./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_c01cec52-d2ed-4d13-af87-b4e3d367919a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01cec52-d2ed-4d13-af87-b4e3d367919a/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01cec52-d2ed-4d13-af87-b4e3d367919a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01cec52-d2ed-4d13-af87-b4e3d367919a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01cec52-d2ed-4d13-af87-b4e3d367919a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01cec52-d2ed-4d13-af87-b4e3d367919a/bin/utaipan-verify-t7M7D8N6sZ --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 a6e1397422f061401041ed8290b479ab382edc5aeb84d3f22471688ceb94ba00 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:21:04,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:21:04,482 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01cec52-d2ed-4d13-af87-b4e3d367919a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:21:04,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:21:04,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:21:04,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:21:04,539 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:21:04,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:21:04,541 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:21:04,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:21:04,546 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:21:04,548 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:21:04,548 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:21:04,550 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:21:04,551 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:21:04,551 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:21:04,552 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:21:04,552 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:21:04,553 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:21:04,553 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:21:04,554 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:21:04,554 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:21:04,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:21:04,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:21:04,557 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:21:04,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:21:04,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:21:04,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:21:04,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:21:04,559 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:21:04,560 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:21:04,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:21:04,561 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:21:04,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:04,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:21:04,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:21:04,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:21:04,562 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:21:04,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:21:04,563 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:21:04,563 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:21:04,564 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:21:04,564 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_c01cec52-d2ed-4d13-af87-b4e3d367919a/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01cec52-d2ed-4d13-af87-b4e3d367919a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6e1397422f061401041ed8290b479ab382edc5aeb84d3f22471688ceb94ba00 [2023-11-19 05:21:04,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:21:04,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:21:04,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:21:04,855 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:21:04,856 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:21:04,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01cec52-d2ed-4d13-af87-b4e3d367919a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i [2023-11-19 05:21:07,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:21:08,835 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:21:08,837 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01cec52-d2ed-4d13-af87-b4e3d367919a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i [2023-11-19 05:21:08,905 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01cec52-d2ed-4d13-af87-b4e3d367919a/bin/utaipan-verify-t7M7D8N6sZ/data/279dc2ad0/e74763aa48ce4ae6921ec563745884bc/FLAG09626ac28 [2023-11-19 05:21:08,923 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01cec52-d2ed-4d13-af87-b4e3d367919a/bin/utaipan-verify-t7M7D8N6sZ/data/279dc2ad0/e74763aa48ce4ae6921ec563745884bc [2023-11-19 05:21:08,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:21:08,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:21:08,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:08,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:21:08,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:21:08,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:08" (1/1) ... [2023-11-19 05:21:08,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c1de7fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:08, skipping insertion in model container [2023-11-19 05:21:08,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:08" (1/1) ... [2023-11-19 05:21:09,188 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:21:13,323 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01cec52-d2ed-4d13-af87-b4e3d367919a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i[462027,462040] [2023-11-19 05:21:13,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:13,671 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:21:13,855 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [7508-7509] [2023-11-19 05:21:13,858 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [7523-7524] [2023-11-19 05:21:13,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [7532] [2023-11-19 05:21:13,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [7540] [2023-11-19 05:21:13,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("661:\n\tcall __sw_hweight32\n662:\n.skip -(((6651f-6641f)-(662b-661b)) > 0) * ((6651f-6641f)-(662b-661b)),0x90\n663:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6641f - .\n .word ( 4*32+23)\n .byte 663b-661b\n .byte 6651f-6641f\n .byte 663b-662b\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6641:\n\t.byte 0xf3,0x40,0x0f,0xb8,0xc7\n6651:\n\t.popsection": "=a" (res): "D" (w)); [7549] [2023-11-19 05:21:13,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [7575] [2023-11-19 05:21:13,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7578] [2023-11-19 05:21:13,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7581] [2023-11-19 05:21:13,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7584] [2023-11-19 05:21:13,864 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; incl %0": "+m" (v->counter)); [7640] [2023-11-19 05:21:13,864 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; decl %0": "+m" (v->counter)); [7647] [2023-11-19 05:21:13,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [7789] [2023-11-19 05:21:13,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [7792] [2023-11-19 05:21:13,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [7794] [2023-11-19 05:21:13,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [7799] [2023-11-19 05:21:13,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [7802] [2023-11-19 05:21:13,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [7804] [2023-11-19 05:21:13,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [7809] [2023-11-19 05:21:13,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [7812] [2023-11-19 05:21:13,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [7814] [2023-11-19 05:21:13,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [7819] [2023-11-19 05:21:13,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [7822] [2023-11-19 05:21:13,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [7824] [2023-11-19 05:21:13,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [7842] [2023-11-19 05:21:13,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [7845] [2023-11-19 05:21:13,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [7847] [2023-11-19 05:21:13,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [7852] [2023-11-19 05:21:13,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [7855] [2023-11-19 05:21:13,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7857] [2023-11-19 05:21:13,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [7862] [2023-11-19 05:21:13,876 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [7865] [2023-11-19 05:21:13,876 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7867] [2023-11-19 05:21:13,876 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [7872] [2023-11-19 05:21:13,877 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [7875] [2023-11-19 05:21:13,877 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [7877] [2023-11-19 05:21:13,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7954] [2023-11-19 05:21:13,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7961] [2023-11-19 05:21:13,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [8057] [2023-11-19 05:21:13,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8232] [2023-11-19 05:21:13,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8259] [2023-11-19 05:21:13,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8268] [2023-11-19 05:21:13,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8275] [2023-11-19 05:21:13,894 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)); [8378-8379] [2023-11-19 05:21:13,896 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)); [8407-8408] [2023-11-19 05:21:13,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9410] [2023-11-19 05:21:13,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9427] [2023-11-19 05:21:13,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9492] [2023-11-19 05:21:13,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9509] [2023-11-19 05:21:13,970 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/12546/dscv_tempdir/dscv/ri/32_7a/drivers/net/wireless/mwl8k.c"), "i" (1628), "i" (12UL)); [10066-10067] [2023-11-19 05:21:13,973 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/12546/dscv_tempdir/dscv/ri/32_7a/drivers/net/wireless/mwl8k.c"), "i" (1690), "i" (12UL)); [10132-10133] [2023-11-19 05:21:13,974 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/12546/dscv_tempdir/dscv/ri/32_7a/drivers/net/wireless/mwl8k.c"), "i" (1699), "i" (12UL)); [10147-10148] [2023-11-19 05:21:13,975 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/12546/dscv_tempdir/dscv/ri/32_7a/drivers/net/wireless/mwl8k.c"), "i" (1717), "i" (12UL)); [10168-10169] [2023-11-19 05:21:13,983 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/12546/dscv_tempdir/dscv/ri/32_7a/drivers/net/wireless/mwl8k.c"), "i" (1846), "i" (12UL)); [10328-10329] [2023-11-19 05:21:13,984 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/12546/dscv_tempdir/dscv/ri/32_7a/drivers/net/wireless/mwl8k.c"), "i" (1858), "i" (12UL)); [10347-10348] [2023-11-19 05:21:13,995 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/12546/dscv_tempdir/dscv/ri/32_7a/drivers/net/wireless/mwl8k.c"), "i" (2077), "i" (12UL)); [10570-10571] [2023-11-19 05:21:13,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10603] [2023-11-19 05:21:14,198 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/12546/dscv_tempdir/dscv/ri/32_7a/drivers/net/wireless/mwl8k.c"), "i" (5355), "i" (12UL)); [13395-13396] [2023-11-19 05:21:14,213 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/12546/dscv_tempdir/dscv/ri/32_7a/drivers/net/wireless/mwl8k.c"), "i" (5524), "i" (12UL)); [13572-13573] [2023-11-19 05:21:14,213 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/12546/dscv_tempdir/dscv/ri/32_7a/drivers/net/wireless/mwl8k.c"), "i" (5525), "i" (12UL)); [13580-13581] [2023-11-19 05:21:14,230 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/12546/dscv_tempdir/dscv/ri/32_7a/drivers/net/wireless/mwl8k.c"), "i" (5774), "i" (12UL)); [13799-13800] [2023-11-19 05:21:14,310 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_c01cec52-d2ed-4d13-af87-b4e3d367919a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i[462027,462040] [2023-11-19 05:21:14,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:14,529 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:21:14,529 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:21:14,538 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:21:14,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:14 WrapperNode [2023-11-19 05:21:14,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:14,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:14,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:21:14,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:21:14,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:14" (1/1) ... [2023-11-19 05:21:14,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:14" (1/1) ... [2023-11-19 05:21:15,105 INFO L138 Inliner]: procedures = 493, calls = 4004, calls flagged for inlining = 199, calls inlined = 174, statements flattened = 9010 [2023-11-19 05:21:15,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:15,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:21:15,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:21:15,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:21:15,120 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:14" (1/1) ... [2023-11-19 05:21:15,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:14" (1/1) ... [2023-11-19 05:21:15,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:14" (1/1) ... [2023-11-19 05:21:15,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:14" (1/1) ... [2023-11-19 05:21:15,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:14" (1/1) ... [2023-11-19 05:21:15,827 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:14" (1/1) ... [2023-11-19 05:21:15,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:14" (1/1) ... [2023-11-19 05:21:15,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:14" (1/1) ... [2023-11-19 05:21:16,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:21:16,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:21:16,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:21:16,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:21:16,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:14" (1/1) ... [2023-11-19 05:21:16,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:16,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01cec52-d2ed-4d13-af87-b4e3d367919a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:21:16,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01cec52-d2ed-4d13-af87-b4e3d367919a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:21:16,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01cec52-d2ed-4d13-af87-b4e3d367919a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:21:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2023-11-19 05:21:16,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2023-11-19 05:21:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2023-11-19 05:21:16,294 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2023-11-19 05:21:16,294 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2023-11-19 05:21:16,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2023-11-19 05:21:16,295 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 05:21:16,295 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 05:21:16,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:21:16,295 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:21:16,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_fw_mutex_of_mwl8k_priv [2023-11-19 05:21:16,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_fw_mutex_of_mwl8k_priv [2023-11-19 05:21:16,297 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_rts_threshold [2023-11-19 05:21:16,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_rts_threshold [2023-11-19 05:21:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 05:21:16,298 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 05:21:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:21:16,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:21:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_interface [2023-11-19 05:21:16,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_interface [2023-11-19 05:21:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 05:21:16,299 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 05:21:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 05:21:16,299 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 05:21:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-19 05:21:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-19 05:21:16,301 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 05:21:16,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 05:21:16,301 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_prepare_multicast [2023-11-19 05:21:16,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_prepare_multicast [2023-11-19 05:21:16,301 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2023-11-19 05:21:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2023-11-19 05:21:16,302 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2023-11-19 05:21:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2023-11-19 05:21:16,303 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 05:21:16,303 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-19 05:21:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-19 05:21:16,303 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2023-11-19 05:21:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2023-11-19 05:21:16,304 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2023-11-19 05:21:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2023-11-19 05:21:16,304 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2023-11-19 05:21:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2023-11-19 05:21:16,304 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2023-11-19 05:21:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2023-11-19 05:21:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_get_stats [2023-11-19 05:21:16,305 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_get_stats [2023-11-19 05:21:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 05:21:16,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 05:21:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:21:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-19 05:21:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-19 05:21:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 05:21:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 05:21:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_configure_filter [2023-11-19 05:21:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_configure_filter [2023-11-19 05:21:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2023-11-19 05:21:16,310 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2023-11-19 05:21:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2023-11-19 05:21:16,310 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2023-11-19 05:21:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2023-11-19 05:21:16,311 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2023-11-19 05:21:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 05:21:16,311 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 05:21:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-19 05:21:16,311 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-19 05:21:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:21:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 05:21:16,312 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 05:21:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure ___might_sleep [2023-11-19 05:21:16,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ___might_sleep [2023-11-19 05:21:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2023-11-19 05:21:16,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2023-11-19 05:21:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:21:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2023-11-19 05:21:16,314 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2023-11-19 05:21:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 05:21:16,315 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 05:21:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_watchdog_ba_events [2023-11-19 05:21:16,315 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_watchdog_ba_events [2023-11-19 05:21:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2023-11-19 05:21:16,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2023-11-19 05:21:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:21:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 05:21:16,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 05:21:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2023-11-19 05:21:16,317 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2023-11-19 05:21:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2023-11-19 05:21:16,321 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2023-11-19 05:21:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:21:16,323 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:21:16,323 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2023-11-19 05:21:16,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2023-11-19 05:21:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx [2023-11-19 05:21:16,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx [2023-11-19 05:21:16,325 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2023-11-19 05:21:16,325 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2023-11-19 05:21:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-19 05:21:16,331 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-19 05:21:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-19 05:21:16,331 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-19 05:21:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sw_scan_start [2023-11-19 05:21:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sw_scan_start [2023-11-19 05:21:16,332 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 05:21:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 05:21:16,332 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 05:21:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 05:21:16,332 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2023-11-19 05:21:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2023-11-19 05:21:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2023-11-19 05:21:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2023-11-19 05:21:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-11-19 05:21:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-11-19 05:21:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 05:21:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 05:21:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2023-11-19 05:21:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2023-11-19 05:21:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:21:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_get_survey [2023-11-19 05:21:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_get_survey [2023-11-19 05:21:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-19 05:21:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-19 05:21:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:21:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2023-11-19 05:21:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2023-11-19 05:21:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 05:21:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 05:21:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 05:21:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 05:21:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:21:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 05:21:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2023-11-19 05:21:16,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2023-11-19 05:21:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2023-11-19 05:21:16,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2023-11-19 05:21:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2023-11-19 05:21:16,337 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2023-11-19 05:21:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-11-19 05:21:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-11-19 05:21:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2023-11-19 05:21:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2023-11-19 05:21:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 05:21:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 05:21:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2023-11-19 05:21:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2023-11-19 05:21:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2023-11-19 05:21:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2023-11-19 05:21:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-19 05:21:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-19 05:21:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:21:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:21:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2023-11-19 05:21:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2023-11-19 05:21:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-19 05:21:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-19 05:21:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 05:21:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 05:21:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2023-11-19 05:21:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2023-11-19 05:21:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2023-11-19 05:21:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2023-11-19 05:21:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:21:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:21:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2023-11-19 05:21:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2023-11-19 05:21:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:21:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:21:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2023-11-19 05:21:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2023-11-19 05:21:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_interrupt [2023-11-19 05:21:16,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_interrupt [2023-11-19 05:21:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-19 05:21:16,346 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-19 05:21:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 05:21:16,346 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 05:21:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-11-19 05:21:16,347 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2023-11-19 05:21:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2023-11-19 05:21:16,347 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2023-11-19 05:21:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2023-11-19 05:21:16,347 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2023-11-19 05:21:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2023-11-19 05:21:16,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2023-11-19 05:21:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2023-11-19 05:21:16,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2023-11-19 05:21:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2023-11-19 05:21:16,348 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2023-11-19 05:21:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2023-11-19 05:21:16,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2023-11-19 05:21:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2023-11-19 05:21:16,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2023-11-19 05:21:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2023-11-19 05:21:16,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2023-11-19 05:21:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 05:21:16,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 05:21:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_restart_work [2023-11-19 05:21:16,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_restart_work [2023-11-19 05:21:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2023-11-19 05:21:16,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2023-11-19 05:21:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2023-11-19 05:21:16,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2023-11-19 05:21:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 05:21:16,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 05:21:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 05:21:16,352 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 05:21:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2023-11-19 05:21:16,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2023-11-19 05:21:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2023-11-19 05:21:16,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2023-11-19 05:21:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 05:21:16,353 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 05:21:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2023-11-19 05:21:16,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2023-11-19 05:21:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:21:16,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:21:16,359 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2023-11-19 05:21:16,359 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2023-11-19 05:21:16,359 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-19 05:21:16,360 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-19 05:21:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bbp_reg_access [2023-11-19 05:21:16,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bbp_reg_access [2023-11-19 05:21:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:21:16,360 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:21:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-11-19 05:21:16,361 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-11-19 05:21:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2023-11-19 05:21:16,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2023-11-19 05:21:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 05:21:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 05:21:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2023-11-19 05:21:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2023-11-19 05:21:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 05:21:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 05:21:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-19 05:21:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-19 05:21:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:21:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2023-11-19 05:21:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2023-11-19 05:21:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:21:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2023-11-19 05:21:16,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2023-11-19 05:21:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_bss_info_changed [2023-11-19 05:21:16,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_bss_info_changed [2023-11-19 05:21:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2023-11-19 05:21:16,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2023-11-19 05:21:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2023-11-19 05:21:16,366 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2023-11-19 05:21:16,367 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sw_scan_complete [2023-11-19 05:21:16,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sw_scan_complete [2023-11-19 05:21:16,367 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2023-11-19 05:21:16,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2023-11-19 05:21:16,367 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2023-11-19 05:21:16,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2023-11-19 05:21:16,368 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2023-11-19 05:21:16,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2023-11-19 05:21:16,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:21:16,368 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2023-11-19 05:21:16,368 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2023-11-19 05:21:16,368 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:21:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:21:16,427 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-19 05:21:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-19 05:21:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 05:21:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 05:21:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 05:21:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 05:21:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-11-19 05:21:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-11-19 05:21:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2023-11-19 05:21:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2023-11-19 05:21:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2023-11-19 05:21:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2023-11-19 05:21:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2023-11-19 05:21:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2023-11-19 05:21:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2023-11-19 05:21:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2023-11-19 05:21:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2023-11-19 05:21:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2023-11-19 05:21:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2023-11-19 05:21:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2023-11-19 05:21:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2023-11-19 05:21:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2023-11-19 05:21:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 05:21:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 05:21:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-11-19 05:21:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-11-19 05:21:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2023-11-19 05:21:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2023-11-19 05:21:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2023-11-19 05:21:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2023-11-19 05:21:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-19 05:21:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-19 05:21:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sta_remove [2023-11-19 05:21:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sta_remove [2023-11-19 05:21:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2023-11-19 05:21:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2023-11-19 05:21:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2023-11-19 05:21:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2023-11-19 05:21:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2023-11-19 05:21:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2023-11-19 05:21:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2023-11-19 05:21:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2023-11-19 05:21:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:21:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:21:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_finalize_join_worker [2023-11-19 05:21:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_finalize_join_worker [2023-11-19 05:21:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-19 05:21:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-19 05:21:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:21:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2023-11-19 05:21:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2023-11-19 05:21:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:21:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:21:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2023-11-19 05:21:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2023-11-19 05:21:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 05:21:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 05:21:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2023-11-19 05:21:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2023-11-19 05:21:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2023-11-19 05:21:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2023-11-19 05:21:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 05:21:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 05:21:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sta_add [2023-11-19 05:21:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sta_add [2023-11-19 05:21:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-19 05:21:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-19 05:21:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 05:21:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 05:21:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2023-11-19 05:21:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2023-11-19 05:21:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_interface [2023-11-19 05:21:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_interface [2023-11-19 05:21:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2023-11-19 05:21:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2023-11-19 05:21:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-19 05:21:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-19 05:21:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2023-11-19 05:21:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2023-11-19 05:21:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_ampdu_action [2023-11-19 05:21:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_ampdu_action [2023-11-19 05:21:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2023-11-19 05:21:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2023-11-19 05:21:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2023-11-19 05:21:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2023-11-19 05:21:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-19 05:21:16,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-19 05:21:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 05:21:16,438 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 05:21:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2023-11-19 05:21:16,438 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2023-11-19 05:21:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2023-11-19 05:21:16,443 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2023-11-19 05:21:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 05:21:16,444 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 05:21:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-19 05:21:16,444 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-19 05:21:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2023-11-19 05:21:16,444 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2023-11-19 05:21:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-19 05:21:16,444 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-19 05:21:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:21:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2023-11-19 05:21:16,445 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2023-11-19 05:21:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2023-11-19 05:21:16,445 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2023-11-19 05:21:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2023-11-19 05:21:16,445 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2023-11-19 05:21:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2023-11-19 05:21:16,446 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2023-11-19 05:21:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2023-11-19 05:21:16,446 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2023-11-19 05:21:17,877 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:21:17,883 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:21:18,416 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:21:38,553 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:21:43,398 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:21:43,399 INFO L302 CfgBuilder]: Removed 32 assume(true) statements. [2023-11-19 05:21:43,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:43 BoogieIcfgContainer [2023-11-19 05:21:43,419 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:21:43,421 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:21:43,421 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:21:43,425 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:21:43,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:21:08" (1/3) ... [2023-11-19 05:21:43,426 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b1f80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:21:43, skipping insertion in model container [2023-11-19 05:21:43,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:14" (2/3) ... [2023-11-19 05:21:43,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b1f80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:21:43, skipping insertion in model container [2023-11-19 05:21:43,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:43" (3/3) ... [2023-11-19 05:21:43,428 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i [2023-11-19 05:21:43,451 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:21:43,452 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:21:43,730 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:21:43,738 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;@3f0adec1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:21:43,738 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:21:43,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 2736 states, 1736 states have (on average 1.362327188940092) internal successors, (2365), 1814 states have internal predecessors, (2365), 822 states have call successors, (822), 177 states have call predecessors, (822), 176 states have return successors, (809), 799 states have call predecessors, (809), 809 states have call successors, (809) [2023-11-19 05:21:43,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2023-11-19 05:21:43,802 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:21:43,804 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 38, 38, 38, 38, 38, 38, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:21:43,805 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:21:43,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:21:43,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1131045503, now seen corresponding path program 1 times [2023-11-19 05:21:43,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:21:43,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027447414] [2023-11-19 05:21:43,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:43,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:21:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:21:47,205 INFO L134 CoverageAnalysis]: Checked inductivity of 7982 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7982 trivial. 0 not checked. [2023-11-19 05:21:47,205 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:21:47,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027447414] [2023-11-19 05:21:47,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027447414] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:21:47,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:21:47,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:21:47,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005248464] [2023-11-19 05:21:47,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:21:47,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:21:47,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:21:47,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:21:47,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:21:47,278 INFO L87 Difference]: Start difference. First operand has 2736 states, 1736 states have (on average 1.362327188940092) internal successors, (2365), 1814 states have internal predecessors, (2365), 822 states have call successors, (822), 177 states have call predecessors, (822), 176 states have return successors, (809), 799 states have call predecessors, (809), 809 states have call successors, (809) Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2023-11-19 05:21:49,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:51,410 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 []