./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 0e0057cc 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_3e52e683-4761-4c51-80bd-a3adfb397606/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e52e683-4761-4c51-80bd-a3adfb397606/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e52e683-4761-4c51-80bd-a3adfb397606/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e52e683-4761-4c51-80bd-a3adfb397606/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.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_3e52e683-4761-4c51-80bd-a3adfb397606/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e52e683-4761-4c51-80bd-a3adfb397606/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash abfdd6ea704cd13da9f6c4fa68989a6001819ce06b341c8a00315bc983ef4819 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:55:08,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:55:08,465 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e52e683-4761-4c51-80bd-a3adfb397606/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:55:08,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:55:08,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:55:08,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:55:08,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:55:08,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:55:08,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:55:08,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:55:08,531 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:55:08,531 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:55:08,532 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:55:08,534 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:55:08,535 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:55:08,535 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:55:08,535 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:55:08,536 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:55:08,536 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:55:08,537 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:55:08,537 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:55:08,538 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:55:08,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:55:08,540 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:55:08,541 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:55:08,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:55:08,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:55:08,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:55:08,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:55:08,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:55:08,545 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:55:08,545 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:55:08,545 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:55:08,546 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:55:08,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:55:08,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:55:08,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:55:08,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:55:08,547 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:55:08,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:55:08,548 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:55:08,548 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:55:08,549 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:55:08,549 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:55:08,550 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_3e52e683-4761-4c51-80bd-a3adfb397606/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e52e683-4761-4c51-80bd-a3adfb397606/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abfdd6ea704cd13da9f6c4fa68989a6001819ce06b341c8a00315bc983ef4819 [2023-11-24 23:55:08,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:55:08,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:55:08,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:55:08,952 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:55:08,952 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:55:08,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e52e683-4761-4c51-80bd-a3adfb397606/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-24 23:55:12,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:55:13,124 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:55:13,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e52e683-4761-4c51-80bd-a3adfb397606/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-24 23:55:13,202 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e52e683-4761-4c51-80bd-a3adfb397606/bin/utaipan-verify-SwPr7d2a91/data/289f5b9b8/9607b1ba490342ff986bf84906b15f90/FLAGcb318dd0a [2023-11-24 23:55:13,226 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e52e683-4761-4c51-80bd-a3adfb397606/bin/utaipan-verify-SwPr7d2a91/data/289f5b9b8/9607b1ba490342ff986bf84906b15f90 [2023-11-24 23:55:13,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:55:13,236 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:55:13,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:55:13,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:55:13,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:55:13,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:55:13" (1/1) ... [2023-11-24 23:55:13,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c2be0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:13, skipping insertion in model container [2023-11-24 23:55:13,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:55:13" (1/1) ... [2023-11-24 23:55:13,537 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:55:18,555 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_3e52e683-4761-4c51-80bd-a3adfb397606/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422956,422969] [2023-11-24 23:55:18,562 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_3e52e683-4761-4c51-80bd-a3adfb397606/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[423101,423114] [2023-11-24 23:55:18,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:55:18,684 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:55:18,887 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] [2023-11-24 23:55:18,889 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] [2023-11-24 23:55:18,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5297] [2023-11-24 23:55:18,893 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] [2023-11-24 23:55:18,893 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] [2023-11-24 23:55:18,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5495] [2023-11-24 23:55:18,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5502] [2023-11-24 23:55:18,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5510] [2023-11-24 23:55:18,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5517] [2023-11-24 23:55:18,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5525] [2023-11-24 23:55:18,907 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] [2023-11-24 23:55:18,910 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] [2023-11-24 23:55:18,912 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] [2023-11-24 23:55:18,914 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] [2023-11-24 23:55:18,923 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] [2023-11-24 23:55:18,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5992] [2023-11-24 23:55:18,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6267] [2023-11-24 23:55:18,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6270] [2023-11-24 23:55:18,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6273] [2023-11-24 23:55:18,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6276] [2023-11-24 23:55:18,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6307] [2023-11-24 23:55:18,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6310] [2023-11-24 23:55:18,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6313] [2023-11-24 23:55:18,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6316] [2023-11-24 23:55:18,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6347] [2023-11-24 23:55:18,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6350] [2023-11-24 23:55:18,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6353] [2023-11-24 23:55:18,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6356] [2023-11-24 23:55:18,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6387] [2023-11-24 23:55:18,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6390] [2023-11-24 23:55:18,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6393] [2023-11-24 23:55:18,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6396] [2023-11-24 23:55:18,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7164] [2023-11-24 23:55:19,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7678] [2023-11-24 23:55:19,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7701] [2023-11-24 23:55:19,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7708] [2023-11-24 23:55:19,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7735] [2023-11-24 23:55:19,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8154] [2023-11-24 23:55:19,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9774] [2023-11-24 23:55:19,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9839] [2023-11-24 23:55:19,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9849] [2023-11-24 23:55:19,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9861] [2023-11-24 23:55:19,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9883] [2023-11-24 23:55:19,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10073] [2023-11-24 23:55:19,368 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_3e52e683-4761-4c51-80bd-a3adfb397606/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422956,422969] [2023-11-24 23:55:19,369 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_3e52e683-4761-4c51-80bd-a3adfb397606/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[423101,423114] [2023-11-24 23:55:19,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:55:19,762 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:55:19,762 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:55:19,772 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:55:19,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:19 WrapperNode [2023-11-24 23:55:19,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:55:19,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:55:19,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:55:19,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:55:19,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:19" (1/1) ... [2023-11-24 23:55:19,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:19" (1/1) ... [2023-11-24 23:55:20,304 INFO L138 Inliner]: procedures = 556, calls = 3054, calls flagged for inlining = 291, calls inlined = 260, statements flattened = 8955 [2023-11-24 23:55:20,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:55:20,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:55:20,306 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:55:20,306 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:55:20,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:19" (1/1) ... [2023-11-24 23:55:20,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:19" (1/1) ... [2023-11-24 23:55:20,384 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:19" (1/1) ... [2023-11-24 23:55:20,384 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:19" (1/1) ... [2023-11-24 23:55:20,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:19" (1/1) ... [2023-11-24 23:55:20,777 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:19" (1/1) ... [2023-11-24 23:55:20,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:19" (1/1) ... [2023-11-24 23:55:20,860 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:19" (1/1) ... [2023-11-24 23:55:20,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:55:20,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:55:20,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:55:20,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:55:20,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:19" (1/1) ... [2023-11-24 23:55:20,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:55:20,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e52e683-4761-4c51-80bd-a3adfb397606/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:55:20,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e52e683-4761-4c51-80bd-a3adfb397606/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:55:20,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e52e683-4761-4c51-80bd-a3adfb397606/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:55:21,010 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-24 23:55:21,011 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-24 23:55:21,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:55:21,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:55:21,011 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-24 23:55:21,011 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-24 23:55:21,011 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-24 23:55:21,011 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-24 23:55:21,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_86 [2023-11-24 23:55:21,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_86 [2023-11-24 23:55:21,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:55:21,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:55:21,012 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-24 23:55:21,012 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-24 23:55:21,012 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-24 23:55:21,012 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-24 23:55:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-24 23:55:21,013 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-24 23:55:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2023-11-24 23:55:21,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2023-11-24 23:55:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-24 23:55:21,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-24 23:55:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-24 23:55:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-24 23:55:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-24 23:55:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-24 23:55:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:55:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:55:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-24 23:55:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-24 23:55:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-24 23:55:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-24 23:55:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:55:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:55:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-24 23:55:21,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-24 23:55:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:55:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2023-11-24 23:55:21,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2023-11-24 23:55:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-24 23:55:21,016 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-24 23:55:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-24 23:55:21,017 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-24 23:55:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-24 23:55:21,017 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-24 23:55:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:55:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2023-11-24 23:55:21,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2023-11-24 23:55:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-24 23:55:21,018 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-24 23:55:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-24 23:55:21,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-24 23:55:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:55:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:55:21,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:55:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2023-11-24 23:55:21,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2023-11-24 23:55:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:55:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-24 23:55:21,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-24 23:55:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-24 23:55:21,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-24 23:55:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-24 23:55:21,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-24 23:55:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2023-11-24 23:55:21,020 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2023-11-24 23:55:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-24 23:55:21,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-24 23:55:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-24 23:55:21,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-24 23:55:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-24 23:55:21,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-24 23:55:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-24 23:55:21,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-24 23:55:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-24 23:55:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-24 23:55:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-24 23:55:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-24 23:55:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2023-11-24 23:55:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2023-11-24 23:55:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-24 23:55:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-24 23:55:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-24 23:55:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-24 23:55:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:55:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-24 23:55:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-24 23:55:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 23:55:21,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 23:55:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-11-24 23:55:21,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-11-24 23:55:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2023-11-24 23:55:21,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2023-11-24 23:55:21,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-24 23:55:21,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-24 23:55:21,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-24 23:55:21,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-24 23:55:21,025 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2023-11-24 23:55:21,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2023-11-24 23:55:21,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:55:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-24 23:55:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-24 23:55:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:55:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:55:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-24 23:55:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-24 23:55:21,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:55:21,027 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-24 23:55:21,027 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:55:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:55:21,027 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2023-11-24 23:55:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2023-11-24 23:55:21,027 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-24 23:55:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-24 23:55:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-24 23:55:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-24 23:55:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-24 23:55:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-24 23:55:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2023-11-24 23:55:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2023-11-24 23:55:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-24 23:55:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-24 23:55:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2023-11-24 23:55:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2023-11-24 23:55:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-24 23:55:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-24 23:55:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-24 23:55:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-24 23:55:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 23:55:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 23:55:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-24 23:55:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-24 23:55:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-24 23:55:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-24 23:55:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2023-11-24 23:55:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2023-11-24 23:55:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-24 23:55:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-24 23:55:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-24 23:55:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-24 23:55:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2023-11-24 23:55:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2023-11-24 23:55:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-24 23:55:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-24 23:55:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:55:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:55:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-24 23:55:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-24 23:55:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:55:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:55:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:55:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:55:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2023-11-24 23:55:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2023-11-24 23:55:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2023-11-24 23:55:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2023-11-24 23:55:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2023-11-24 23:55:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2023-11-24 23:55:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-24 23:55:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-24 23:55:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-24 23:55:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2023-11-24 23:55:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2023-11-24 23:55:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2023-11-24 23:55:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2023-11-24 23:55:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-24 23:55:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-24 23:55:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:55:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:55:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-24 23:55:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-24 23:55:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-24 23:55:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-24 23:55:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-24 23:55:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-24 23:55:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-11-24 23:55:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-11-24 23:55:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2023-11-24 23:55:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2023-11-24 23:55:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2023-11-24 23:55:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2023-11-24 23:55:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2023-11-24 23:55:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2023-11-24 23:55:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-24 23:55:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-24 23:55:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:55:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2023-11-24 23:55:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2023-11-24 23:55:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-24 23:55:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-24 23:55:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:55:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2023-11-24 23:55:21,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2023-11-24 23:55:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:55:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2023-11-24 23:55:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2023-11-24 23:55:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:55:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:55:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2023-11-24 23:55:21,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2023-11-24 23:55:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-24 23:55:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-24 23:55:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-24 23:55:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-24 23:55:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2023-11-24 23:55:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2023-11-24 23:55:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:55:21,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:55:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2023-11-24 23:55:21,053 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2023-11-24 23:55:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-24 23:55:21,053 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-24 23:55:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-24 23:55:21,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-24 23:55:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2023-11-24 23:55:21,054 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2023-11-24 23:55:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2023-11-24 23:55:21,056 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2023-11-24 23:55:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-24 23:55:21,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-24 23:55:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2023-11-24 23:55:21,056 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2023-11-24 23:55:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-24 23:55:21,057 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-24 23:55:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-24 23:55:21,057 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-24 23:55:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-24 23:55:21,059 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-24 23:55:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2023-11-24 23:55:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2023-11-24 23:55:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-24 23:55:21,064 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-24 23:55:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2023-11-24 23:55:21,066 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2023-11-24 23:55:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2023-11-24 23:55:21,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2023-11-24 23:55:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-24 23:55:21,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-24 23:55:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 23:55:21,075 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 23:55:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:55:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2023-11-24 23:55:21,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2023-11-24 23:55:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:55:21,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:55:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-24 23:55:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-24 23:55:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-24 23:55:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-24 23:55:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2023-11-24 23:55:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2023-11-24 23:55:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2023-11-24 23:55:21,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2023-11-24 23:55:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-24 23:55:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-24 23:55:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2023-11-24 23:55:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2023-11-24 23:55:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:55:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:55:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-24 23:55:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-24 23:55:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-24 23:55:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-24 23:55:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-24 23:55:21,084 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-24 23:55:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-24 23:55:21,084 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-24 23:55:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:55:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-24 23:55:21,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-24 23:55:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-24 23:55:21,085 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-24 23:55:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:55:21,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:55:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-24 23:55:21,086 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-24 23:55:22,367 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:55:22,373 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:55:22,681 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:55:35,706 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:55:36,112 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:55:40,500 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:55:40,500 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-24 23:55:40,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:55:40 BoogieIcfgContainer [2023-11-24 23:55:40,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:55:40,506 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:55:40,506 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:55:40,509 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:55:40,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:55:13" (1/3) ... [2023-11-24 23:55:40,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28950765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:55:40, skipping insertion in model container [2023-11-24 23:55:40,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:19" (2/3) ... [2023-11-24 23:55:40,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28950765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:55:40, skipping insertion in model container [2023-11-24 23:55:40,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:55:40" (3/3) ... [2023-11-24 23:55:40,512 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2023-11-24 23:55:40,533 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:55:40,533 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:55:40,634 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:55:40,641 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;@53891cbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:55:40,641 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:55:40,655 INFO L276 IsEmpty]: Start isEmpty. Operand has 2274 states, 1374 states have (on average 1.3114992721979621) internal successors, (1802), 1411 states have internal predecessors, (1802), 773 states have call successors, (773), 129 states have call predecessors, (773), 128 states have return successors, (765), 753 states have call predecessors, (765), 765 states have call successors, (765) [2023-11-24 23:55:40,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-11-24 23:55:40,707 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:55:40,708 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:55:40,709 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:55:40,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:55:40,715 INFO L85 PathProgramCache]: Analyzing trace with hash 976652884, now seen corresponding path program 1 times [2023-11-24 23:55:40,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:55:40,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886741853] [2023-11-24 23:55:40,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:55:40,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:55:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:55:41,999 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2023-11-24 23:55:42,000 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:55:42,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886741853] [2023-11-24 23:55:42,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886741853] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:55:42,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:55:42,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:55:42,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179308244] [2023-11-24 23:55:42,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:55:42,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:55:42,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:55:42,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:55:42,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:55:42,061 INFO L87 Difference]: Start difference. First operand has 2274 states, 1374 states have (on average 1.3114992721979621) internal successors, (1802), 1411 states have internal predecessors, (1802), 773 states have call successors, (773), 129 states have call predecessors, (773), 128 states have return successors, (765), 753 states have call predecessors, (765), 765 states have call successors, (765) Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-24 23:55:45,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:55:49,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:55:51,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:55:52,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:55:52,563 INFO L93 Difference]: Finished difference Result 6188 states and 9098 transitions. [2023-11-24 23:55:52,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:55:52,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 237 [2023-11-24 23:55:52,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:55:52,664 INFO L225 Difference]: With dead ends: 6188 [2023-11-24 23:55:52,664 INFO L226 Difference]: Without dead ends: 3825 [2023-11-24 23:55:52,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:55:52,700 INFO L413 NwaCegarLoop]: 2850 mSDtfsCounter, 2439 mSDsluCounter, 2762 mSDsCounter, 0 mSdLazyCounter, 1010 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2439 SdHoareTripleChecker+Valid, 5612 SdHoareTripleChecker+Invalid, 1020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1010 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:55:52,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2439 Valid, 5612 Invalid, 1020 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1010 Invalid, 3 Unknown, 0 Unchecked, 10.0s Time] [2023-11-24 23:55:52,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3825 states. [2023-11-24 23:55:53,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3825 to 3821. [2023-11-24 23:55:53,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3821 states, 2316 states have (on average 1.3018134715025906) internal successors, (3015), 2372 states have internal predecessors, (3015), 1259 states have call successors, (1259), 246 states have call predecessors, (1259), 245 states have return successors, (1264), 1233 states have call predecessors, (1264), 1259 states have call successors, (1264) [2023-11-24 23:55:53,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3821 states to 3821 states and 5538 transitions. [2023-11-24 23:55:53,190 INFO L78 Accepts]: Start accepts. Automaton has 3821 states and 5538 transitions. Word has length 237 [2023-11-24 23:55:53,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:55:53,195 INFO L495 AbstractCegarLoop]: Abstraction has 3821 states and 5538 transitions. [2023-11-24 23:55:53,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-24 23:55:53,196 INFO L276 IsEmpty]: Start isEmpty. Operand 3821 states and 5538 transitions. [2023-11-24 23:55:53,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2023-11-24 23:55:53,219 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:55:53,219 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:55:53,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:55:53,220 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:55:53,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:55:53,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1638681483, now seen corresponding path program 1 times [2023-11-24 23:55:53,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:55:53,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399752822] [2023-11-24 23:55:53,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:55:53,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:55:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:55:54,065 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2023-11-24 23:55:54,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:55:54,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399752822] [2023-11-24 23:55:54,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399752822] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:55:54,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:55:54,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:55:54,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223342449] [2023-11-24 23:55:54,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:55:54,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:55:54,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:55:54,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:55:54,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:55:54,073 INFO L87 Difference]: Start difference. First operand 3821 states and 5538 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29)