./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 30e01a73 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_2712cefb-acbf-4263-92ba-5936fd254404/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2712cefb-acbf-4263-92ba-5936fd254404/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2712cefb-acbf-4263-92ba-5936fd254404/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2712cefb-acbf-4263-92ba-5936fd254404/bin/utaipan-verify-mE87zJ7Ire/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_2712cefb-acbf-4263-92ba-5936fd254404/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2712cefb-acbf-4263-92ba-5936fd254404/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5afcd851c0eed3ee93d773a0172936a989a39cd6889ca2587c3b833a21bc8a3a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:13:50,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:13:50,669 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2712cefb-acbf-4263-92ba-5936fd254404/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:13:50,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:13:50,678 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:13:50,709 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:13:50,710 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:13:50,710 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:13:50,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:13:50,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:13:50,712 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:13:50,713 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:13:50,713 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:13:50,714 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:13:50,715 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:13:50,715 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:13:50,716 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:13:50,717 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:13:50,717 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:13:50,718 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:13:50,719 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:13:50,719 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:13:50,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:13:50,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:13:50,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:13:50,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:13:50,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:13:50,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:13:50,724 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:13:50,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:13:50,725 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:13:50,725 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:13:50,726 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:13:50,726 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:13:50,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:50,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:13:50,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:13:50,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:13:50,729 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:13:50,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:13:50,730 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:13:50,730 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:13:50,731 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:13:50,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:13:50,731 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_2712cefb-acbf-4263-92ba-5936fd254404/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2712cefb-acbf-4263-92ba-5936fd254404/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5afcd851c0eed3ee93d773a0172936a989a39cd6889ca2587c3b833a21bc8a3a [2023-11-23 21:13:51,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:13:51,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:13:51,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:13:51,097 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:13:51,097 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:13:51,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2712cefb-acbf-4263-92ba-5936fd254404/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-23 21:13:54,365 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:13:55,147 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:13:55,148 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2712cefb-acbf-4263-92ba-5936fd254404/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-23 21:13:55,221 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2712cefb-acbf-4263-92ba-5936fd254404/bin/utaipan-verify-mE87zJ7Ire/data/adc1d4d5d/005d09c6345c49599270bb46bae9bd74/FLAGd7f447003 [2023-11-23 21:13:55,239 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2712cefb-acbf-4263-92ba-5936fd254404/bin/utaipan-verify-mE87zJ7Ire/data/adc1d4d5d/005d09c6345c49599270bb46bae9bd74 [2023-11-23 21:13:55,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:13:55,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:13:55,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:55,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:13:55,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:13:55,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:55" (1/1) ... [2023-11-23 21:13:55,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e439e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:55, skipping insertion in model container [2023-11-23 21:13:55,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:55" (1/1) ... [2023-11-23 21:13:55,520 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:13:59,599 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_2712cefb-acbf-4263-92ba-5936fd254404/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410165,410178] [2023-11-23 21:13:59,617 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_2712cefb-acbf-4263-92ba-5936fd254404/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410334,410347] [2023-11-23 21:13:59,618 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_2712cefb-acbf-4263-92ba-5936fd254404/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410501,410514] [2023-11-23 21:13:59,619 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_2712cefb-acbf-4263-92ba-5936fd254404/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410669,410682] [2023-11-23 21:13:59,650 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:59,719 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:13:59,896 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] [2023-11-23 21:13:59,898 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] [2023-11-23 21:13:59,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5309] [2023-11-23 21:13:59,901 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] [2023-11-23 21:13:59,901 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] [2023-11-23 21:13:59,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5519] [2023-11-23 21:13:59,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5526] [2023-11-23 21:13:59,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5534] [2023-11-23 21:13:59,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5541] [2023-11-23 21:13:59,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5549] [2023-11-23 21:13:59,913 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] [2023-11-23 21:13:59,917 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] [2023-11-23 21:13:59,919 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] [2023-11-23 21:13:59,921 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] [2023-11-23 21:13:59,931 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] [2023-11-23 21:13:59,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6043] [2023-11-23 21:13:59,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6318] [2023-11-23 21:13:59,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6321] [2023-11-23 21:13:59,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6324] [2023-11-23 21:13:59,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6327] [2023-11-23 21:13:59,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6358] [2023-11-23 21:13:59,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6361] [2023-11-23 21:13:59,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6364] [2023-11-23 21:13:59,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6367] [2023-11-23 21:13:59,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6398] [2023-11-23 21:13:59,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6401] [2023-11-23 21:13:59,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6404] [2023-11-23 21:13:59,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6407] [2023-11-23 21:13:59,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6438] [2023-11-23 21:13:59,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6441] [2023-11-23 21:13:59,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6444] [2023-11-23 21:13:59,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6447] [2023-11-23 21:13:59,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7215] [2023-11-23 21:13:59,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7729] [2023-11-23 21:13:59,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7752] [2023-11-23 21:13:59,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7759] [2023-11-23 21:13:59,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7786] [2023-11-23 21:14:00,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8205] [2023-11-23 21:14:00,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9825] [2023-11-23 21:14:00,091 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9890] [2023-11-23 21:14:00,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9900] [2023-11-23 21:14:00,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9912] [2023-11-23 21:14:00,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9934] [2023-11-23 21:14:00,107 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10124] [2023-11-23 21:14:00,278 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_2712cefb-acbf-4263-92ba-5936fd254404/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410165,410178] [2023-11-23 21:14:00,279 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_2712cefb-acbf-4263-92ba-5936fd254404/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410334,410347] [2023-11-23 21:14:00,279 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_2712cefb-acbf-4263-92ba-5936fd254404/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410501,410514] [2023-11-23 21:14:00,280 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_2712cefb-acbf-4263-92ba-5936fd254404/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410669,410682] [2023-11-23 21:14:00,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:00,619 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:00,620 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:00,628 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:00,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:00 WrapperNode [2023-11-23 21:14:00,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:00,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:00,632 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:00,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:00,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:00" (1/1) ... [2023-11-23 21:14:00,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:00" (1/1) ... [2023-11-23 21:14:01,136 INFO L138 Inliner]: procedures = 541, calls = 2937, calls flagged for inlining = 282, calls inlined = 248, statements flattened = 8638 [2023-11-23 21:14:01,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:01,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:01,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:01,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:01,148 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:00" (1/1) ... [2023-11-23 21:14:01,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:00" (1/1) ... [2023-11-23 21:14:01,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:00" (1/1) ... [2023-11-23 21:14:01,187 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:00" (1/1) ... [2023-11-23 21:14:01,395 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:00" (1/1) ... [2023-11-23 21:14:01,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:00" (1/1) ... [2023-11-23 21:14:01,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:00" (1/1) ... [2023-11-23 21:14:01,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:00" (1/1) ... [2023-11-23 21:14:01,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:01,565 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:01,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:01,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:01,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:00" (1/1) ... [2023-11-23 21:14:01,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:01,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2712cefb-acbf-4263-92ba-5936fd254404/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:01,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2712cefb-acbf-4263-92ba-5936fd254404/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:01,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2712cefb-acbf-4263-92ba-5936fd254404/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-23 21:14:01,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-23 21:14:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:14:01,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:14:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-23 21:14:01,648 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-23 21:14:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:14:01,649 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:14:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:14:01,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:14:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:14:01,650 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:14:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:14:01,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:14:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:14:01,651 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:14:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 21:14:01,651 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 21:14:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2023-11-23 21:14:01,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2023-11-23 21:14:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2023-11-23 21:14:01,652 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2023-11-23 21:14:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-23 21:14:01,653 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-23 21:14:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-23 21:14:01,653 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-23 21:14:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:14:01,653 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:14:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:14:01,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:14:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:14:01,654 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:14:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 21:14:01,654 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 21:14:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:14:01,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:14:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-23 21:14:01,656 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-23 21:14:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:14:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2023-11-23 21:14:01,656 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2023-11-23 21:14:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:14:01,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:14:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-23 21:14:01,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-23 21:14:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:14:01,657 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:14:01,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:14:01,658 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:14:01,658 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:14:01,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-23 21:14:01,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-23 21:14:01,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:14:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:14:01,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:14:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2023-11-23 21:14:01,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2023-11-23 21:14:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:14:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:14:01,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:14:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:14:01,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:14:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2023-11-23 21:14:01,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2023-11-23 21:14:01,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 21:14:01,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 21:14:01,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:14:01,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:14:01,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:14:01,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:14:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-23 21:14:01,664 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-23 21:14:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:14:01,664 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:14:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2023-11-23 21:14:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2023-11-23 21:14:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-23 21:14:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-23 21:14:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-23 21:14:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-23 21:14:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:14:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:14:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:14:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-23 21:14:01,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-23 21:14:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2023-11-23 21:14:01,667 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2023-11-23 21:14:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-23 21:14:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-23 21:14:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:14:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:14:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:14:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:14:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:14:01,670 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:14:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:14:01,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:14:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2023-11-23 21:14:01,674 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2023-11-23 21:14:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-23 21:14:01,675 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-23 21:14:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2023-11-23 21:14:01,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2023-11-23 21:14:01,676 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 21:14:01,681 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 21:14:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2023-11-23 21:14:01,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2023-11-23 21:14:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-23 21:14:01,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-23 21:14:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-23 21:14:01,683 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-23 21:14:01,683 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:14:01,683 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:14:01,683 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-23 21:14:01,683 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-23 21:14:01,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 21:14:01,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 21:14:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2023-11-23 21:14:01,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2023-11-23 21:14:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-23 21:14:01,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-23 21:14:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:14:01,684 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:14:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2023-11-23 21:14:01,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2023-11-23 21:14:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-23 21:14:01,685 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-23 21:14:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:01,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:14:01,686 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:14:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:14:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:14:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:14:01,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:14:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2023-11-23 21:14:01,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2023-11-23 21:14:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:14:01,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:14:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2023-11-23 21:14:01,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2023-11-23 21:14:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2023-11-23 21:14:01,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2023-11-23 21:14:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-23 21:14:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 21:14:01,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 21:14:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2023-11-23 21:14:01,688 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2023-11-23 21:14:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2023-11-23 21:14:01,688 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2023-11-23 21:14:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-23 21:14:01,689 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-23 21:14:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:14:01,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:14:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-23 21:14:01,689 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-23 21:14:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:14:01,690 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:14:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-23 21:14:01,690 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-23 21:14:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-11-23 21:14:01,690 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-11-23 21:14:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2023-11-23 21:14:01,690 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2023-11-23 21:14:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2023-11-23 21:14:01,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2023-11-23 21:14:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2023-11-23 21:14:01,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2023-11-23 21:14:01,693 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-23 21:14:01,693 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-23 21:14:01,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:14:01,693 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2023-11-23 21:14:01,694 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2023-11-23 21:14:01,694 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-23 21:14:01,694 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-23 21:14:01,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:14:01,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2023-11-23 21:14:01,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2023-11-23 21:14:01,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:14:01,695 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2023-11-23 21:14:01,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2023-11-23 21:14:01,695 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:14:01,695 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:14:01,695 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2023-11-23 21:14:01,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2023-11-23 21:14:01,695 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-23 21:14:01,695 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-23 21:14:01,696 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:14:01,696 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:14:01,696 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2023-11-23 21:14:01,696 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2023-11-23 21:14:01,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:14:01,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:14:01,696 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2023-11-23 21:14:01,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2023-11-23 21:14:01,697 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-23 21:14:01,697 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-23 21:14:01,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-23 21:14:01,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-23 21:14:01,697 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2023-11-23 21:14:01,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2023-11-23 21:14:01,698 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2023-11-23 21:14:01,698 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2023-11-23 21:14:01,698 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-23 21:14:01,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-23 21:14:01,698 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2023-11-23 21:14:01,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2023-11-23 21:14:01,698 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-23 21:14:01,699 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-23 21:14:01,699 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 21:14:01,699 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 21:14:01,699 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:14:01,699 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:14:01,699 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2023-11-23 21:14:01,699 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2023-11-23 21:14:01,700 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:14:01,700 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:14:01,700 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2023-11-23 21:14:01,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2023-11-23 21:14:01,700 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2023-11-23 21:14:01,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2023-11-23 21:14:01,701 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 21:14:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 21:14:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:14:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:14:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:14:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2023-11-23 21:14:01,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2023-11-23 21:14:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:14:01,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:14:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-23 21:14:01,708 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-23 21:14:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-23 21:14:01,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-23 21:14:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2023-11-23 21:14:01,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2023-11-23 21:14:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2023-11-23 21:14:01,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2023-11-23 21:14:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-23 21:14:01,709 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-23 21:14:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2023-11-23 21:14:01,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2023-11-23 21:14:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:14:01,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:14:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-23 21:14:01,710 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-23 21:14:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:14:01,710 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:14:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-23 21:14:01,710 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-23 21:14:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-23 21:14:01,710 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-23 21:14:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:14:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-23 21:14:01,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-23 21:14:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-23 21:14:01,711 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-23 21:14:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:14:01,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:14:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-23 21:14:01,712 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-23 21:14:02,850 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:02,858 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:03,130 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:14:14,831 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:19,933 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:19,934 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-23 21:14:19,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:19 BoogieIcfgContainer [2023-11-23 21:14:19,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:19,942 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:19,943 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:19,946 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:19,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:13:55" (1/3) ... [2023-11-23 21:14:19,947 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fca3c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:19, skipping insertion in model container [2023-11-23 21:14:19,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:00" (2/3) ... [2023-11-23 21:14:19,949 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fca3c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:19, skipping insertion in model container [2023-11-23 21:14:19,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:19" (3/3) ... [2023-11-23 21:14:19,950 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-23 21:14:19,975 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:19,975 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-23 21:14:20,104 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:20,114 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;@2b073ab9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:20,115 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 21:14:20,131 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) [2023-11-23 21:14:20,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 21:14:20,163 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:20,165 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] [2023-11-23 21:14:20,165 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)] === [2023-11-23 21:14:20,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:20,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1595574315, now seen corresponding path program 1 times [2023-11-23 21:14:20,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:20,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150112893] [2023-11-23 21:14:20,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:20,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:21,603 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-23 21:14:21,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:21,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150112893] [2023-11-23 21:14:21,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150112893] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:21,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:21,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:14:21,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115791568] [2023-11-23 21:14:21,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:21,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:14:21,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:21,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:14:21,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:14:21,675 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) [2023-11-23 21:14:24,595 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 [] [2023-11-23 21:14:26,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:14:28,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:14:32,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:32,305 INFO L93 Difference]: Finished difference Result 4109 states and 6076 transitions. [2023-11-23 21:14:32,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:14:32,308 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 [2023-11-23 21:14:32,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:32,369 INFO L225 Difference]: With dead ends: 4109 [2023-11-23 21:14:32,369 INFO L226 Difference]: Without dead ends: 2066 [2023-11-23 21:14:32,404 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 [2023-11-23 21:14:32,408 INFO L413 NwaCegarLoop]: 2578 mSDtfsCounter, 2940 mSDsluCounter, 5171 mSDsCounter, 0 mSdLazyCounter, 1217 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s 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, 10.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:32,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2953 Valid, 7749 Invalid, 1222 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1217 Invalid, 3 Unknown, 0 Unchecked, 10.1s Time] [2023-11-23 21:14:32,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2066 states. [2023-11-23 21:14:32,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2066 to 2064. [2023-11-23 21:14:32,703 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) [2023-11-23 21:14:32,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 2064 states and 2988 transitions. [2023-11-23 21:14:32,745 INFO L78 Accepts]: Start accepts. Automaton has 2064 states and 2988 transitions. Word has length 43 [2023-11-23 21:14:32,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:32,747 INFO L495 AbstractCegarLoop]: Abstraction has 2064 states and 2988 transitions. [2023-11-23 21:14:32,748 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) [2023-11-23 21:14:32,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2064 states and 2988 transitions. [2023-11-23 21:14:32,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 21:14:32,761 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:32,761 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] [2023-11-23 21:14:32,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:14:32,762 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)] === [2023-11-23 21:14:32,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:32,763 INFO L85 PathProgramCache]: Analyzing trace with hash -298689888, now seen corresponding path program 1 times [2023-11-23 21:14:32,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:32,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049702138] [2023-11-23 21:14:32,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:32,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:33,626 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-23 21:14:33,627 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:33,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049702138] [2023-11-23 21:14:33,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049702138] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:33,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:33,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:14:33,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095824782] [2023-11-23 21:14:33,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:33,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:14:33,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:33,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:14:33,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:14:33,632 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) [2023-11-23 21:14:36,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:14:38,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:14:40,508 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 []