// test case for the fix in SVN r11976
// handling of != operator by parametric / exact engine in state formulas
//
// first property had result of 0 before fix, the second (equivalent) property had the correct result

// RESULT: 3/8
P=?[ (s!=t) U s=3 ]

// RESULT: 3/8
P=?[ !(s=t) U s=3 ]