./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.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_76eaf0e9-61d5-4c26-bee5-9c737778fec4/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76eaf0e9-61d5-4c26-bee5-9c737778fec4/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76eaf0e9-61d5-4c26-bee5-9c737778fec4/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76eaf0e9-61d5-4c26-bee5-9c737778fec4/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76eaf0e9-61d5-4c26-bee5-9c737778fec4/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76eaf0e9-61d5-4c26-bee5-9c737778fec4/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:03:09,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:03:09,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76eaf0e9-61d5-4c26-bee5-9c737778fec4/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:03:09,597 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:03:09,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:03:09,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:03:09,643 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:03:09,644 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:03:09,645 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:03:09,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:03:09,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:03:09,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:03:09,652 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:03:09,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:03:09,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:03:09,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:03:09,656 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:03:09,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:03:09,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:03:09,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:03:09,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:03:09,658 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:03:09,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:03:09,659 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:03:09,660 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:03:09,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:03:09,661 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:03:09,661 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:03:09,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:03:09,662 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:03:09,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:03:09,663 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:03:09,664 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:03:09,664 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:03:09,664 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:03:09,664 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:03:09,665 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_76eaf0e9-61d5-4c26-bee5-9c737778fec4/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76eaf0e9-61d5-4c26-bee5-9c737778fec4/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 [2023-11-12 02:03:10,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:03:10,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:03:10,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:03:10,049 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:03:10,050 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:03:10,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76eaf0e9-61d5-4c26-bee5-9c737778fec4/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2023-11-12 02:03:13,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:03:14,225 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:03:14,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76eaf0e9-61d5-4c26-bee5-9c737778fec4/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2023-11-12 02:03:14,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76eaf0e9-61d5-4c26-bee5-9c737778fec4/bin/uautomizer-verify-uTZkv6EMXl/data/00d981b28/51df02591b3f4ceeb067b6f69baed6f1/FLAGd3b3ccf3b [2023-11-12 02:03:14,347 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76eaf0e9-61d5-4c26-bee5-9c737778fec4/bin/uautomizer-verify-uTZkv6EMXl/data/00d981b28/51df02591b3f4ceeb067b6f69baed6f1 [2023-11-12 02:03:14,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:03:14,355 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:03:14,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:14,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:03:14,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:03:14,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:14" (1/1) ... [2023-11-12 02:03:14,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee2a049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:14, skipping insertion in model container [2023-11-12 02:03:14,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:14" (1/1) ... [2023-11-12 02:03:14,715 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:03:19,902 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_76eaf0e9-61d5-4c26-bee5-9c737778fec4/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2023-11-12 02:03:19,905 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_76eaf0e9-61d5-4c26-bee5-9c737778fec4/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2023-11-12 02:03:19,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:03:20,003 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:03:20,165 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"); [6268] [2023-11-12 02:03:20,167 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)); [6275] [2023-11-12 02:03:20,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6282] [2023-11-12 02:03:20,170 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/dfaa16b/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6325-6326] [2023-11-12 02:03:20,171 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"); [6331-6333] [2023-11-12 02:03:20,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6398] [2023-11-12 02:03:20,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6405] [2023-11-12 02:03:20,174 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)); [6448] [2023-11-12 02:03:20,175 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)); [6456-6457] [2023-11-12 02:03:20,179 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)); [6530-6531] [2023-11-12 02:03:20,180 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)); [6564-6565] [2023-11-12 02:03:20,182 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)); [6605-6606] [2023-11-12 02:03:20,183 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)); [6634-6635] [2023-11-12 02:03:20,194 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)); [7069-7070] [2023-11-12 02:03:20,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7076] [2023-11-12 02:03:20,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9121] [2023-11-12 02:03:20,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [9140] [2023-11-12 02:03:20,282 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9718] [2023-11-12 02:03:20,284 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [9774] [2023-11-12 02:03:20,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9910] [2023-11-12 02:03:20,290 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9914] [2023-11-12 02:03:20,290 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)next_rxd) [9923] [2023-11-12 02:03:20,291 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)next2_buffer) [9932] [2023-11-12 02:03:20,297 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10115] [2023-11-12 02:03:20,463 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/ixgb/ixgb_hw.c"), "i" (531), "i" (12UL)); [13444-13445] [2023-11-12 02:03:20,470 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/ixgb/ixgb_hw.c"), "i" (689), "i" (12UL)); [13611-13612] [2023-11-12 02:03:20,472 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/ixgb/ixgb_hw.c"), "i" (748), "i" (12UL)); [13668-13669] [2023-11-12 02:03:20,473 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/ixgb/ixgb_hw.c"), "i" (749), "i" (12UL)); [13679-13680] [2023-11-12 02:03:20,473 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/ixgb/ixgb_hw.c"), "i" (750), "i" (12UL)); [13690-13691] [2023-11-12 02:03:20,474 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/ixgb/ixgb_hw.c"), "i" (777), "i" (12UL)); [13723-13724] [2023-11-12 02:03:20,475 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/ixgb/ixgb_hw.c"), "i" (804), "i" (12UL)); [13756-13757] [2023-11-12 02:03:20,477 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/ixgb/ixgb_hw.c"), "i" (841), "i" (12UL)); [13786-13787] [2023-11-12 02:03:20,477 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/ixgb/ixgb_hw.c"), "i" (842), "i" (12UL)); [13797-13798] [2023-11-12 02:03:20,478 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/ixgb/ixgb_hw.c"), "i" (843), "i" (12UL)); [13808-13809] [2023-11-12 02:03:20,486 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/ixgb/ixgb_hw.c"), "i" (873), "i" (12UL)); [13842-13843] [2023-11-12 02:03:20,489 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/ixgb/ixgb_hw.c"), "i" (900), "i" (12UL)); [13875-13876] [2023-11-12 02:03:20,520 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/ixgb/ixgb_ee.c"), "i" (312), "i" (12UL)); [14682-14683] [2023-11-12 02:03:20,584 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/ixgb/ixgb_param.c"), "i" (242), "i" (12UL)); [16545-16546] [2023-11-12 02:03:20,628 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_76eaf0e9-61d5-4c26-bee5-9c737778fec4/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2023-11-12 02:03:20,628 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_76eaf0e9-61d5-4c26-bee5-9c737778fec4/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2023-11-12 02:03:20,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:03:21,031 WARN L672 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:03:21,040 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:03:21,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:21 WrapperNode [2023-11-12 02:03:21,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:21,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:03:21,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:03:21,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:03:21,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:21" (1/1) ... [2023-11-12 02:03:21,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:21" (1/1) ... [2023-11-12 02:03:21,874 INFO L138 Inliner]: procedures = 574, calls = 6432, calls flagged for inlining = 280, calls inlined = 247, statements flattened = 13150 [2023-11-12 02:03:21,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:03:21,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:03:21,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:03:21,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:03:21,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:21" (1/1) ... [2023-11-12 02:03:21,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:21" (1/1) ... [2023-11-12 02:03:22,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:21" (1/1) ... [2023-11-12 02:03:22,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:21" (1/1) ... [2023-11-12 02:03:22,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:21" (1/1) ... [2023-11-12 02:03:22,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:21" (1/1) ... [2023-11-12 02:03:22,518 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:21" (1/1) ... [2023-11-12 02:03:22,545 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:21" (1/1) ... [2023-11-12 02:03:22,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:03:22,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:03:22,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:03:22,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:03:22,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:21" (1/1) ... [2023-11-12 02:03:22,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:03:22,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76eaf0e9-61d5-4c26-bee5-9c737778fec4/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:22,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76eaf0e9-61d5-4c26-bee5-9c737778fec4/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:22,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76eaf0e9-61d5-4c26-bee5-9c737778fec4/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:03:22,750 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 02:03:22,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 02:03:22,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:03:22,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:03:22,752 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 02:03:22,752 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 02:03:22,752 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2023-11-12 02:03:22,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2023-11-12 02:03:22,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:03:22,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:03:22,752 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2023-11-12 02:03:22,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2023-11-12 02:03:22,753 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-12 02:03:22,753 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-12 02:03:22,753 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 02:03:22,753 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 02:03:22,753 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-12 02:03:22,753 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-12 02:03:22,754 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 02:03:22,754 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 02:03:22,754 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2023-11-12 02:03:22,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2023-11-12 02:03:22,754 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2023-11-12 02:03:22,754 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2023-11-12 02:03:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2023-11-12 02:03:22,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2023-11-12 02:03:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2023-11-12 02:03:22,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2023-11-12 02:03:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 02:03:22,756 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 02:03:22,756 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-12 02:03:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-12 02:03:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2023-11-12 02:03:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2023-11-12 02:03:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2023-11-12 02:03:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2023-11-12 02:03:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 02:03:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 02:03:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 02:03:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 02:03:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 02:03:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 02:03:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 02:03:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 02:03:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2023-11-12 02:03:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2023-11-12 02:03:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 02:03:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 02:03:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 02:03:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 02:03:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:03:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 02:03:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 02:03:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2023-11-12 02:03:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2023-11-12 02:03:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 02:03:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 02:03:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2023-11-12 02:03:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2023-11-12 02:03:22,763 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 02:03:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 02:03:22,763 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-12 02:03:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-12 02:03:22,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:03:22,763 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2023-11-12 02:03:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2023-11-12 02:03:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2023-11-12 02:03:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2023-11-12 02:03:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:03:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:03:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2023-11-12 02:03:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2023-11-12 02:03:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:03:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 02:03:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 02:03:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2023-11-12 02:03:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2023-11-12 02:03:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2023-11-12 02:03:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2023-11-12 02:03:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:03:22,767 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2023-11-12 02:03:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2023-11-12 02:03:22,767 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 02:03:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 02:03:22,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-12 02:03:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-12 02:03:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 02:03:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 02:03:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 02:03:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 02:03:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2023-11-12 02:03:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2023-11-12 02:03:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 02:03:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 02:03:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 02:03:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 02:03:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 02:03:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 02:03:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2023-11-12 02:03:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2023-11-12 02:03:22,772 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-12 02:03:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-12 02:03:22,772 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 02:03:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 02:03:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2023-11-12 02:03:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2023-11-12 02:03:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2023-11-12 02:03:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2023-11-12 02:03:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2023-11-12 02:03:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2023-11-12 02:03:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:03:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-12 02:03:22,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-12 02:03:22,775 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-12 02:03:22,775 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-12 02:03:22,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:03:22,925 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-12 02:03:22,926 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-12 02:03:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 02:03:22,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 02:03:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 02:03:22,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 02:03:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:03:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:03:22,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:03:22,927 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2023-11-12 02:03:22,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2023-11-12 02:03:22,927 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2023-11-12 02:03:22,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2023-11-12 02:03:22,927 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:03:22,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:03:22,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-12 02:03:22,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-12 02:03:22,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-12 02:03:22,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-12 02:03:22,928 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2023-11-12 02:03:22,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2023-11-12 02:03:22,928 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 02:03:22,928 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 02:03:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2023-11-12 02:03:22,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2023-11-12 02:03:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2023-11-12 02:03:22,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2023-11-12 02:03:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2023-11-12 02:03:22,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2023-11-12 02:03:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-12 02:03:22,930 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-12 02:03:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:03:22,930 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:03:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 02:03:22,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 02:03:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2023-11-12 02:03:22,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2023-11-12 02:03:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2023-11-12 02:03:22,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2023-11-12 02:03:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2023-11-12 02:03:22,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2023-11-12 02:03:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 02:03:22,931 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 02:03:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 02:03:22,932 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 02:03:22,932 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2023-11-12 02:03:22,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2023-11-12 02:03:22,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:03:22,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:03:22,944 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2023-11-12 02:03:22,945 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2023-11-12 02:03:22,945 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 02:03:22,945 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 02:03:22,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:03:22,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:03:22,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:03:22,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:03:22,946 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 02:03:22,946 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 02:03:22,946 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 02:03:22,946 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 02:03:22,946 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-12 02:03:22,946 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-12 02:03:22,946 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2023-11-12 02:03:22,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2023-11-12 02:03:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 02:03:22,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 02:03:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2023-11-12 02:03:22,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2023-11-12 02:03:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-12 02:03:22,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-12 02:03:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:03:22,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:03:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 02:03:22,948 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 02:03:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2023-11-12 02:03:22,948 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2023-11-12 02:03:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2023-11-12 02:03:22,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2023-11-12 02:03:22,949 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-12 02:03:22,949 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-12 02:03:22,949 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-12 02:03:22,949 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-12 02:03:22,949 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 02:03:22,949 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 02:03:22,949 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-12 02:03:22,949 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-12 02:03:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:03:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-12 02:03:22,950 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-12 02:03:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 02:03:22,950 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 02:03:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:03:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-12 02:03:22,951 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-12 02:03:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:03:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:03:22,951 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:03:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 02:03:22,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 02:03:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-12 02:03:22,952 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-12 02:03:22,952 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 02:03:22,952 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 02:03:22,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 02:03:22,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 02:03:22,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 02:03:22,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 02:03:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2023-11-12 02:03:22,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2023-11-12 02:03:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2023-11-12 02:03:22,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2023-11-12 02:03:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-12 02:03:22,953 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-12 02:03:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-11-12 02:03:22,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-11-12 02:03:22,954 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 02:03:22,954 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 02:03:22,954 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 02:03:22,954 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 02:03:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2023-11-12 02:03:22,955 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2023-11-12 02:03:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 02:03:22,955 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 02:03:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2023-11-12 02:03:22,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2023-11-12 02:03:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-12 02:03:22,961 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-12 02:03:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:03:22,961 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:03:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:03:22,962 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2023-11-12 02:03:22,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2023-11-12 02:03:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-12 02:03:22,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-12 02:03:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:03:22,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:03:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2023-11-12 02:03:22,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2023-11-12 02:03:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 02:03:22,969 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 02:03:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2023-11-12 02:03:22,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2023-11-12 02:03:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 02:03:22,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 02:03:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2023-11-12 02:03:22,970 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2023-11-12 02:03:22,970 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2023-11-12 02:03:22,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2023-11-12 02:03:22,970 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2023-11-12 02:03:22,970 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2023-11-12 02:03:22,970 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-12 02:03:22,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-12 02:03:22,970 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2023-11-12 02:03:22,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2023-11-12 02:03:22,971 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2023-11-12 02:03:22,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2023-11-12 02:03:22,971 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2023-11-12 02:03:22,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2023-11-12 02:03:22,971 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2023-11-12 02:03:22,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2023-11-12 02:03:22,971 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2023-11-12 02:03:22,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2023-11-12 02:03:22,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 02:03:22,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 02:03:22,972 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-12 02:03:22,972 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-12 02:03:22,972 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 02:03:22,972 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 02:03:22,972 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-12 02:03:22,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-12 02:03:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 02:03:22,973 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 02:03:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:03:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 02:03:22,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 02:03:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-12 02:03:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2023-11-12 02:03:22,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2023-11-12 02:03:24,478 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:03:24,491 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:03:25,183 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:03:58,642 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:03:58,678 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:03:58,678 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:03:58,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:03:58 BoogieIcfgContainer [2023-11-12 02:03:58,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:03:58,689 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:03:58,689 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:03:58,692 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:03:58,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:03:14" (1/3) ... [2023-11-12 02:03:58,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498b321e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:03:58, skipping insertion in model container [2023-11-12 02:03:58,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:21" (2/3) ... [2023-11-12 02:03:58,696 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498b321e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:03:58, skipping insertion in model container [2023-11-12 02:03:58,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:03:58" (3/3) ... [2023-11-12 02:03:58,697 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2023-11-12 02:03:58,718 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:03:58,718 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-12 02:03:58,862 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:03:58,871 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=PETRI_NET, 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;@150385b2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:03:58,871 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-12 02:03:58,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 3636 states, 2526 states have (on average 1.324228028503563) internal successors, (3345), 2570 states have internal predecessors, (3345), 969 states have call successors, (969), 139 states have call predecessors, (969), 138 states have return successors, (965), 952 states have call predecessors, (965), 965 states have call successors, (965) [2023-11-12 02:03:58,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-12 02:03:58,943 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:58,944 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:58,945 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:03:58,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:58,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1293793996, now seen corresponding path program 1 times [2023-11-12 02:03:58,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:58,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685812973] [2023-11-12 02:03:58,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:58,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:00,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:04:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:01,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:04:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:01,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:04:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:01,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-12 02:04:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat