The fragments generated from the program: 

LABEL L0
 "

LABEL L1
 "

LABEL L13
SEQ(
 MOVE(
  TEMP t123,
  ESEQ(
   EXP(
    CALL(
     NAME L15,
      MEM(
       BINOP(PLUS,
        CONST ~8,
        TEMP t125)),
      BINOP(PLUS,
       TEMP t139,
       CONST 1))),
   CONST 0)),
 LABEL L14)

LABEL L17
str"

LABEL L18
 "

LABEL L15
SEQ(
 MOVE(
  TEMP t123,
  ESEQ(
   EXP(
    CALL(
     NAME L13,
      MEM(
       BINOP(PLUS,
        CONST ~4,
        TEMP t125)),
      TEMP t141,
      NAME L17)),
   NAME L18)),
 LABEL L16)

LABEL L19
str2"

LABEL $Main$$
SEQ(
 MOVE(
  TEMP t123,
  CALL(
   NAME L13,
    TEMP t125,
    CONST 0,
    NAME L19)),
 LABEL L12)