./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/bin/utaipan-verify-SwPr7d2a91 --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 5afcd851c0eed3ee93d773a0172936a989a39cd6889ca2587c3b833a21bc8a3a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:20:04,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:20:04,255 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:20:04,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:20:04,261 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:20:04,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:20:04,291 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:20:04,292 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:20:04,293 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:20:04,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:20:04,294 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:20:04,294 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:20:04,295 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:20:04,295 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:20:04,296 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:20:04,296 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:20:04,297 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:20:04,297 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:20:04,298 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:20:04,298 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:20:04,299 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:20:04,300 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:20:04,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:20:04,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:20:04,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:20:04,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:20:04,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:20:04,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:20:04,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:20:04,304 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:20:04,304 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:20:04,305 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:20:04,305 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:20:04,306 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:20:04,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:04,307 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:20:04,307 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:20:04,308 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:20:04,308 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:20:04,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:20:04,309 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:20:04,310 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:20:04,310 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:20:04,311 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:20:04,311 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_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5afcd851c0eed3ee93d773a0172936a989a39cd6889ca2587c3b833a21bc8a3a [2023-11-24 23:20:04,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:20:04,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:20:04,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:20:04,652 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:20:04,653 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:20:04,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-24 23:20:07,970 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:20:08,791 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:20:08,792 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-24 23:20:08,855 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/bin/utaipan-verify-SwPr7d2a91/data/3ba557847/65fd1823a94e4bdeb35239887dd877ba/FLAGaf83f291c [2023-11-24 23:20:08,877 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/bin/utaipan-verify-SwPr7d2a91/data/3ba557847/65fd1823a94e4bdeb35239887dd877ba [2023-11-24 23:20:08,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:20:08,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:20:08,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:08,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:20:08,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:20:08,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:08" (1/1) ... [2023-11-24 23:20:08,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e0983b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:08, skipping insertion in model container [2023-11-24 23:20:08,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:08" (1/1) ... [2023-11-24 23:20:09,115 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:20:13,100 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_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410165,410178] [2023-11-24 23:20:13,105 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_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410334,410347] [2023-11-24 23:20:13,106 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_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410501,410514] [2023-11-24 23:20:13,107 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_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410669,410682] [2023-11-24 23:20:13,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:20:13,198 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:20:13,339 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"); [5295] [2023-11-24 23:20:13,341 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)); [5302] [2023-11-24 23:20:13,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5309] [2023-11-24 23:20:13,343 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/520b8de/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5350-5351] [2023-11-24 23:20:13,344 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"); [5356-5358] [2023-11-24 23:20:13,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5519] [2023-11-24 23:20:13,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5526] [2023-11-24 23:20:13,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5534] [2023-11-24 23:20:13,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5541] [2023-11-24 23:20:13,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5549] [2023-11-24 23:20:13,367 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)); [5669-5670] [2023-11-24 23:20:13,371 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)); [5703-5704] [2023-11-24 23:20:13,372 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" (103), "i" (12UL)); [5740-5741] [2023-11-24 23:20:13,373 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" (115), "i" (12UL)); [5777-5778] [2023-11-24 23:20:13,381 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)); [6036-6037] [2023-11-24 23:20:13,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6043] [2023-11-24 23:20:13,387 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6318] [2023-11-24 23:20:13,387 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6321] [2023-11-24 23:20:13,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6324] [2023-11-24 23:20:13,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6327] [2023-11-24 23:20:13,389 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6358] [2023-11-24 23:20:13,389 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6361] [2023-11-24 23:20:13,390 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6364] [2023-11-24 23:20:13,390 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6367] [2023-11-24 23:20:13,390 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6398] [2023-11-24 23:20:13,391 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6401] [2023-11-24 23:20:13,391 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6404] [2023-11-24 23:20:13,391 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6407] [2023-11-24 23:20:13,392 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6438] [2023-11-24 23:20:13,392 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6441] [2023-11-24 23:20:13,392 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6444] [2023-11-24 23:20:13,393 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6447] [2023-11-24 23:20:13,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7215] [2023-11-24 23:20:13,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7729] [2023-11-24 23:20:13,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7752] [2023-11-24 23:20:13,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7759] [2023-11-24 23:20:13,457 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7786] [2023-11-24 23:20:13,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8205] [2023-11-24 23:20:13,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9825] [2023-11-24 23:20:13,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9890] [2023-11-24 23:20:13,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9900] [2023-11-24 23:20:13,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9912] [2023-11-24 23:20:13,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9934] [2023-11-24 23:20:13,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10124] [2023-11-24 23:20:13,763 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_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410165,410178] [2023-11-24 23:20:13,764 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_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410334,410347] [2023-11-24 23:20:13,764 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_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410501,410514] [2023-11-24 23:20:13,765 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_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410669,410682] [2023-11-24 23:20:13,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:20:14,080 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:20:14,080 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:20:14,088 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:20:14,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:14 WrapperNode [2023-11-24 23:20:14,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:14,091 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:20:14,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:20:14,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:20:14,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:14" (1/1) ... [2023-11-24 23:20:14,270 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:14" (1/1) ... [2023-11-24 23:20:14,574 INFO L138 Inliner]: procedures = 541, calls = 2937, calls flagged for inlining = 282, calls inlined = 248, statements flattened = 8782 [2023-11-24 23:20:14,575 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:20:14,576 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:20:14,576 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:20:14,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:20:14,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:14" (1/1) ... [2023-11-24 23:20:14,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:14" (1/1) ... [2023-11-24 23:20:14,659 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:14" (1/1) ... [2023-11-24 23:20:14,659 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:14" (1/1) ... [2023-11-24 23:20:14,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:14" (1/1) ... [2023-11-24 23:20:15,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:14" (1/1) ... [2023-11-24 23:20:15,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:14" (1/1) ... [2023-11-24 23:20:15,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:14" (1/1) ... [2023-11-24 23:20:15,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:20:15,186 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:20:15,186 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:20:15,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:20:15,187 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:14" (1/1) ... [2023-11-24 23:20:15,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:15,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:20:15,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:20:15,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502951dd-f2bf-478f-8a68-0a6ea4bda5a2/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:20:15,328 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-24 23:20:15,328 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-24 23:20:15,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:20:15,328 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:20:15,328 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-24 23:20:15,329 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-24 23:20:15,329 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-24 23:20:15,329 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-24 23:20:15,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:20:15,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:20:15,329 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-24 23:20:15,330 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-24 23:20:15,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:20:15,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:20:15,330 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-24 23:20:15,330 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-24 23:20:15,330 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-24 23:20:15,331 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-24 23:20:15,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2023-11-24 23:20:15,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2023-11-24 23:20:15,331 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2023-11-24 23:20:15,331 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2023-11-24 23:20:15,331 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-24 23:20:15,331 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-24 23:20:15,332 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-24 23:20:15,332 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-24 23:20:15,332 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-24 23:20:15,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-24 23:20:15,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:20:15,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:20:15,333 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-24 23:20:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-24 23:20:15,333 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-24 23:20:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-24 23:20:15,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:20:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:20:15,334 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-24 23:20:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-24 23:20:15,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:20:15,334 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2023-11-24 23:20:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2023-11-24 23:20:15,334 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-24 23:20:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-24 23:20:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-24 23:20:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-24 23:20:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-24 23:20:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-24 23:20:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:20:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-24 23:20:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-24 23:20:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-24 23:20:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-24 23:20:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:20:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:20:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:20:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2023-11-24 23:20:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2023-11-24 23:20:15,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:20:15,337 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-24 23:20:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-24 23:20:15,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-24 23:20:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-24 23:20:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2023-11-24 23:20:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2023-11-24 23:20:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-24 23:20:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-24 23:20:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-24 23:20:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-24 23:20:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-24 23:20:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-24 23:20:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-24 23:20:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-24 23:20:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-24 23:20:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-24 23:20:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2023-11-24 23:20:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2023-11-24 23:20:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-24 23:20:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-24 23:20:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-24 23:20:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-24 23:20:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:20:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:20:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:20:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-24 23:20:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-24 23:20:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2023-11-24 23:20:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2023-11-24 23:20:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:20:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-24 23:20:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-24 23:20:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:20:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:20:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-24 23:20:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-24 23:20:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:20:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-24 23:20:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:20:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:20:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2023-11-24 23:20:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2023-11-24 23:20:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-24 23:20:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-24 23:20:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2023-11-24 23:20:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2023-11-24 23:20:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-24 23:20:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-24 23:20:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2023-11-24 23:20:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2023-11-24 23:20:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-24 23:20:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-24 23:20:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-24 23:20:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-24 23:20:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 23:20:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 23:20:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-24 23:20:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-24 23:20:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-24 23:20:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-24 23:20:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2023-11-24 23:20:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2023-11-24 23:20:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-24 23:20:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-24 23:20:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-24 23:20:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-24 23:20:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2023-11-24 23:20:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2023-11-24 23:20:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-24 23:20:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-24 23:20:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:20:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:20:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-24 23:20:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-24 23:20:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:20:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:20:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:20:15,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:20:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2023-11-24 23:20:15,349 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2023-11-24 23:20:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:20:15,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:20:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2023-11-24 23:20:15,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2023-11-24 23:20:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2023-11-24 23:20:15,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2023-11-24 23:20:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-24 23:20:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-24 23:20:15,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-24 23:20:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2023-11-24 23:20:15,351 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2023-11-24 23:20:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2023-11-24 23:20:15,351 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2023-11-24 23:20:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-24 23:20:15,351 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-24 23:20:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:20:15,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:20:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-24 23:20:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-24 23:20:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-24 23:20:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-24 23:20:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-24 23:20:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-24 23:20:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-11-24 23:20:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-11-24 23:20:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2023-11-24 23:20:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2023-11-24 23:20:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2023-11-24 23:20:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2023-11-24 23:20:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2023-11-24 23:20:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2023-11-24 23:20:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-24 23:20:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-24 23:20:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:20:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2023-11-24 23:20:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2023-11-24 23:20:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-24 23:20:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-24 23:20:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:20:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2023-11-24 23:20:15,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2023-11-24 23:20:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:20:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2023-11-24 23:20:15,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2023-11-24 23:20:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:20:15,356 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:20:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2023-11-24 23:20:15,356 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2023-11-24 23:20:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-24 23:20:15,356 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-24 23:20:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-24 23:20:15,356 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-24 23:20:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2023-11-24 23:20:15,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2023-11-24 23:20:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:20:15,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:20:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2023-11-24 23:20:15,357 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2023-11-24 23:20:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-24 23:20:15,358 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-24 23:20:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-24 23:20:15,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-24 23:20:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2023-11-24 23:20:15,358 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2023-11-24 23:20:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2023-11-24 23:20:15,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2023-11-24 23:20:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-24 23:20:15,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-24 23:20:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2023-11-24 23:20:15,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2023-11-24 23:20:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-24 23:20:15,359 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-24 23:20:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-24 23:20:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-24 23:20:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-24 23:20:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-24 23:20:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2023-11-24 23:20:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2023-11-24 23:20:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-24 23:20:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-24 23:20:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2023-11-24 23:20:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2023-11-24 23:20:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2023-11-24 23:20:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2023-11-24 23:20:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-24 23:20:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-24 23:20:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 23:20:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 23:20:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:20:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2023-11-24 23:20:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2023-11-24 23:20:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:20:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:20:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-24 23:20:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-24 23:20:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-24 23:20:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-24 23:20:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2023-11-24 23:20:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2023-11-24 23:20:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2023-11-24 23:20:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2023-11-24 23:20:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-24 23:20:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-24 23:20:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2023-11-24 23:20:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2023-11-24 23:20:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:20:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:20:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-24 23:20:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-24 23:20:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-24 23:20:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-24 23:20:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-24 23:20:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-24 23:20:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-24 23:20:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-24 23:20:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:20:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-24 23:20:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-24 23:20:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-24 23:20:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-24 23:20:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:20:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:20:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-24 23:20:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-24 23:20:16,452 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:20:16,458 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:20:16,724 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:20:26,727 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:20:30,351 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:20:30,351 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-24 23:20:30,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:30 BoogieIcfgContainer [2023-11-24 23:20:30,353 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:20:30,356 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:20:30,356 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:20:30,360 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:20:30,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:20:08" (1/3) ... [2023-11-24 23:20:30,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8abf53c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:20:30, skipping insertion in model container [2023-11-24 23:20:30,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:14" (2/3) ... [2023-11-24 23:20:30,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8abf53c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:20:30, skipping insertion in model container [2023-11-24 23:20:30,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:30" (3/3) ... [2023-11-24 23:20:30,364 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-24 23:20:30,384 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:20:30,384 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-24 23:20:30,497 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:20:30,504 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;@d3c7c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:20:30,505 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-24 23:20:30,519 INFO L276 IsEmpty]: Start isEmpty. Operand has 2053 states, 1210 states have (on average 1.2917355371900827) internal successors, (1563), 1272 states have internal predecessors, (1563), 720 states have call successors, (720), 122 states have call predecessors, (720), 121 states have return successors, (712), 694 states have call predecessors, (712), 712 states have call successors, (712) [2023-11-24 23:20:30,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:20:30,538 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:20:30,539 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-24 23:20:30,540 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-24 23:20:30,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:20:30,552 INFO L85 PathProgramCache]: Analyzing trace with hash -301010743, now seen corresponding path program 1 times [2023-11-24 23:20:30,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:20:30,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298462335] [2023-11-24 23:20:30,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:30,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:20:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:20:31,715 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 23:20:31,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:20:31,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298462335] [2023-11-24 23:20:31,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298462335] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:20:31,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:20:31,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:20:31,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149587803] [2023-11-24 23:20:31,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:20:31,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:20:31,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:20:31,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:20:31,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:20:31,773 INFO L87 Difference]: Start difference. First operand has 2053 states, 1210 states have (on average 1.2917355371900827) internal successors, (1563), 1272 states have internal predecessors, (1563), 720 states have call successors, (720), 122 states have call predecessors, (720), 121 states have return successors, (712), 694 states have call predecessors, (712), 712 states have call successors, (712) Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-24 23:20:34,616 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 [] [2023-11-24 23:20:36,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:38,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:43,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:20:43,301 INFO L93 Difference]: Finished difference Result 4114 states and 6081 transitions. [2023-11-24 23:20:43,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 23:20:43,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2023-11-24 23:20:43,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:20:43,342 INFO L225 Difference]: With dead ends: 4114 [2023-11-24 23:20:43,342 INFO L226 Difference]: Without dead ends: 2069 [2023-11-24 23:20:43,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:20:43,373 INFO L413 NwaCegarLoop]: 2574 mSDtfsCounter, 2942 mSDsluCounter, 5164 mSDsCounter, 0 mSdLazyCounter, 1235 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2955 SdHoareTripleChecker+Valid, 7738 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1235 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:20:43,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2955 Valid, 7738 Invalid, 1240 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1235 Invalid, 3 Unknown, 0 Unchecked, 11.0s Time] [2023-11-24 23:20:43,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2023-11-24 23:20:43,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 2067. [2023-11-24 23:20:43,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2067 states, 1220 states have (on average 1.2819672131147541) internal successors, (1564), 1276 states have internal predecessors, (1564), 715 states have call successors, (715), 130 states have call predecessors, (715), 129 states have return successors, (712), 694 states have call predecessors, (712), 712 states have call successors, (712) [2023-11-24 23:20:43,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 2067 states and 2991 transitions. [2023-11-24 23:20:43,708 INFO L78 Accepts]: Start accepts. Automaton has 2067 states and 2991 transitions. Word has length 43 [2023-11-24 23:20:43,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:20:43,709 INFO L495 AbstractCegarLoop]: Abstraction has 2067 states and 2991 transitions. [2023-11-24 23:20:43,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-24 23:20:43,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2067 states and 2991 transitions. [2023-11-24 23:20:43,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:20:43,714 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:20:43,714 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:20:43,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:20:43,715 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-24 23:20:43,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:20:43,716 INFO L85 PathProgramCache]: Analyzing trace with hash 500238243, now seen corresponding path program 1 times [2023-11-24 23:20:43,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:20:43,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704566046] [2023-11-24 23:20:43,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:43,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:20:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:20:44,427 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 23:20:44,427 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:20:44,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704566046] [2023-11-24 23:20:44,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704566046] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:20:44,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:20:44,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:20:44,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222685694] [2023-11-24 23:20:44,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:20:44,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:20:44,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:20:44,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:20:44,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:20:44,438 INFO L87 Difference]: Start difference. First operand 2067 states and 2991 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-24 23:20:47,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:49,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:51,168 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 [] [2023-11-24 23:20:56,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:20:56,163 INFO L93 Difference]: Finished difference Result 2073 states and 2996 transitions. [2023-11-24 23:20:56,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 23:20:56,171 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 48 [2023-11-24 23:20:56,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:20:56,191 INFO L225 Difference]: With dead ends: 2073 [2023-11-24 23:20:56,192 INFO L226 Difference]: Without dead ends: 2071 [2023-11-24 23:20:56,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:20:56,195 INFO L413 NwaCegarLoop]: 2558 mSDtfsCounter, 2929 mSDsluCounter, 5095 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2940 SdHoareTripleChecker+Valid, 7653 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:20:56,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2940 Valid, 7653 Invalid, 1219 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1215 Invalid, 3 Unknown, 0 Unchecked, 11.4s Time] [2023-11-24 23:20:56,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2071 states.