./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 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_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/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_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/bin/utaipan-verify-NcY6lQBIFX/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_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/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_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/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 ab9e5f1244054225c7f64ec690f34255fb42afe040f7d5d9f3462dbfcacd6e53 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:08:04,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:08:04,922 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:08:04,932 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:08:04,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:08:04,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:08:04,974 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:08:04,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:08:04,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:08:04,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:08:04,982 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:08:04,983 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:08:04,983 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:08:04,985 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:08:04,985 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:08:04,986 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:08:04,986 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:08:04,987 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:08:04,987 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:08:04,987 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:08:04,988 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:08:04,988 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:08:04,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:08:04,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:08:04,990 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:08:04,990 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:08:04,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:08:04,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:08:04,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:08:04,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:08:04,993 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:08:04,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:08:04,993 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:08:04,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:04,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:08:04,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:08:04,994 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:08:04,995 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:08:04,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:08:04,995 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:08:04,995 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:08:04,996 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:08:04,996 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_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab9e5f1244054225c7f64ec690f34255fb42afe040f7d5d9f3462dbfcacd6e53 [2023-11-12 00:08:05,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:08:05,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:08:05,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:08:05,288 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:08:05,288 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:08:05,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-12 00:08:08,412 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:08:09,197 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:08:09,197 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-12 00:08:09,265 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/bin/utaipan-verify-NcY6lQBIFX/data/2100459f5/00ae85b98c8744c89fd543fdc898a94a/FLAG1b8170683 [2023-11-12 00:08:09,286 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/bin/utaipan-verify-NcY6lQBIFX/data/2100459f5/00ae85b98c8744c89fd543fdc898a94a [2023-11-12 00:08:09,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:08:09,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:08:09,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:09,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:08:09,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:08:09,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:09" (1/1) ... [2023-11-12 00:08:09,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60b3055a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:09, skipping insertion in model container [2023-11-12 00:08:09,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:09" (1/1) ... [2023-11-12 00:08:09,532 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:08:13,980 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_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/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] [2023-11-12 00:08:13,984 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_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/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] [2023-11-12 00:08:13,985 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_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/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] [2023-11-12 00:08:13,986 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_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/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] [2023-11-12 00:08:14,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:14,111 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:08:14,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6262] [2023-11-12 00:08:14,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6269] [2023-11-12 00:08:14,390 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] [2023-11-12 00:08:14,390 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] [2023-11-12 00:08:14,391 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6935] [2023-11-12 00:08:14,423 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] [2023-11-12 00:08:14,426 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] [2023-11-12 00:08:14,427 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] [2023-11-12 00:08:14,428 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] [2023-11-12 00:08:14,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8198] [2023-11-12 00:08:14,433 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 *)"include/linux/mm.h"), "i" (488), "i" (12UL)); [8255-8256] [2023-11-12 00:08:14,435 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] [2023-11-12 00:08:14,435 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] [2023-11-12 00:08:14,439 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] [2023-11-12 00:08:14,441 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] [2023-11-12 00:08:14,442 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] [2023-11-12 00:08:14,444 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" (91), "i" (12UL)); [8504-8505] [2023-11-12 00:08:14,459 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] [2023-11-12 00:08:14,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8953] [2023-11-12 00:08:14,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9563] [2023-11-12 00:08:14,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9610] [2023-11-12 00:08:14,489 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9622] [2023-11-12 00:08:14,491 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)next_rxd) [9683] [2023-11-12 00:08:14,536 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10294] [2023-11-12 00:08:14,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [11933] [2023-11-12 00:08:14,662 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] [2023-11-12 00:08:14,664 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] [2023-11-12 00:08:14,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12128] [2023-11-12 00:08:14,672 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12132] [2023-11-12 00:08:14,774 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_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/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] [2023-11-12 00:08:14,775 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_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/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] [2023-11-12 00:08:14,776 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_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/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] [2023-11-12 00:08:14,777 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_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/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] [2023-11-12 00:08:14,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:15,242 WARN L672 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:15,242 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:15,251 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:08:15,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:15 WrapperNode [2023-11-12 00:08:15,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:15,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:15,253 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:08:15,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:08:15,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:15" (1/1) ... [2023-11-12 00:08:15,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:15" (1/1) ... [2023-11-12 00:08:15,742 INFO L138 Inliner]: procedures = 547, calls = 3390, calls flagged for inlining = 311, calls inlined = 283, statements flattened = 8893 [2023-11-12 00:08:15,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:15,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:08:15,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:08:15,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:08:15,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:15" (1/1) ... [2023-11-12 00:08:15,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:15" (1/1) ... [2023-11-12 00:08:15,803 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:15" (1/1) ... [2023-11-12 00:08:15,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:15" (1/1) ... [2023-11-12 00:08:16,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:15" (1/1) ... [2023-11-12 00:08:16,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:15" (1/1) ... [2023-11-12 00:08:16,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:15" (1/1) ... [2023-11-12 00:08:16,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:15" (1/1) ... [2023-11-12 00:08:16,427 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:08:16,429 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:08:16,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:08:16,430 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:08:16,431 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:15" (1/1) ... [2023-11-12 00:08:16,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:16,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:16,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:08:16,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c5f23f-a7dd-4485-97ec-94315be5e4eb/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:08:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2023-11-12 00:08:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2023-11-12 00:08:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 00:08:16,520 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 00:08:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:08:16,520 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:08:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-11-12 00:08:16,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-11-12 00:08:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:08:16,521 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:08:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:08:16,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:08:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-12 00:08:16,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-12 00:08:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2023-11-12 00:08:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2023-11-12 00:08:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2023-11-12 00:08:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2023-11-12 00:08:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-12 00:08:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-12 00:08:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:08:16,523 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:08:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 00:08:16,523 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 00:08:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2023-11-12 00:08:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2023-11-12 00:08:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 00:08:16,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 00:08:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2023-11-12 00:08:16,526 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2023-11-12 00:08:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2023-11-12 00:08:16,526 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2023-11-12 00:08:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:08:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:08:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:08:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2023-11-12 00:08:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2023-11-12 00:08:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2023-11-12 00:08:16,528 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2023-11-12 00:08:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:08:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:08:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:08:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:08:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:08:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:08:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 00:08:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 00:08:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2023-11-12 00:08:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2023-11-12 00:08:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:08:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:08:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-12 00:08:16,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-12 00:08:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-12 00:08:16,532 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-12 00:08:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2023-11-12 00:08:16,533 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2023-11-12 00:08:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:08:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 00:08:16,533 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 00:08:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-12 00:08:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-12 00:08:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-12 00:08:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-12 00:08:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-11-12 00:08:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-11-12 00:08:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:08:16,535 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:08:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:08:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2023-11-12 00:08:16,535 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2023-11-12 00:08:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:08:16,536 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:08:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 00:08:16,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 00:08:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:08:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2023-11-12 00:08:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2023-11-12 00:08:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:08:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:08:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-12 00:08:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-12 00:08:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:08:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2023-11-12 00:08:16,539 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2023-11-12 00:08:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:08:16,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:08:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2023-11-12 00:08:16,540 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2023-11-12 00:08:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2023-11-12 00:08:16,540 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2023-11-12 00:08:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:08:16,541 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:08:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2023-11-12 00:08:16,541 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2023-11-12 00:08:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:08:16,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:08:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2023-11-12 00:08:16,543 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2023-11-12 00:08:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2023-11-12 00:08:16,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2023-11-12 00:08:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:08:16,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:08:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2023-11-12 00:08:16,544 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2023-11-12 00:08:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2023-11-12 00:08:16,545 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2023-11-12 00:08:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:08:16,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:08:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-12 00:08:16,546 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-12 00:08:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 00:08:16,548 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 00:08:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2023-11-12 00:08:16,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2023-11-12 00:08:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-12 00:08:16,552 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-12 00:08:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:08:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:08:16,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:08:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:08:16,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:08:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-12 00:08:16,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-12 00:08:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-12 00:08:16,561 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-12 00:08:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2023-11-12 00:08:16,562 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2023-11-12 00:08:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:08:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2023-11-12 00:08:16,562 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2023-11-12 00:08:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-12 00:08:16,562 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-12 00:08:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:08:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:08:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:08:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:08:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:08:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-12 00:08:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-12 00:08:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2023-11-12 00:08:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2023-11-12 00:08:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2023-11-12 00:08:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2023-11-12 00:08:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2023-11-12 00:08:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2023-11-12 00:08:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 00:08:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 00:08:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2023-11-12 00:08:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2023-11-12 00:08:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-12 00:08:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-12 00:08:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-12 00:08:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-12 00:08:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2023-11-12 00:08:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2023-11-12 00:08:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:08:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:08:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:08:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:08:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2023-11-12 00:08:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2023-11-12 00:08:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2023-11-12 00:08:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2023-11-12 00:08:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:08:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:08:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 00:08:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 00:08:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2023-11-12 00:08:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2023-11-12 00:08:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2023-11-12 00:08:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2023-11-12 00:08:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:08:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:08:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2023-11-12 00:08:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2023-11-12 00:08:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2023-11-12 00:08:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2023-11-12 00:08:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 00:08:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 00:08:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:08:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:08:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:08:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:08:16,571 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 00:08:16,571 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 00:08:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2023-11-12 00:08:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2023-11-12 00:08:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-12 00:08:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-12 00:08:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 00:08:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 00:08:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-12 00:08:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-12 00:08:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2023-11-12 00:08:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2023-11-12 00:08:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:08:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:08:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2023-11-12 00:08:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2023-11-12 00:08:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2023-11-12 00:08:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2023-11-12 00:08:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2023-11-12 00:08:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2023-11-12 00:08:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-12 00:08:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-12 00:08:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2023-11-12 00:08:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2023-11-12 00:08:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 00:08:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 00:08:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:08:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:08:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:08:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:08:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2023-11-12 00:08:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2023-11-12 00:08:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2023-11-12 00:08:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2023-11-12 00:08:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-12 00:08:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-12 00:08:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-12 00:08:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-12 00:08:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 00:08:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 00:08:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:08:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:08:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:08:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2023-11-12 00:08:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2023-11-12 00:08:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-12 00:08:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-12 00:08:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:08:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:08:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2023-11-12 00:08:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2023-11-12 00:08:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:08:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2023-11-12 00:08:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2023-11-12 00:08:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2023-11-12 00:08:16,580 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2023-11-12 00:08:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2023-11-12 00:08:16,584 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2023-11-12 00:08:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-12 00:08:16,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-12 00:08:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2023-11-12 00:08:16,585 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2023-11-12 00:08:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-12 00:08:16,585 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-12 00:08:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:08:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:08:16,587 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:08:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 00:08:16,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 00:08:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2023-11-12 00:08:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2023-11-12 00:08:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 00:08:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 00:08:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-12 00:08:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-12 00:08:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:08:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:08:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-12 00:08:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-12 00:08:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2023-11-12 00:08:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2023-11-12 00:08:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2023-11-12 00:08:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2023-11-12 00:08:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:08:16,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:08:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-12 00:08:16,590 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-12 00:08:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 00:08:16,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 00:08:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2023-11-12 00:08:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2023-11-12 00:08:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2023-11-12 00:08:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2023-11-12 00:08:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2023-11-12 00:08:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2023-11-12 00:08:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2023-11-12 00:08:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2023-11-12 00:08:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-12 00:08:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-12 00:08:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:08:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:08:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 00:08:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 00:08:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2023-11-12 00:08:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2023-11-12 00:08:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:08:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:08:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-12 00:08:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-12 00:08:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2023-11-12 00:08:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2023-11-12 00:08:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:08:16,594 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:08:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2023-11-12 00:08:16,594 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2023-11-12 00:08:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:08:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2023-11-12 00:08:16,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2023-11-12 00:08:16,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:08:16,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:08:16,595 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 00:08:16,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 00:08:16,595 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2023-11-12 00:08:16,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2023-11-12 00:08:16,595 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 00:08:16,596 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 00:08:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 00:08:16,596 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 00:08:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2023-11-12 00:08:16,596 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2023-11-12 00:08:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2023-11-12 00:08:16,596 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2023-11-12 00:08:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2023-11-12 00:08:16,597 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2023-11-12 00:08:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2023-11-12 00:08:16,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2023-11-12 00:08:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2023-11-12 00:08:16,597 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2023-11-12 00:08:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:08:16,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:08:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2023-11-12 00:08:16,598 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2023-11-12 00:08:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-12 00:08:16,598 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-12 00:08:16,598 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 00:08:16,598 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 00:08:16,599 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2023-11-12 00:08:16,599 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2023-11-12 00:08:16,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-11-12 00:08:16,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-11-12 00:08:16,599 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-12 00:08:16,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-12 00:08:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2023-11-12 00:08:16,600 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2023-11-12 00:08:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 00:08:16,600 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 00:08:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:08:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-12 00:08:16,600 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-12 00:08:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:08:16,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:08:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-12 00:08:17,911 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:08:17,917 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:08:18,260 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:08:27,393 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:08:27,780 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:08:32,799 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:08:32,800 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:08:32,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:32 BoogieIcfgContainer [2023-11-12 00:08:32,808 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:08:32,812 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:08:32,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:08:32,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:08:32,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:08:09" (1/3) ... [2023-11-12 00:08:32,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71772083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:32, skipping insertion in model container [2023-11-12 00:08:32,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:15" (2/3) ... [2023-11-12 00:08:32,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71772083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:32, skipping insertion in model container [2023-11-12 00:08:32,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:32" (3/3) ... [2023-11-12 00:08:32,822 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-12 00:08:32,844 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:08:32,845 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:08:32,968 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:08:32,978 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;@43ea03c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:08:32,978 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:08:32,994 INFO L276 IsEmpty]: Start isEmpty. Operand has 2334 states, 1379 states have (on average 1.2726613488034808) internal successors, (1755), 1420 states have internal predecessors, (1755), 791 states have call successors, (791), 164 states have call predecessors, (791), 163 states have return successors, (783), 769 states have call predecessors, (783), 783 states have call successors, (783) [2023-11-12 00:08:33,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2023-11-12 00:08:33,049 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:33,050 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] [2023-11-12 00:08:33,050 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] === [2023-11-12 00:08:33,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:33,058 INFO L85 PathProgramCache]: Analyzing trace with hash -673415219, now seen corresponding path program 1 times [2023-11-12 00:08:33,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:33,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165399582] [2023-11-12 00:08:33,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:33,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:34,503 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 00:08:34,504 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:08:34,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165399582] [2023-11-12 00:08:34,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165399582] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:34,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:08:34,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:08:34,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156237059] [2023-11-12 00:08:34,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:34,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:08:34,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:08:34,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:08:34,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:08:34,568 INFO L87 Difference]: Start difference. First operand has 2334 states, 1379 states have (on average 1.2726613488034808) internal successors, (1755), 1420 states have internal predecessors, (1755), 791 states have call successors, (791), 164 states have call predecessors, (791), 163 states have return successors, (783), 769 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) [2023-11-12 00:08:41,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:41,413 INFO L93 Difference]: Finished difference Result 6835 states and 9754 transitions. [2023-11-12 00:08:41,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:08:41,416 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 [2023-11-12 00:08:41,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:41,493 INFO L225 Difference]: With dead ends: 6835 [2023-11-12 00:08:41,494 INFO L226 Difference]: Without dead ends: 4536 [2023-11-12 00:08:41,523 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 00:08:41,527 INFO L413 NwaCegarLoop]: 2870 mSDtfsCounter, 3186 mSDsluCounter, 2820 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3186 SdHoareTripleChecker+Valid, 5690 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:41,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3186 Valid, 5690 Invalid, 951 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 944 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-11-12 00:08:41,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4536 states. [2023-11-12 00:08:41,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4536 to 4536. [2023-11-12 00:08:41,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4536 states, 2696 states have (on average 1.2696587537091988) internal successors, (3423), 2775 states have internal predecessors, (3423), 1517 states have call successors, (1517), 323 states have call predecessors, (1517), 322 states have return successors, (1513), 1485 states have call predecessors, (1513), 1513 states have call successors, (1513) [2023-11-12 00:08:42,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4536 states to 4536 states and 6453 transitions. [2023-11-12 00:08:42,015 INFO L78 Accepts]: Start accepts. Automaton has 4536 states and 6453 transitions. Word has length 261 [2023-11-12 00:08:42,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:42,021 INFO L495 AbstractCegarLoop]: Abstraction has 4536 states and 6453 transitions. [2023-11-12 00:08:42,021 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) [2023-11-12 00:08:42,021 INFO L276 IsEmpty]: Start isEmpty. Operand 4536 states and 6453 transitions. [2023-11-12 00:08:42,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2023-11-12 00:08:42,043 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:42,044 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] [2023-11-12 00:08:42,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:08:42,045 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] === [2023-11-12 00:08:42,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:42,046 INFO L85 PathProgramCache]: Analyzing trace with hash -821818342, now seen corresponding path program 1 times [2023-11-12 00:08:42,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:42,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700437668] [2023-11-12 00:08:42,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:42,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:44,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2441 trivial. 0 not checked. [2023-11-12 00:08:44,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:08:44,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700437668] [2023-11-12 00:08:44,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700437668] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:44,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:08:44,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:08:44,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020152445] [2023-11-12 00:08:44,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:44,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:08:44,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:08:44,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:08:44,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:08:44,081 INFO L87 Difference]: Start difference. First operand 4536 states and 6453 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) [2023-11-12 00:08:46,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:08:48,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:08:50,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []