message: travis: bump Z3 to 4.8.6
diff: @@ -15,7 +15,7 @@ addons:
  env:
  global:
  - RE2C_VERSION=1.1.1
  - - Z3_VERSION=4.8.5
  + - Z3_VERSION=4.8.6
  before_script:
  - |
  @@ -23,7 +23,7 @@ before_script:
  if [ ! -d /tmp/z3cache/z3-$Z3_VERSION-x64-ubuntu-16.04 ] ; then
  rm -fr /tmp/z3cache
  mkdir /tmp/z3cache
  - wget https://github.com/Z3Prover/z3/releases/download/Z3-$Z3_VERSION/z3-$Z3_VERSION-x64-ubuntu-16.04.zip -O /tmp/z3.zip
  + wget https://github.com/Z3Prover/z3/releases/download/z3-$Z3_VERSION/z3-$Z3_VERSION-x64-ubuntu-16.04.zip -O /tmp/z3.zip
  pushd /tmp
  unzip z3.zip
  mv z3-* z3cache
  