tracer.icn   :    7  | tracer(1)
tracer.icn   :   20  | tracer suspended 1
tracer.icn   :    7  | tracer resumed
tracer.icn   :   20  | tracer suspended 2
tracer.icn   :    7  | tracer resumed
tracer.icn   :   20  | tracer suspended 3
tracer.icn   :    7  | tracer resumed
tracer.icn   :   20  | tracer suspended "abcdef"
tracer.icn   :    7  | tracer resumed
tracer.icn   :   20  | tracer suspended "123456"
tracer.icn   :    7  | tracer resumed
tracer.icn   :   20  | tracer suspended 4
tracer.icn   :    7  | tracer resumed
tracer.icn   :   20  | tracer suspended 0
tracer.icn   :    7  | tracer resumed
tracer.icn   :   20  | tracer suspended -16
tracer.icn   :    7  | tracer resumed
tracer.icn   :   20  | tracer suspended "3"
tracer.icn   :    7  | tracer resumed
tracer.icn   :   20  | tracer suspended "4"
tracer.icn   :    7  | tracer resumed
tracer.icn   :   20  | tracer suspended "c"
tracer.icn   :    7  | tracer resumed
tracer.icn   :   20  | tracer suspended "cd"
tracer.icn   :    7  | tracer resumed
tracer.icn   :   20  | tracer suspended "0"
tracer.icn   :    7  | tracer resumed
tracer.icn   :   20  | tracer suspended "-"
tracer.icn   :    7  | tracer resumed
tracer.icn   :   20  | tracer suspended "2"
tracer.icn   :    7  | tracer resumed
tracer.icn   :   23  | tracer suspended 1
tracer.icn   :    7  | tracer resumed
tracer.icn   :   23  | tracer suspended 2
tracer.icn   :    7  | tracer resumed
tracer.icn   :   23  | tracer suspended (variable = 3)
tracer.icn   :    7  | tracer resumed
tracer.icn   :   23  | tracer suspended (variable = "abcdef")
tracer.icn   :    7  | tracer resumed
tracer.icn   :   23  | tracer suspended &subject = "123456"
tracer.icn   :    7  | tracer resumed
tracer.icn   :   23  | tracer suspended &pos = 4
tracer.icn   :    7  | tracer resumed
tracer.icn   :   23  | tracer suspended &random = 0
tracer.icn   :    7  | tracer resumed
tracer.icn   :   23  | tracer suspended &trace = -47
tracer.icn   :    7  | tracer resumed
tracer.icn   :   23  | tracer suspended &subject[3] = "3"
tracer.icn   :    7  | tracer resumed
tracer.icn   :   23  | tracer suspended "4"
tracer.icn   :    7  | tracer resumed
tracer.icn   :   23  | tracer suspended "abcdef"[3] = "c"
tracer.icn   :    7  | tracer resumed
tracer.icn   :   23  | tracer suspended "abcdef"[3+:2] = "cd"
tracer.icn   :    7  | tracer resumed
tracer.icn   :   23  | tracer suspended "0"
tracer.icn   :    7  | tracer resumed
tracer.icn   :   23  | tracer suspended "-"
tracer.icn   :    7  | tracer resumed
tracer.icn   :   23  | tracer suspended &subject[2] = "2"
tracer.icn   :    7  | tracer resumed
tracer.icn   :   26  | tracer failed
tracer.icn   :    8  | foo(4)
tracer.icn   :   29  | foo returned 4
tracer.icn   :    8  | foo("123456")
tracer.icn   :   29  | foo returned "123456"
tracer.icn   :    8  | foo("4")
tracer.icn   :   29  | foo returned "4"
tracer.icn   :    8  | foo("234")
tracer.icn   :   29  | foo returned "234"
co-expression_1(1)

main local identifiers:

global identifiers:
   display = function display
   foo = procedure foo
   main = procedure main
   s = "abcdef"
   tracer = procedure tracer
   write = function write
10
tracer.icn
1
tracer.icn   :   13  main failed