NOTE: Airac ignores all assembly codes during analysis.
      Airac ignores all compilation directives such as inline, attribute, etc.

Warning: "linux-2.6.4/include/asm/apic.h":31: assuming sizeof() has [-Inf,Inf] value. (expression is neither a id nor type name.)
Warning: "linux-2.6.4/include/asm/rwsem.h":175: assuming sizeof() has [-Inf,Inf] value. (expression is neither a id nor type name.)
Warning: "linux-2.6.4/include/asm-generic/siginfo.h":275: assuming sizeof() has [-Inf,Inf] value. (expression is neither a id nor type name.)
Warning: "linux-2.6.4/include/asm-generic/siginfo.h":275: assuming sizeof() has [-Inf,Inf] value. (expression is neither a id nor type name.)
Warning: "linux-2.6.4/include/asm-generic/siginfo.h":275: assuming sizeof() has [-Inf,Inf] value. (expression is neither a id nor type name.)
Warning: "linux-2.6.4/include/asm-generic/siginfo.h":278: assuming sizeof() has [-Inf,Inf] value. (expression is neither a id nor type name.)
Warning: "linux-2.6.4/include/asm-generic/siginfo.h":278: assuming sizeof() has [-Inf,Inf] value. (expression is neither a id nor type name.)
Warning: "linux-2.6.4/include/asm-generic/siginfo.h":278: assuming sizeof() has [-Inf,Inf] value. (expression is neither a id nor type name.)

Parsing and transformation done:
     31034 ast nodes 
       431 global variables
       410 function definitions
      2268 initial abstract memory entries

Airac options: the inlining/unrolling depth 1 
               the unrolling bound 0

Analysis begins
  Fixpoint iterations with widening...................................
  The number of alarm candidates: 4
  Fixpoint iterations with narrowing....................

  There are some overflows and underflows that may be bugs.
     Overflow (name: acm_table, size: [32, 32])
	Index: [0, +Inf]  (file: "cdc-acm.c", line: 626, column: 44)
	Index: [0, +Inf]  (file: "cdc-acm.c", line: 703, column: 47)
	Index: [1, +Inf]  (file: "cdc-acm.c", line: 625, column: 70)

  Number of alarms (buffers: 1, accesses: 3)
  User + system time: 3.980000 s
  Wall-clock time: 8 s