./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 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_9b66a625-bc4d-4406-9a76-112d1e003a90/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b66a625-bc4d-4406-9a76-112d1e003a90/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_9b66a625-bc4d-4406-9a76-112d1e003a90/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b66a625-bc4d-4406-9a76-112d1e003a90/bin/utaipan-verify-mE87zJ7Ire/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_9b66a625-bc4d-4406-9a76-112d1e003a90/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_9b66a625-bc4d-4406-9a76-112d1e003a90/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 bf04605b927a140287b1c754ad26365df4778b673325ded7dfdba05deed83fbc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:12:31,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:12:32,032 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b66a625-bc4d-4406-9a76-112d1e003a90/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:12:32,037 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:12:32,038 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:12:32,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:12:32,065 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:12:32,065 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:12:32,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:12:32,067 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:12:32,067 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:12:32,068 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:12:32,069 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:12:32,069 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:12:32,070 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:12:32,070 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:12:32,071 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:12:32,071 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:12:32,072 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:12:32,072 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:12:32,073 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:12:32,074 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:12:32,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:12:32,075 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:12:32,075 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:12:32,076 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:12:32,076 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:12:32,076 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:12:32,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:12:32,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:12:32,078 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:12:32,078 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:12:32,078 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:12:32,079 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:12:32,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:32,079 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:12:32,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:12:32,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:12:32,080 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:12:32,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:12:32,081 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:12:32,081 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:12:32,081 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:12:32,082 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:12:32,082 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_9b66a625-bc4d-4406-9a76-112d1e003a90/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b66a625-bc4d-4406-9a76-112d1e003a90/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf04605b927a140287b1c754ad26365df4778b673325ded7dfdba05deed83fbc [2023-11-23 21:12:32,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:12:32,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:12:32,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:12:32,437 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:12:32,437 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:12:32,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b66a625-bc4d-4406-9a76-112d1e003a90/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-23 21:12:35,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:12:36,366 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:12:36,367 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b66a625-bc4d-4406-9a76-112d1e003a90/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-23 21:12:36,442 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b66a625-bc4d-4406-9a76-112d1e003a90/bin/utaipan-verify-mE87zJ7Ire/data/7cf067819/35389bbb82944d42a77891530cdf1e93/FLAG2db54e448 [2023-11-23 21:12:36,461 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b66a625-bc4d-4406-9a76-112d1e003a90/bin/utaipan-verify-mE87zJ7Ire/data/7cf067819/35389bbb82944d42a77891530cdf1e93 [2023-11-23 21:12:36,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:12:36,473 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:12:36,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:36,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:12:36,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:12:36,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:36" (1/1) ... [2023-11-23 21:12:36,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4494cead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:36, skipping insertion in model container [2023-11-23 21:12:36,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:36" (1/1) ... [2023-11-23 21:12:36,758 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:12:40,807 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_9b66a625-bc4d-4406-9a76-112d1e003a90/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422318,422331] [2023-11-23 21:12:40,811 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_9b66a625-bc4d-4406-9a76-112d1e003a90/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422487,422500] [2023-11-23 21:12:40,812 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_9b66a625-bc4d-4406-9a76-112d1e003a90/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422654,422667] [2023-11-23 21:12:40,812 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_9b66a625-bc4d-4406-9a76-112d1e003a90/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422822,422835] [2023-11-23 21:12:40,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:40,978 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:12:41,100 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] [2023-11-23 21:12:41,102 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] [2023-11-23 21:12:41,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5283] [2023-11-23 21:12:41,113 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] [2023-11-23 21:12:41,114 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] [2023-11-23 21:12:41,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5493] [2023-11-23 21:12:41,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5500] [2023-11-23 21:12:41,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5508] [2023-11-23 21:12:41,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5515] [2023-11-23 21:12:41,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5523] [2023-11-23 21:12:41,124 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] [2023-11-23 21:12:41,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5677-5678] [2023-11-23 21:12:41,128 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] [2023-11-23 21:12:41,129 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] [2023-11-23 21:12:41,136 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] [2023-11-23 21:12:41,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6017] [2023-11-23 21:12:41,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6292] [2023-11-23 21:12:41,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6295] [2023-11-23 21:12:41,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6298] [2023-11-23 21:12:41,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6301] [2023-11-23 21:12:41,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6332] [2023-11-23 21:12:41,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6335] [2023-11-23 21:12:41,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6338] [2023-11-23 21:12:41,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6341] [2023-11-23 21:12:41,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6372] [2023-11-23 21:12:41,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6375] [2023-11-23 21:12:41,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6378] [2023-11-23 21:12:41,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6381] [2023-11-23 21:12:41,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6412] [2023-11-23 21:12:41,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6415] [2023-11-23 21:12:41,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6418] [2023-11-23 21:12:41,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6421] [2023-11-23 21:12:41,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7189] [2023-11-23 21:12:41,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7703] [2023-11-23 21:12:41,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7726] [2023-11-23 21:12:41,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7733] [2023-11-23 21:12:41,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7760] [2023-11-23 21:12:41,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8179] [2023-11-23 21:12:41,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9799] [2023-11-23 21:12:41,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9864] [2023-11-23 21:12:41,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9874] [2023-11-23 21:12:41,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9886] [2023-11-23 21:12:41,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9908] [2023-11-23 21:12:41,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10098] [2023-11-23 21:12:41,467 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_9b66a625-bc4d-4406-9a76-112d1e003a90/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422318,422331] [2023-11-23 21:12:41,468 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_9b66a625-bc4d-4406-9a76-112d1e003a90/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422487,422500] [2023-11-23 21:12:41,468 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_9b66a625-bc4d-4406-9a76-112d1e003a90/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422654,422667] [2023-11-23 21:12:41,469 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_9b66a625-bc4d-4406-9a76-112d1e003a90/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422822,422835] [2023-11-23 21:12:41,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:41,813 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:41,813 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:41,821 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:12:41,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:41 WrapperNode [2023-11-23 21:12:41,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:41,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:41,825 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:12:41,825 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:12:41,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:41" (1/1) ... [2023-11-23 21:12:42,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:41" (1/1) ... [2023-11-23 21:12:42,353 INFO L138 Inliner]: procedures = 559, calls = 2977, calls flagged for inlining = 295, calls inlined = 261, statements flattened = 8758 [2023-11-23 21:12:42,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:42,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:12:42,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:12:42,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:12:42,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:41" (1/1) ... [2023-11-23 21:12:42,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:41" (1/1) ... [2023-11-23 21:12:42,402 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:41" (1/1) ... [2023-11-23 21:12:42,403 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:41" (1/1) ... [2023-11-23 21:12:42,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:41" (1/1) ... [2023-11-23 21:12:42,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:41" (1/1) ... [2023-11-23 21:12:42,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:41" (1/1) ... [2023-11-23 21:12:42,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:41" (1/1) ... [2023-11-23 21:12:42,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:12:42,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:12:42,887 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:12:42,887 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:12:42,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:41" (1/1) ... [2023-11-23 21:12:42,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:42,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b66a625-bc4d-4406-9a76-112d1e003a90/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:42,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b66a625-bc4d-4406-9a76-112d1e003a90/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:12:42,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b66a625-bc4d-4406-9a76-112d1e003a90/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:12:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-23 21:12:42,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-23 21:12:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:12:42,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:12:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-23 21:12:42,972 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-23 21:12:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:12:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:12:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:12:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:12:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:12:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:12:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:12:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:12:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:12:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:12:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 21:12:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 21:12:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2023-11-23 21:12:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2023-11-23 21:12:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2023-11-23 21:12:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2023-11-23 21:12:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-23 21:12:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-23 21:12:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-23 21:12:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-23 21:12:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:12:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:12:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:12:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:12:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:12:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:12:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 21:12:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 21:12:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:12:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:12:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-23 21:12:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-23 21:12:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:12:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2023-11-23 21:12:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2023-11-23 21:12:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:12:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:12:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-23 21:12:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-23 21:12:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:12:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:12:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:12:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2023-11-23 21:12:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2023-11-23 21:12:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:12:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:12:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-23 21:12:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-23 21:12:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:12:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:12:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:12:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2023-11-23 21:12:42,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2023-11-23 21:12:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:12:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:12:42,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:12:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:12:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:12:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2023-11-23 21:12:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2023-11-23 21:12:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 21:12:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 21:12:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:12:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:12:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:12:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:12:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-23 21:12:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-23 21:12:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:12:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:12:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2023-11-23 21:12:42,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2023-11-23 21:12:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-23 21:12:42,989 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-23 21:12:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-23 21:12:42,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-23 21:12:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:12:42,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:12:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:12:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:12:42,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:12:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:12:42,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:12:42,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2023-11-23 21:12:42,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2023-11-23 21:12:42,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-23 21:12:42,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-23 21:12:42,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-23 21:12:42,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-23 21:12:42,994 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2023-11-23 21:12:42,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2023-11-23 21:12:42,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:12:42,997 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-23 21:12:42,997 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-23 21:12:42,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:12:42,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:12:42,999 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:12:42,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:12:42,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:12:43,006 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:12:43,006 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:12:43,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:12:43,007 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2023-11-23 21:12:43,007 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2023-11-23 21:12:43,007 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-23 21:12:43,007 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-23 21:12:43,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2023-11-23 21:12:43,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2023-11-23 21:12:43,008 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 21:12:43,008 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 21:12:43,008 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2023-11-23 21:12:43,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2023-11-23 21:12:43,009 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-23 21:12:43,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-23 21:12:43,009 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-23 21:12:43,009 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-23 21:12:43,009 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:12:43,009 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:12:43,010 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-23 21:12:43,010 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-23 21:12:43,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 21:12:43,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 21:12:43,010 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2023-11-23 21:12:43,010 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2023-11-23 21:12:43,010 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-23 21:12:43,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-23 21:12:43,011 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:12:43,011 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:12:43,011 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2023-11-23 21:12:43,011 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2023-11-23 21:12:43,011 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-23 21:12:43,011 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-23 21:12:43,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:12:43,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:12:43,012 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:12:43,012 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:12:43,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:12:43,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:12:43,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:12:43,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:12:43,013 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2023-11-23 21:12:43,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2023-11-23 21:12:43,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:12:43,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:12:43,013 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2023-11-23 21:12:43,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2023-11-23 21:12:43,014 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2023-11-23 21:12:43,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2023-11-23 21:12:43,014 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-23 21:12:43,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 21:12:43,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 21:12:43,014 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2023-11-23 21:12:43,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2023-11-23 21:12:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2023-11-23 21:12:43,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2023-11-23 21:12:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-23 21:12:43,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-23 21:12:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:12:43,015 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:12:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-23 21:12:43,016 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-23 21:12:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:12:43,016 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:12:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-23 21:12:43,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-23 21:12:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-11-23 21:12:43,016 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-11-23 21:12:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2023-11-23 21:12:43,017 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2023-11-23 21:12:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2023-11-23 21:12:43,017 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2023-11-23 21:12:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2023-11-23 21:12:43,017 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2023-11-23 21:12:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-23 21:12:43,017 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-23 21:12:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:12:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2023-11-23 21:12:43,018 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2023-11-23 21:12:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-23 21:12:43,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-23 21:12:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:12:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2023-11-23 21:12:43,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2023-11-23 21:12:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:12:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2023-11-23 21:12:43,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2023-11-23 21:12:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:12:43,019 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:12:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2023-11-23 21:12:43,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2023-11-23 21:12:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-23 21:12:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-23 21:12:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:12:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:12:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2023-11-23 21:12:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2023-11-23 21:12:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:12:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:12:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2023-11-23 21:12:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2023-11-23 21:12:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-23 21:12:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-23 21:12:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-23 21:12:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-23 21:12:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2023-11-23 21:12:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2023-11-23 21:12:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2023-11-23 21:12:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2023-11-23 21:12:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-23 21:12:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-23 21:12:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2023-11-23 21:12:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2023-11-23 21:12:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-23 21:12:43,023 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-23 21:12:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 21:12:43,023 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 21:12:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:12:43,028 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:12:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2023-11-23 21:12:43,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2023-11-23 21:12:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:12:43,028 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:12:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2023-11-23 21:12:43,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2023-11-23 21:12:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2023-11-23 21:12:43,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2023-11-23 21:12:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 21:12:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 21:12:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:12:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:12:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:12:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2023-11-23 21:12:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2023-11-23 21:12:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:12:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:12:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-23 21:12:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-23 21:12:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-23 21:12:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-23 21:12:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2023-11-23 21:12:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2023-11-23 21:12:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2023-11-23 21:12:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2023-11-23 21:12:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-23 21:12:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-23 21:12:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2023-11-23 21:12:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2023-11-23 21:12:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:12:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:12:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-23 21:12:43,033 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-23 21:12:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:12:43,033 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:12:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-23 21:12:43,033 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-23 21:12:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-23 21:12:43,033 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-23 21:12:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:12:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-23 21:12:43,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-23 21:12:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-23 21:12:43,034 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-23 21:12:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:12:43,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:12:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-23 21:12:43,034 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-23 21:12:44,161 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:12:44,165 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:12:44,402 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:12:57,486 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:12:57,688 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:13:01,786 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:13:01,786 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-23 21:13:01,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:01 BoogieIcfgContainer [2023-11-23 21:13:01,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:13:01,793 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:13:01,794 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:13:01,797 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:13:01,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:12:36" (1/3) ... [2023-11-23 21:13:01,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a28f9fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:01, skipping insertion in model container [2023-11-23 21:13:01,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:41" (2/3) ... [2023-11-23 21:13:01,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a28f9fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:01, skipping insertion in model container [2023-11-23 21:13:01,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:01" (3/3) ... [2023-11-23 21:13:01,802 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-23 21:13:01,824 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:13:01,824 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-23 21:13:02,022 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:13:02,029 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;@87c0e3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:13:02,030 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 21:13:02,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 2244 states, 1352 states have (on average 1.319526627218935) internal successors, (1784), 1393 states have internal predecessors, (1784), 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) [2023-11-23 21:13:02,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-23 21:13:02,086 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:02,087 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] [2023-11-23 21:13:02,087 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 21:13:02,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:02,096 INFO L85 PathProgramCache]: Analyzing trace with hash -402882094, now seen corresponding path program 1 times [2023-11-23 21:13:02,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:13:02,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714528844] [2023-11-23 21:13:02,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:02,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:13:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:03,236 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-23 21:13:03,236 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:13:03,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714528844] [2023-11-23 21:13:03,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714528844] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:13:03,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:13:03,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:13:03,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521009023] [2023-11-23 21:13:03,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:13:03,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:13:03,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:13:03,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:13:03,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:13:03,292 INFO L87 Difference]: Start difference. First operand has 2244 states, 1352 states have (on average 1.319526627218935) internal successors, (1784), 1393 states have internal predecessors, (1784), 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) [2023-11-23 21:13:08,115 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 21:13:10,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:12,782 WARN L539 Checker$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 21:13:13,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:13:13,485 INFO L93 Difference]: Finished difference Result 6544 states and 9814 transitions. [2023-11-23 21:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:13:13,488 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 [2023-11-23 21:13:13,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:13:13,562 INFO L225 Difference]: With dead ends: 6544 [2023-11-23 21:13:13,562 INFO L226 Difference]: Without dead ends: 4315 [2023-11-23 21:13:13,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:13:13,595 INFO L413 NwaCegarLoop]: 2827 mSDtfsCounter, 3139 mSDsluCounter, 2748 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3139 SdHoareTripleChecker+Valid, 5575 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:13:13,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3139 Valid, 5575 Invalid, 959 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 949 Invalid, 3 Unknown, 0 Unchecked, 9.7s Time] [2023-11-23 21:13:13,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4315 states. [2023-11-23 21:13:14,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4315 to 4311. [2023-11-23 21:13:14,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4311 states, 2612 states have (on average 1.3158499234303216) internal successors, (3437), 2687 states have internal predecessors, (3437), 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) [2023-11-23 21:13:14,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4311 states to 4311 states and 6329 transitions. [2023-11-23 21:13:14,156 INFO L78 Accepts]: Start accepts. Automaton has 4311 states and 6329 transitions. Word has length 152 [2023-11-23 21:13:14,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:13:14,158 INFO L495 AbstractCegarLoop]: Abstraction has 4311 states and 6329 transitions. [2023-11-23 21:13:14,158 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) [2023-11-23 21:13:14,159 INFO L276 IsEmpty]: Start isEmpty. Operand 4311 states and 6329 transitions. [2023-11-23 21:13:14,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-23 21:13:14,174 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:14,175 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] [2023-11-23 21:13:14,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:13:14,175 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)] === [2023-11-23 21:13:14,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:14,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1422028528, now seen corresponding path program 1 times [2023-11-23 21:13:14,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:13:14,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173830704] [2023-11-23 21:13:14,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:14,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:13:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:14,576 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-23 21:13:14,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:13:14,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173830704] [2023-11-23 21:13:14,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173830704] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:13:14,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:13:14,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:13:14,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997573345] [2023-11-23 21:13:14,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:13:14,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:13:14,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:13:14,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:13:14,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:13:14,585 INFO L87 Difference]: Start difference. First operand 4311 states and 6329 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-23 21:13:17,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:21,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []