./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_0cb8b124-5b4d-4063-9d73-b54631609753/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb8b124-5b4d-4063-9d73-b54631609753/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb8b124-5b4d-4063-9d73-b54631609753/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb8b124-5b4d-4063-9d73-b54631609753/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb8b124-5b4d-4063-9d73-b54631609753/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb8b124-5b4d-4063-9d73-b54631609753/bin/ukojak-verify-i0I2FZA1j2 --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash abfdd6ea704cd13da9f6c4fa68989a6001819ce06b341c8a00315bc983ef4819 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:29:51,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:29:51,857 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb8b124-5b4d-4063-9d73-b54631609753/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:29:51,862 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:29:51,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:29:51,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:29:51,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:29:51,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:29:51,890 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:29:51,890 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:29:51,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:29:51,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:29:51,892 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:29:51,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:29:51,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:29:51,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:29:51,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:29:51,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:29:51,896 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:29:51,897 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:29:51,898 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:29:51,898 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:29:51,899 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:29:51,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:29:51,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:29:51,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:29:51,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:29:51,902 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:29:51,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:29:51,903 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:29:51,903 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0cb8b124-5b4d-4063-9d73-b54631609753/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb8b124-5b4d-4063-9d73-b54631609753/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abfdd6ea704cd13da9f6c4fa68989a6001819ce06b341c8a00315bc983ef4819 [2023-11-21 18:29:52,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:29:52,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:29:52,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:29:52,239 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:29:52,240 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:29:52,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb8b124-5b4d-4063-9d73-b54631609753/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-21 18:29:55,478 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:29:56,220 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:29:56,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb8b124-5b4d-4063-9d73-b54631609753/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-21 18:29:56,295 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb8b124-5b4d-4063-9d73-b54631609753/bin/ukojak-verify-i0I2FZA1j2/data/9d72f15a6/c90faa2f3ca44af1aac4107ab9058816/FLAGef0c4170a [2023-11-21 18:29:56,316 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb8b124-5b4d-4063-9d73-b54631609753/bin/ukojak-verify-i0I2FZA1j2/data/9d72f15a6/c90faa2f3ca44af1aac4107ab9058816 [2023-11-21 18:29:56,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:29:56,328 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:29:56,330 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:56,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:29:56,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:29:56,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:56" (1/1) ... [2023-11-21 18:29:56,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b32a5de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:56, skipping insertion in model container [2023-11-21 18:29:56,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:56" (1/1) ... [2023-11-21 18:29:56,577 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:30:00,715 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_0cb8b124-5b4d-4063-9d73-b54631609753/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422956,422969] [2023-11-21 18:30:00,721 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_0cb8b124-5b4d-4063-9d73-b54631609753/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[423101,423114] [2023-11-21 18:30:00,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:00,814 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:30:00,985 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"); [5283] [2023-11-21 18:30:00,987 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)); [5290] [2023-11-21 18:30:00,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5297] [2023-11-21 18:30:00,990 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/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5338-5339] [2023-11-21 18:30:00,990 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"); [5344-5346] [2023-11-21 18:30:00,993 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5495] [2023-11-21 18:30:00,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5502] [2023-11-21 18:30:00,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5510] [2023-11-21 18:30:00,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5517] [2023-11-21 18:30:00,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5525] [2023-11-21 18:30:01,000 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)); [5616-5617] [2023-11-21 18:30:01,002 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)); [5650-5651] [2023-11-21 18:30:01,003 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)); [5687-5688] [2023-11-21 18:30:01,004 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)); [5724-5725] [2023-11-21 18:30:01,010 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)); [5985-5986] [2023-11-21 18:30:01,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5992] [2023-11-21 18:30:01,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6267] [2023-11-21 18:30:01,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6270] [2023-11-21 18:30:01,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6273] [2023-11-21 18:30:01,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6276] [2023-11-21 18:30:01,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6307] [2023-11-21 18:30:01,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6310] [2023-11-21 18:30:01,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6313] [2023-11-21 18:30:01,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6316] [2023-11-21 18:30:01,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6347] [2023-11-21 18:30:01,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6350] [2023-11-21 18:30:01,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6353] [2023-11-21 18:30:01,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6356] [2023-11-21 18:30:01,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6387] [2023-11-21 18:30:01,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6390] [2023-11-21 18:30:01,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6393] [2023-11-21 18:30:01,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6396] [2023-11-21 18:30:01,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7164] [2023-11-21 18:30:01,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7678] [2023-11-21 18:30:01,084 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7701] [2023-11-21 18:30:01,085 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7708] [2023-11-21 18:30:01,086 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7735] [2023-11-21 18:30:01,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8154] [2023-11-21 18:30:01,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9774] [2023-11-21 18:30:01,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9839] [2023-11-21 18:30:01,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9849] [2023-11-21 18:30:01,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9861] [2023-11-21 18:30:01,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9883] [2023-11-21 18:30:01,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10073] [2023-11-21 18:30:01,375 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_0cb8b124-5b4d-4063-9d73-b54631609753/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422956,422969] [2023-11-21 18:30:01,375 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_0cb8b124-5b4d-4063-9d73-b54631609753/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[423101,423114] [2023-11-21 18:30:01,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:01,727 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:01,728 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:01,735 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:30:01,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:01 WrapperNode [2023-11-21 18:30:01,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:01,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:01,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:30:01,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:30:01,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:01" (1/1) ... [2023-11-21 18:30:01,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:01" (1/1) ... [2023-11-21 18:30:02,155 INFO L138 Inliner]: procedures = 556, calls = 3054, calls flagged for inlining = 291, calls inlined = 260, statements flattened = 8807 [2023-11-21 18:30:02,156 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:02,157 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:30:02,157 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:30:02,157 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:30:02,167 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:01" (1/1) ... [2023-11-21 18:30:02,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:01" (1/1) ... [2023-11-21 18:30:02,203 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:01" (1/1) ... [2023-11-21 18:30:02,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:01" (1/1) ... [2023-11-21 18:30:02,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:01" (1/1) ... [2023-11-21 18:30:02,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:01" (1/1) ... [2023-11-21 18:30:02,544 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:01" (1/1) ... [2023-11-21 18:30:02,575 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:01" (1/1) ... [2023-11-21 18:30:02,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:30:02,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:30:02,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:30:02,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:30:02,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:01" (1/1) ... [2023-11-21 18:30:02,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:02,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb8b124-5b4d-4063-9d73-b54631609753/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:30:02,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb8b124-5b4d-4063-9d73-b54631609753/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:30:02,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cb8b124-5b4d-4063-9d73-b54631609753/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:30:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-21 18:30:02,733 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-21 18:30:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 18:30:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 18:30:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-21 18:30:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-21 18:30:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-21 18:30:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-21 18:30:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_86 [2023-11-21 18:30:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_86 [2023-11-21 18:30:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 18:30:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 18:30:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-21 18:30:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-21 18:30:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-21 18:30:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-21 18:30:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-21 18:30:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-21 18:30:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2023-11-21 18:30:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2023-11-21 18:30:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-21 18:30:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-21 18:30:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-21 18:30:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-21 18:30:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-21 18:30:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-21 18:30:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 18:30:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 18:30:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-21 18:30:02,739 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-21 18:30:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-21 18:30:02,739 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-21 18:30:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 18:30:02,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 18:30:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-21 18:30:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-21 18:30:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:30:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2023-11-21 18:30:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2023-11-21 18:30:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 18:30:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 18:30:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-21 18:30:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-21 18:30:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-21 18:30:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-21 18:30:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 18:30:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2023-11-21 18:30:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2023-11-21 18:30:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 18:30:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 18:30:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-21 18:30:02,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-21 18:30:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:30:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 18:30:02,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 18:30:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2023-11-21 18:30:02,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2023-11-21 18:30:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:30:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-21 18:30:02,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-21 18:30:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-21 18:30:02,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-21 18:30:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 18:30:02,746 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 18:30:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2023-11-21 18:30:02,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2023-11-21 18:30:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-21 18:30:02,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-21 18:30:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-21 18:30:02,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-21 18:30:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-21 18:30:02,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-21 18:30:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-21 18:30:02,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-21 18:30:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-21 18:30:02,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-21 18:30:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-21 18:30:02,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-21 18:30:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2023-11-21 18:30:02,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2023-11-21 18:30:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-21 18:30:02,750 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-21 18:30:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-21 18:30:02,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-21 18:30:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:30:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-21 18:30:02,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-21 18:30:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-21 18:30:02,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-21 18:30:02,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-11-21 18:30:02,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-11-21 18:30:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2023-11-21 18:30:02,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2023-11-21 18:30:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-21 18:30:02,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-21 18:30:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-21 18:30:02,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-21 18:30:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2023-11-21 18:30:02,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2023-11-21 18:30:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:30:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-21 18:30:02,756 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-21 18:30:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 18:30:02,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 18:30:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-21 18:30:02,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-21 18:30:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:30:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-21 18:30:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 18:30:02,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 18:30:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2023-11-21 18:30:02,757 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2023-11-21 18:30:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-21 18:30:02,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-21 18:30:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-21 18:30:02,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-21 18:30:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-21 18:30:02,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-21 18:30:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2023-11-21 18:30:02,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2023-11-21 18:30:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-21 18:30:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-21 18:30:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2023-11-21 18:30:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2023-11-21 18:30:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-21 18:30:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-21 18:30:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-21 18:30:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-21 18:30:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 18:30:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 18:30:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-21 18:30:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-21 18:30:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-21 18:30:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-21 18:30:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2023-11-21 18:30:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2023-11-21 18:30:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-21 18:30:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-21 18:30:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-21 18:30:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-21 18:30:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2023-11-21 18:30:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2023-11-21 18:30:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-21 18:30:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-21 18:30:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:30:02,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:30:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-21 18:30:02,773 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-21 18:30:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 18:30:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 18:30:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 18:30:02,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 18:30:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2023-11-21 18:30:02,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2023-11-21 18:30:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2023-11-21 18:30:02,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2023-11-21 18:30:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2023-11-21 18:30:02,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2023-11-21 18:30:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-21 18:30:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-21 18:30:02,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-21 18:30:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2023-11-21 18:30:02,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2023-11-21 18:30:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2023-11-21 18:30:02,775 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2023-11-21 18:30:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-21 18:30:02,775 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-21 18:30:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:30:02,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:30:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-21 18:30:02,775 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-21 18:30:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-21 18:30:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-21 18:30:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-21 18:30:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-21 18:30:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-11-21 18:30:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-11-21 18:30:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2023-11-21 18:30:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2023-11-21 18:30:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2023-11-21 18:30:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2023-11-21 18:30:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2023-11-21 18:30:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2023-11-21 18:30:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-21 18:30:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-21 18:30:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:30:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2023-11-21 18:30:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2023-11-21 18:30:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-21 18:30:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-21 18:30:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:30:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2023-11-21 18:30:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2023-11-21 18:30:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:30:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2023-11-21 18:30:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2023-11-21 18:30:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 18:30:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 18:30:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2023-11-21 18:30:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2023-11-21 18:30:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-21 18:30:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-21 18:30:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 18:30:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 18:30:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2023-11-21 18:30:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2023-11-21 18:30:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 18:30:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 18:30:02,781 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2023-11-21 18:30:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2023-11-21 18:30:02,781 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-21 18:30:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-21 18:30:02,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-21 18:30:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-21 18:30:02,781 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2023-11-21 18:30:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2023-11-21 18:30:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2023-11-21 18:30:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2023-11-21 18:30:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-21 18:30:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-21 18:30:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2023-11-21 18:30:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2023-11-21 18:30:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-21 18:30:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-21 18:30:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-21 18:30:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-21 18:30:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 18:30:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 18:30:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2023-11-21 18:30:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2023-11-21 18:30:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 18:30:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 18:30:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2023-11-21 18:30:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2023-11-21 18:30:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2023-11-21 18:30:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2023-11-21 18:30:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-21 18:30:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-21 18:30:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 18:30:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 18:30:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:30:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2023-11-21 18:30:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2023-11-21 18:30:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 18:30:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 18:30:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-21 18:30:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-21 18:30:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-21 18:30:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-21 18:30:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2023-11-21 18:30:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2023-11-21 18:30:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2023-11-21 18:30:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2023-11-21 18:30:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-21 18:30:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-21 18:30:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2023-11-21 18:30:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2023-11-21 18:30:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 18:30:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 18:30:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-21 18:30:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-21 18:30:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-21 18:30:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-21 18:30:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-21 18:30:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-21 18:30:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-21 18:30:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-21 18:30:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:30:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-21 18:30:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-21 18:30:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-21 18:30:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-21 18:30:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 18:30:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 18:30:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-21 18:30:02,790 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-21 18:30:03,973 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:30:03,982 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:30:04,243 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 18:30:15,257 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-21 18:30:15,531 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:30:19,676 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:30:19,677 INFO L308 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-21 18:30:19,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:19 BoogieIcfgContainer [2023-11-21 18:30:19,680 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:30:19,682 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:30:19,682 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:30:19,692 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:30:19,692 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:19" (1/1) ... [2023-11-21 18:30:19,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:30:19,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:19,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 2246 states and 3312 transitions. [2023-11-21 18:30:19,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 3312 transitions. [2023-11-21 18:30:19,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-11-21 18:30:19,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:19,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:21,248 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2023-11-21 18:30:21,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:21,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3332 states to 2255 states and 3332 transitions. [2023-11-21 18:30:21,504 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 3332 transitions. [2023-11-21 18:30:21,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-11-21 18:30:21,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:21,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:22,117 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2023-11-21 18:30:22,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:22,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3353 states to 2265 states and 3353 transitions. [2023-11-21 18:30:22,325 INFO L276 IsEmpty]: Start isEmpty. Operand 2265 states and 3353 transitions. [2023-11-21 18:30:22,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2023-11-21 18:30:22,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:22,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:22,770 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2023-11-21 18:30:22,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:22,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3377 states to 2274 states and 3377 transitions. [2023-11-21 18:30:22,923 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 3377 transitions. [2023-11-21 18:30:22,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-11-21 18:30:22,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:22,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:23,484 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2023-11-21 18:30:23,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:23,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 2279 states and 3393 transitions. [2023-11-21 18:30:23,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2279 states and 3393 transitions. [2023-11-21 18:30:23,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-21 18:30:23,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:23,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:24,420 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2023-11-21 18:30:24,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:24,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3418 states to 2288 states and 3418 transitions. [2023-11-21 18:30:24,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2288 states and 3418 transitions. [2023-11-21 18:30:24,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2023-11-21 18:30:24,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:24,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:25,447 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2023-11-21 18:30:25,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:25,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3419 states to 2289 states and 3419 transitions. [2023-11-21 18:30:25,530 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 3419 transitions. [2023-11-21 18:30:25,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-11-21 18:30:25,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:25,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:25,997 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2023-11-21 18:30:26,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:26,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3427 states to 2293 states and 3427 transitions. [2023-11-21 18:30:26,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2293 states and 3427 transitions. [2023-11-21 18:30:26,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-11-21 18:30:26,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:26,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:26,475 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2023-11-21 18:30:26,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:26,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3440 states to 2299 states and 3440 transitions. [2023-11-21 18:30:26,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 3440 transitions. [2023-11-21 18:30:26,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-21 18:30:26,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:26,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:27,189 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2023-11-21 18:30:27,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:27,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3450 states to 2304 states and 3450 transitions. [2023-11-21 18:30:27,317 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 3450 transitions. [2023-11-21 18:30:27,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-11-21 18:30:27,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:27,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:27,788 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2023-11-21 18:30:28,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:28,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3478 states to 2314 states and 3478 transitions. [2023-11-21 18:30:28,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 3478 transitions. [2023-11-21 18:30:28,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-11-21 18:30:28,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:28,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:28,695 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2023-11-21 18:30:28,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:28,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 2315 states and 3481 transitions. [2023-11-21 18:30:28,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2315 states and 3481 transitions. [2023-11-21 18:30:28,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2023-11-21 18:30:28,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:28,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:29,326 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2023-11-21 18:30:29,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:29,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3502 states to 2321 states and 3502 transitions. [2023-11-21 18:30:29,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2321 states and 3502 transitions. [2023-11-21 18:30:29,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-21 18:30:29,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:29,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:30,250 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2023-11-21 18:30:30,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:30,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3510 states to 2327 states and 3510 transitions. [2023-11-21 18:30:30,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 3510 transitions. [2023-11-21 18:30:30,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-21 18:30:30,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:30,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:30,681 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2023-11-21 18:30:30,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:30,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3513 states to 2331 states and 3513 transitions. [2023-11-21 18:30:30,752 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 3513 transitions. [2023-11-21 18:30:30,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-11-21 18:30:30,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:30,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:31,189 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2023-11-21 18:30:31,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:31,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3516 states to 2334 states and 3516 transitions. [2023-11-21 18:30:31,259 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 3516 transitions. [2023-11-21 18:30:31,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2023-11-21 18:30:31,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:31,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:31,725 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2023-11-21 18:30:31,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:31,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 2336 states and 3519 transitions. [2023-11-21 18:30:31,908 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 3519 transitions. [2023-11-21 18:30:31,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-11-21 18:30:31,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:31,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:32,341 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2023-11-21 18:30:32,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:32,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 2340 states and 3523 transitions. [2023-11-21 18:30:32,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2340 states and 3523 transitions. [2023-11-21 18:30:32,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2023-11-21 18:30:32,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:32,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:32,831 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2023-11-21 18:30:32,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:32,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3526 states to 2343 states and 3526 transitions. [2023-11-21 18:30:32,915 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 3526 transitions. [2023-11-21 18:30:32,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2023-11-21 18:30:32,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:32,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:33,338 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-21 18:30:33,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:33,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3527 states to 2344 states and 3527 transitions. [2023-11-21 18:30:33,393 INFO L276 IsEmpty]: Start isEmpty. Operand 2344 states and 3527 transitions. [2023-11-21 18:30:33,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-11-21 18:30:33,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:33,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:33,882 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2023-11-21 18:30:33,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:33,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3530 states to 2347 states and 3530 transitions. [2023-11-21 18:30:33,968 INFO L276 IsEmpty]: Start isEmpty. Operand 2347 states and 3530 transitions. [2023-11-21 18:30:33,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-21 18:30:33,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:33,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:34,531 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2023-11-21 18:30:35,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:35,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3559 states to 2357 states and 3559 transitions. [2023-11-21 18:30:35,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2357 states and 3559 transitions. [2023-11-21 18:30:35,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2023-11-21 18:30:35,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:35,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:36,065 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2023-11-21 18:30:36,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:36,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 2360 states and 3562 transitions. [2023-11-21 18:30:36,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 3562 transitions. [2023-11-21 18:30:36,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2023-11-21 18:30:36,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:36,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:36,548 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-21 18:30:36,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:36,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 2361 states and 3563 transitions. [2023-11-21 18:30:36,607 INFO L276 IsEmpty]: Start isEmpty. Operand 2361 states and 3563 transitions. [2023-11-21 18:30:36,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2023-11-21 18:30:36,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:36,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat