./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01ab2b0-91e9-412d-a247-7447b404687c/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01ab2b0-91e9-412d-a247-7447b404687c/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01ab2b0-91e9-412d-a247-7447b404687c/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01ab2b0-91e9-412d-a247-7447b404687c/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01ab2b0-91e9-412d-a247-7447b404687c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01ab2b0-91e9-412d-a247-7447b404687c/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bf04605b927a140287b1c754ad26365df4778b673325ded7dfdba05deed83fbc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:58:15,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:58:15,402 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01ab2b0-91e9-412d-a247-7447b404687c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:58:15,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:58:15,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:58:15,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:58:15,449 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:58:15,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:58:15,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:58:15,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:58:15,456 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:58:15,457 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:58:15,458 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:58:15,459 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:58:15,460 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:58:15,460 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:58:15,461 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:58:15,461 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:58:15,462 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:58:15,462 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:58:15,462 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:58:15,463 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:58:15,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:58:15,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:58:15,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:58:15,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:58:15,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:58:15,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:58:15,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:58:15,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:58:15,469 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:58:15,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:58:15,469 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:58:15,469 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:58:15,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:15,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:58:15,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:58:15,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:58:15,471 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:58:15,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:58:15,471 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:58:15,472 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:58:15,472 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:58:15,472 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:58:15,473 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_f01ab2b0-91e9-412d-a247-7447b404687c/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01ab2b0-91e9-412d-a247-7447b404687c/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf04605b927a140287b1c754ad26365df4778b673325ded7dfdba05deed83fbc [2023-11-24 23:58:15,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:58:15,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:58:15,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:58:15,788 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:58:15,789 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:58:15,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01ab2b0-91e9-412d-a247-7447b404687c/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-24 23:58:19,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:58:19,796 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:58:19,797 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01ab2b0-91e9-412d-a247-7447b404687c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-24 23:58:19,858 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01ab2b0-91e9-412d-a247-7447b404687c/bin/utaipan-verify-SwPr7d2a91/data/2a551988c/043c84393a024c3496cbae4ece6f90fb/FLAG7b3facb17 [2023-11-24 23:58:19,876 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01ab2b0-91e9-412d-a247-7447b404687c/bin/utaipan-verify-SwPr7d2a91/data/2a551988c/043c84393a024c3496cbae4ece6f90fb [2023-11-24 23:58:19,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:58:19,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:58:19,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:19,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:58:19,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:58:19,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:19" (1/1) ... [2023-11-24 23:58:19,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb0d727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:19, skipping insertion in model container [2023-11-24 23:58:19,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:19" (1/1) ... [2023-11-24 23:58:20,127 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:58:24,572 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_f01ab2b0-91e9-412d-a247-7447b404687c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422318,422331] [2023-11-24 23:58:24,579 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_f01ab2b0-91e9-412d-a247-7447b404687c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422487,422500] [2023-11-24 23:58:24,580 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_f01ab2b0-91e9-412d-a247-7447b404687c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422654,422667] [2023-11-24 23:58:24,581 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_f01ab2b0-91e9-412d-a247-7447b404687c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422822,422835] [2023-11-24 23:58:24,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:24,669 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:58:24,819 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"); [5269] [2023-11-24 23:58:24,821 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)); [5276] [2023-11-24 23:58:24,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5283] [2023-11-24 23:58:24,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5324-5325] [2023-11-24 23:58:24,825 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"); [5330-5332] [2023-11-24 23:58:24,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5493] [2023-11-24 23:58:24,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5500] [2023-11-24 23:58:24,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5508] [2023-11-24 23:58:24,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5515] [2023-11-24 23:58:24,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5523] [2023-11-24 23:58:24,842 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)); [5643-5644] [2023-11-24 23:58:24,845 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)); [5677-5678] [2023-11-24 23:58:24,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5714-5715] [2023-11-24 23:58:24,848 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)); [5751-5752] [2023-11-24 23:58:24,858 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [6010-6011] [2023-11-24 23:58:24,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6017] [2023-11-24 23:58:24,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6292] [2023-11-24 23:58:24,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6295] [2023-11-24 23:58:24,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6298] [2023-11-24 23:58:24,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6301] [2023-11-24 23:58:24,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6332] [2023-11-24 23:58:24,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6335] [2023-11-24 23:58:24,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6338] [2023-11-24 23:58:24,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6341] [2023-11-24 23:58:24,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6372] [2023-11-24 23:58:24,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6375] [2023-11-24 23:58:24,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6378] [2023-11-24 23:58:24,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6381] [2023-11-24 23:58:24,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6412] [2023-11-24 23:58:24,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6415] [2023-11-24 23:58:24,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6418] [2023-11-24 23:58:24,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6421] [2023-11-24 23:58:24,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7189] [2023-11-24 23:58:24,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7703] [2023-11-24 23:58:24,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7726] [2023-11-24 23:58:24,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7733] [2023-11-24 23:58:24,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7760] [2023-11-24 23:58:24,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8179] [2023-11-24 23:58:25,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9799] [2023-11-24 23:58:25,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9864] [2023-11-24 23:58:25,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9874] [2023-11-24 23:58:25,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9886] [2023-11-24 23:58:25,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9908] [2023-11-24 23:58:25,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10098] [2023-11-24 23:58:25,322 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_f01ab2b0-91e9-412d-a247-7447b404687c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422318,422331] [2023-11-24 23:58:25,323 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_f01ab2b0-91e9-412d-a247-7447b404687c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422487,422500] [2023-11-24 23:58:25,324 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_f01ab2b0-91e9-412d-a247-7447b404687c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422654,422667] [2023-11-24 23:58:25,325 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_f01ab2b0-91e9-412d-a247-7447b404687c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422822,422835] [2023-11-24 23:58:25,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:25,628 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:25,628 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:25,635 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:58:25,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:25 WrapperNode [2023-11-24 23:58:25,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:25,637 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:25,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:58:25,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:58:25,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:25" (1/1) ... [2023-11-24 23:58:25,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:25" (1/1) ... [2023-11-24 23:58:26,147 INFO L138 Inliner]: procedures = 559, calls = 2977, calls flagged for inlining = 295, calls inlined = 261, statements flattened = 8902 [2023-11-24 23:58:26,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:26,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:58:26,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:58:26,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:58:26,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:25" (1/1) ... [2023-11-24 23:58:26,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:25" (1/1) ... [2023-11-24 23:58:26,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:25" (1/1) ... [2023-11-24 23:58:26,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:25" (1/1) ... [2023-11-24 23:58:26,411 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:25" (1/1) ... [2023-11-24 23:58:26,532 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:25" (1/1) ... [2023-11-24 23:58:26,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:25" (1/1) ... [2023-11-24 23:58:26,638 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:25" (1/1) ... [2023-11-24 23:58:26,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:58:26,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:58:26,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:58:26,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:58:26,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:25" (1/1) ... [2023-11-24 23:58:26,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:26,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01ab2b0-91e9-412d-a247-7447b404687c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:58:26,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01ab2b0-91e9-412d-a247-7447b404687c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:58:26,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01ab2b0-91e9-412d-a247-7447b404687c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:58:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-24 23:58:26,798 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-24 23:58:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:58:26,798 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:58:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-24 23:58:26,799 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-24 23:58:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-24 23:58:26,799 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-24 23:58:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:58:26,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:58:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-24 23:58:26,801 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-24 23:58:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:58:26,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:58:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-24 23:58:26,802 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-24 23:58:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-24 23:58:26,802 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-24 23:58:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2023-11-24 23:58:26,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2023-11-24 23:58:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2023-11-24 23:58:26,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2023-11-24 23:58:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-24 23:58:26,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-24 23:58:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-24 23:58:26,804 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-24 23:58:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-24 23:58:26,804 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-24 23:58:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:58:26,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:58:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-24 23:58:26,805 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-24 23:58:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-24 23:58:26,805 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-24 23:58:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:58:26,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:58:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-24 23:58:26,806 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-24 23:58:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:58:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2023-11-24 23:58:26,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2023-11-24 23:58:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-24 23:58:26,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-24 23:58:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-24 23:58:26,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-24 23:58:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-24 23:58:26,808 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-24 23:58:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:58:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2023-11-24 23:58:26,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2023-11-24 23:58:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-24 23:58:26,809 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-24 23:58:26,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-24 23:58:26,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-24 23:58:26,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:58:26,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:58:26,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:58:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2023-11-24 23:58:26,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2023-11-24 23:58:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:58:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-24 23:58:26,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-24 23:58:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-24 23:58:26,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-24 23:58:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2023-11-24 23:58:26,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2023-11-24 23:58:26,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-24 23:58:26,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-24 23:58:26,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-24 23:58:26,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-24 23:58:26,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-24 23:58:26,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-24 23:58:26,816 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-24 23:58:26,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-24 23:58:26,816 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-24 23:58:26,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-24 23:58:26,816 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2023-11-24 23:58:26,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2023-11-24 23:58:26,817 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-24 23:58:26,817 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-24 23:58:26,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-24 23:58:26,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-24 23:58:26,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:58:26,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:58:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:58:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-24 23:58:26,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-24 23:58:26,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 23:58:26,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 23:58:26,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2023-11-24 23:58:26,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2023-11-24 23:58:26,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-24 23:58:26,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-24 23:58:26,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-24 23:58:26,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-24 23:58:26,822 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2023-11-24 23:58:26,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2023-11-24 23:58:26,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:58:26,826 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-24 23:58:26,826 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-24 23:58:26,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:58:26,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:58:26,826 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-24 23:58:26,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-24 23:58:26,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:58:26,827 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-24 23:58:26,828 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:58:26,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:58:26,828 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2023-11-24 23:58:26,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2023-11-24 23:58:26,828 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-24 23:58:26,829 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-24 23:58:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2023-11-24 23:58:26,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2023-11-24 23:58:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-24 23:58:26,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-24 23:58:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2023-11-24 23:58:26,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2023-11-24 23:58:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-24 23:58:26,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-24 23:58:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-24 23:58:26,831 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-24 23:58:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 23:58:26,831 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 23:58:26,832 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-24 23:58:26,832 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-24 23:58:26,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-24 23:58:26,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-24 23:58:26,832 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2023-11-24 23:58:26,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2023-11-24 23:58:26,833 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-24 23:58:26,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-24 23:58:26,833 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-24 23:58:26,833 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-24 23:58:26,833 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2023-11-24 23:58:26,833 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2023-11-24 23:58:26,834 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-24 23:58:26,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-24 23:58:26,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:58:26,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:58:26,834 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-24 23:58:26,834 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-24 23:58:26,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:58:26,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:58:26,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:58:26,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:58:26,835 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2023-11-24 23:58:26,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2023-11-24 23:58:26,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:58:26,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:58:26,836 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2023-11-24 23:58:26,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2023-11-24 23:58:26,836 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2023-11-24 23:58:26,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2023-11-24 23:58:26,837 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-24 23:58:26,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-24 23:58:26,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-24 23:58:26,837 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2023-11-24 23:58:26,837 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2023-11-24 23:58:26,838 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2023-11-24 23:58:26,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2023-11-24 23:58:26,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-24 23:58:26,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-24 23:58:26,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:58:26,838 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:58:26,838 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-24 23:58:26,838 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-24 23:58:26,839 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-24 23:58:26,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-24 23:58:26,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-24 23:58:26,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-24 23:58:26,839 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-11-24 23:58:26,839 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-11-24 23:58:26,839 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2023-11-24 23:58:26,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2023-11-24 23:58:26,840 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2023-11-24 23:58:26,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2023-11-24 23:58:26,840 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2023-11-24 23:58:26,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2023-11-24 23:58:26,840 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-24 23:58:26,840 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-24 23:58:26,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:58:26,840 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2023-11-24 23:58:26,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2023-11-24 23:58:26,841 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-24 23:58:26,841 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-24 23:58:26,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:58:26,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2023-11-24 23:58:26,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2023-11-24 23:58:26,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:58:26,841 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2023-11-24 23:58:26,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2023-11-24 23:58:26,842 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:58:26,842 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:58:26,842 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2023-11-24 23:58:26,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2023-11-24 23:58:26,842 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-24 23:58:26,842 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-24 23:58:26,842 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-24 23:58:26,843 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-24 23:58:26,843 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2023-11-24 23:58:26,843 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2023-11-24 23:58:26,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:58:26,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:58:26,844 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2023-11-24 23:58:26,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2023-11-24 23:58:26,844 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-24 23:58:26,844 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-24 23:58:26,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-24 23:58:26,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-24 23:58:26,844 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2023-11-24 23:58:26,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2023-11-24 23:58:26,845 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2023-11-24 23:58:26,845 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2023-11-24 23:58:26,845 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-24 23:58:26,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-24 23:58:26,845 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2023-11-24 23:58:26,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2023-11-24 23:58:26,845 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-24 23:58:26,845 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-24 23:58:26,846 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-24 23:58:26,846 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-24 23:58:26,846 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-24 23:58:26,846 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-24 23:58:26,846 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2023-11-24 23:58:26,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2023-11-24 23:58:26,846 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-24 23:58:26,846 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-24 23:58:26,847 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2023-11-24 23:58:26,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2023-11-24 23:58:26,847 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2023-11-24 23:58:26,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2023-11-24 23:58:26,847 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-24 23:58:26,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-24 23:58:26,847 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 23:58:26,847 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 23:58:26,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:58:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2023-11-24 23:58:26,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2023-11-24 23:58:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:58:26,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:58:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-24 23:58:26,848 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-24 23:58:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-24 23:58:26,848 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-24 23:58:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2023-11-24 23:58:26,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2023-11-24 23:58:26,849 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2023-11-24 23:58:26,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2023-11-24 23:58:26,849 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-24 23:58:26,849 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-24 23:58:26,849 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2023-11-24 23:58:26,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2023-11-24 23:58:26,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:58:26,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:58:26,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-24 23:58:26,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-24 23:58:26,850 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-24 23:58:26,850 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-24 23:58:26,850 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-24 23:58:26,850 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-24 23:58:26,850 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-24 23:58:26,850 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-24 23:58:26,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:58:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-24 23:58:26,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-24 23:58:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-24 23:58:26,851 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-24 23:58:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:58:26,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:58:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-24 23:58:26,851 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-24 23:58:27,978 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:58:27,984 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:58:28,258 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:58:40,158 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:58:40,353 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:58:44,610 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:58:44,610 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-24 23:58:44,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:44 BoogieIcfgContainer [2023-11-24 23:58:44,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:58:44,620 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:58:44,620 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:58:44,626 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:58:44,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:58:19" (1/3) ... [2023-11-24 23:58:44,628 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11746df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:44, skipping insertion in model container [2023-11-24 23:58:44,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:25" (2/3) ... [2023-11-24 23:58:44,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11746df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:44, skipping insertion in model container [2023-11-24 23:58:44,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:44" (3/3) ... [2023-11-24 23:58:44,632 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-24 23:58:44,658 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:58:44,659 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-24 23:58:44,826 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:58:44,838 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;@70a2e38f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:58:44,838 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-24 23:58:44,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 2246 states, 1354 states have (on average 1.3190546528803544) internal successors, (1786), 1393 states have internal predecessors, (1786), 765 states have call successors, (765), 127 states have call predecessors, (765), 126 states have return successors, (757), 745 states have call predecessors, (757), 757 states have call successors, (757) [2023-11-24 23:58:44,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-24 23:58:44,911 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:44,913 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:58:44,914 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-24 23:58:44,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:44,923 INFO L85 PathProgramCache]: Analyzing trace with hash 670687905, now seen corresponding path program 1 times [2023-11-24 23:58:44,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:58:44,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342075752] [2023-11-24 23:58:44,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:44,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:58:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:46,112 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-24 23:58:46,113 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:58:46,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342075752] [2023-11-24 23:58:46,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342075752] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:46,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:46,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:58:46,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694891013] [2023-11-24 23:58:46,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:46,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:58:46,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:58:46,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:58:46,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:46,171 INFO L87 Difference]: Start difference. First operand has 2246 states, 1354 states have (on average 1.3190546528803544) internal successors, (1786), 1393 states have internal predecessors, (1786), 765 states have call successors, (765), 127 states have call predecessors, (765), 126 states have return successors, (757), 745 states have call predecessors, (757), 757 states have call successors, (757) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-24 23:58:51,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:54,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:56,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:56,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:56,638 INFO L93 Difference]: Finished difference Result 6550 states and 9820 transitions. [2023-11-24 23:58:56,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:58:56,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 152 [2023-11-24 23:58:56,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:56,694 INFO L225 Difference]: With dead ends: 6550 [2023-11-24 23:58:56,694 INFO L226 Difference]: Without dead ends: 4319 [2023-11-24 23:58:56,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:56,719 INFO L413 NwaCegarLoop]: 2823 mSDtfsCounter, 3141 mSDsluCounter, 2745 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3141 SdHoareTripleChecker+Valid, 5568 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 960 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-11-24 23:58:56,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3141 Valid, 5568 Invalid, 970 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 960 Invalid, 3 Unknown, 0 Unchecked, 9.9s Time] [2023-11-24 23:58:56,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4319 states. [2023-11-24 23:58:57,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4319 to 4315. [2023-11-24 23:58:57,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4315 states, 2616 states have (on average 1.3153669724770642) internal successors, (3441), 2687 states have internal predecessors, (3441), 1448 states have call successors, (1448), 249 states have call predecessors, (1448), 248 states have return successors, (1444), 1421 states have call predecessors, (1444), 1444 states have call successors, (1444) [2023-11-24 23:58:57,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4315 states to 4315 states and 6333 transitions. [2023-11-24 23:58:57,215 INFO L78 Accepts]: Start accepts. Automaton has 4315 states and 6333 transitions. Word has length 152 [2023-11-24 23:58:57,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:57,220 INFO L495 AbstractCegarLoop]: Abstraction has 4315 states and 6333 transitions. [2023-11-24 23:58:57,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-24 23:58:57,221 INFO L276 IsEmpty]: Start isEmpty. Operand 4315 states and 6333 transitions. [2023-11-24 23:58:57,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-24 23:58:57,238 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:57,239 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:58:57,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:58:57,240 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-24 23:58:57,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:57,241 INFO L85 PathProgramCache]: Analyzing trace with hash 2104226527, now seen corresponding path program 1 times [2023-11-24 23:58:57,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:58:57,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104951507] [2023-11-24 23:58:57,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:57,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:58:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:57,754 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-24 23:58:57,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:58:57,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104951507] [2023-11-24 23:58:57,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104951507] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:57,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:57,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:58:57,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390597914] [2023-11-24 23:58:57,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:57,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:58:57,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:58:57,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:58:57,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:57,759 INFO L87 Difference]: Start difference. First operand 4315 states and 6333 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-24 23:59:01,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:59:04,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []