./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293540c1-1928-42a0-ad4e-a48119ff62ba/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293540c1-1928-42a0-ad4e-a48119ff62ba/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_293540c1-1928-42a0-ad4e-a48119ff62ba/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293540c1-1928-42a0-ad4e-a48119ff62ba/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293540c1-1928-42a0-ad4e-a48119ff62ba/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_293540c1-1928-42a0-ad4e-a48119ff62ba/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 4295d1eb99eb4c4e306792d8730363a971cf6332e7c089b8c1be6cbddd5edcb9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:11:55,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:11:56,009 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293540c1-1928-42a0-ad4e-a48119ff62ba/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:11:56,014 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:11:56,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:11:56,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:11:56,055 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:11:56,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:11:56,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:11:56,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:11:56,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:11:56,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:11:56,059 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:11:56,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:11:56,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:11:56,061 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:11:56,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:11:56,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:11:56,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:11:56,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:11:56,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:11:56,065 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:11:56,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:11:56,066 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:11:56,066 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:11:56,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:11:56,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:11:56,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:11:56,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:11:56,069 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:11:56,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:11:56,071 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:11:56,071 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:11:56,072 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:11:56,072 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:11:56,073 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:11:56,073 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_293540c1-1928-42a0-ad4e-a48119ff62ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293540c1-1928-42a0-ad4e-a48119ff62ba/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4295d1eb99eb4c4e306792d8730363a971cf6332e7c089b8c1be6cbddd5edcb9 [2023-11-12 02:11:56,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:11:56,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:11:56,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:11:56,415 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:11:56,419 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:11:56,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293540c1-1928-42a0-ad4e-a48119ff62ba/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-12 02:11:59,623 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:12:00,563 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:12:00,565 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293540c1-1928-42a0-ad4e-a48119ff62ba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-12 02:12:00,631 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293540c1-1928-42a0-ad4e-a48119ff62ba/bin/uautomizer-verify-uTZkv6EMXl/data/775eec59e/0491d62002bb4c5ea5a9dda5a8a9f9b5/FLAGcc0adec7b [2023-11-12 02:12:00,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293540c1-1928-42a0-ad4e-a48119ff62ba/bin/uautomizer-verify-uTZkv6EMXl/data/775eec59e/0491d62002bb4c5ea5a9dda5a8a9f9b5 [2023-11-12 02:12:00,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:12:00,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:12:00,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:12:00,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:12:00,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:12:00,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:12:00" (1/1) ... [2023-11-12 02:12:00,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@473b86de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:00, skipping insertion in model container [2023-11-12 02:12:00,662 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:12:00" (1/1) ... [2023-11-12 02:12:00,966 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:12:06,558 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293540c1-1928-42a0-ad4e-a48119ff62ba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[487689,487702] [2023-11-12 02:12:06,564 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_293540c1-1928-42a0-ad4e-a48119ff62ba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[487834,487847] [2023-11-12 02:12:06,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:12:06,740 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:12:06,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6260] [2023-11-12 02:12:06,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6267] [2023-11-12 02:12:06,888 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"); [6920] [2023-11-12 02:12:06,888 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)); [6927] [2023-11-12 02:12:06,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6934] [2023-11-12 02:12:06,919 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)); [8034-8035] [2023-11-12 02:12:06,922 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/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [8076-8077] [2023-11-12 02:12:06,922 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"); [8082-8084] [2023-11-12 02:12:06,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [8104] [2023-11-12 02:12:06,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8201] [2023-11-12 02:12:06,929 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)); [8258-8259] [2023-11-12 02:12:06,931 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)); [8291] [2023-11-12 02:12:06,931 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)); [8299-8300] [2023-11-12 02:12:06,936 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)); [8375-8376] [2023-11-12 02:12:06,939 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)); [8409-8410] [2023-11-12 02:12:06,941 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)); [8450-8451] [2023-11-12 02:12:06,942 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)); [8479-8480] [2023-11-12 02:12:06,958 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)); [8924-8925] [2023-11-12 02:12:06,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8931] [2023-11-12 02:12:06,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9541] [2023-11-12 02:12:06,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9588] [2023-11-12 02:12:06,990 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9600] [2023-11-12 02:12:06,992 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)next_rxd) [9661] [2023-11-12 02:12:07,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10272] [2023-11-12 02:12:07,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [11911] [2023-11-12 02:12:07,205 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)); [11955-11956] [2023-11-12 02:12:07,207 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)); [11991-11992] [2023-11-12 02:12:07,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12106] [2023-11-12 02:12:07,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12110] [2023-11-12 02:12:07,335 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_293540c1-1928-42a0-ad4e-a48119ff62ba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[487689,487702] [2023-11-12 02:12:07,336 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_293540c1-1928-42a0-ad4e-a48119ff62ba/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[487834,487847] [2023-11-12 02:12:07,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:12:07,864 WARN L672 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:12:07,864 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:12:07,874 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:12:07,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:07 WrapperNode [2023-11-12 02:12:07,875 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:12:07,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:12:07,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:12:07,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:12:07,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:07" (1/1) ... [2023-11-12 02:12:08,108 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:07" (1/1) ... [2023-11-12 02:12:08,519 INFO L138 Inliner]: procedures = 639, calls = 3666, calls flagged for inlining = 316, calls inlined = 281, statements flattened = 9057 [2023-11-12 02:12:08,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:12:08,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:12:08,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:12:08,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:12:08,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:07" (1/1) ... [2023-11-12 02:12:08,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:07" (1/1) ... [2023-11-12 02:12:08,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:07" (1/1) ... [2023-11-12 02:12:08,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:07" (1/1) ... [2023-11-12 02:12:08,767 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:07" (1/1) ... [2023-11-12 02:12:08,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:07" (1/1) ... [2023-11-12 02:12:08,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:07" (1/1) ... [2023-11-12 02:12:08,980 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:07" (1/1) ... [2023-11-12 02:12:09,062 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:12:09,063 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:12:09,064 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:12:09,064 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:12:09,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:07" (1/1) ... [2023-11-12 02:12:09,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:12:09,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293540c1-1928-42a0-ad4e-a48119ff62ba/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:12:09,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293540c1-1928-42a0-ad4e-a48119ff62ba/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:12:09,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293540c1-1928-42a0-ad4e-a48119ff62ba/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:12:09,170 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2023-11-12 02:12:09,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2023-11-12 02:12:09,171 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 02:12:09,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 02:12:09,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:12:09,172 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:12:09,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-11-12 02:12:09,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-11-12 02:12:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 02:12:09,173 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 02:12:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:12:09,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:12:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-12 02:12:09,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-12 02:12:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2023-11-12 02:12:09,174 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2023-11-12 02:12:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2023-11-12 02:12:09,174 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2023-11-12 02:12:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-12 02:12:09,174 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-12 02:12:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 02:12:09,175 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 02:12:09,175 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 02:12:09,175 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 02:12:09,175 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2023-11-12 02:12:09,176 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2023-11-12 02:12:09,176 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 02:12:09,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 02:12:09,176 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2023-11-12 02:12:09,176 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2023-11-12 02:12:09,176 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2023-11-12 02:12:09,177 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2023-11-12 02:12:09,177 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 02:12:09,177 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 02:12:09,177 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 02:12:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2023-11-12 02:12:09,178 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2023-11-12 02:12:09,179 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2023-11-12 02:12:09,179 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2023-11-12 02:12:09,179 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 02:12:09,180 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 02:12:09,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 02:12:09,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 02:12:09,180 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 02:12:09,181 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 02:12:09,181 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 02:12:09,181 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 02:12:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2023-11-12 02:12:09,182 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2023-11-12 02:12:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 02:12:09,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 02:12:09,183 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-12 02:12:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-12 02:12:09,183 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2023-11-12 02:12:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2023-11-12 02:12:09,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:12:09,183 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 02:12:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 02:12:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-12 02:12:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-12 02:12:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-12 02:12:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-12 02:12:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-11-12 02:12:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-11-12 02:12:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 02:12:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 02:12:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:12:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2023-11-12 02:12:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2023-11-12 02:12:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:12:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:12:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 02:12:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 02:12:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:12:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2023-11-12 02:12:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2023-11-12 02:12:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 02:12:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 02:12:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-12 02:12:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-12 02:12:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:12:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2023-11-12 02:12:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2023-11-12 02:12:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 02:12:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 02:12:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-12 02:12:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-12 02:12:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2023-11-12 02:12:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2023-11-12 02:12:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 02:12:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 02:12:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2023-11-12 02:12:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2023-11-12 02:12:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 02:12:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 02:12:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2023-11-12 02:12:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2023-11-12 02:12:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2023-11-12 02:12:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2023-11-12 02:12:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 02:12:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 02:12:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2023-11-12 02:12:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2023-11-12 02:12:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2023-11-12 02:12:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2023-11-12 02:12:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 02:12:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 02:12:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 02:12:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 02:12:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-12 02:12:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-12 02:12:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 02:12:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 02:12:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2023-11-12 02:12:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2023-11-12 02:12:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-12 02:12:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-12 02:12:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:12:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 02:12:09,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 02:12:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 02:12:09,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 02:12:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-11-12 02:12:09,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-11-12 02:12:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-12 02:12:09,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-12 02:12:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-12 02:12:09,203 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-12 02:12:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2023-11-12 02:12:09,205 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2023-11-12 02:12:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:12:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2023-11-12 02:12:09,211 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2023-11-12 02:12:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-12 02:12:09,212 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-12 02:12:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 02:12:09,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 02:12:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:12:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:12:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:12:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-12 02:12:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-12 02:12:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2023-11-12 02:12:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2023-11-12 02:12:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2023-11-12 02:12:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2023-11-12 02:12:09,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-12 02:12:09,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-12 02:12:09,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-12 02:12:09,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-12 02:12:09,214 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2023-11-12 02:12:09,214 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2023-11-12 02:12:09,214 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 02:12:09,215 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 02:12:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2023-11-12 02:12:09,215 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2023-11-12 02:12:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-12 02:12:09,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-12 02:12:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-12 02:12:09,215 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-12 02:12:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2023-11-12 02:12:09,216 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2023-11-12 02:12:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:12:09,216 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:12:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 02:12:09,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 02:12:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2023-11-12 02:12:09,217 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2023-11-12 02:12:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2023-11-12 02:12:09,217 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2023-11-12 02:12:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 02:12:09,217 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 02:12:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 02:12:09,218 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 02:12:09,218 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2023-11-12 02:12:09,218 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2023-11-12 02:12:09,218 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2023-11-12 02:12:09,218 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2023-11-12 02:12:09,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:12:09,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:12:09,219 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2023-11-12 02:12:09,219 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2023-11-12 02:12:09,219 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2023-11-12 02:12:09,219 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2023-11-12 02:12:09,219 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 02:12:09,219 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 02:12:09,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:12:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:12:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:12:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:12:09,220 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 02:12:09,220 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 02:12:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2023-11-12 02:12:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2023-11-12 02:12:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-12 02:12:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-12 02:12:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 02:12:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 02:12:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-12 02:12:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-12 02:12:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2023-11-12 02:12:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2023-11-12 02:12:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 02:12:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 02:12:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2023-11-12 02:12:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2023-11-12 02:12:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2023-11-12 02:12:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2023-11-12 02:12:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2023-11-12 02:12:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2023-11-12 02:12:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-12 02:12:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-12 02:12:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2023-11-12 02:12:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2023-11-12 02:12:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 02:12:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 02:12:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:12:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:12:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-12 02:12:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-12 02:12:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 02:12:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 02:12:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2023-11-12 02:12:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2023-11-12 02:12:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2023-11-12 02:12:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2023-11-12 02:12:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-12 02:12:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-12 02:12:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-12 02:12:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-12 02:12:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 02:12:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 02:12:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:12:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 02:12:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 02:12:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2023-11-12 02:12:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2023-11-12 02:12:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-12 02:12:09,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-12 02:12:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 02:12:09,227 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 02:12:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2023-11-12 02:12:09,227 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2023-11-12 02:12:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:12:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2023-11-12 02:12:09,227 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2023-11-12 02:12:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2023-11-12 02:12:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2023-11-12 02:12:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2023-11-12 02:12:09,229 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2023-11-12 02:12:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-12 02:12:09,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-12 02:12:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2023-11-12 02:12:09,233 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2023-11-12 02:12:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-12 02:12:09,234 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-12 02:12:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:12:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:12:09,234 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:12:09,235 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 02:12:09,236 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 02:12:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2023-11-12 02:12:09,236 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2023-11-12 02:12:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 02:12:09,237 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 02:12:09,237 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-12 02:12:09,237 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-12 02:12:09,237 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 02:12:09,237 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 02:12:09,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-12 02:12:09,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-12 02:12:09,238 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2023-11-12 02:12:09,238 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2023-11-12 02:12:09,238 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2023-11-12 02:12:09,238 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2023-11-12 02:12:09,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 02:12:09,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 02:12:09,238 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-12 02:12:09,238 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-12 02:12:09,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 02:12:09,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 02:12:09,239 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2023-11-12 02:12:09,239 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2023-11-12 02:12:09,239 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2023-11-12 02:12:09,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2023-11-12 02:12:09,239 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2023-11-12 02:12:09,240 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2023-11-12 02:12:09,240 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-12 02:12:09,240 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-12 02:12:09,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-11-12 02:12:09,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-11-12 02:12:09,240 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 02:12:09,240 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 02:12:09,240 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 02:12:09,241 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 02:12:09,241 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2023-11-12 02:12:09,241 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2023-11-12 02:12:09,241 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 02:12:09,241 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 02:12:09,241 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-12 02:12:09,241 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-12 02:12:09,242 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2023-11-12 02:12:09,242 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2023-11-12 02:12:09,242 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:12:09,242 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:12:09,242 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2023-11-12 02:12:09,242 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2023-11-12 02:12:09,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:12:09,242 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2023-11-12 02:12:09,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2023-11-12 02:12:09,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:12:09,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:12:09,243 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 02:12:09,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 02:12:09,243 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2023-11-12 02:12:09,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2023-11-12 02:12:09,243 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 02:12:09,244 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 02:12:09,244 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 02:12:09,244 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 02:12:09,244 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2023-11-12 02:12:09,244 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2023-11-12 02:12:09,244 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2023-11-12 02:12:09,244 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2023-11-12 02:12:09,245 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2023-11-12 02:12:09,245 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2023-11-12 02:12:09,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2023-11-12 02:12:09,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2023-11-12 02:12:09,245 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2023-11-12 02:12:09,245 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2023-11-12 02:12:09,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 02:12:09,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 02:12:09,246 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2023-11-12 02:12:09,246 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2023-11-12 02:12:09,246 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-12 02:12:09,246 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-12 02:12:09,246 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 02:12:09,246 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 02:12:09,246 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2023-11-12 02:12:09,246 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2023-11-12 02:12:09,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-11-12 02:12:09,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-11-12 02:12:09,247 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-12 02:12:09,247 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-12 02:12:09,247 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2023-11-12 02:12:09,247 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2023-11-12 02:12:09,247 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 02:12:09,248 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 02:12:09,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:12:09,248 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-12 02:12:09,248 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-12 02:12:09,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 02:12:09,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 02:12:09,248 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-12 02:12:10,669 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:12:10,676 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:12:11,063 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:12:20,567 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 02:12:20,909 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:12:20,945 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:12:20,946 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:12:20,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:12:20 BoogieIcfgContainer [2023-11-12 02:12:20,953 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:12:20,957 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:12:20,957 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:12:20,961 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:12:20,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:12:00" (1/3) ... [2023-11-12 02:12:20,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d77939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:12:20, skipping insertion in model container [2023-11-12 02:12:20,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:07" (2/3) ... [2023-11-12 02:12:20,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d77939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:12:20, skipping insertion in model container [2023-11-12 02:12:20,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:12:20" (3/3) ... [2023-11-12 02:12:20,966 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-12 02:12:20,988 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:12:20,988 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-12 02:12:21,132 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:12:21,142 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;@a832d38, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:12:21,143 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-12 02:12:21,164 INFO L276 IsEmpty]: Start isEmpty. Operand has 3373 states, 2391 states have (on average 1.3212045169385194) internal successors, (3159), 2433 states have internal predecessors, (3159), 813 states have call successors, (813), 168 states have call predecessors, (813), 167 states have return successors, (805), 791 states have call predecessors, (805), 805 states have call successors, (805) [2023-11-12 02:12:21,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2023-11-12 02:12:21,223 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:12:21,224 INFO L195 NwaCegarLoop]: trace histogram [25, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:12:21,225 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:12:21,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:12:21,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1416263244, now seen corresponding path program 1 times [2023-11-12 02:12:21,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:12:21,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729890246] [2023-11-12 02:12:21,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:12:21,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:12:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:12:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:12:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:12:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:12:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:12:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:12:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:22,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:12:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:12:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:12:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-12 02:12:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-12 02:12:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-12 02:12:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-12 02:12:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-12 02:12:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-12 02:12:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-12 02:12:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-12 02:12:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-12 02:12:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-12 02:12:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-12 02:12:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-12 02:12:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-12 02:12:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-12 02:12:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-11-12 02:12:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-12 02:12:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-12 02:12:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-12 02:12:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-11-12 02:12:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:23,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2023-11-12 02:12:23,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:12:23,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729890246] [2023-11-12 02:12:23,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729890246] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:12:23,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:12:23,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:12:23,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924083769] [2023-11-12 02:12:23,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:12:23,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:12:23,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:12:23,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:12:23,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:12:23,794 INFO L87 Difference]: Start difference. First operand has 3373 states, 2391 states have (on average 1.3212045169385194) internal successors, (3159), 2433 states have internal predecessors, (3159), 813 states have call successors, (813), 168 states have call predecessors, (813), 167 states have return successors, (805), 791 states have call predecessors, (805), 805 states have call successors, (805) Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-12 02:12:35,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:12:35,323 INFO L93 Difference]: Finished difference Result 9790 states and 14258 transitions. [2023-11-12 02:12:35,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:12:35,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 318 [2023-11-12 02:12:35,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:12:35,431 INFO L225 Difference]: With dead ends: 9790 [2023-11-12 02:12:35,432 INFO L226 Difference]: Without dead ends: 6393 [2023-11-12 02:12:35,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:12:35,474 INFO L413 NwaCegarLoop]: 3316 mSDtfsCounter, 5704 mSDsluCounter, 4802 mSDsCounter, 0 mSdLazyCounter, 4408 mSolverCounterSat, 1963 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6311 SdHoareTripleChecker+Valid, 8118 SdHoareTripleChecker+Invalid, 6371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1963 IncrementalHoareTripleChecker+Valid, 4408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:12:35,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6311 Valid, 8118 Invalid, 6371 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1963 Valid, 4408 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2023-11-12 02:12:35,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6393 states. [2023-11-12 02:12:35,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6393 to 5728. [2023-11-12 02:12:36,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5728 states, 4156 states have (on average 1.3063041385948027) internal successors, (5429), 4212 states have internal predecessors, (5429), 1279 states have call successors, (1279), 291 states have call predecessors, (1279), 291 states have return successors, (1279), 1260 states have call predecessors, (1279), 1279 states have call successors, (1279) [2023-11-12 02:12:36,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5728 states to 5728 states and 7987 transitions. [2023-11-12 02:12:36,080 INFO L78 Accepts]: Start accepts. Automaton has 5728 states and 7987 transitions. Word has length 318 [2023-11-12 02:12:36,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:12:36,086 INFO L495 AbstractCegarLoop]: Abstraction has 5728 states and 7987 transitions. [2023-11-12 02:12:36,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-12 02:12:36,087 INFO L276 IsEmpty]: Start isEmpty. Operand 5728 states and 7987 transitions. [2023-11-12 02:12:36,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2023-11-12 02:12:36,107 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:12:36,107 INFO L195 NwaCegarLoop]: trace histogram [25, 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, 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 02:12:36,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:12:36,108 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:12:36,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:12:36,109 INFO L85 PathProgramCache]: Analyzing trace with hash -417959942, now seen corresponding path program 1 times [2023-11-12 02:12:36,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:12:36,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038151012] [2023-11-12 02:12:36,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:12:36,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:12:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:36,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:12:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:36,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:36,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:12:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:36,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:36,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:12:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:36,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:36,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:12:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:36,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:36,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:12:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:36,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:36,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:12:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:36,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:36,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:12:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:36,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:36,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:12:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:36,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:36,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:12:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:36,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:36,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-12 02:12:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:36,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:36,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-12 02:12:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:36,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-12 02:12:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-12 02:12:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-12 02:12:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-12 02:12:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-12 02:12:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-12 02:12:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-12 02:12:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-12 02:12:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-12 02:12:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-12 02:12:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-12 02:12:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-12 02:12:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-11-12 02:12:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:12:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-12 02:12:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2023-11-12 02:12:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-11-12 02:12:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:37,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2023-11-12 02:12:37,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:12:37,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038151012] [2023-11-12 02:12:37,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038151012] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:12:37,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:12:37,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:12:37,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031033115] [2023-11-12 02:12:37,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:12:37,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:12:37,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:12:37,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:12:37,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:12:37,468 INFO L87 Difference]: Start difference. First operand 5728 states and 7987 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28)