./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-43_2a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928f7a2-e107-4290-9594-ad033de5f10b/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928f7a2-e107-4290-9594-ad033de5f10b/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928f7a2-e107-4290-9594-ad033de5f10b/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928f7a2-e107-4290-9594-ad033de5f10b/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928f7a2-e107-4290-9594-ad033de5f10b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928f7a2-e107-4290-9594-ad033de5f10b/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 271745ec816c2d073bed8a4b1e085985018cf856b8db95b35620abc335f40dd8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:31:58,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:31:58,616 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928f7a2-e107-4290-9594-ad033de5f10b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:31:58,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:31:58,628 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:31:58,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:31:58,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:31:58,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:31:58,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:31:58,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:31:58,689 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:31:58,691 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:31:58,692 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:31:58,694 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:31:58,695 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:31:58,695 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:31:58,696 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:31:58,697 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:31:58,697 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:31:58,698 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:31:58,699 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:31:58,700 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:31:58,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:31:58,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:31:58,702 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:31:58,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:31:58,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:31:58,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:31:58,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:31:58,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:31:58,707 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:31:58,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:31:58,708 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:31:58,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:31:58,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:58,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:31:58,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:31:58,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:31:58,710 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:31:58,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:31:58,711 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:31:58,711 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:31:58,712 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:31:58,712 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:31:58,713 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_5928f7a2-e107-4290-9594-ad033de5f10b/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928f7a2-e107-4290-9594-ad033de5f10b/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 271745ec816c2d073bed8a4b1e085985018cf856b8db95b35620abc335f40dd8 [2023-11-23 21:31:59,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:31:59,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:31:59,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:31:59,178 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:31:59,179 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:31:59,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928f7a2-e107-4290-9594-ad033de5f10b/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i [2023-11-23 21:32:02,589 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:03,509 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:03,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928f7a2-e107-4290-9594-ad033de5f10b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i [2023-11-23 21:32:03,592 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928f7a2-e107-4290-9594-ad033de5f10b/bin/utaipan-verify-mE87zJ7Ire/data/088b8c281/3c6e9cbc6b8744bd8034cc2cf4eafab5/FLAG84a4bc275 [2023-11-23 21:32:03,615 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928f7a2-e107-4290-9594-ad033de5f10b/bin/utaipan-verify-mE87zJ7Ire/data/088b8c281/3c6e9cbc6b8744bd8034cc2cf4eafab5 [2023-11-23 21:32:03,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:03,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:03,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:03,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:03,633 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:03,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:03" (1/1) ... [2023-11-23 21:32:03,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fd9a6d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:03, skipping insertion in model container [2023-11-23 21:32:03,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:03" (1/1) ... [2023-11-23 21:32:03,922 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:08,970 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_5928f7a2-e107-4290-9594-ad033de5f10b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i[463616,463629] [2023-11-23 21:32:09,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:09,190 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:09,445 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"); [7515-7516] [2023-11-23 21:32:09,448 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)); [7530-7531] [2023-11-23 21:32:09,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [7539] [2023-11-23 21:32:09,450 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [7547] [2023-11-23 21:32:09,450 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)); [7556] [2023-11-23 21:32:09,455 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [7700] [2023-11-23 21:32:09,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7703] [2023-11-23 21:32:09,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7706] [2023-11-23 21:32:09,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7709] [2023-11-23 21:32:09,458 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)); [7740] [2023-11-23 21:32:09,458 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)); [7747] [2023-11-23 21:32:09,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [7760] [2023-11-23 21:32:09,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [7763] [2023-11-23 21:32:09,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [7765] [2023-11-23 21:32:09,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [7770] [2023-11-23 21:32:09,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [7773] [2023-11-23 21:32:09,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [7775] [2023-11-23 21:32:09,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [7780] [2023-11-23 21:32:09,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [7783] [2023-11-23 21:32:09,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [7785] [2023-11-23 21:32:09,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [7790] [2023-11-23 21:32:09,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [7793] [2023-11-23 21:32:09,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [7795] [2023-11-23 21:32:09,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [7813] [2023-11-23 21:32:09,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [7816] [2023-11-23 21:32:09,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [7818] [2023-11-23 21:32:09,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [7823] [2023-11-23 21:32:09,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [7826] [2023-11-23 21:32:09,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7828] [2023-11-23 21:32:09,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [7833] [2023-11-23 21:32:09,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [7836] [2023-11-23 21:32:09,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7838] [2023-11-23 21:32:09,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [7843] [2023-11-23 21:32:09,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [7846] [2023-11-23 21:32:09,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [7848] [2023-11-23 21:32:09,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7946] [2023-11-23 21:32:09,475 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7953] [2023-11-23 21:32:09,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [8049] [2023-11-23 21:32:09,481 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8194] [2023-11-23 21:32:09,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8221] [2023-11-23 21:32:09,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8230] [2023-11-23 21:32:09,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8237] [2023-11-23 21:32:09,489 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)); [8334-8335] [2023-11-23 21:32:09,491 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)); [8363-8364] [2023-11-23 21:32:09,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9374] [2023-11-23 21:32:09,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9391] [2023-11-23 21:32:09,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9456] [2023-11-23 21:32:09,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9473] [2023-11-23 21:32:09,624 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/11750/dscv_tempdir/dscv/ri/43_2a/drivers/net/wireless/mwl8k.c"), "i" (1628), "i" (12UL)); [10030-10031] [2023-11-23 21:32:09,627 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/11750/dscv_tempdir/dscv/ri/43_2a/drivers/net/wireless/mwl8k.c"), "i" (1690), "i" (12UL)); [10096-10097] [2023-11-23 21:32:09,628 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/11750/dscv_tempdir/dscv/ri/43_2a/drivers/net/wireless/mwl8k.c"), "i" (1699), "i" (12UL)); [10111-10112] [2023-11-23 21:32:09,630 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/11750/dscv_tempdir/dscv/ri/43_2a/drivers/net/wireless/mwl8k.c"), "i" (1717), "i" (12UL)); [10132-10133] [2023-11-23 21:32:09,638 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/11750/dscv_tempdir/dscv/ri/43_2a/drivers/net/wireless/mwl8k.c"), "i" (1846), "i" (12UL)); [10292-10293] [2023-11-23 21:32:09,639 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/11750/dscv_tempdir/dscv/ri/43_2a/drivers/net/wireless/mwl8k.c"), "i" (1858), "i" (12UL)); [10311-10312] [2023-11-23 21:32:09,651 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/11750/dscv_tempdir/dscv/ri/43_2a/drivers/net/wireless/mwl8k.c"), "i" (2077), "i" (12UL)); [10534-10535] [2023-11-23 21:32:09,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10567] [2023-11-23 21:32:09,789 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/11750/dscv_tempdir/dscv/ri/43_2a/drivers/net/wireless/mwl8k.c"), "i" (5355), "i" (12UL)); [13359-13360] [2023-11-23 21:32:09,804 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/11750/dscv_tempdir/dscv/ri/43_2a/drivers/net/wireless/mwl8k.c"), "i" (5524), "i" (12UL)); [13536-13537] [2023-11-23 21:32:09,805 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/11750/dscv_tempdir/dscv/ri/43_2a/drivers/net/wireless/mwl8k.c"), "i" (5525), "i" (12UL)); [13544-13545] [2023-11-23 21:32:09,826 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/11750/dscv_tempdir/dscv/ri/43_2a/drivers/net/wireless/mwl8k.c"), "i" (5774), "i" (12UL)); [13763-13764] [2023-11-23 21:32:09,947 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_5928f7a2-e107-4290-9594-ad033de5f10b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i[463616,463629] [2023-11-23 21:32:09,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:10,175 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:10,175 WARN L675 CHandler]: The function ldv_calloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:10,175 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:10,185 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:10,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10 WrapperNode [2023-11-23 21:32:10,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:10,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:10,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:10,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:10,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (1/1) ... [2023-11-23 21:32:10,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (1/1) ... [2023-11-23 21:32:11,201 INFO L138 Inliner]: procedures = 452, calls = 3932, calls flagged for inlining = 198, calls inlined = 174, statements flattened = 8929 [2023-11-23 21:32:11,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:11,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:11,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:11,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:11,225 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (1/1) ... [2023-11-23 21:32:11,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (1/1) ... [2023-11-23 21:32:11,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (1/1) ... [2023-11-23 21:32:11,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (1/1) ... [2023-11-23 21:32:11,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (1/1) ... [2023-11-23 21:32:11,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (1/1) ... [2023-11-23 21:32:11,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (1/1) ... [2023-11-23 21:32:11,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (1/1) ... [2023-11-23 21:32:12,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:12,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:12,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:12,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:12,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (1/1) ... [2023-11-23 21:32:12,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:12,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928f7a2-e107-4290-9594-ad033de5f10b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:12,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928f7a2-e107-4290-9594-ad033de5f10b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:12,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928f7a2-e107-4290-9594-ad033de5f10b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2023-11-23 21:32:12,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2023-11-23 21:32:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2023-11-23 21:32:12,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2023-11-23 21:32:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2023-11-23 21:32:12,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2023-11-23 21:32:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 21:32:12,097 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 21:32:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:32:12,098 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:32:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_rts_threshold [2023-11-23 21:32:12,098 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_rts_threshold [2023-11-23 21:32:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-23 21:32:12,098 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-23 21:32:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-23 21:32:12,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-23 21:32:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:32:12,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:32:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_interface [2023-11-23 21:32:12,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_interface [2023-11-23 21:32:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:32:12,100 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:32:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:32:12,100 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:32:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-23 21:32:12,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-23 21:32:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-23 21:32:12,101 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-23 21:32:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_prepare_multicast [2023-11-23 21:32:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_prepare_multicast [2023-11-23 21:32:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2023-11-23 21:32:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2023-11-23 21:32:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2023-11-23 21:32:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2023-11-23 21:32:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 21:32:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-23 21:32:12,103 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-23 21:32:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2023-11-23 21:32:12,103 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2023-11-23 21:32:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2023-11-23 21:32:12,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2023-11-23 21:32:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2023-11-23 21:32:12,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2023-11-23 21:32:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2023-11-23 21:32:12,105 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2023-11-23 21:32:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_get_stats [2023-11-23 21:32:12,105 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_get_stats [2023-11-23 21:32:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-23 21:32:12,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-23 21:32:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:32:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-23 21:32:12,106 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-23 21:32:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:32:12,107 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:32:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_configure_filter [2023-11-23 21:32:12,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_configure_filter [2023-11-23 21:32:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2023-11-23 21:32:12,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2023-11-23 21:32:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2023-11-23 21:32:12,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2023-11-23 21:32:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2023-11-23 21:32:12,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2023-11-23 21:32:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:32:12,109 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:32:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-23 21:32:12,109 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-23 21:32:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:32:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:32:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:32:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure ___might_sleep [2023-11-23 21:32:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ___might_sleep [2023-11-23 21:32:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:32:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2023-11-23 21:32:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2023-11-23 21:32:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 21:32:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 21:32:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_watchdog_ba_events [2023-11-23 21:32:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_watchdog_ba_events [2023-11-23 21:32:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2023-11-23 21:32:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2023-11-23 21:32:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:32:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:32:12,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:32:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2023-11-23 21:32:12,113 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2023-11-23 21:32:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2023-11-23 21:32:12,113 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2023-11-23 21:32:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:32:12,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:32:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2023-11-23 21:32:12,114 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2023-11-23 21:32:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx [2023-11-23 21:32:12,115 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx [2023-11-23 21:32:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2023-11-23 21:32:12,115 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2023-11-23 21:32:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-23 21:32:12,115 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-23 21:32:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 21:32:12,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 21:32:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-23 21:32:12,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-23 21:32:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sw_scan_start [2023-11-23 21:32:12,117 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sw_scan_start [2023-11-23 21:32:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-23 21:32:12,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-23 21:32:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:32:12,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:32:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2023-11-23 21:32:12,118 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2023-11-23 21:32:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2023-11-23 21:32:12,118 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2023-11-23 21:32:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-11-23 21:32:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-11-23 21:32:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:32:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:32:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2023-11-23 21:32:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2023-11-23 21:32:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:32:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_get_survey [2023-11-23 21:32:12,120 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_get_survey [2023-11-23 21:32:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-11-23 21:32:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-23 21:32:12,121 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-23 21:32:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2023-11-23 21:32:12,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2023-11-23 21:32:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:32:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:32:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:32:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:32:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2023-11-23 21:32:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2023-11-23 21:32:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2023-11-23 21:32:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2023-11-23 21:32:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2023-11-23 21:32:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2023-11-23 21:32:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-11-23 21:32:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-11-23 21:32:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2023-11-23 21:32:12,124 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2023-11-23 21:32:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:32:12,124 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:32:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2023-11-23 21:32:12,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2023-11-23 21:32:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2023-11-23 21:32:12,125 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2023-11-23 21:32:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 21:32:12,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-23 21:32:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:12,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2023-11-23 21:32:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2023-11-23 21:32:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-23 21:32:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-23 21:32:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:32:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:32:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2023-11-23 21:32:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2023-11-23 21:32:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2023-11-23 21:32:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2023-11-23 21:32:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:32:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:32:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2023-11-23 21:32:12,128 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2023-11-23 21:32:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:32:12,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:32:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2023-11-23 21:32:12,128 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2023-11-23 21:32:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_interrupt [2023-11-23 21:32:12,129 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_interrupt [2023-11-23 21:32:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-23 21:32:12,129 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-23 21:32:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-23 21:32:12,129 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-23 21:32:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-11-23 21:32:12,130 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2023-11-23 21:32:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2023-11-23 21:32:12,130 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2023-11-23 21:32:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2023-11-23 21:32:12,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2023-11-23 21:32:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2023-11-23 21:32:12,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2023-11-23 21:32:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2023-11-23 21:32:12,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2023-11-23 21:32:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2023-11-23 21:32:12,132 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2023-11-23 21:32:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2023-11-23 21:32:12,132 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2023-11-23 21:32:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2023-11-23 21:32:12,132 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2023-11-23 21:32:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2023-11-23 21:32:12,132 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2023-11-23 21:32:12,133 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:32:12,133 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:32:12,133 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_restart_work [2023-11-23 21:32:12,133 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_restart_work [2023-11-23 21:32:12,133 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2023-11-23 21:32:12,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2023-11-23 21:32:12,134 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2023-11-23 21:32:12,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2023-11-23 21:32:12,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:32:12,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:32:12,134 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-23 21:32:12,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-23 21:32:12,135 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2023-11-23 21:32:12,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2023-11-23 21:32:12,135 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2023-11-23 21:32:12,135 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2023-11-23 21:32:12,135 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 21:32:12,136 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 21:32:12,136 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2023-11-23 21:32:12,136 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2023-11-23 21:32:12,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:32:12,136 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:32:12,136 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2023-11-23 21:32:12,137 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2023-11-23 21:32:12,137 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-23 21:32:12,137 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-23 21:32:12,137 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bbp_reg_access [2023-11-23 21:32:12,137 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bbp_reg_access [2023-11-23 21:32:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:32:12,138 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:32:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-11-23 21:32:12,138 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-11-23 21:32:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2023-11-23 21:32:12,138 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2023-11-23 21:32:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2023-11-23 21:32:12,139 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2023-11-23 21:32:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-23 21:32:12,139 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-23 21:32:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:32:12,140 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2023-11-23 21:32:12,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2023-11-23 21:32:12,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:32:12,140 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2023-11-23 21:32:12,140 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2023-11-23 21:32:12,140 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_bss_info_changed [2023-11-23 21:32:12,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_bss_info_changed [2023-11-23 21:32:12,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-23 21:32:12,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-23 21:32:12,141 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2023-11-23 21:32:12,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2023-11-23 21:32:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2023-11-23 21:32:12,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2023-11-23 21:32:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sw_scan_complete [2023-11-23 21:32:12,142 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sw_scan_complete [2023-11-23 21:32:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2023-11-23 21:32:12,142 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2023-11-23 21:32:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2023-11-23 21:32:12,143 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2023-11-23 21:32:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2023-11-23 21:32:12,143 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2023-11-23 21:32:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:32:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2023-11-23 21:32:12,144 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2023-11-23 21:32:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:32:12,144 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:32:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-23 21:32:12,144 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-23 21:32:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:32:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:32:12,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-11-23 21:32:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-11-23 21:32:12,145 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2023-11-23 21:32:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2023-11-23 21:32:12,145 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2023-11-23 21:32:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2023-11-23 21:32:12,146 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2023-11-23 21:32:12,146 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2023-11-23 21:32:12,146 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2023-11-23 21:32:12,146 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2023-11-23 21:32:12,146 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2023-11-23 21:32:12,146 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2023-11-23 21:32:12,147 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2023-11-23 21:32:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2023-11-23 21:32:12,147 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2023-11-23 21:32:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2023-11-23 21:32:12,147 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 21:32:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 21:32:12,148 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-11-23 21:32:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-11-23 21:32:12,148 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2023-11-23 21:32:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2023-11-23 21:32:12,148 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2023-11-23 21:32:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2023-11-23 21:32:12,149 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-23 21:32:12,149 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-23 21:32:12,149 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sta_remove [2023-11-23 21:32:12,149 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sta_remove [2023-11-23 21:32:12,149 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2023-11-23 21:32:12,149 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2023-11-23 21:32:12,149 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2023-11-23 21:32:12,150 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2023-11-23 21:32:12,150 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2023-11-23 21:32:12,150 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2023-11-23 21:32:12,150 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2023-11-23 21:32:12,150 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2023-11-23 21:32:12,150 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:32:12,151 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:32:12,151 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_finalize_join_worker [2023-11-23 21:32:12,151 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_finalize_join_worker [2023-11-23 21:32:12,151 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-23 21:32:12,151 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-23 21:32:12,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:32:12,152 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2023-11-23 21:32:12,152 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2023-11-23 21:32:12,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:32:12,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:32:12,152 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2023-11-23 21:32:12,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2023-11-23 21:32:12,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:32:12,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:32:12,153 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2023-11-23 21:32:12,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2023-11-23 21:32:12,153 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2023-11-23 21:32:12,153 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2023-11-23 21:32:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-23 21:32:12,154 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-23 21:32:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sta_add [2023-11-23 21:32:12,154 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sta_add [2023-11-23 21:32:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-23 21:32:12,154 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-23 21:32:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-23 21:32:12,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-23 21:32:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2023-11-23 21:32:12,155 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2023-11-23 21:32:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_interface [2023-11-23 21:32:12,155 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_interface [2023-11-23 21:32:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2023-11-23 21:32:12,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2023-11-23 21:32:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-23 21:32:12,156 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-23 21:32:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2023-11-23 21:32:12,156 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2023-11-23 21:32:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_ampdu_action [2023-11-23 21:32:12,157 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_ampdu_action [2023-11-23 21:32:12,157 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2023-11-23 21:32:12,157 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2023-11-23 21:32:12,157 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2023-11-23 21:32:12,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2023-11-23 21:32:12,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-23 21:32:12,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-23 21:32:12,158 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-23 21:32:12,158 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-23 21:32:12,158 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2023-11-23 21:32:12,158 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2023-11-23 21:32:12,158 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:32:12,159 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:32:12,159 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2023-11-23 21:32:12,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2023-11-23 21:32:12,159 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2023-11-23 21:32:12,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2023-11-23 21:32:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-23 21:32:12,160 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-23 21:32:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:32:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2023-11-23 21:32:12,160 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2023-11-23 21:32:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2023-11-23 21:32:12,161 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2023-11-23 21:32:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2023-11-23 21:32:12,161 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2023-11-23 21:32:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2023-11-23 21:32:12,161 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2023-11-23 21:32:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2023-11-23 21:32:12,161 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2023-11-23 21:32:13,518 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:13,524 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:17,267 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:32:31,676 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:37,219 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:37,219 INFO L309 CfgBuilder]: Removed 32 assume(true) statements. [2023-11-23 21:32:37,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:37 BoogieIcfgContainer [2023-11-23 21:32:37,225 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:37,230 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:37,230 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:37,234 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:37,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:03" (1/3) ... [2023-11-23 21:32:37,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6002f7eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:37, skipping insertion in model container [2023-11-23 21:32:37,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (2/3) ... [2023-11-23 21:32:37,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6002f7eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:37, skipping insertion in model container [2023-11-23 21:32:37,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:37" (3/3) ... [2023-11-23 21:32:37,239 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i [2023-11-23 21:32:37,263 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:37,264 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:32:37,410 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:37,422 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;@2e040721, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:37,422 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:32:37,443 INFO L276 IsEmpty]: Start isEmpty. Operand has 2711 states, 1720 states have (on average 1.3616279069767443) internal successors, (2342), 1794 states have internal predecessors, (2342), 817 states have call successors, (817), 173 states have call predecessors, (817), 172 states have return successors, (804), 794 states have call predecessors, (804), 804 states have call successors, (804) [2023-11-23 21:32:37,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2023-11-23 21:32:37,498 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:37,499 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, 1, 1, 1] [2023-11-23 21:32:37,500 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:37,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:37,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1220302749, now seen corresponding path program 1 times [2023-11-23 21:32:37,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:37,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61464236] [2023-11-23 21:32:37,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:37,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:40,566 INFO L134 CoverageAnalysis]: Checked inductivity of 7982 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7982 trivial. 0 not checked. [2023-11-23 21:32:40,568 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:40,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61464236] [2023-11-23 21:32:40,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61464236] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:40,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:40,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:32:40,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573618548] [2023-11-23 21:32:40,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:40,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:32:40,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:40,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:32:40,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:32:40,647 INFO L87 Difference]: Start difference. First operand has 2711 states, 1720 states have (on average 1.3616279069767443) internal successors, (2342), 1794 states have internal predecessors, (2342), 817 states have call successors, (817), 173 states have call predecessors, (817), 172 states have return successors, (804), 794 states have call predecessors, (804), 804 states have call successors, (804) 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, (62), 2 states have call predecessors, (62), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2023-11-23 21:32:42,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []