Exemple #1
0
            print("NCC")

    # print(p)
    print(word)
    s.add(p)

    if idx == MAX_DEPTH:
        # print(word)
        return

    words(idx + 1, word + 'a')
    words(idx + 1, word + 'b')


words(0, "")

# print("asserted constraints...")
# for c in s.assertions():
# print(c)
print()
print()

if s.check() == sat:
    for item in utils.sorted_model(s):
        print(item)

    utils.z3_to_smt2(s, "ass1-q1")

else:
    print("Failed to solve")
Exemple #2
0
					And(
						Or(
							CHIP_POS[i][0] <= (CHIP_POS[j][0] - POWER_COMPONENTS_DISTANCE - abs(COMPONENT_DIM[j][1] - COMPONENT_DIM[i][0])/2.), #left w/o rotation
							CHIP_POS[j][0] <= (CHIP_POS[i][0] - POWER_COMPONENTS_DISTANCE - abs(COMPONENT_DIM[j][1] - COMPONENT_DIM[i][0])/2.), #right
							CHIP_POS[i][1] <= (CHIP_POS[j][1] - POWER_COMPONENTS_DISTANCE - abs(COMPONENT_DIM[j][0] - COMPONENT_DIM[i][1])/2.), #below
							CHIP_POS[j][1] <= (CHIP_POS[i][1] - POWER_COMPONENTS_DISTANCE - abs(COMPONENT_DIM[j][0] - COMPONENT_DIM[i][1])/2.), #above
						),
						And(CHIP_POS[i][2] == 0, CHIP_POS[j][2] == 1)
					),
					And(
						Or(
							CHIP_POS[i][0] <= (CHIP_POS[j][0] - POWER_COMPONENTS_DISTANCE - abs(COMPONENT_DIM[j][1] - COMPONENT_DIM[i][1])/2.), #left w/o rotation
							CHIP_POS[j][0] <= (CHIP_POS[i][0] - POWER_COMPONENTS_DISTANCE - abs(COMPONENT_DIM[j][1] - COMPONENT_DIM[i][1])/2.), #right
							CHIP_POS[i][1] <= (CHIP_POS[j][1] - POWER_COMPONENTS_DISTANCE - abs(COMPONENT_DIM[j][0] - COMPONENT_DIM[i][0])/2.), #below
							CHIP_POS[j][1] <= (CHIP_POS[i][1] - POWER_COMPONENTS_DISTANCE - abs(COMPONENT_DIM[j][0] - COMPONENT_DIM[i][0])/2.), #above
						),
						And(CHIP_POS[i][2] == 1, CHIP_POS[j][2] == 1)
					)
				)
			)

if s.check() == sat:

	print(utils.sorted_model(s))
	utils.draw_chip_design(CHIP_WIDTH, CHIP_HEIGHT, COMPONENT_DIM, POWER_COMPONENTS, s)
	utils.z3_to_smt2(s, "ass1-q2")

else:	
	print("Failed to solve")

Exemple #3
0
s.add(
    And(SCHEDULE[11] >= SCHEDULE[8] + JOB_TIMES[8],
        SCHEDULE[11] >= SCHEDULE[10] + JOB_TIMES[10]))

# Jobs 5,7 and 10 mutually exclusive
for i in [4, 6, 9]:
    for j in [4, 6, 9]:
        if not (i == j):
            s.add(
                Or(And(SCHEDULE[i] <= SCHEDULE[j] - JOB_TIMES[i]),
                   And(SCHEDULE[i] >= SCHEDULE[j] + JOB_TIMES[j])))

# Total time restriction
for i in range(JOBS):
    s.add(SCHEDULE[i] <= TIME - JOB_TIMES[i])

# Additional condition for q3-b
# Job 6 and 12 need a resource of limited availability
# Job 6 can run only when job 12 is running
s.add(
    And(SCHEDULE[5] >= SCHEDULE[11],
        SCHEDULE[5] <= SCHEDULE[11] + JOB_TIMES[11] - JOB_TIMES[5]))

if s.check() == sat:

    utils.sorted_model(s)
    utils.z3_to_smt2(s, "ass1-q3-b")
    utils.draw_schedule(JOBS, TIME, JOB_TIMES, s)

else:
    print("Failed to solve")
                    truckItem[i][TYPEOF['Prittle']] == 0))

    return s


while (True):
    s = RepeatingFuntion(PRITTLES_GLOB)

    if (s.check() == sat):
        print("Satisfiable with " + str(PRITTLES_GLOB) + " prittle pallets")
        PRITTLES_GLOB = PRITTLES_GLOB + 1

        prev_solver = s

    else:
        print("Unsatisfiable with " + str(PRITTLES_GLOB) + " prittle pallets")
        print("Best model found:\n")
        print(utils.sorted_model(prev_solver))
        utils.z3_to_smt2(prev_solver, "ass1-q1-b")

        break

# if s.check() == sat:
# 	print(s.model())
# 	helper_obj = utils.helpers()
# 	helper_obj.z3_to_smt2(s.to_smt2(), "ass1-q1")

# else:
# 	print("Failed to solve")
# print(s.to_smt2())
                var_constraints.append(
                    a[chosen_var][step] == a[chosen_var - 1][step - 1] +
                    a[chosen_var + 1][step - 1])
            else:
                var_constraints.append(a[i][step] == a[i][step - 1])

        step_constraints.append(And(var_constraints))

    s.add(Or(step_constraints))

# define the stop criteria a3 = a7

# a
s.add(a[3 - 1][STEPS - 1] == a[7 - 1][STEPS - 1])

# b
s.add(a[2][STEPS - 1] == a[4][STEPS - 1])

if s.check() == sat:
    step = 0
    for var, var_str in utils.sorted_model(s):
        print(var, var_str)
        step = step + 1

        if step % NUM_VARS == 0:
            print()

    utils.z3_to_smt2(s, "ass1-q4-a")

else:
    print("Failed to solve")