./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657732eb-5a60-44cb-90e5-357e35e5a5fb/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657732eb-5a60-44cb-90e5-357e35e5a5fb/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657732eb-5a60-44cb-90e5-357e35e5a5fb/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657732eb-5a60-44cb-90e5-357e35e5a5fb/bin/utaipan-verify-mE87zJ7Ire/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_657732eb-5a60-44cb-90e5-357e35e5a5fb/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657732eb-5a60-44cb-90e5-357e35e5a5fb/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 24f4a9e8deb15b4814a8f35356cc754cf60b8f4e5ae2a0757193e7412afcca55 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:46,536 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:46,611 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657732eb-5a60-44cb-90e5-357e35e5a5fb/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:14:46,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:46,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:46,668 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:46,669 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:46,669 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:46,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:46,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:46,671 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:46,672 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:46,673 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:46,673 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:14:46,674 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:46,674 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:46,675 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:14:46,676 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:14:46,676 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:46,677 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:14:46,677 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:14:46,682 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:14:46,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:46,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:46,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:14:46,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:46,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:46,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:46,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:46,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:46,698 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:46,698 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:46,698 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:46,698 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:46,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:46,699 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:46,699 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:46,700 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:46,700 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:14:46,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:14:46,701 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:46,701 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:46,701 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:46,702 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:46,702 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_657732eb-5a60-44cb-90e5-357e35e5a5fb/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657732eb-5a60-44cb-90e5-357e35e5a5fb/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24f4a9e8deb15b4814a8f35356cc754cf60b8f4e5ae2a0757193e7412afcca55 [2023-11-23 21:14:47,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:47,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:47,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:47,061 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:47,062 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:47,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657732eb-5a60-44cb-90e5-357e35e5a5fb/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-23 21:14:50,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:51,132 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:51,132 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657732eb-5a60-44cb-90e5-357e35e5a5fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-23 21:14:51,202 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657732eb-5a60-44cb-90e5-357e35e5a5fb/bin/utaipan-verify-mE87zJ7Ire/data/f76c9e50b/a66fe2ed2bbc4773bb41b498d3bc0d92/FLAG7e60ece06 [2023-11-23 21:14:51,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657732eb-5a60-44cb-90e5-357e35e5a5fb/bin/utaipan-verify-mE87zJ7Ire/data/f76c9e50b/a66fe2ed2bbc4773bb41b498d3bc0d92 [2023-11-23 21:14:51,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:51,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:51,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:51,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:51,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:51,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:51" (1/1) ... [2023-11-23 21:14:51,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b418080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:51, skipping insertion in model container [2023-11-23 21:14:51,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:51" (1/1) ... [2023-11-23 21:14:51,467 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:55,786 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_657732eb-5a60-44cb-90e5-357e35e5a5fb/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] [2023-11-23 21:14:55,789 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_657732eb-5a60-44cb-90e5-357e35e5a5fb/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] [2023-11-23 21:14:55,790 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657732eb-5a60-44cb-90e5-357e35e5a5fb/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] [2023-11-23 21:14:55,791 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_657732eb-5a60-44cb-90e5-357e35e5a5fb/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] [2023-11-23 21:14:55,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:55,998 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:56,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6262] [2023-11-23 21:14:56,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6269] [2023-11-23 21:14:56,233 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] [2023-11-23 21:14:56,233 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] [2023-11-23 21:14:56,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6935] [2023-11-23 21:14:56,269 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] [2023-11-23 21:14:56,271 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] [2023-11-23 21:14:56,272 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] [2023-11-23 21:14:56,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8195] [2023-11-23 21:14:56,277 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] [2023-11-23 21:14:56,279 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] [2023-11-23 21:14:56,280 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] [2023-11-23 21:14:56,339 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] [2023-11-23 21:14:56,341 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] [2023-11-23 21:14:56,342 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] [2023-11-23 21:14:56,343 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] [2023-11-23 21:14:56,360 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] [2023-11-23 21:14:56,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8950] [2023-11-23 21:14:56,390 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9560] [2023-11-23 21:14:56,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9607] [2023-11-23 21:14:56,395 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9619] [2023-11-23 21:14:56,398 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)next_rxd) [9680] [2023-11-23 21:14:56,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10291] [2023-11-23 21:14:56,535 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [11930] [2023-11-23 21:14:56,537 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] [2023-11-23 21:14:56,538 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] [2023-11-23 21:14:56,542 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12125] [2023-11-23 21:14:56,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12129] [2023-11-23 21:14:56,683 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_657732eb-5a60-44cb-90e5-357e35e5a5fb/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] [2023-11-23 21:14:56,683 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_657732eb-5a60-44cb-90e5-357e35e5a5fb/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] [2023-11-23 21:14:56,684 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_657732eb-5a60-44cb-90e5-357e35e5a5fb/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] [2023-11-23 21:14:56,685 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_657732eb-5a60-44cb-90e5-357e35e5a5fb/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] [2023-11-23 21:14:56,697 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:57,085 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:57,085 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:57,095 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:57,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:57 WrapperNode [2023-11-23 21:14:57,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:57,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:57,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:57,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:57,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:57" (1/1) ... [2023-11-23 21:14:57,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:57" (1/1) ... [2023-11-23 21:14:57,597 INFO L138 Inliner]: procedures = 543, calls = 3389, calls flagged for inlining = 312, calls inlined = 287, statements flattened = 8912 [2023-11-23 21:14:57,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:57,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:57,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:57,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:57,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:57" (1/1) ... [2023-11-23 21:14:57,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:57" (1/1) ... [2023-11-23 21:14:57,659 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:57" (1/1) ... [2023-11-23 21:14:57,660 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:57" (1/1) ... [2023-11-23 21:14:57,989 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:57" (1/1) ... [2023-11-23 21:14:58,024 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:57" (1/1) ... [2023-11-23 21:14:58,077 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:57" (1/1) ... [2023-11-23 21:14:58,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:57" (1/1) ... [2023-11-23 21:14:58,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:58,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:58,163 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:58,163 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:58,164 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:57" (1/1) ... [2023-11-23 21:14:58,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:58,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657732eb-5a60-44cb-90e5-357e35e5a5fb/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:58,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657732eb-5a60-44cb-90e5-357e35e5a5fb/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:58,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657732eb-5a60-44cb-90e5-357e35e5a5fb/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2023-11-23 21:14:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2023-11-23 21:14:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 21:14:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 21:14:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:14:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:14:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-11-23 21:14:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-11-23 21:14:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:14:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:14:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:14:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:14:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-23 21:14:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-23 21:14:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2023-11-23 21:14:58,241 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2023-11-23 21:14:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2023-11-23 21:14:58,241 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2023-11-23 21:14:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-23 21:14:58,241 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-23 21:14:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:14:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:14:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 21:14:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 21:14:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2023-11-23 21:14:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2023-11-23 21:14:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-23 21:14:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-23 21:14:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2023-11-23 21:14:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2023-11-23 21:14:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2023-11-23 21:14:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2023-11-23 21:14:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:14:58,244 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:14:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:14:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2023-11-23 21:14:58,244 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2023-11-23 21:14:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2023-11-23 21:14:58,244 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2023-11-23 21:14:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:14:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:14:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:14:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:14:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:14:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:14:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-23 21:14:58,246 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-23 21:14:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2023-11-23 21:14:58,246 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2023-11-23 21:14:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:14:58,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:14:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-23 21:14:58,247 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-23 21:14:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2023-11-23 21:14:58,247 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2023-11-23 21:14:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:14:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-23 21:14:58,248 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-23 21:14:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-23 21:14:58,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-23 21:14:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-23 21:14:58,248 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-23 21:14:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-11-23 21:14:58,249 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-11-23 21:14:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:14:58,249 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:14:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:14:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2023-11-23 21:14:58,249 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2023-11-23 21:14:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:14:58,250 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:14:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:14:58,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:14:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:14:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2023-11-23 21:14:58,250 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2023-11-23 21:14:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:14:58,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:14:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 21:14:58,251 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 21:14:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:14:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2023-11-23 21:14:58,251 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2023-11-23 21:14:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:14:58,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:14:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2023-11-23 21:14:58,252 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2023-11-23 21:14:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2023-11-23 21:14:58,252 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2023-11-23 21:14:58,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:14:58,253 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:14:58,253 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2023-11-23 21:14:58,253 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2023-11-23 21:14:58,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 21:14:58,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 21:14:58,253 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2023-11-23 21:14:58,254 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2023-11-23 21:14:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2023-11-23 21:14:58,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2023-11-23 21:14:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:14:58,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:14:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2023-11-23 21:14:58,255 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2023-11-23 21:14:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2023-11-23 21:14:58,255 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2023-11-23 21:14:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:14:58,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:14:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-23 21:14:58,256 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-23 21:14:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:14:58,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:14:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2023-11-23 21:14:58,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2023-11-23 21:14:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-23 21:14:58,257 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-23 21:14:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:14:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:14:58,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:14:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:14:58,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:14:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-23 21:14:58,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-23 21:14:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-23 21:14:58,258 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-23 21:14:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2023-11-23 21:14:58,258 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2023-11-23 21:14:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2023-11-23 21:14:58,259 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2023-11-23 21:14:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-23 21:14:58,259 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-23 21:14:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:14:58,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:14:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:14:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:14:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:14:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-23 21:14:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-23 21:14:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2023-11-23 21:14:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2023-11-23 21:14:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2023-11-23 21:14:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2023-11-23 21:14:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2023-11-23 21:14:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2023-11-23 21:14:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 21:14:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 21:14:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2023-11-23 21:14:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2023-11-23 21:14:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-23 21:14:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-23 21:14:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-23 21:14:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-23 21:14:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2023-11-23 21:14:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2023-11-23 21:14:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:14:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:14:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 21:14:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 21:14:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2023-11-23 21:14:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2023-11-23 21:14:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2023-11-23 21:14:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2023-11-23 21:14:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:14:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:14:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-23 21:14:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-23 21:14:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2023-11-23 21:14:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2023-11-23 21:14:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2023-11-23 21:14:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2023-11-23 21:14:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2023-11-23 21:14:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2023-11-23 21:14:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2023-11-23 21:14:58,266 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2023-11-23 21:14:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:14:58,266 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:14:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:14:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:14:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:14:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:14:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-23 21:14:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-23 21:14:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2023-11-23 21:14:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2023-11-23 21:14:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-23 21:14:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-23 21:14:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-23 21:14:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-23 21:14:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-23 21:14:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-23 21:14:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2023-11-23 21:14:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2023-11-23 21:14:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 21:14:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 21:14:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2023-11-23 21:14:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2023-11-23 21:14:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2023-11-23 21:14:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2023-11-23 21:14:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2023-11-23 21:14:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2023-11-23 21:14:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-23 21:14:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-23 21:14:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2023-11-23 21:14:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2023-11-23 21:14:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 21:14:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 21:14:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:14:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:14:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:14:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:14:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2023-11-23 21:14:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2023-11-23 21:14:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2023-11-23 21:14:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2023-11-23 21:14:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-23 21:14:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-23 21:14:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-23 21:14:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-23 21:14:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-23 21:14:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-23 21:14:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:14:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:14:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:14:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2023-11-23 21:14:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2023-11-23 21:14:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-23 21:14:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-23 21:14:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-23 21:14:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-23 21:14:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2023-11-23 21:14:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2023-11-23 21:14:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:14:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2023-11-23 21:14:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2023-11-23 21:14:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2023-11-23 21:14:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2023-11-23 21:14:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2023-11-23 21:14:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2023-11-23 21:14:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-23 21:14:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-23 21:14:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2023-11-23 21:14:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2023-11-23 21:14:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-23 21:14:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-23 21:14:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:14:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:14:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:14:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:14:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:14:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2023-11-23 21:14:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2023-11-23 21:14:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:14:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:14:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-23 21:14:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-23 21:14:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:14:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:14:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-23 21:14:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-23 21:14:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2023-11-23 21:14:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2023-11-23 21:14:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2023-11-23 21:14:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2023-11-23 21:14:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:14:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:14:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-23 21:14:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-23 21:14:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:14:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:14:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2023-11-23 21:14:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2023-11-23 21:14:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2023-11-23 21:14:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2023-11-23 21:14:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2023-11-23 21:14:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2023-11-23 21:14:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2023-11-23 21:14:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2023-11-23 21:14:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-23 21:14:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-23 21:14:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:14:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:14:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-23 21:14:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-23 21:14:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2023-11-23 21:14:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2023-11-23 21:14:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:14:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:14:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-23 21:14:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-23 21:14:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2023-11-23 21:14:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2023-11-23 21:14:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:14:58,284 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:14:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2023-11-23 21:14:58,284 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2023-11-23 21:14:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:14:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2023-11-23 21:14:58,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2023-11-23 21:14:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:14:58,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:14:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-23 21:14:58,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-23 21:14:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2023-11-23 21:14:58,285 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2023-11-23 21:14:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-23 21:14:58,285 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-23 21:14:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-23 21:14:58,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-23 21:14:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2023-11-23 21:14:58,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2023-11-23 21:14:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2023-11-23 21:14:58,286 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2023-11-23 21:14:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2023-11-23 21:14:58,286 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2023-11-23 21:14:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2023-11-23 21:14:58,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2023-11-23 21:14:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2023-11-23 21:14:58,287 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2023-11-23 21:14:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:14:58,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:14:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2023-11-23 21:14:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2023-11-23 21:14:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-23 21:14:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-23 21:14:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-23 21:14:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-23 21:14:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2023-11-23 21:14:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2023-11-23 21:14:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-11-23 21:14:58,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-11-23 21:14:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-23 21:14:58,289 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-23 21:14:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2023-11-23 21:14:58,289 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2023-11-23 21:14:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 21:14:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 21:14:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:14:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-23 21:14:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-23 21:14:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:14:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:14:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-23 21:14:59,674 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:59,681 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:15:00,101 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:15:10,526 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:15:10,849 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:15:15,128 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:15:15,128 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:15:15,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:15 BoogieIcfgContainer [2023-11-23 21:15:15,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:15:15,136 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:15:15,136 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:15:15,139 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:15:15,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:51" (1/3) ... [2023-11-23 21:15:15,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5936e4bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:15, skipping insertion in model container [2023-11-23 21:15:15,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:57" (2/3) ... [2023-11-23 21:15:15,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5936e4bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:15, skipping insertion in model container [2023-11-23 21:15:15,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:15" (3/3) ... [2023-11-23 21:15:15,143 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-23 21:15:15,163 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:15:15,163 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 21:15:15,279 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:15:15,289 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;@6aaef2f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:15:15,289 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 21:15:15,305 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) [2023-11-23 21:15:15,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2023-11-23 21:15:15,356 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:15,357 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] [2023-11-23 21:15:15,358 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:15,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:15,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1776110844, now seen corresponding path program 1 times [2023-11-23 21:15:15,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:15,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392482191] [2023-11-23 21:15:15,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:15,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:16,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2023-11-23 21:15:16,890 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:16,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392482191] [2023-11-23 21:15:16,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392482191] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:16,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:16,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:15:16,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603036659] [2023-11-23 21:15:16,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:16,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:15:16,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:16,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:15:16,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:16,940 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) [2023-11-23 21:15:21,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:25,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:26,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:26,579 INFO L93 Difference]: Finished difference Result 6843 states and 9761 transitions. [2023-11-23 21:15:26,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:15:26,582 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 [2023-11-23 21:15:26,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:26,644 INFO L225 Difference]: With dead ends: 6843 [2023-11-23 21:15:26,644 INFO L226 Difference]: Without dead ends: 4543 [2023-11-23 21:15:26,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:26,669 INFO L413 NwaCegarLoop]: 2869 mSDtfsCounter, 3193 mSDsluCounter, 2819 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3193 SdHoareTripleChecker+Valid, 5688 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:26,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3193 Valid, 5688 Invalid, 954 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 946 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2023-11-23 21:15:26,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4543 states. [2023-11-23 21:15:27,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4543 to 4541. [2023-11-23 21:15:27,187 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) [2023-11-23 21:15:27,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4541 states to 4541 states and 6459 transitions. [2023-11-23 21:15:27,252 INFO L78 Accepts]: Start accepts. Automaton has 4541 states and 6459 transitions. Word has length 260 [2023-11-23 21:15:27,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:27,257 INFO L495 AbstractCegarLoop]: Abstraction has 4541 states and 6459 transitions. [2023-11-23 21:15:27,260 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) [2023-11-23 21:15:27,260 INFO L276 IsEmpty]: Start isEmpty. Operand 4541 states and 6459 transitions. [2023-11-23 21:15:27,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2023-11-23 21:15:27,275 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:27,276 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] [2023-11-23 21:15:27,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:15:27,277 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:27,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:27,278 INFO L85 PathProgramCache]: Analyzing trace with hash -2085554321, now seen corresponding path program 1 times [2023-11-23 21:15:27,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:27,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133478544] [2023-11-23 21:15:27,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:27,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:28,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2023-11-23 21:15:28,071 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:28,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133478544] [2023-11-23 21:15:28,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133478544] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:28,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:28,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:15:28,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107642498] [2023-11-23 21:15:28,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:28,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:15:28,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:28,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:15:28,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:28,076 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) [2023-11-23 21:15:32,592 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 []