Wat the segfault

segfaultClock

int lastS;
float munge;

void setup() {
    size(300,300);
    lastS = second();
    munge = 0;
}

void draw() {
    munge += TWO_PI/60./60.;
    if(lastS != second()) {
        munge = 0;
        lastS = second();
    }
    background(0);
    pushMatrix();
    translate(width/2,height/2);
    ellipseMode(CENTER);
    stroke(255);
    fill(0);
    ellipse(0,0,25,25);
    float much = (second()/60.) * TWO_PI + munge;
    rotate(much);
    translate(0,-50);
    rotate(-much);
    ellipse(0,0,25,25);
    fill(255);
    textAlign(CENTER,CENTER);
    text(second(), 0,-2);
    much = (minute()/60.) * TWO_PI + (TWO_PI/second()/60.);
    rotate(much);
    translate(0,-20);
    rotate(-much);
    fill(0);
    ellipse(0,0,15,15);
    fill(255);
    textAlign(CENTER,CENTER);
    text(minute(), 0,-2);
    popMatrix();
}

On, Procelling also reports the following message:

#
# A fatal error has been detected by the Java Runtime Environment:
#
#  SIGBUS (0xa) at pc=0x00007f9daf0153d0, pid=15041, tid=60939
#
# JRE version: Java(TM) SE Runtime Environment (7.0_55-b13) (build 1.7.0_55-b13)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (24.55-b03 mixed mode bsd-amd64 compressed oops)
# Problematic frame:
# C  0x00007f9daf0153d0
#
# Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
#
# An error report file with more information is saved as:
# /Users/hawk/hs_err_pid15041.log
#
# If you would like to submit a bug report, please visit:
#   http://bugreport.sun.com/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#