./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25788fe6-e616-4e76-94be-400e432750d2/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25788fe6-e616-4e76-94be-400e432750d2/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25788fe6-e616-4e76-94be-400e432750d2/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25788fe6-e616-4e76-94be-400e432750d2/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25788fe6-e616-4e76-94be-400e432750d2/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25788fe6-e616-4e76-94be-400e432750d2/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ab9e5f1244054225c7f64ec690f34255fb42afe040f7d5d9f3462dbfcacd6e53 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:23,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:23,252 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25788fe6-e616-4e76-94be-400e432750d2/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:23:23,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:23,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:23,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:23,289 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:23,290 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:23,291 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:23,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:23,292 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:23,293 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:23,293 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:23,294 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:23:23,295 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:23,295 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:23,296 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:23:23,296 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:23:23,297 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:23,298 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:23:23,298 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:23:23,299 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:23:23,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:23,300 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:23,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:23:23,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:23,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:23,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:23,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:23,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:23,304 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:23,304 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:23,305 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:23,305 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:23,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:23,306 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:23,307 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:23,307 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:23,307 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:23:23,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:23:23,308 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:23,308 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:23,308 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:23,308 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:23,309 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_25788fe6-e616-4e76-94be-400e432750d2/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25788fe6-e616-4e76-94be-400e432750d2/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab9e5f1244054225c7f64ec690f34255fb42afe040f7d5d9f3462dbfcacd6e53 [2023-11-23 21:23:23,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:23:23,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:23:23,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:23:23,641 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:23:23,642 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:23:23,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25788fe6-e616-4e76-94be-400e432750d2/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-23 21:23:26,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:27,674 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:27,675 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25788fe6-e616-4e76-94be-400e432750d2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-23 21:23:27,753 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25788fe6-e616-4e76-94be-400e432750d2/bin/utaipan-verify-mE87zJ7Ire/data/71be13f64/c8567fe95a2d457294cb8092672e3634/FLAG7e712bd67 [2023-11-23 21:23:27,767 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25788fe6-e616-4e76-94be-400e432750d2/bin/utaipan-verify-mE87zJ7Ire/data/71be13f64/c8567fe95a2d457294cb8092672e3634 [2023-11-23 21:23:27,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:27,772 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:27,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:27,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:27,779 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:27,780 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:27" (1/1) ... [2023-11-23 21:23:27,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1973c0f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:27, skipping insertion in model container [2023-11-23 21:23:27,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:27" (1/1) ... [2023-11-23 21:23:28,039 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:23:32,650 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_25788fe6-e616-4e76-94be-400e432750d2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[455527,455540] [2023-11-23 21:23:32,655 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_25788fe6-e616-4e76-94be-400e432750d2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[455693,455706] [2023-11-23 21:23:32,656 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_25788fe6-e616-4e76-94be-400e432750d2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[455857,455870] [2023-11-23 21:23:32,656 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_25788fe6-e616-4e76-94be-400e432750d2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[456022,456035] [2023-11-23 21:23:32,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:32,799 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:23:32,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6262] [2023-11-23 21:23:32,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6269] [2023-11-23 21:23:33,004 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6921] [2023-11-23 21:23:33,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [6928] [2023-11-23 21:23:33,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6935] [2023-11-23 21:23:33,124 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)); [8016-8017] [2023-11-23 21:23:33,126 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/d4e00c1/linux-kernel-locking-mutex/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [8066-8067] [2023-11-23 21:23:33,128 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"); [8072-8074] [2023-11-23 21:23:33,129 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)); [8094] [2023-11-23 21:23:33,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8198] [2023-11-23 21:23:33,133 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)); [8255-8256] [2023-11-23 21:23:33,135 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)); [8316] [2023-11-23 21:23:33,136 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)); [8324-8325] [2023-11-23 21:23:33,140 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)); [8400-8401] [2023-11-23 21:23:33,141 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)); [8434-8435] [2023-11-23 21:23:33,143 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)); [8475-8476] [2023-11-23 21:23:33,144 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)); [8504-8505] [2023-11-23 21:23:33,165 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)); [8946-8947] [2023-11-23 21:23:33,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8953] [2023-11-23 21:23:33,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9563] [2023-11-23 21:23:33,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9610] [2023-11-23 21:23:33,204 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9622] [2023-11-23 21:23:33,206 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)next_rxd) [9683] [2023-11-23 21:23:33,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10294] [2023-11-23 21:23:33,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [11933] [2023-11-23 21:23:33,343 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/intel/igbvf/netdev.c"), "i" (2086), "i" (12UL)); [11977-11978] [2023-11-23 21:23:33,345 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)); [12013-12014] [2023-11-23 21:23:33,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12128] [2023-11-23 21:23:33,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12132] [2023-11-23 21:23:33,483 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_25788fe6-e616-4e76-94be-400e432750d2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[455527,455540] [2023-11-23 21:23:33,484 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_25788fe6-e616-4e76-94be-400e432750d2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[455693,455706] [2023-11-23 21:23:33,484 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_25788fe6-e616-4e76-94be-400e432750d2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[455857,455870] [2023-11-23 21:23:33,485 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_25788fe6-e616-4e76-94be-400e432750d2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[456022,456035] [2023-11-23 21:23:33,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:33,837 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:33,838 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:33,846 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:23:33,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33 WrapperNode [2023-11-23 21:23:33,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:33,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:33,849 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:23:33,850 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:23:33,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (1/1) ... [2023-11-23 21:23:33,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (1/1) ... [2023-11-23 21:23:34,421 INFO L138 Inliner]: procedures = 547, calls = 3390, calls flagged for inlining = 311, calls inlined = 283, statements flattened = 8893 [2023-11-23 21:23:34,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:34,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:23:34,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:23:34,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:23:34,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (1/1) ... [2023-11-23 21:23:34,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (1/1) ... [2023-11-23 21:23:34,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (1/1) ... [2023-11-23 21:23:34,508 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (1/1) ... [2023-11-23 21:23:34,695 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (1/1) ... [2023-11-23 21:23:34,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (1/1) ... [2023-11-23 21:23:34,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (1/1) ... [2023-11-23 21:23:34,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (1/1) ... [2023-11-23 21:23:34,933 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:23:34,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:23:34,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:23:34,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:23:34,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (1/1) ... [2023-11-23 21:23:34,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:34,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25788fe6-e616-4e76-94be-400e432750d2/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:34,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25788fe6-e616-4e76-94be-400e432750d2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:23:35,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25788fe6-e616-4e76-94be-400e432750d2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:23:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2023-11-23 21:23:35,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2023-11-23 21:23:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 21:23:35,011 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 21:23:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:23:35,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:23:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-11-23 21:23:35,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-11-23 21:23:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:23:35,012 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:23:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:23:35,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:23:35,013 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-23 21:23:35,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-23 21:23:35,013 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2023-11-23 21:23:35,013 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2023-11-23 21:23:35,013 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2023-11-23 21:23:35,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2023-11-23 21:23:35,014 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-23 21:23:35,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-23 21:23:35,014 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:23:35,014 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:23:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 21:23:35,015 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 21:23:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2023-11-23 21:23:35,016 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2023-11-23 21:23:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-23 21:23:35,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-23 21:23:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2023-11-23 21:23:35,017 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2023-11-23 21:23:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2023-11-23 21:23:35,017 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2023-11-23 21:23:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:23:35,017 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:23:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:23:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2023-11-23 21:23:35,018 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2023-11-23 21:23:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2023-11-23 21:23:35,018 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2023-11-23 21:23:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:23:35,018 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:23:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:23:35,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:23:35,019 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:23:35,019 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:23:35,019 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-23 21:23:35,019 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-23 21:23:35,019 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2023-11-23 21:23:35,019 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2023-11-23 21:23:35,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:23:35,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:23:35,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-23 21:23:35,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-23 21:23:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-23 21:23:35,021 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-23 21:23:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2023-11-23 21:23:35,021 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2023-11-23 21:23:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:23:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-23 21:23:35,021 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-23 21:23:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-23 21:23:35,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-23 21:23:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-23 21:23:35,022 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-23 21:23:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-11-23 21:23:35,022 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-11-23 21:23:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:23:35,022 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:23:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:23:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2023-11-23 21:23:35,023 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2023-11-23 21:23:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:23:35,023 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:23:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:23:35,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:23:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:23:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2023-11-23 21:23:35,024 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2023-11-23 21:23:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:23:35,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:23:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 21:23:35,082 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 21:23:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:23:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2023-11-23 21:23:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2023-11-23 21:23:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:23:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:23:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2023-11-23 21:23:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2023-11-23 21:23:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2023-11-23 21:23:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2023-11-23 21:23:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:23:35,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:23:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2023-11-23 21:23:35,084 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2023-11-23 21:23:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 21:23:35,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 21:23:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2023-11-23 21:23:35,084 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2023-11-23 21:23:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2023-11-23 21:23:35,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2023-11-23 21:23:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:23:35,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:23:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2023-11-23 21:23:35,085 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2023-11-23 21:23:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2023-11-23 21:23:35,085 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2023-11-23 21:23:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:23:35,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:23:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-23 21:23:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-23 21:23:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:23:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:23:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2023-11-23 21:23:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2023-11-23 21:23:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-23 21:23:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-23 21:23:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:23:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:23:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:23:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:23:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:23:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-23 21:23:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-23 21:23:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-23 21:23:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-23 21:23:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2023-11-23 21:23:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2023-11-23 21:23:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:23:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2023-11-23 21:23:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2023-11-23 21:23:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-23 21:23:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-23 21:23:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:23:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:23:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:23:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:23:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:23:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-23 21:23:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-23 21:23:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2023-11-23 21:23:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2023-11-23 21:23:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2023-11-23 21:23:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2023-11-23 21:23:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2023-11-23 21:23:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2023-11-23 21:23:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 21:23:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 21:23:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2023-11-23 21:23:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2023-11-23 21:23:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-23 21:23:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-23 21:23:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-23 21:23:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-23 21:23:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2023-11-23 21:23:35,091 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2023-11-23 21:23:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:23:35,091 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:23:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 21:23:35,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 21:23:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2023-11-23 21:23:35,091 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2023-11-23 21:23:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2023-11-23 21:23:35,092 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2023-11-23 21:23:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:23:35,092 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:23:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-23 21:23:35,092 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-23 21:23:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2023-11-23 21:23:35,092 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2023-11-23 21:23:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2023-11-23 21:23:35,092 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2023-11-23 21:23:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:23:35,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:23:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2023-11-23 21:23:35,093 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2023-11-23 21:23:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2023-11-23 21:23:35,093 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2023-11-23 21:23:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:23:35,093 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:23:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:23:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:23:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:23:35,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:23:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-23 21:23:35,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-23 21:23:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2023-11-23 21:23:35,096 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2023-11-23 21:23:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-23 21:23:35,096 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-23 21:23:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-23 21:23:35,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-23 21:23:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-23 21:23:35,097 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-23 21:23:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2023-11-23 21:23:35,097 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2023-11-23 21:23:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 21:23:35,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 21:23:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2023-11-23 21:23:35,097 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2023-11-23 21:23:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2023-11-23 21:23:35,097 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2023-11-23 21:23:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2023-11-23 21:23:35,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2023-11-23 21:23:35,098 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-23 21:23:35,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-23 21:23:35,098 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2023-11-23 21:23:35,098 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2023-11-23 21:23:35,098 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 21:23:35,098 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 21:23:35,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:23:35,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:23:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:23:35,099 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:23:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2023-11-23 21:23:35,099 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2023-11-23 21:23:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2023-11-23 21:23:35,099 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2023-11-23 21:23:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-23 21:23:35,099 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-23 21:23:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-23 21:23:35,100 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-23 21:23:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-23 21:23:35,100 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-23 21:23:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:23:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:23:35,100 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:23:35,101 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2023-11-23 21:23:35,101 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2023-11-23 21:23:35,101 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-23 21:23:35,101 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-23 21:23:35,102 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-23 21:23:35,102 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-23 21:23:35,102 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2023-11-23 21:23:35,102 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2023-11-23 21:23:35,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:23:35,102 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2023-11-23 21:23:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2023-11-23 21:23:35,103 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2023-11-23 21:23:35,106 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2023-11-23 21:23:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2023-11-23 21:23:35,106 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2023-11-23 21:23:35,107 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-23 21:23:35,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-23 21:23:35,107 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2023-11-23 21:23:35,108 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2023-11-23 21:23:35,108 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-23 21:23:35,108 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-23 21:23:35,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:23:35,114 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:23:35,114 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:23:35,115 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:23:35,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:23:35,115 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2023-11-23 21:23:35,115 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2023-11-23 21:23:35,115 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:23:35,115 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:23:35,115 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-23 21:23:35,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-23 21:23:35,115 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:23:35,115 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:23:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-23 21:23:35,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-23 21:23:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2023-11-23 21:23:35,116 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2023-11-23 21:23:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2023-11-23 21:23:35,116 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2023-11-23 21:23:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:23:35,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:23:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-23 21:23:35,116 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-23 21:23:35,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:23:35,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:23:35,117 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2023-11-23 21:23:35,117 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2023-11-23 21:23:35,117 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2023-11-23 21:23:35,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2023-11-23 21:23:35,117 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2023-11-23 21:23:35,117 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2023-11-23 21:23:35,117 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2023-11-23 21:23:35,117 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2023-11-23 21:23:35,118 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-23 21:23:35,118 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-23 21:23:35,118 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:23:35,118 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:23:35,118 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-23 21:23:35,118 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-23 21:23:35,118 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2023-11-23 21:23:35,118 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2023-11-23 21:23:35,119 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:23:35,119 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:23:35,119 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-23 21:23:35,119 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-23 21:23:35,119 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2023-11-23 21:23:35,119 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2023-11-23 21:23:35,119 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:23:35,119 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:23:35,119 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2023-11-23 21:23:35,119 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2023-11-23 21:23:35,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:23:35,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2023-11-23 21:23:35,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2023-11-23 21:23:35,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:23:35,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:23:35,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-23 21:23:35,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-23 21:23:35,120 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2023-11-23 21:23:35,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2023-11-23 21:23:35,120 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-23 21:23:35,121 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-23 21:23:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-23 21:23:35,121 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-23 21:23:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2023-11-23 21:23:35,121 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2023-11-23 21:23:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2023-11-23 21:23:35,121 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2023-11-23 21:23:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2023-11-23 21:23:35,121 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2023-11-23 21:23:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2023-11-23 21:23:35,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2023-11-23 21:23:35,122 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2023-11-23 21:23:35,122 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2023-11-23 21:23:35,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:23:35,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:23:35,122 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2023-11-23 21:23:35,122 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2023-11-23 21:23:35,122 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-23 21:23:35,122 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-23 21:23:35,122 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-23 21:23:35,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-23 21:23:35,123 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2023-11-23 21:23:35,123 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2023-11-23 21:23:35,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-11-23 21:23:35,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-11-23 21:23:35,123 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-23 21:23:35,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-23 21:23:35,123 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2023-11-23 21:23:35,123 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2023-11-23 21:23:35,123 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 21:23:35,124 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 21:23:35,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:23:35,124 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-23 21:23:35,124 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-23 21:23:35,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:23:35,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:23:35,124 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-23 21:23:36,366 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:23:36,371 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:36,775 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:23:45,301 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:23:45,695 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:50,328 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:50,328 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:23:50,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:50 BoogieIcfgContainer [2023-11-23 21:23:50,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:50,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:50,334 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:50,338 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:50,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:27" (1/3) ... [2023-11-23 21:23:50,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130f3224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:50, skipping insertion in model container [2023-11-23 21:23:50,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (2/3) ... [2023-11-23 21:23:50,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130f3224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:50, skipping insertion in model container [2023-11-23 21:23:50,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:50" (3/3) ... [2023-11-23 21:23:50,341 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-23 21:23:50,364 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:50,364 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:23:50,463 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:50,470 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;@52cfaf84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:50,470 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:23:50,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 2334 states, 1379 states have (on average 1.2726613488034808) internal successors, (1755), 1420 states have internal predecessors, (1755), 791 states have call successors, (791), 164 states have call predecessors, (791), 163 states have return successors, (783), 769 states have call predecessors, (783), 783 states have call successors, (783) [2023-11-23 21:23:50,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2023-11-23 21:23:50,513 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:50,514 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] [2023-11-23 21:23:50,514 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:50,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:50,522 INFO L85 PathProgramCache]: Analyzing trace with hash 2133394218, now seen corresponding path program 1 times [2023-11-23 21:23:50,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:50,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965679817] [2023-11-23 21:23:50,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:50,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:51,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2023-11-23 21:23:51,973 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:51,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965679817] [2023-11-23 21:23:51,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965679817] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:51,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:51,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:23:51,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038165880] [2023-11-23 21:23:51,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:51,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:23:51,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:52,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:23:52,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:52,030 INFO L87 Difference]: Start difference. First operand has 2334 states, 1379 states have (on average 1.2726613488034808) internal successors, (1755), 1420 states have internal predecessors, (1755), 791 states have call successors, (791), 164 states have call predecessors, (791), 163 states have return successors, (783), 769 states have call predecessors, (783), 783 states have call successors, (783) Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-23 21:23:55,864 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 [] [2023-11-23 21:23:58,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:01,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:03,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:04,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:24:04,454 INFO L93 Difference]: Finished difference Result 6835 states and 9754 transitions. [2023-11-23 21:24:04,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:24:04,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 261 [2023-11-23 21:24:04,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:24:04,544 INFO L225 Difference]: With dead ends: 6835 [2023-11-23 21:24:04,544 INFO L226 Difference]: Without dead ends: 4536 [2023-11-23 21:24:04,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:24:04,567 INFO L413 NwaCegarLoop]: 2870 mSDtfsCounter, 3186 mSDsluCounter, 2820 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3186 SdHoareTripleChecker+Valid, 5690 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:24:04,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3186 Valid, 5690 Invalid, 952 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 943 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2023-11-23 21:24:04,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4536 states. [2023-11-23 21:24:04,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4536 to 4536. [2023-11-23 21:24:04,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4536 states, 2696 states have (on average 1.2696587537091988) internal successors, (3423), 2775 states have internal predecessors, (3423), 1517 states have call successors, (1517), 323 states have call predecessors, (1517), 322 states have return successors, (1513), 1485 states have call predecessors, (1513), 1513 states have call successors, (1513) [2023-11-23 21:24:04,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4536 states to 4536 states and 6453 transitions. [2023-11-23 21:24:04,966 INFO L78 Accepts]: Start accepts. Automaton has 4536 states and 6453 transitions. Word has length 261 [2023-11-23 21:24:04,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:24:04,968 INFO L495 AbstractCegarLoop]: Abstraction has 4536 states and 6453 transitions. [2023-11-23 21:24:04,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-23 21:24:04,969 INFO L276 IsEmpty]: Start isEmpty. Operand 4536 states and 6453 transitions. [2023-11-23 21:24:04,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2023-11-23 21:24:04,987 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:04,988 INFO L195 NwaCegarLoop]: trace histogram [28, 24, 24, 24, 24, 24, 24, 4, 4, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 21:24:04,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:24:04,988 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:04,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:04,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1414414694, now seen corresponding path program 1 times [2023-11-23 21:24:04,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:24:04,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081298097] [2023-11-23 21:24:04,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:04,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:24:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:07,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2441 trivial. 0 not checked. [2023-11-23 21:24:07,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:24:07,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081298097] [2023-11-23 21:24:07,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081298097] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:07,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:24:07,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:24:07,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676562798] [2023-11-23 21:24:07,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:07,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:24:07,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:24:07,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:24:07,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:24:07,048 INFO L87 Difference]: Start difference. First operand 4536 states and 6453 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-23 21:24:10,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []