./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 527bcce2 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_983b51f7-bcce-4644-824b-befb1372b3fc/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983b51f7-bcce-4644-824b-befb1372b3fc/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983b51f7-bcce-4644-824b-befb1372b3fc/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983b51f7-bcce-4644-824b-befb1372b3fc/bin/uautomizer-verify-bycVGegfSx/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_983b51f7-bcce-4644-824b-befb1372b3fc/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983b51f7-bcce-4644-824b-befb1372b3fc/bin/uautomizer-verify-bycVGegfSx --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-527bcce [2023-11-21 22:18:52,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:18:52,650 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983b51f7-bcce-4644-824b-befb1372b3fc/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:18:52,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:18:52,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:18:52,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:18:52,709 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:18:52,710 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:18:52,711 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:18:52,716 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:18:52,717 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:18:52,717 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:18:52,718 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:18:52,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:18:52,720 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:18:52,721 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:18:52,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:18:52,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:18:52,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:18:52,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:18:52,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:18:52,724 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:18:52,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:18:52,725 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:18:52,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:18:52,726 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:18:52,726 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:18:52,727 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:18:52,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:18:52,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:18:52,729 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:18:52,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:18:52,730 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:18:52,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:18:52,730 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:18:52,730 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:18:52,731 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:18:52,740 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:18:52,741 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:18:52,741 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_983b51f7-bcce-4644-824b-befb1372b3fc/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983b51f7-bcce-4644-824b-befb1372b3fc/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4295d1eb99eb4c4e306792d8730363a971cf6332e7c089b8c1be6cbddd5edcb9 [2023-11-21 22:18:53,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:18:53,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:18:53,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:18:53,100 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:18:53,101 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:18:53,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983b51f7-bcce-4644-824b-befb1372b3fc/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-21 22:18:56,407 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:18:57,252 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:18:57,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983b51f7-bcce-4644-824b-befb1372b3fc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-21 22:18:57,325 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983b51f7-bcce-4644-824b-befb1372b3fc/bin/uautomizer-verify-bycVGegfSx/data/0de7d5d36/956869b07e4d47c49d5a4778be82f154/FLAG052caa8b5 [2023-11-21 22:18:57,343 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983b51f7-bcce-4644-824b-befb1372b3fc/bin/uautomizer-verify-bycVGegfSx/data/0de7d5d36/956869b07e4d47c49d5a4778be82f154 [2023-11-21 22:18:57,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:18:57,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:18:57,348 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:18:57,348 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:18:57,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:18:57,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:18:57" (1/1) ... [2023-11-21 22:18:57,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bbeb6e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:57, skipping insertion in model container [2023-11-21 22:18:57,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:18:57" (1/1) ... [2023-11-21 22:18:57,584 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:19:02,549 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_983b51f7-bcce-4644-824b-befb1372b3fc/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] [2023-11-21 22:19:02,554 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_983b51f7-bcce-4644-824b-befb1372b3fc/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] [2023-11-21 22:19:02,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:19:02,762 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:19:02,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6260] [2023-11-21 22:19:02,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6267] [2023-11-21 22:19:02,933 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] [2023-11-21 22:19:02,933 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] [2023-11-21 22:19:02,934 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6934] [2023-11-21 22:19:03,010 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] [2023-11-21 22:19:03,013 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] [2023-11-21 22:19:03,013 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] [2023-11-21 22:19:03,014 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] [2023-11-21 22:19:03,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8201] [2023-11-21 22:19:03,018 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] [2023-11-21 22:19:03,019 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] [2023-11-21 22:19:03,022 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] [2023-11-21 22:19:03,026 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] [2023-11-21 22:19:03,027 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] [2023-11-21 22:19:03,029 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] [2023-11-21 22:19:03,030 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] [2023-11-21 22:19:03,043 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] [2023-11-21 22:19:03,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8931] [2023-11-21 22:19:03,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9541] [2023-11-21 22:19:03,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9588] [2023-11-21 22:19:03,067 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9600] [2023-11-21 22:19:03,069 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)next_rxd) [9661] [2023-11-21 22:19:03,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10272] [2023-11-21 22:19:03,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [11911] [2023-11-21 22:19:03,206 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] [2023-11-21 22:19:03,208 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] [2023-11-21 22:19:03,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12106] [2023-11-21 22:19:03,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12110] [2023-11-21 22:19:03,334 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_983b51f7-bcce-4644-824b-befb1372b3fc/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] [2023-11-21 22:19:03,334 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_983b51f7-bcce-4644-824b-befb1372b3fc/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] [2023-11-21 22:19:03,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:19:03,654 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:19:03,654 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:19:03,661 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:19:03,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:03 WrapperNode [2023-11-21 22:19:03,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:19:03,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:19:03,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:19:03,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:19:03,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:03" (1/1) ... [2023-11-21 22:19:03,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:03" (1/1) ... [2023-11-21 22:19:04,231 INFO L138 Inliner]: procedures = 639, calls = 3666, calls flagged for inlining = 316, calls inlined = 281, statements flattened = 9057 [2023-11-21 22:19:04,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:19:04,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:19:04,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:19:04,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:19:04,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:03" (1/1) ... [2023-11-21 22:19:04,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:03" (1/1) ... [2023-11-21 22:19:04,311 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:03" (1/1) ... [2023-11-21 22:19:10,042 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:19:10,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:03" (1/1) ... [2023-11-21 22:19:10,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:03" (1/1) ... [2023-11-21 22:19:10,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:03" (1/1) ... [2023-11-21 22:19:10,421 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:03" (1/1) ... [2023-11-21 22:19:10,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:03" (1/1) ... [2023-11-21 22:19:10,512 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:03" (1/1) ... [2023-11-21 22:19:10,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:19:10,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:19:10,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:19:10,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:19:10,587 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:03" (1/1) ... [2023-11-21 22:19:10,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:19:10,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983b51f7-bcce-4644-824b-befb1372b3fc/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:19:10,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983b51f7-bcce-4644-824b-befb1372b3fc/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:19:10,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983b51f7-bcce-4644-824b-befb1372b3fc/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:19:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2023-11-21 22:19:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2023-11-21 22:19:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-21 22:19:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-21 22:19:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:19:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:19:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-11-21 22:19:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-11-21 22:19:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-21 22:19:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-21 22:19:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:19:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:19:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-21 22:19:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-21 22:19:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2023-11-21 22:19:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2023-11-21 22:19:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2023-11-21 22:19:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2023-11-21 22:19:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-21 22:19:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-21 22:19:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-21 22:19:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-21 22:19:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-21 22:19:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-21 22:19:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2023-11-21 22:19:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2023-11-21 22:19:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-21 22:19:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-21 22:19:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2023-11-21 22:19:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2023-11-21 22:19:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2023-11-21 22:19:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2023-11-21 22:19:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-21 22:19:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-21 22:19:10,690 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-21 22:19:10,690 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2023-11-21 22:19:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2023-11-21 22:19:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2023-11-21 22:19:10,691 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2023-11-21 22:19:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-21 22:19:10,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-21 22:19:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 22:19:10,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 22:19:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-21 22:19:10,693 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-21 22:19:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-21 22:19:10,693 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-21 22:19:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2023-11-21 22:19:10,693 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2023-11-21 22:19:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 22:19:10,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 22:19:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-21 22:19:10,694 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-21 22:19:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2023-11-21 22:19:10,694 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2023-11-21 22:19:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:19:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-21 22:19:10,695 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-21 22:19:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-21 22:19:10,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-21 22:19:10,696 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-21 22:19:10,696 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-21 22:19:10,696 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-11-21 22:19:10,697 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-11-21 22:19:10,697 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 22:19:10,697 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 22:19:10,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:19:10,697 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2023-11-21 22:19:10,697 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2023-11-21 22:19:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 22:19:10,698 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 22:19:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-21 22:19:10,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-21 22:19:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:19:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2023-11-21 22:19:10,699 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2023-11-21 22:19:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 22:19:10,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 22:19:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-21 22:19:10,700 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-21 22:19:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:19:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2023-11-21 22:19:10,700 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2023-11-21 22:19:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-21 22:19:10,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-21 22:19:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-21 22:19:10,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-21 22:19:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2023-11-21 22:19:10,702 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2023-11-21 22:19:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:19:10,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:19:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2023-11-21 22:19:10,703 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2023-11-21 22:19:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-21 22:19:10,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-21 22:19:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2023-11-21 22:19:10,703 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2023-11-21 22:19:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2023-11-21 22:19:10,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2023-11-21 22:19:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-21 22:19:10,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-21 22:19:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2023-11-21 22:19:10,704 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2023-11-21 22:19:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2023-11-21 22:19:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2023-11-21 22:19:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-21 22:19:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-21 22:19:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-21 22:19:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-21 22:19:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-21 22:19:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-21 22:19:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-21 22:19:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-21 22:19:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2023-11-21 22:19:10,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2023-11-21 22:19:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-21 22:19:10,708 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-21 22:19:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:19:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-21 22:19:10,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-21 22:19:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-21 22:19:10,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-21 22:19:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-11-21 22:19:10,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-11-21 22:19:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-21 22:19:10,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-21 22:19:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-21 22:19:10,721 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-21 22:19:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2023-11-21 22:19:10,721 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2023-11-21 22:19:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:19:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2023-11-21 22:19:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2023-11-21 22:19:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-21 22:19:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-21 22:19:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 22:19:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 22:19:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:19:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:19:10,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:19:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-21 22:19:10,723 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-21 22:19:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2023-11-21 22:19:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2023-11-21 22:19:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2023-11-21 22:19:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2023-11-21 22:19:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-21 22:19:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-21 22:19:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-21 22:19:10,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-21 22:19:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2023-11-21 22:19:10,725 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2023-11-21 22:19:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-21 22:19:10,725 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-21 22:19:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2023-11-21 22:19:10,725 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2023-11-21 22:19:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-21 22:19:10,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-21 22:19:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-21 22:19:10,726 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-21 22:19:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2023-11-21 22:19:10,727 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2023-11-21 22:19:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 22:19:10,727 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 22:19:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-21 22:19:10,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-21 22:19:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2023-11-21 22:19:10,727 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2023-11-21 22:19:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2023-11-21 22:19:10,728 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2023-11-21 22:19:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-21 22:19:10,728 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-21 22:19:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-21 22:19:10,729 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-21 22:19:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2023-11-21 22:19:10,729 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2023-11-21 22:19:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2023-11-21 22:19:10,729 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2023-11-21 22:19:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:19:10,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:19:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2023-11-21 22:19:10,730 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2023-11-21 22:19:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2023-11-21 22:19:10,730 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2023-11-21 22:19:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-21 22:19:10,730 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-21 22:19:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:19:10,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:19:10,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:19:10,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:19:10,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-21 22:19:10,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-21 22:19:10,733 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2023-11-21 22:19:10,733 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2023-11-21 22:19:10,733 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-21 22:19:10,733 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-21 22:19:10,733 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-21 22:19:10,734 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-21 22:19:10,734 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-21 22:19:10,734 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-21 22:19:10,734 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2023-11-21 22:19:10,734 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2023-11-21 22:19:10,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-21 22:19:10,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-21 22:19:10,735 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2023-11-21 22:19:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2023-11-21 22:19:10,735 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2023-11-21 22:19:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2023-11-21 22:19:10,735 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2023-11-21 22:19:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2023-11-21 22:19:10,735 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-21 22:19:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-21 22:19:10,736 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2023-11-21 22:19:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2023-11-21 22:19:10,736 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-21 22:19:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-21 22:19:10,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:19:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:19:10,736 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-21 22:19:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-21 22:19:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-21 22:19:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-21 22:19:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2023-11-21 22:19:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2023-11-21 22:19:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2023-11-21 22:19:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2023-11-21 22:19:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-21 22:19:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-21 22:19:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-21 22:19:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-21 22:19:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-21 22:19:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-21 22:19:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:19:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-21 22:19:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-21 22:19:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2023-11-21 22:19:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2023-11-21 22:19:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-21 22:19:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-21 22:19:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-21 22:19:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-21 22:19:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2023-11-21 22:19:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2023-11-21 22:19:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:19:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2023-11-21 22:19:10,745 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2023-11-21 22:19:10,745 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2023-11-21 22:19:10,745 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2023-11-21 22:19:10,745 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2023-11-21 22:19:10,745 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2023-11-21 22:19:10,745 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-21 22:19:10,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-21 22:19:10,746 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2023-11-21 22:19:10,746 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2023-11-21 22:19:10,747 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-21 22:19:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-21 22:19:10,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:19:10,747 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:19:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:19:10,747 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-21 22:19:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-21 22:19:10,747 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2023-11-21 22:19:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2023-11-21 22:19:10,748 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-21 22:19:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-21 22:19:10,748 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-21 22:19:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-21 22:19:10,748 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 22:19:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 22:19:10,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-21 22:19:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-21 22:19:10,749 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2023-11-21 22:19:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2023-11-21 22:19:10,749 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2023-11-21 22:19:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2023-11-21 22:19:10,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 22:19:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 22:19:10,750 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-21 22:19:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-21 22:19:10,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-21 22:19:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-21 22:19:10,750 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2023-11-21 22:19:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2023-11-21 22:19:10,750 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2023-11-21 22:19:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2023-11-21 22:19:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2023-11-21 22:19:10,751 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2023-11-21 22:19:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-21 22:19:10,751 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-21 22:19:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-11-21 22:19:10,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-11-21 22:19:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 22:19:10,751 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 22:19:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-21 22:19:10,752 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-21 22:19:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2023-11-21 22:19:10,752 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2023-11-21 22:19:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 22:19:10,752 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 22:19:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-21 22:19:10,752 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-21 22:19:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2023-11-21 22:19:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2023-11-21 22:19:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 22:19:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 22:19:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2023-11-21 22:19:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2023-11-21 22:19:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:19:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2023-11-21 22:19:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2023-11-21 22:19:10,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:19:10,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:19:10,754 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-21 22:19:10,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-21 22:19:10,754 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2023-11-21 22:19:10,754 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2023-11-21 22:19:10,754 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-21 22:19:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-21 22:19:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-21 22:19:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-21 22:19:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2023-11-21 22:19:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2023-11-21 22:19:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2023-11-21 22:19:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2023-11-21 22:19:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2023-11-21 22:19:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2023-11-21 22:19:10,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2023-11-21 22:19:10,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2023-11-21 22:19:10,756 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2023-11-21 22:19:10,756 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2023-11-21 22:19:10,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 22:19:10,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 22:19:10,756 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2023-11-21 22:19:10,756 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2023-11-21 22:19:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-21 22:19:10,757 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-21 22:19:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-21 22:19:10,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-21 22:19:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2023-11-21 22:19:10,757 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2023-11-21 22:19:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-11-21 22:19:10,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-11-21 22:19:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-21 22:19:10,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-21 22:19:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2023-11-21 22:19:10,758 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2023-11-21 22:19:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-21 22:19:10,758 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-21 22:19:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:19:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-21 22:19:10,759 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-21 22:19:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 22:19:10,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 22:19:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-21 22:19:12,015 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:19:12,025 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:19:12,367 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:19:22,815 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-21 22:19:23,278 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:19:31,941 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:19:31,942 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:19:31,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:19:31 BoogieIcfgContainer [2023-11-21 22:19:31,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:19:31,947 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:19:31,947 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:19:31,950 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:19:31,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:18:57" (1/3) ... [2023-11-21 22:19:31,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2152ac18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:19:31, skipping insertion in model container [2023-11-21 22:19:31,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:03" (2/3) ... [2023-11-21 22:19:31,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2152ac18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:19:31, skipping insertion in model container [2023-11-21 22:19:31,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:19:31" (3/3) ... [2023-11-21 22:19:31,954 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-21 22:19:31,975 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:19:31,976 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-21 22:19:32,082 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:19:32,089 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;@73b6e0e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:19:32,090 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-21 22:19:32,106 INFO L276 IsEmpty]: Start isEmpty. Operand has 2370 states, 1388 states have (on average 1.271613832853026) internal successors, (1765), 1430 states have internal predecessors, (1765), 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) [2023-11-21 22:19:32,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-11-21 22:19:32,154 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:19:32,155 INFO L195 NwaCegarLoop]: trace histogram [25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:19:32,156 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:19:32,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:19:32,161 INFO L85 PathProgramCache]: Analyzing trace with hash -991764771, now seen corresponding path program 1 times [2023-11-21 22:19:32,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:19:32,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716057518] [2023-11-21 22:19:32,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:19:32,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:19:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:19:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:19:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:19:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:19:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:19:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:19:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:19:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:19:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-21 22:19:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-21 22:19:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-21 22:19:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-21 22:19:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-21 22:19:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-21 22:19:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-21 22:19:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-21 22:19:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-21 22:19:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-21 22:19:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-21 22:19:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-21 22:19:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-11-21 22:19:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-21 22:19:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-21 22:19:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-21 22:19:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-21 22:19:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-21 22:19:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-21 22:19:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:34,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2023-11-21 22:19:34,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:19:34,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716057518] [2023-11-21 22:19:34,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716057518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:19:34,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:19:34,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:19:34,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449977439] [2023-11-21 22:19:34,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:19:34,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:19:34,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:19:34,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:19:34,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:19:34,790 INFO L87 Difference]: Start difference. First operand has 2370 states, 1388 states have (on average 1.271613832853026) internal successors, (1765), 1430 states have internal predecessors, (1765), 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 14.75) internal successors, (59), 3 states have internal predecessors, (59), 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) [2023-11-21 22:19:38,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []