./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2931ba2-9367-4146-a98e-c2f89030cbec/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2931ba2-9367-4146-a98e-c2f89030cbec/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2931ba2-9367-4146-a98e-c2f89030cbec/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2931ba2-9367-4146-a98e-c2f89030cbec/bin/utaipan-verify-t7M7D8N6sZ/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_c2931ba2-9367-4146-a98e-c2f89030cbec/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2931ba2-9367-4146-a98e-c2f89030cbec/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5afcd851c0eed3ee93d773a0172936a989a39cd6889ca2587c3b833a21bc8a3a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:47:10,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:47:11,030 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2931ba2-9367-4146-a98e-c2f89030cbec/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:47:11,037 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:47:11,037 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:47:11,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:47:11,067 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:47:11,068 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:47:11,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:47:11,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:47:11,070 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:47:11,071 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:47:11,071 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:47:11,072 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:47:11,073 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:47:11,073 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:47:11,074 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:47:11,075 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:47:11,075 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:47:11,076 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:47:11,077 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:47:11,077 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:47:11,078 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:47:11,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:47:11,079 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:47:11,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:47:11,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:47:11,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:47:11,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:47:11,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:47:11,083 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:47:11,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:47:11,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:47:11,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:11,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:47:11,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:47:11,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:47:11,086 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:47:11,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:47:11,086 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:47:11,087 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:47:11,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:47:11,088 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_c2931ba2-9367-4146-a98e-c2f89030cbec/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2931ba2-9367-4146-a98e-c2f89030cbec/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5afcd851c0eed3ee93d773a0172936a989a39cd6889ca2587c3b833a21bc8a3a [2023-11-19 04:47:11,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:47:11,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:47:11,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:47:11,427 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:47:11,429 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:47:11,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2931ba2-9367-4146-a98e-c2f89030cbec/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-19 04:47:14,647 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:47:15,401 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:47:15,402 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2931ba2-9367-4146-a98e-c2f89030cbec/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-19 04:47:15,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2931ba2-9367-4146-a98e-c2f89030cbec/bin/utaipan-verify-t7M7D8N6sZ/data/c5d6168a1/6e21be1b5cb543e5a436fd00814245b5/FLAGb44489c9d [2023-11-19 04:47:15,492 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2931ba2-9367-4146-a98e-c2f89030cbec/bin/utaipan-verify-t7M7D8N6sZ/data/c5d6168a1/6e21be1b5cb543e5a436fd00814245b5 [2023-11-19 04:47:15,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:47:15,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:47:15,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:15,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:47:15,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:47:15,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cbf297e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15, skipping insertion in model container [2023-11-19 04:47:15,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,782 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:47:20,477 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_c2931ba2-9367-4146-a98e-c2f89030cbec/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410165,410178] [2023-11-19 04:47:20,484 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_c2931ba2-9367-4146-a98e-c2f89030cbec/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410334,410347] [2023-11-19 04:47:20,485 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_c2931ba2-9367-4146-a98e-c2f89030cbec/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410501,410514] [2023-11-19 04:47:20,486 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_c2931ba2-9367-4146-a98e-c2f89030cbec/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410669,410682] [2023-11-19 04:47:20,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:20,589 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:47:20,727 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] [2023-11-19 04:47:20,729 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] [2023-11-19 04:47:20,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5309] [2023-11-19 04:47:20,742 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] [2023-11-19 04:47:20,743 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] [2023-11-19 04:47:20,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5519] [2023-11-19 04:47:20,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5526] [2023-11-19 04:47:20,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5534] [2023-11-19 04:47:20,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5541] [2023-11-19 04:47:20,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5549] [2023-11-19 04:47:20,755 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] [2023-11-19 04:47:20,759 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] [2023-11-19 04:47:20,760 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] [2023-11-19 04:47:20,762 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] [2023-11-19 04:47:20,772 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] [2023-11-19 04:47:20,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6043] [2023-11-19 04:47:20,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6318] [2023-11-19 04:47:20,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6321] [2023-11-19 04:47:20,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6324] [2023-11-19 04:47:20,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6327] [2023-11-19 04:47:20,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6358] [2023-11-19 04:47:20,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6361] [2023-11-19 04:47:20,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6364] [2023-11-19 04:47:20,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6367] [2023-11-19 04:47:20,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6398] [2023-11-19 04:47:20,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6401] [2023-11-19 04:47:20,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6404] [2023-11-19 04:47:20,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6407] [2023-11-19 04:47:20,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6438] [2023-11-19 04:47:20,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6441] [2023-11-19 04:47:20,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6444] [2023-11-19 04:47:20,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6447] [2023-11-19 04:47:20,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7215] [2023-11-19 04:47:20,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7729] [2023-11-19 04:47:20,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7752] [2023-11-19 04:47:20,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7759] [2023-11-19 04:47:20,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7786] [2023-11-19 04:47:20,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8205] [2023-11-19 04:47:20,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9825] [2023-11-19 04:47:20,993 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9890] [2023-11-19 04:47:20,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9900] [2023-11-19 04:47:20,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9912] [2023-11-19 04:47:20,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9934] [2023-11-19 04:47:21,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10124] [2023-11-19 04:47:21,128 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_c2931ba2-9367-4146-a98e-c2f89030cbec/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410165,410178] [2023-11-19 04:47:21,129 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_c2931ba2-9367-4146-a98e-c2f89030cbec/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410334,410347] [2023-11-19 04:47:21,130 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_c2931ba2-9367-4146-a98e-c2f89030cbec/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410501,410514] [2023-11-19 04:47:21,130 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_c2931ba2-9367-4146-a98e-c2f89030cbec/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410669,410682] [2023-11-19 04:47:21,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:21,440 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:47:21,441 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:47:21,451 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:47:21,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:21 WrapperNode [2023-11-19 04:47:21,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:21,453 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:21,453 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:47:21,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:47:21,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:21" (1/1) ... [2023-11-19 04:47:21,656 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:21" (1/1) ... [2023-11-19 04:47:22,009 INFO L138 Inliner]: procedures = 541, calls = 2937, calls flagged for inlining = 282, calls inlined = 248, statements flattened = 8638 [2023-11-19 04:47:22,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:22,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:47:22,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:47:22,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:47:22,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:21" (1/1) ... [2023-11-19 04:47:22,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:21" (1/1) ... [2023-11-19 04:47:22,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:21" (1/1) ... [2023-11-19 04:47:22,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:21" (1/1) ... [2023-11-19 04:47:22,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:21" (1/1) ... [2023-11-19 04:47:22,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:21" (1/1) ... [2023-11-19 04:47:22,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:21" (1/1) ... [2023-11-19 04:47:22,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:21" (1/1) ... [2023-11-19 04:47:22,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:47:22,591 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:47:22,591 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:47:22,591 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:47:22,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:21" (1/1) ... [2023-11-19 04:47:22,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:22,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2931ba2-9367-4146-a98e-c2f89030cbec/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:47:22,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2931ba2-9367-4146-a98e-c2f89030cbec/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:47:22,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2931ba2-9367-4146-a98e-c2f89030cbec/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:47:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-19 04:47:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-19 04:47:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:47:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:47:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 04:47:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 04:47:22,772 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 04:47:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 04:47:22,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:47:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:47:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 04:47:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 04:47:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 04:47:22,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 04:47:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 04:47:22,776 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 04:47:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 04:47:22,776 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 04:47:22,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2023-11-19 04:47:22,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2023-11-19 04:47:22,777 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2023-11-19 04:47:22,777 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2023-11-19 04:47:22,778 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 04:47:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 04:47:22,779 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-19 04:47:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-19 04:47:22,780 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 04:47:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 04:47:22,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 04:47:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 04:47:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 04:47:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 04:47:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 04:47:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 04:47:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:47:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:47:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 04:47:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 04:47:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:47:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2023-11-19 04:47:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2023-11-19 04:47:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 04:47:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 04:47:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-19 04:47:22,785 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-19 04:47:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 04:47:22,785 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 04:47:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:47:22,786 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 04:47:22,786 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 04:47:22,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-19 04:47:22,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-19 04:47:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:47:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 04:47:22,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 04:47:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2023-11-19 04:47:22,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2023-11-19 04:47:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:47:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 04:47:22,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 04:47:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:47:22,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:47:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2023-11-19 04:47:22,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2023-11-19 04:47:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 04:47:22,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 04:47:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 04:47:22,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 04:47:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 04:47:22,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 04:47:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 04:47:22,795 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 04:47:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 04:47:22,795 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 04:47:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2023-11-19 04:47:22,795 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2023-11-19 04:47:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-19 04:47:22,796 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-19 04:47:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-19 04:47:22,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-19 04:47:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 04:47:22,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 04:47:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:47:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-19 04:47:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-19 04:47:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2023-11-19 04:47:22,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2023-11-19 04:47:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:47:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-19 04:47:22,800 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-19 04:47:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 04:47:22,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 04:47:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 04:47:22,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 04:47:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:47:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 04:47:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:47:22,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:47:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2023-11-19 04:47:22,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2023-11-19 04:47:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-19 04:47:22,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-19 04:47:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2023-11-19 04:47:22,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2023-11-19 04:47:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 04:47:22,811 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 04:47:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2023-11-19 04:47:22,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2023-11-19 04:47:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 04:47:22,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 04:47:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-19 04:47:22,818 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-19 04:47:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:47:22,819 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:47:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 04:47:22,819 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 04:47:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 04:47:22,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 04:47:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2023-11-19 04:47:22,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2023-11-19 04:47:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-19 04:47:22,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-19 04:47:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 04:47:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 04:47:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2023-11-19 04:47:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2023-11-19 04:47:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-19 04:47:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-19 04:47:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:47:22,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:47:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 04:47:22,822 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 04:47:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:47:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:47:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:47:22,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:47:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2023-11-19 04:47:22,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2023-11-19 04:47:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 04:47:22,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 04:47:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2023-11-19 04:47:22,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2023-11-19 04:47:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2023-11-19 04:47:22,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2023-11-19 04:47:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-19 04:47:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 04:47:22,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 04:47:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2023-11-19 04:47:22,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2023-11-19 04:47:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2023-11-19 04:47:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2023-11-19 04:47:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 04:47:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 04:47:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:47:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:47:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-19 04:47:22,827 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-19 04:47:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 04:47:22,828 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 04:47:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-19 04:47:22,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-19 04:47:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-11-19 04:47:22,828 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-11-19 04:47:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2023-11-19 04:47:22,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2023-11-19 04:47:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2023-11-19 04:47:22,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2023-11-19 04:47:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2023-11-19 04:47:22,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2023-11-19 04:47:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 04:47:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 04:47:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:47:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2023-11-19 04:47:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2023-11-19 04:47:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 04:47:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 04:47:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:47:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2023-11-19 04:47:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2023-11-19 04:47:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:47:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2023-11-19 04:47:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2023-11-19 04:47:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:47:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:47:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2023-11-19 04:47:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2023-11-19 04:47:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-19 04:47:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-19 04:47:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 04:47:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 04:47:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2023-11-19 04:47:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2023-11-19 04:47:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 04:47:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 04:47:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2023-11-19 04:47:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2023-11-19 04:47:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-19 04:47:22,835 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-19 04:47:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-19 04:47:22,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-19 04:47:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2023-11-19 04:47:22,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2023-11-19 04:47:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2023-11-19 04:47:22,836 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2023-11-19 04:47:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-19 04:47:22,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-19 04:47:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2023-11-19 04:47:22,837 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2023-11-19 04:47:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 04:47:22,837 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 04:47:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 04:47:22,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 04:47:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 04:47:22,838 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 04:47:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2023-11-19 04:47:22,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2023-11-19 04:47:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 04:47:22,838 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 04:47:22,839 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2023-11-19 04:47:22,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2023-11-19 04:47:22,839 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2023-11-19 04:47:22,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2023-11-19 04:47:22,839 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 04:47:22,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 04:47:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:47:22,845 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:47:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:47:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2023-11-19 04:47:22,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2023-11-19 04:47:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:47:22,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:47:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 04:47:22,846 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 04:47:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-19 04:47:22,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-19 04:47:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2023-11-19 04:47:22,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2023-11-19 04:47:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2023-11-19 04:47:22,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2023-11-19 04:47:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-19 04:47:22,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-19 04:47:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2023-11-19 04:47:22,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2023-11-19 04:47:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 04:47:22,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 04:47:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 04:47:22,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 04:47:22,851 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 04:47:22,851 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 04:47:22,851 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 04:47:22,851 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 04:47:22,851 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-19 04:47:22,852 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-19 04:47:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:47:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-19 04:47:22,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-19 04:47:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-19 04:47:22,853 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-19 04:47:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 04:47:22,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 04:47:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-19 04:47:22,853 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-19 04:47:24,165 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:47:24,172 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:47:24,530 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:47:34,905 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:47:40,012 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:47:40,012 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 04:47:40,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:40 BoogieIcfgContainer [2023-11-19 04:47:40,036 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:47:40,041 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:47:40,042 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:47:40,045 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:47:40,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:47:15" (1/3) ... [2023-11-19 04:47:40,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2d262d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:40, skipping insertion in model container [2023-11-19 04:47:40,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:21" (2/3) ... [2023-11-19 04:47:40,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2d262d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:40, skipping insertion in model container [2023-11-19 04:47:40,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:40" (3/3) ... [2023-11-19 04:47:40,051 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-19 04:47:40,076 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:47:40,077 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 04:47:40,216 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:47:40,225 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;@188769c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:47:40,225 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 04:47:40,243 INFO L276 IsEmpty]: Start isEmpty. Operand has 2051 states, 1208 states have (on average 1.2922185430463575) internal successors, (1561), 1272 states have internal predecessors, (1561), 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) [2023-11-19 04:47:40,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:47:40,261 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:40,262 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] [2023-11-19 04:47:40,263 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)] === [2023-11-19 04:47:40,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:40,271 INFO L85 PathProgramCache]: Analyzing trace with hash 25128212, now seen corresponding path program 1 times [2023-11-19 04:47:40,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:47:40,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475493286] [2023-11-19 04:47:40,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:40,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:47:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:41,613 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 04:47:41,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:47:41,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475493286] [2023-11-19 04:47:41,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475493286] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:47:41,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:47:41,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:47:41,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619114234] [2023-11-19 04:47:41,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:47:41,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:47:41,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:47:41,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:47:41,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:47:41,677 INFO L87 Difference]: Start difference. First operand has 2051 states, 1208 states have (on average 1.2922185430463575) internal successors, (1561), 1272 states have internal predecessors, (1561), 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) [2023-11-19 04:47:44,470 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 [] [2023-11-19 04:47:46,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:47:48,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:47:53,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:47:53,019 INFO L93 Difference]: Finished difference Result 4109 states and 6076 transitions. [2023-11-19 04:47:53,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:47:53,023 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 [2023-11-19 04:47:53,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:47:53,075 INFO L225 Difference]: With dead ends: 4109 [2023-11-19 04:47:53,075 INFO L226 Difference]: Without dead ends: 2066 [2023-11-19 04:47:53,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 04:47:53,107 INFO L413 NwaCegarLoop]: 2578 mSDtfsCounter, 2940 mSDsluCounter, 5171 mSDsCounter, 0 mSdLazyCounter, 1217 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2953 SdHoareTripleChecker+Valid, 7749 SdHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1217 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2023-11-19 04:47:53,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2953 Valid, 7749 Invalid, 1222 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1217 Invalid, 3 Unknown, 0 Unchecked, 10.7s Time] [2023-11-19 04:47:53,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2066 states. [2023-11-19 04:47:53,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2066 to 2064. [2023-11-19 04:47:53,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2064 states, 1217 states have (on average 1.2826622843056696) internal successors, (1561), 1276 states have internal predecessors, (1561), 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) [2023-11-19 04:47:53,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 2064 states and 2988 transitions. [2023-11-19 04:47:53,461 INFO L78 Accepts]: Start accepts. Automaton has 2064 states and 2988 transitions. Word has length 43 [2023-11-19 04:47:53,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:47:53,462 INFO L495 AbstractCegarLoop]: Abstraction has 2064 states and 2988 transitions. [2023-11-19 04:47:53,462 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) [2023-11-19 04:47:53,463 INFO L276 IsEmpty]: Start isEmpty. Operand 2064 states and 2988 transitions. [2023-11-19 04:47:53,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:47:53,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:53,474 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] [2023-11-19 04:47:53,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:47:53,475 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)] === [2023-11-19 04:47:53,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:53,476 INFO L85 PathProgramCache]: Analyzing trace with hash -925556905, now seen corresponding path program 1 times [2023-11-19 04:47:53,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:47:53,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306043779] [2023-11-19 04:47:53,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:53,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:47:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:54,270 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 04:47:54,271 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:47:54,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306043779] [2023-11-19 04:47:54,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306043779] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:47:54,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:47:54,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:47:54,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440937758] [2023-11-19 04:47:54,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:47:54,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:47:54,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:47:54,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:47:54,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:47:54,276 INFO L87 Difference]: Start difference. First operand 2064 states and 2988 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) [2023-11-19 04:47:56,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:47:58,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:48:00,954 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 []