./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_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_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/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_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/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_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/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 24f4a9e8deb15b4814a8f35356cc754cf60b8f4e5ae2a0757193e7412afcca55 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:59:39,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:59:39,666 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:59:39,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:59:39,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:59:39,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:59:39,708 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:59:39,709 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:59:39,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:59:39,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:59:39,711 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:59:39,712 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:59:39,712 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:59:39,713 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:59:39,714 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:59:39,714 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:59:39,715 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:59:39,715 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:59:39,716 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:59:39,717 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:59:39,717 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:59:39,718 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:59:39,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:59:39,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:59:39,720 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:59:39,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:59:39,721 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:59:39,721 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:59:39,721 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:59:39,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:59:39,722 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:59:39,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:59:39,723 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:59:39,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:39,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:59:39,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:59:39,725 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:59:39,725 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:59:39,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:59:39,726 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:59:39,726 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:59:39,726 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:59:39,727 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_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24f4a9e8deb15b4814a8f35356cc754cf60b8f4e5ae2a0757193e7412afcca55 [2023-11-12 00:59:40,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:59:40,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:59:40,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:59:40,099 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:59:40,100 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:59:40,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-12 00:59:43,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:59:44,166 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:59:44,167 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-12 00:59:44,246 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/bin/utaipan-verify-NcY6lQBIFX/data/33cd6d0ad/f3b57ad0f5af40269321449d8e9be2c4/FLAGecf7d58e7 [2023-11-12 00:59:44,422 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/bin/utaipan-verify-NcY6lQBIFX/data/33cd6d0ad/f3b57ad0f5af40269321449d8e9be2c4 [2023-11-12 00:59:44,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:59:44,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:59:44,435 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:44,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:59:44,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:59:44,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:44" (1/1) ... [2023-11-12 00:59:44,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@de06c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:44, skipping insertion in model container [2023-11-12 00:59:44,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:44" (1/1) ... [2023-11-12 00:59:44,645 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:59:48,725 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_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[452690,452703] [2023-11-12 00:59:48,730 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_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[452837,452850] [2023-11-12 00:59:48,731 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_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[452976,452989] [2023-11-12 00:59:48,731 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_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[453134,453147] [2023-11-12 00:59:48,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:48,909 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:59:49,052 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 00:59:49,054 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 00:59:49,091 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 00:59:49,092 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 00:59:49,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6935] [2023-11-12 00:59:49,128 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)); [8019-8020] [2023-11-12 00:59:49,131 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/a068ef8/linux-usb-dev/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [8069-8070] [2023-11-12 00:59:49,131 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"); [8075-8077] [2023-11-12 00:59:49,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8195] [2023-11-12 00:59:49,135 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)); [8252-8253] [2023-11-12 00:59:49,137 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)); [8313] [2023-11-12 00:59:49,138 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)); [8321-8322] [2023-11-12 00:59:49,142 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)); [8397-8398] [2023-11-12 00:59:49,143 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)); [8431-8432] [2023-11-12 00:59:49,145 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)); [8472-8473] [2023-11-12 00:59:49,146 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)); [8501-8502] [2023-11-12 00:59:49,239 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)); [8943-8944] [2023-11-12 00:59:49,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8950] [2023-11-12 00:59:49,267 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9560] [2023-11-12 00:59:49,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9607] [2023-11-12 00:59:49,271 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9619] [2023-11-12 00:59:49,274 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)next_rxd) [9680] [2023-11-12 00:59:49,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10291] [2023-11-12 00:59:49,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [11930] [2023-11-12 00:59:49,439 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 *)"drivers/net/ethernet/intel/igbvf/netdev.c"), "i" (2086), "i" (12UL)); [11974-11975] [2023-11-12 00:59:49,441 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 *)"drivers/net/ethernet/intel/igbvf/netdev.c"), "i" (2109), "i" (12UL)); [12010-12011] [2023-11-12 00:59:49,446 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12125] [2023-11-12 00:59:49,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12129] [2023-11-12 00:59:49,558 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_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[452690,452703] [2023-11-12 00:59:49,558 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_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[452837,452850] [2023-11-12 00:59:49,560 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_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[452976,452989] [2023-11-12 00:59:49,560 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_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[453134,453147] [2023-11-12 00:59:49,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:49,973 WARN L672 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:59:49,973 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:59:49,981 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:59:49,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:49 WrapperNode [2023-11-12 00:59:49,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:49,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:49,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:59:49,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:59:49,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:49" (1/1) ... [2023-11-12 00:59:50,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:49" (1/1) ... [2023-11-12 00:59:50,505 INFO L138 Inliner]: procedures = 543, calls = 3389, calls flagged for inlining = 312, calls inlined = 287, statements flattened = 8912 [2023-11-12 00:59:50,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:50,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:59:50,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:59:50,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:59:50,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:49" (1/1) ... [2023-11-12 00:59:50,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:49" (1/1) ... [2023-11-12 00:59:50,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:49" (1/1) ... [2023-11-12 00:59:50,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:49" (1/1) ... [2023-11-12 00:59:50,754 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:49" (1/1) ... [2023-11-12 00:59:50,782 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:49" (1/1) ... [2023-11-12 00:59:50,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:49" (1/1) ... [2023-11-12 00:59:51,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:49" (1/1) ... [2023-11-12 00:59:51,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:59:51,068 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:59:51,068 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:59:51,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:59:51,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:49" (1/1) ... [2023-11-12 00:59:51,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:51,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:59:51,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:59:51,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a039ea6-d1a6-4e39-8a7c-59ebe819e972/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:59:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2023-11-12 00:59:51,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2023-11-12 00:59:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 00:59:51,147 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 00:59:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:59:51,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:59:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-11-12 00:59:51,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-11-12 00:59:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:59:51,149 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:59:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:59:51,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:59:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-12 00:59:51,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-12 00:59:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2023-11-12 00:59:51,150 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2023-11-12 00:59:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2023-11-12 00:59:51,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2023-11-12 00:59:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-12 00:59:51,150 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-12 00:59:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:59:51,151 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:59:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 00:59:51,151 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 00:59:51,152 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2023-11-12 00:59:51,152 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2023-11-12 00:59:51,152 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 00:59:51,153 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 00:59:51,153 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2023-11-12 00:59:51,154 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2023-11-12 00:59:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2023-11-12 00:59:51,155 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2023-11-12 00:59:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:59:51,155 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:59:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:59:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2023-11-12 00:59:51,156 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2023-11-12 00:59:51,156 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2023-11-12 00:59:51,156 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2023-11-12 00:59:51,156 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:59:51,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:59:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:59:51,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:59:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:59:51,157 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:59:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 00:59:51,158 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 00:59:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2023-11-12 00:59:51,158 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2023-11-12 00:59:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:59:51,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:59:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-12 00:59:51,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-12 00:59:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2023-11-12 00:59:51,160 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2023-11-12 00:59:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:59:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 00:59:51,161 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 00:59:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-12 00:59:51,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-12 00:59:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-12 00:59:51,163 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-12 00:59:51,163 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-11-12 00:59:51,163 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-11-12 00:59:51,163 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:59:51,163 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:59:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:59:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2023-11-12 00:59:51,164 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2023-11-12 00:59:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:59:51,164 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:59:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 00:59:51,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 00:59:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:59:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2023-11-12 00:59:51,166 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2023-11-12 00:59:51,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:59:51,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:59:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-12 00:59:51,167 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-12 00:59:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:59:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2023-11-12 00:59:51,168 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2023-11-12 00:59:51,168 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:59:51,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:59:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2023-11-12 00:59:51,169 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2023-11-12 00:59:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2023-11-12 00:59:51,169 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2023-11-12 00:59:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:59:51,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:59:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2023-11-12 00:59:51,170 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2023-11-12 00:59:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:59:51,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:59:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2023-11-12 00:59:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2023-11-12 00:59:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2023-11-12 00:59:51,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2023-11-12 00:59:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:59:51,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:59:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2023-11-12 00:59:51,173 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2023-11-12 00:59:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2023-11-12 00:59:51,174 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2023-11-12 00:59:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:59:51,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:59:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-12 00:59:51,175 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-12 00:59:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 00:59:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 00:59:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2023-11-12 00:59:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2023-11-12 00:59:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-12 00:59:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-12 00:59:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:59:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:59:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:59:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:59:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:59:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-12 00:59:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-12 00:59:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-12 00:59:51,189 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-12 00:59:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2023-11-12 00:59:51,190 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2023-11-12 00:59:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:59:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2023-11-12 00:59:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2023-11-12 00:59:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-12 00:59:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-12 00:59:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:59:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:59:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:59:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:59:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:59:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-12 00:59:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-12 00:59:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2023-11-12 00:59:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2023-11-12 00:59:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2023-11-12 00:59:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2023-11-12 00:59:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2023-11-12 00:59:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2023-11-12 00:59:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 00:59:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 00:59:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2023-11-12 00:59:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2023-11-12 00:59:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-12 00:59:51,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-12 00:59:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-12 00:59:51,195 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-12 00:59:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2023-11-12 00:59:51,195 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2023-11-12 00:59:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:59:51,196 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:59:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:59:51,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:59:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2023-11-12 00:59:51,196 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2023-11-12 00:59:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2023-11-12 00:59:51,197 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2023-11-12 00:59:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:59:51,197 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:59:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 00:59:51,197 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 00:59:51,198 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2023-11-12 00:59:51,198 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2023-11-12 00:59:51,198 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2023-11-12 00:59:51,198 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2023-11-12 00:59:51,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:59:51,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:59:51,199 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2023-11-12 00:59:51,199 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2023-11-12 00:59:51,199 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2023-11-12 00:59:51,199 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2023-11-12 00:59:51,199 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 00:59:51,199 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 00:59:51,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:59:51,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:59:51,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:59:51,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:59:51,201 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 00:59:51,201 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 00:59:51,201 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2023-11-12 00:59:51,202 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2023-11-12 00:59:51,202 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-12 00:59:51,203 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-12 00:59:51,204 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 00:59:51,204 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 00:59:51,204 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-12 00:59:51,204 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-12 00:59:51,204 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2023-11-12 00:59:51,205 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2023-11-12 00:59:51,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:59:51,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:59:51,205 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2023-11-12 00:59:51,205 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2023-11-12 00:59:51,205 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2023-11-12 00:59:51,206 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2023-11-12 00:59:51,206 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2023-11-12 00:59:51,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2023-11-12 00:59:51,206 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-12 00:59:51,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-12 00:59:51,206 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2023-11-12 00:59:51,206 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2023-11-12 00:59:51,207 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 00:59:51,207 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 00:59:51,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:59:51,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:59:51,207 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:59:51,207 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:59:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2023-11-12 00:59:51,208 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2023-11-12 00:59:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2023-11-12 00:59:51,208 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2023-11-12 00:59:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-12 00:59:51,208 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-12 00:59:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-12 00:59:51,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-12 00:59:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 00:59:51,209 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 00:59:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:59:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:59:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:59:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2023-11-12 00:59:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2023-11-12 00:59:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-12 00:59:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-12 00:59:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:59:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:59:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2023-11-12 00:59:51,211 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2023-11-12 00:59:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:59:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2023-11-12 00:59:51,211 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2023-11-12 00:59:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2023-11-12 00:59:51,212 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2023-11-12 00:59:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2023-11-12 00:59:51,212 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2023-11-12 00:59:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-12 00:59:51,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-12 00:59:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2023-11-12 00:59:51,217 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2023-11-12 00:59:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-12 00:59:51,218 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-12 00:59:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:59:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:59:51,218 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:59:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 00:59:51,220 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 00:59:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2023-11-12 00:59:51,220 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2023-11-12 00:59:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 00:59:51,221 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 00:59:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-12 00:59:51,221 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-12 00:59:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:59:51,221 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:59:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-12 00:59:51,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-12 00:59:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2023-11-12 00:59:51,222 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2023-11-12 00:59:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2023-11-12 00:59:51,222 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2023-11-12 00:59:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:59:51,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:59:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-12 00:59:51,223 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-12 00:59:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 00:59:51,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 00:59:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2023-11-12 00:59:51,223 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2023-11-12 00:59:51,224 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2023-11-12 00:59:51,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2023-11-12 00:59:51,224 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2023-11-12 00:59:51,224 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2023-11-12 00:59:51,224 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2023-11-12 00:59:51,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2023-11-12 00:59:51,224 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-12 00:59:51,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-12 00:59:51,225 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:59:51,225 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:59:51,225 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 00:59:51,225 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 00:59:51,225 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2023-11-12 00:59:51,225 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2023-11-12 00:59:51,226 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:59:51,226 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:59:51,226 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-12 00:59:51,226 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-12 00:59:51,226 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2023-11-12 00:59:51,226 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2023-11-12 00:59:51,227 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:59:51,227 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:59:51,227 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2023-11-12 00:59:51,227 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2023-11-12 00:59:51,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:59:51,227 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2023-11-12 00:59:51,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2023-11-12 00:59:51,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:59:51,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:59:51,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 00:59:51,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 00:59:51,228 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2023-11-12 00:59:51,228 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2023-11-12 00:59:51,229 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 00:59:51,229 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 00:59:51,229 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 00:59:51,229 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 00:59:51,229 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2023-11-12 00:59:51,229 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2023-11-12 00:59:51,230 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2023-11-12 00:59:51,230 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2023-11-12 00:59:51,230 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2023-11-12 00:59:51,230 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2023-11-12 00:59:51,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2023-11-12 00:59:51,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2023-11-12 00:59:51,230 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2023-11-12 00:59:51,231 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2023-11-12 00:59:51,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:59:51,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:59:51,231 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2023-11-12 00:59:51,231 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2023-11-12 00:59:51,231 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-12 00:59:51,231 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-12 00:59:51,232 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 00:59:51,232 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 00:59:51,232 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2023-11-12 00:59:51,232 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2023-11-12 00:59:51,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-11-12 00:59:51,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-11-12 00:59:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-12 00:59:51,233 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-12 00:59:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2023-11-12 00:59:51,233 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2023-11-12 00:59:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 00:59:51,233 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 00:59:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:59:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-12 00:59:51,234 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-12 00:59:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:59:51,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:59:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-12 00:59:52,563 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:59:52,575 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:59:52,999 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 01:00:01,722 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 01:00:02,077 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:00:07,314 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:00:07,315 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 01:00:07,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:07 BoogieIcfgContainer [2023-11-12 01:00:07,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:00:07,327 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:00:07,328 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:00:07,332 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:00:07,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:59:44" (1/3) ... [2023-11-12 01:00:07,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@437e502c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:07, skipping insertion in model container [2023-11-12 01:00:07,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:49" (2/3) ... [2023-11-12 01:00:07,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@437e502c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:07, skipping insertion in model container [2023-11-12 01:00:07,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:07" (3/3) ... [2023-11-12 01:00:07,338 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-12 01:00:07,362 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:00:07,363 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-12 01:00:07,490 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:00:07,499 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;@14d6a2ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:00:07,500 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-12 01:00:07,516 INFO L276 IsEmpty]: Start isEmpty. Operand has 2335 states, 1383 states have (on average 1.2740419378163412) internal successors, (1762), 1425 states have internal predecessors, (1762), 788 states have call successors, (788), 163 states have call predecessors, (788), 162 states have return successors, (780), 766 states have call predecessors, (780), 780 states have call successors, (780) [2023-11-12 01:00:07,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2023-11-12 01:00:07,568 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:07,569 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] [2023-11-12 01:00:07,570 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:00:07,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:07,581 INFO L85 PathProgramCache]: Analyzing trace with hash -648027657, now seen corresponding path program 1 times [2023-11-12 01:00:07,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:07,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157575913] [2023-11-12 01:00:07,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:07,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:09,095 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 01:00:09,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:00:09,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157575913] [2023-11-12 01:00:09,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157575913] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:09,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:09,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:00:09,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364029084] [2023-11-12 01:00:09,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:09,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:00:09,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:00:09,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:00:09,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:00:09,150 INFO L87 Difference]: Start difference. First operand has 2335 states, 1383 states have (on average 1.2740419378163412) internal successors, (1762), 1425 states have internal predecessors, (1762), 788 states have call successors, (788), 163 states have call predecessors, (788), 162 states have return successors, (780), 766 states have call predecessors, (780), 780 states have call successors, (780) 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, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-12 01:00:11,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:00:14,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:00:15,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:00:18,676 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 [] [2023-11-12 01:00:20,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:00:20,322 INFO L93 Difference]: Finished difference Result 6843 states and 9761 transitions. [2023-11-12 01:00:20,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:00:20,326 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, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 260 [2023-11-12 01:00:20,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:00:20,417 INFO L225 Difference]: With dead ends: 6843 [2023-11-12 01:00:20,418 INFO L226 Difference]: Without dead ends: 4543 [2023-11-12 01:00:20,448 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 01:00:20,454 INFO L413 NwaCegarLoop]: 2869 mSDtfsCounter, 3193 mSDsluCounter, 2819 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3193 SdHoareTripleChecker+Valid, 5688 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2023-11-12 01:00:20,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3193 Valid, 5688 Invalid, 953 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2023-11-12 01:00:20,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4543 states. [2023-11-12 01:00:20,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4543 to 4541. [2023-11-12 01:00:20,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4541 states, 2704 states have (on average 1.2699704142011834) internal successors, (3434), 2783 states have internal predecessors, (3434), 1514 states have call successors, (1514), 322 states have call predecessors, (1514), 321 states have return successors, (1511), 1483 states have call predecessors, (1511), 1511 states have call successors, (1511) [2023-11-12 01:00:21,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4541 states to 4541 states and 6459 transitions. [2023-11-12 01:00:21,053 INFO L78 Accepts]: Start accepts. Automaton has 4541 states and 6459 transitions. Word has length 260 [2023-11-12 01:00:21,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:00:21,060 INFO L495 AbstractCegarLoop]: Abstraction has 4541 states and 6459 transitions. [2023-11-12 01:00:21,060 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, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-12 01:00:21,061 INFO L276 IsEmpty]: Start isEmpty. Operand 4541 states and 6459 transitions. [2023-11-12 01:00:21,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2023-11-12 01:00:21,078 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:21,079 INFO L195 NwaCegarLoop]: trace histogram [25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:00:21,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 01:00:21,080 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:00:21,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:21,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1339758274, now seen corresponding path program 1 times [2023-11-12 01:00:21,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:21,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804885286] [2023-11-12 01:00:21,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:21,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:22,324 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 01:00:22,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:00:22,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804885286] [2023-11-12 01:00:22,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804885286] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:22,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:22,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:00:22,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978866800] [2023-11-12 01:00:22,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:22,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:00:22,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:00:22,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:00:22,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:00:22,333 INFO L87 Difference]: Start difference. First operand 4541 states and 6459 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-12 01:00:24,900 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 []