./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 9bd2c7ff 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_3dc5dd6b-224d-43f6-9f00-99b8e0cb7197/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc5dd6b-224d-43f6-9f00-99b8e0cb7197/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc5dd6b-224d-43f6-9f00-99b8e0cb7197/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc5dd6b-224d-43f6-9f00-99b8e0cb7197/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.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_3dc5dd6b-224d-43f6-9f00-99b8e0cb7197/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc5dd6b-224d-43f6-9f00-99b8e0cb7197/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4295d1eb99eb4c4e306792d8730363a971cf6332e7c089b8c1be6cbddd5edcb9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:14:09,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:14:09,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc5dd6b-224d-43f6-9f00-99b8e0cb7197/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:14:09,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:14:09,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:14:09,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:14:09,803 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:14:09,803 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:14:09,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:14:09,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:14:09,809 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:14:09,810 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:14:09,810 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:14:09,812 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:14:09,812 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:14:09,812 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:14:09,813 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:14:09,813 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:14:09,813 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:14:09,814 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:14:09,814 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:14:09,815 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:14:09,816 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:14:09,816 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:14:09,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:14:09,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:14:09,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:14:09,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:14:09,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:14:09,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:14:09,820 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:14:09,820 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:14:09,820 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:14:09,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:14:09,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:14:09,821 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:14:09,821 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:14:09,821 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:14:09,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:14:09,822 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:14:09,822 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:14:09,822 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:14:09,822 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc5dd6b-224d-43f6-9f00-99b8e0cb7197/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc5dd6b-224d-43f6-9f00-99b8e0cb7197/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4295d1eb99eb4c4e306792d8730363a971cf6332e7c089b8c1be6cbddd5edcb9 [2023-11-19 04:14:10,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:14:10,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:14:10,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:14:10,181 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:14:10,182 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:14:10,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc5dd6b-224d-43f6-9f00-99b8e0cb7197/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-19 04:14:13,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:14:14,072 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:14:14,073 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc5dd6b-224d-43f6-9f00-99b8e0cb7197/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-19 04:14:14,163 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc5dd6b-224d-43f6-9f00-99b8e0cb7197/bin/utaipan-verify-t7M7D8N6sZ/data/12a77c4a9/389af06c308d4604963e08376c00c167/FLAGcb4c07760 [2023-11-19 04:14:14,177 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc5dd6b-224d-43f6-9f00-99b8e0cb7197/bin/utaipan-verify-t7M7D8N6sZ/data/12a77c4a9/389af06c308d4604963e08376c00c167 [2023-11-19 04:14:14,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:14:14,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:14:14,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:14:14,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:14:14,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:14:14,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:14:14" (1/1) ... [2023-11-19 04:14:14,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c90cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:14, skipping insertion in model container [2023-11-19 04:14:14,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:14:14" (1/1) ... [2023-11-19 04:14:14,479 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:14:19,494 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_3dc5dd6b-224d-43f6-9f00-99b8e0cb7197/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] [2023-11-19 04:14:19,498 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_3dc5dd6b-224d-43f6-9f00-99b8e0cb7197/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] [2023-11-19 04:14:19,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:14:19,615 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:14:19,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6260] [2023-11-19 04:14:19,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6267] [2023-11-19 04:14:19,816 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] [2023-11-19 04:14:19,816 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] [2023-11-19 04:14:19,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6934] [2023-11-19 04:14:19,845 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] [2023-11-19 04:14:19,847 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] [2023-11-19 04:14:19,847 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] [2023-11-19 04:14:19,848 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] [2023-11-19 04:14:19,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8201] [2023-11-19 04:14:19,852 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] [2023-11-19 04:14:19,853 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] [2023-11-19 04:14:19,853 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] [2023-11-19 04:14:19,857 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] [2023-11-19 04:14:19,858 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] [2023-11-19 04:14:19,859 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] [2023-11-19 04:14:19,861 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] [2023-11-19 04:14:19,874 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] [2023-11-19 04:14:19,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8931] [2023-11-19 04:14:19,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9541] [2023-11-19 04:14:19,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9588] [2023-11-19 04:14:19,903 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9600] [2023-11-19 04:14:19,905 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)next_rxd) [9661] [2023-11-19 04:14:19,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10272] [2023-11-19 04:14:20,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [11911] [2023-11-19 04:14:20,095 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] [2023-11-19 04:14:20,096 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] [2023-11-19 04:14:20,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12106] [2023-11-19 04:14:20,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12110] [2023-11-19 04:14:20,239 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_3dc5dd6b-224d-43f6-9f00-99b8e0cb7197/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] [2023-11-19 04:14:20,239 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_3dc5dd6b-224d-43f6-9f00-99b8e0cb7197/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] [2023-11-19 04:14:20,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:14:20,605 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:14:20,605 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:14:20,613 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:14:20,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:20 WrapperNode [2023-11-19 04:14:20,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:14:20,617 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:14:20,617 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:14:20,617 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:14:20,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:20" (1/1) ... [2023-11-19 04:14:20,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:20" (1/1) ... [2023-11-19 04:14:21,231 INFO L138 Inliner]: procedures = 639, calls = 3666, calls flagged for inlining = 316, calls inlined = 281, statements flattened = 9057 [2023-11-19 04:14:21,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:14:21,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:14:21,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:14:21,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:14:21,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:20" (1/1) ... [2023-11-19 04:14:21,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:20" (1/1) ... [2023-11-19 04:14:21,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:20" (1/1) ... [2023-11-19 04:14:21,291 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:20" (1/1) ... [2023-11-19 04:14:21,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:20" (1/1) ... [2023-11-19 04:14:21,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:20" (1/1) ... [2023-11-19 04:14:21,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:20" (1/1) ... [2023-11-19 04:14:21,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:20" (1/1) ... [2023-11-19 04:14:21,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:14:21,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:14:21,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:14:21,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:14:21,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:20" (1/1) ... [2023-11-19 04:14:21,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:14:21,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc5dd6b-224d-43f6-9f00-99b8e0cb7197/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:14:21,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc5dd6b-224d-43f6-9f00-99b8e0cb7197/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:14:21,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc5dd6b-224d-43f6-9f00-99b8e0cb7197/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:14:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2023-11-19 04:14:21,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2023-11-19 04:14:21,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 04:14:21,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 04:14:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:14:21,840 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:14:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-11-19 04:14:21,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-11-19 04:14:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 04:14:21,841 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 04:14:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:14:21,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:14:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-19 04:14:21,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-19 04:14:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2023-11-19 04:14:21,842 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2023-11-19 04:14:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2023-11-19 04:14:21,842 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2023-11-19 04:14:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-19 04:14:21,843 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-19 04:14:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 04:14:21,843 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 04:14:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 04:14:21,843 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 04:14:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2023-11-19 04:14:21,844 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2023-11-19 04:14:21,844 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 04:14:21,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 04:14:21,844 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2023-11-19 04:14:21,844 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2023-11-19 04:14:21,845 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2023-11-19 04:14:21,845 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2023-11-19 04:14:21,846 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 04:14:21,846 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 04:14:21,847 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 04:14:21,847 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2023-11-19 04:14:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2023-11-19 04:14:21,847 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2023-11-19 04:14:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2023-11-19 04:14:21,847 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 04:14:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 04:14:21,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 04:14:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 04:14:21,848 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 04:14:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 04:14:21,848 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-19 04:14:21,849 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-19 04:14:21,849 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2023-11-19 04:14:21,849 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2023-11-19 04:14:21,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:14:21,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:14:21,850 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-19 04:14:21,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-19 04:14:21,850 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2023-11-19 04:14:21,850 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2023-11-19 04:14:21,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:14:21,851 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 04:14:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 04:14:21,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-19 04:14:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-19 04:14:21,852 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-19 04:14:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-19 04:14:21,852 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-11-19 04:14:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-11-19 04:14:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 04:14:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 04:14:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:14:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2023-11-19 04:14:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2023-11-19 04:14:21,854 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 04:14:21,854 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 04:14:21,854 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 04:14:21,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 04:14:21,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:14:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2023-11-19 04:14:21,855 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2023-11-19 04:14:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 04:14:21,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 04:14:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 04:14:21,856 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 04:14:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:14:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2023-11-19 04:14:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2023-11-19 04:14:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 04:14:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 04:14:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-19 04:14:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-19 04:14:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2023-11-19 04:14:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2023-11-19 04:14:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:14:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:14:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2023-11-19 04:14:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2023-11-19 04:14:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 04:14:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 04:14:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2023-11-19 04:14:21,860 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2023-11-19 04:14:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2023-11-19 04:14:21,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2023-11-19 04:14:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 04:14:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 04:14:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2023-11-19 04:14:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2023-11-19 04:14:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2023-11-19 04:14:21,863 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2023-11-19 04:14:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 04:14:21,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 04:14:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 04:14:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 04:14:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-19 04:14:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-19 04:14:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 04:14:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 04:14:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2023-11-19 04:14:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2023-11-19 04:14:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-19 04:14:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-19 04:14:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:14:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 04:14:21,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 04:14:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 04:14:21,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 04:14:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-11-19 04:14:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-11-19 04:14:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-19 04:14:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-19 04:14:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-19 04:14:21,880 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-19 04:14:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2023-11-19 04:14:21,880 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2023-11-19 04:14:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:14:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2023-11-19 04:14:21,881 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2023-11-19 04:14:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-19 04:14:21,882 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-19 04:14:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 04:14:21,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 04:14:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:14:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:14:21,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:14:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-19 04:14:21,883 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-19 04:14:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2023-11-19 04:14:21,883 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2023-11-19 04:14:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2023-11-19 04:14:21,883 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2023-11-19 04:14:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-19 04:14:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-19 04:14:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-19 04:14:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-19 04:14:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2023-11-19 04:14:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2023-11-19 04:14:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 04:14:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 04:14:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2023-11-19 04:14:21,885 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2023-11-19 04:14:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-19 04:14:21,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-19 04:14:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-19 04:14:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-19 04:14:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2023-11-19 04:14:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2023-11-19 04:14:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:14:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:14:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 04:14:21,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 04:14:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2023-11-19 04:14:21,887 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2023-11-19 04:14:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2023-11-19 04:14:21,887 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2023-11-19 04:14:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 04:14:21,888 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 04:14:21,888 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 04:14:21,888 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 04:14:21,888 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2023-11-19 04:14:21,888 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2023-11-19 04:14:21,888 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2023-11-19 04:14:21,889 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2023-11-19 04:14:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:14:21,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:14:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2023-11-19 04:14:21,889 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2023-11-19 04:14:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2023-11-19 04:14:21,889 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2023-11-19 04:14:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 04:14:21,890 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 04:14:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:14:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:14:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:14:21,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:14:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-19 04:14:21,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-19 04:14:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2023-11-19 04:14:21,891 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2023-11-19 04:14:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-19 04:14:21,891 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-19 04:14:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 04:14:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 04:14:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-19 04:14:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-19 04:14:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2023-11-19 04:14:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2023-11-19 04:14:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 04:14:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 04:14:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2023-11-19 04:14:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2023-11-19 04:14:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2023-11-19 04:14:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2023-11-19 04:14:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2023-11-19 04:14:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2023-11-19 04:14:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-19 04:14:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-19 04:14:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2023-11-19 04:14:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2023-11-19 04:14:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 04:14:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 04:14:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:14:21,895 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:14:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-19 04:14:21,895 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-19 04:14:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 04:14:21,895 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 04:14:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2023-11-19 04:14:21,896 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2023-11-19 04:14:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2023-11-19 04:14:21,896 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2023-11-19 04:14:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-19 04:14:21,896 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-19 04:14:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-19 04:14:21,897 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-19 04:14:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 04:14:21,897 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 04:14:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:14:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 04:14:21,897 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 04:14:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2023-11-19 04:14:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2023-11-19 04:14:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-19 04:14:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-19 04:14:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 04:14:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 04:14:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2023-11-19 04:14:21,899 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2023-11-19 04:14:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:14:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2023-11-19 04:14:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2023-11-19 04:14:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2023-11-19 04:14:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2023-11-19 04:14:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2023-11-19 04:14:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2023-11-19 04:14:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-19 04:14:21,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-19 04:14:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2023-11-19 04:14:21,905 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2023-11-19 04:14:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-19 04:14:21,906 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-19 04:14:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:14:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:14:21,906 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:14:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 04:14:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 04:14:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2023-11-19 04:14:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2023-11-19 04:14:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 04:14:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 04:14:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-19 04:14:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-19 04:14:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 04:14:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 04:14:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-19 04:14:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-19 04:14:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2023-11-19 04:14:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2023-11-19 04:14:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2023-11-19 04:14:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2023-11-19 04:14:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 04:14:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 04:14:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-19 04:14:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-19 04:14:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 04:14:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 04:14:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2023-11-19 04:14:21,910 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2023-11-19 04:14:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2023-11-19 04:14:21,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2023-11-19 04:14:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2023-11-19 04:14:21,910 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2023-11-19 04:14:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-19 04:14:21,911 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-19 04:14:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-11-19 04:14:21,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-11-19 04:14:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 04:14:21,911 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 04:14:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 04:14:21,911 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 04:14:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2023-11-19 04:14:21,912 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2023-11-19 04:14:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 04:14:21,912 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 04:14:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-19 04:14:21,912 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-19 04:14:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2023-11-19 04:14:21,913 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2023-11-19 04:14:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:14:21,913 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:14:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2023-11-19 04:14:21,913 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2023-11-19 04:14:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:14:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2023-11-19 04:14:21,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2023-11-19 04:14:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:14:21,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:14:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-19 04:14:21,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-19 04:14:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2023-11-19 04:14:21,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2023-11-19 04:14:21,915 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 04:14:21,915 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 04:14:21,915 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-19 04:14:21,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-19 04:14:21,915 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2023-11-19 04:14:21,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2023-11-19 04:14:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2023-11-19 04:14:21,916 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2023-11-19 04:14:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2023-11-19 04:14:21,916 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2023-11-19 04:14:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2023-11-19 04:14:21,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2023-11-19 04:14:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2023-11-19 04:14:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2023-11-19 04:14:21,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 04:14:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 04:14:21,917 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2023-11-19 04:14:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2023-11-19 04:14:21,917 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-19 04:14:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-19 04:14:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-19 04:14:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-19 04:14:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2023-11-19 04:14:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2023-11-19 04:14:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-11-19 04:14:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-11-19 04:14:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-19 04:14:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-19 04:14:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2023-11-19 04:14:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2023-11-19 04:14:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 04:14:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 04:14:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:14:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-19 04:14:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-19 04:14:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 04:14:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 04:14:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-19 04:14:23,153 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:14:23,158 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:14:23,402 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:14:32,160 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 04:14:32,566 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:14:37,456 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:14:37,457 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:14:37,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:14:37 BoogieIcfgContainer [2023-11-19 04:14:37,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:14:37,486 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:14:37,486 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:14:37,490 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:14:37,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:14:14" (1/3) ... [2023-11-19 04:14:37,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161876e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:14:37, skipping insertion in model container [2023-11-19 04:14:37,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:20" (2/3) ... [2023-11-19 04:14:37,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161876e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:14:37, skipping insertion in model container [2023-11-19 04:14:37,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:14:37" (3/3) ... [2023-11-19 04:14:37,495 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-19 04:14:37,516 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:14:37,516 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 04:14:37,621 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:14:37,628 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@35c62b1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:14:37,628 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 04:14:37,642 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) [2023-11-19 04:14:37,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-11-19 04:14:37,694 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:14:37,695 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] [2023-11-19 04:14:37,696 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:14:37,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:14:37,701 INFO L85 PathProgramCache]: Analyzing trace with hash -986418260, now seen corresponding path program 1 times [2023-11-19 04:14:37,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:14:37,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703152501] [2023-11-19 04:14:37,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:14:37,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:14:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:14:39,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2023-11-19 04:14:39,374 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:14:39,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703152501] [2023-11-19 04:14:39,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703152501] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:14:39,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:14:39,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:14:39,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695656115] [2023-11-19 04:14:39,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:14:39,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:14:39,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:14:39,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:14:39,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:14:39,434 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 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-19 04:14:41,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:14:43,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:14:46,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:14:47,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:14:47,782 INFO L93 Difference]: Finished difference Result 6309 states and 9041 transitions. [2023-11-19 04:14:47,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:14:47,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (32), 2 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 282 [2023-11-19 04:14:47,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:14:47,836 INFO L225 Difference]: With dead ends: 6309 [2023-11-19 04:14:47,836 INFO L226 Difference]: Without dead ends: 3921 [2023-11-19 04:14:47,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:14:47,857 INFO L413 NwaCegarLoop]: 3028 mSDtfsCounter, 2276 mSDsluCounter, 2854 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2276 SdHoareTripleChecker+Valid, 5882 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:14:47,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2276 Valid, 5882 Invalid, 1035 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2023-11-19 04:14:47,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3921 states. [2023-11-19 04:14:48,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3921 to 3916. [2023-11-19 04:14:48,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3916 states, 2344 states have (on average 1.2674914675767919) internal successors, (2971), 2400 states have internal predecessors, (2971), 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) [2023-11-19 04:14:48,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3916 states to 3916 states and 5529 transitions. [2023-11-19 04:14:48,234 INFO L78 Accepts]: Start accepts. Automaton has 3916 states and 5529 transitions. Word has length 282 [2023-11-19 04:14:48,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:14:48,240 INFO L495 AbstractCegarLoop]: Abstraction has 3916 states and 5529 transitions. [2023-11-19 04:14:48,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-19 04:14:48,240 INFO L276 IsEmpty]: Start isEmpty. Operand 3916 states and 5529 transitions. [2023-11-19 04:14:48,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-11-19 04:14:48,256 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:14:48,256 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:14:48,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:14:48,259 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:14:48,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:14:48,260 INFO L85 PathProgramCache]: Analyzing trace with hash 459799234, now seen corresponding path program 1 times [2023-11-19 04:14:48,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:14:48,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760090960] [2023-11-19 04:14:48,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:14:48,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:14:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:14:48,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2023-11-19 04:14:48,856 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:14:48,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760090960] [2023-11-19 04:14:48,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760090960] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:14:48,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:14:48,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:14:48,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601782353] [2023-11-19 04:14:48,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:14:48,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:14:48,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:14:48,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:14:48,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:14:48,864 INFO L87 Difference]: Start difference. First operand 3916 states and 5529 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-19 04:14:50,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:14:53,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:14:55,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:14:56,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:14:56,391 INFO L93 Difference]: Finished difference Result 9890 states and 13883 transitions. [2023-11-19 04:14:56,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:14:56,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 294 [2023-11-19 04:14:56,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:14:56,441 INFO L225 Difference]: With dead ends: 9890 [2023-11-19 04:14:56,441 INFO L226 Difference]: Without dead ends: 6023 [2023-11-19 04:14:56,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:14:56,461 INFO L413 NwaCegarLoop]: 2851 mSDtfsCounter, 2471 mSDsluCounter, 2752 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2471 SdHoareTripleChecker+Valid, 5603 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:14:56,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2471 Valid, 5603 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2023-11-19 04:14:56,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6023 states. [2023-11-19 04:14:56,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6023 to 6017. [2023-11-19 04:14:56,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6017 states, 3585 states have (on average 1.2563458856345886) internal successors, (4504), 3673 states have internal predecessors, (4504), 1954 states have call successors, (1954), 477 states have call predecessors, (1954), 476 states have return successors, (1955), 1919 states have call predecessors, (1955), 1954 states have call successors, (1955) [2023-11-19 04:14:56,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6017 states to 6017 states and 8413 transitions. [2023-11-19 04:14:56,892 INFO L78 Accepts]: Start accepts. Automaton has 6017 states and 8413 transitions. Word has length 294 [2023-11-19 04:14:56,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:14:56,893 INFO L495 AbstractCegarLoop]: Abstraction has 6017 states and 8413 transitions. [2023-11-19 04:14:56,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-19 04:14:56,894 INFO L276 IsEmpty]: Start isEmpty. Operand 6017 states and 8413 transitions. [2023-11-19 04:14:56,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2023-11-19 04:14:56,903 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:14:56,904 INFO L195 NwaCegarLoop]: trace histogram [28, 24, 24, 24, 24, 24, 24, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:14:56,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:14:56,904 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:14:56,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:14:56,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1270779344, now seen corresponding path program 1 times [2023-11-19 04:14:56,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:14:56,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590820879] [2023-11-19 04:14:56,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:14:56,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:14:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat