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z3++

Project description

z4

z3 with some improvements:

  • Change the right shift operation on BitVec's to be logical instead of arithmetic
  • Add the ByteVec class
  • Some helper methods for solving:
    • easy_solve
    • find_all_solutions
    • easy_prove
  • Add some helper functions for z3 variables/constants:
    • BoolToInt
    • Sgn
    • Abs
    • TruncDiv

Usage

Install with pip install z4-solver.

Standard usage:

import z4

a, b = z4.Ints("a b")
print(*z4.find_all_solutions([a > 0, b > 0, a % b == 3, a > b, a + b == 19]), sep="\n")

Output:

[b = 4, a = 15, div0 = [else -> 3], mod0 = [else -> 3]]
[b = 8, a = 11, div0 = [else -> 1], mod0 = [else -> 3]]

Project details


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