-11-25 00:08:33,871 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:08:33,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:33,877 INFO L85 PathProgramCache]: Analyzing trace with hash 198516673, now seen corresponding path program 1 times [2023-11-25 00:08:33,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:08:33,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414630359] [2023-11-25 00:08:33,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:33,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:08:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:35,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2023-11-25 00:08:35,315 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:08:35,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414630359] [2023-11-25 00:08:35,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414630359] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:08:35,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:08:35,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:08:35,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727754855] [2023-11-25 00:08:35,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:08:35,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:08:35,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:08:35,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:08:35,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:08:35,380 INFO L87 Difference]: Start difference. First operand has 2345 states, 1390 states have (on average 1.2705035971223022) internal successors, (1766), 1427 states have internal predecessors, (1766), 791 states have call successors, (791), 164 states have call predecessors, (791), 163 states have return successors, (783), 770 states have call predecessors, (783), 783 states have call successors, (783) Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-25 00:08:37,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:08:41,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:08:44,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:08:44,850 INFO L93 Difference]: Finished difference Result 6868 states and 9787 transitions. [2023-11-25 00:08:44,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:08:44,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 261 [2023-11-25 00:08:44,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:08:44,930 INFO L225 Difference]: With dead ends: 6868 [2023-11-25 00:08:44,930 INFO L226 Difference]: Without dead ends: 4558 [2023-11-25 00:08:44,953 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 [2023-11-25 00:08:44,958 INFO L413 NwaCegarLoop]: 2881 mSDtfsCounter, 3197 mSDsluCounter, 2831 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3197 SdHoareTripleChecker+Valid, 5712 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:08:44,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3197 Valid, 5712 Invalid, 951 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 944 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2023-11-25 00:08:44,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4558 states. [2023-11-25 00:08:45,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4558 to 4558. [2023-11-25 00:08:45,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4558 states, 2718 states have (on average 1.26747608535688) internal successors, (3445), 2789 states have internal predecessors, (3445), 1517 states have call successors, (1517), 323 states have call predecessors, (1517), 322 states have return successors, (1513), 1487 states have call predecessors, (1513), 1513 states have call successors, (1513) [2023-11-25 00:08:45,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4558 states to 4558 states and 6475 transitions. [2023-11-25 00:08:45,411 INFO L78 Accepts]: Start accepts. Automaton has 4558 states and 6475 transitions. Word has length 261 [2023-11-25 00:08:45,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:08:45,416 INFO L495 AbstractCegarLoop]: Abstraction has 4558 states and 6475 transitions. [2023-11-25 00:08:45,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-25 00:08:45,417 INFO L276 IsEmpty]: Start isEmpty. Operand 4558 states and 6475 transitions. [2023-11-25 00:08:45,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2023-11-25 00:08:45,442 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:45,443 INFO L195 NwaCegarLoop]: trace histogram [28, 24, 24, 24, 24, 24, 24, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:45,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:08:45,443 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:08:45,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:45,444 INFO L85 PathProgramCache]: Analyzing trace with hash 201462667, now seen corresponding path program 1 times [2023-11-25 00:08:45,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:08:45,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675506398] [2023-11-25 00:08:45,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:45,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:08:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:47,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2441 trivial. 0 not checked. [2023-11-25 00:08:47,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:08:47,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675506398] [2023-11-25 00:08:47,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675506398] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:08:47,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:08:47,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:08:47,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314366614] [2023-11-25 00:08:47,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:08:47,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:08:47,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:08:47,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:08:47,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:08:47,388 INFO L87 Difference]: Start difference. First operand 4558 states and 6475 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-25 00:08:50,974 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 [] [2023-11-25 00:08:52,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []