Examples with Context com.microsoft.z3.Context used on opensource projects

Example 71 with Context

use of com.microsoft.z3.Context in project batfish by batfish.

the class BoolExprTransformer method visitBasicRuleStatement.

@Override
public BoolExpr visitBasicRuleStatement(BasicRuleStatement basicRuleStatement) {
    Context ctx = _nodContext.getContext();
    ImmutableList.Builder<BoolExpr> preconditions = ImmutableList.<BoolExpr>builder().add(toBoolExpr(basicRuleStatement.getPreconditionStateIndependentConstraints(), _input, _nodContext));
    basicRuleStatement.getPreconditionStates().stream().map(preconditionState -> toBoolExpr(preconditionState, _input, _nodContext)).forEach(preconditions::add);
    return ctx.mkImplies(ctx.mkAnd(preconditions.build().stream().toArray(BoolExpr[]::new)), toBoolExpr(basicRuleStatement.getPostconditionState(), _input, _nodContext));
}

Example 72 with Context

use of com.microsoft.z3.Context in project bmoth by hhu-stups.

the class Issue59Test method testIssue59JustInvariant.

@Test
public void testIssue59JustInvariant() {
    Context ctx = new Context();
    Solver s = ctx.mkSolver();
    String formula = "x**2 = x*x & #x.({x} \\/ {1,2} = {1,2})";
    BoolExpr combinedConstraint = translatePredicate(formula, ctx);
    s.add(combinedConstraint);
    Status check = s.check();
    assertEquals(Status.SATISFIABLE, check);
}

Example 73 with Context

use of com.microsoft.z3.Context in project bmoth by hhu-stups.

the class Issue59Test method testIssue59JustInvariant2.

@Test
public void testIssue59JustInvariant2() {
    Context ctx = new Context();
    Solver s = ctx.mkSolver();
    String formula = "x**2 = x*x";
    BoolExpr combinedConstraint = translatePredicate(formula, ctx);
    s.add(combinedConstraint);
    Status check = s.check();
    assertEquals(Status.SATISFIABLE, check);
}

Example 74 with Context

use of com.microsoft.z3.Context in project bmoth by hhu-stups.

the class Z3SolverFactory method getZ3Solver.

static Solver getZ3Solver(Context ctx) {
    Solver solver = ctx.mkSolver();
    Params params = ctx.mkParams();
    params.add("timeout", BMothPreferences.getIntPreference(BMothPreferences.IntPreference.Z3_TIMEOUT));
    solver.setParameters(params);
    return solver;
}

Example 75 with Context

use of com.microsoft.z3.Context in project bmoth by hhu-stups.

the class Z3TypeInference method getZ3Sort.

public Sort getZ3Sort(Z3Type t, Context z3Context) {
    if (t instanceof Z3BasicType) {
        switch(((Z3BasicType) t).kind) {
            case INTEGER:
                return z3Context.getIntSort();
            case BOOL:
                return z3Context.getBoolSort();
            default:
                break;
        }
    } else if (t instanceof Z3SetType) {
        Sort subSort = getZ3Sort(((Z3SetType) t).subtype, z3Context);
        return z3Context.mkSetSort(subSort);
    } else if (t instanceof Z3CoupleType) {
        Z3CoupleType couple = (Z3CoupleType) t;
        Sort left = getZ3Sort(couple.left, z3Context);
        Sort right = getZ3Sort(couple.right, z3Context);
        Sort[] subSorts = new Sort[2];
        subSorts[0] = left;
        subSorts[1] = right;
        return z3Context.mkTupleSort(z3Context.mkSymbol("couple"), new Symbol[] { z3Context.mkSymbol("left"), z3Context.mkSymbol("right") }, subSorts);
    } else if (t instanceof Z3SequenceType) {
        Sort subSort = getZ3Sort(((Z3SequenceType) t).subtype, z3Context);
        Sort intType = z3Context.getIntSort();
        Sort[] subSorts = new Sort[2];
        subSorts[0] = z3Context.mkArraySort(intType, subSort);
        subSorts[1] = intType;
        return z3Context.mkTupleSort(z3Context.mkSymbol("sequence"), new Symbol[] { z3Context.mkSymbol("array"), z3Context.mkSymbol("size") }, subSorts);
    } else if (t instanceof Z3DeferredType) {
        return z3Context.mkUninterpretedSort(((Z3DeferredType) t).name);
    } else if (t instanceof Z3EnumeratedSetType) {
        List<String> elements = ((Z3EnumeratedSetType) t).elements;
        String[] array = elements.toArray(new String[elements.size()]);
        return z3Context.mkEnumSort(((Z3EnumeratedSetType) t).name, array);
    }
    throw new AssertionError("Missing Type Conversion: " + t.getClass());
}