Mutual Exclusion Algorithm using atomicSwap

- mutex.mod           CafeOBJ specification
- invariants.mod    Invariants to prove
- template.mod       Proof scores template
- proof100.mod       Proof score of Claim 100
- proof110.mod       Proof score of Claim 110
- proof120.mod       Proof score of Claim 120
- proof130.mod       Proof score of Claim 130
- proof140.mod       Proof score of Claim 140
- proof150.mod       Proof score of Claim 150
- proof160.mod       Proof score of Claim 160
- proof170.mod       Proof score of Claim 170
- proof180.mod       Proof score of Claim 180
- proof190.mod       Proof score of Claim 190