("a %lf ind %d integral %lf ind + 1 %lf ind %lf time +1 %lf time %lf",
a, ind, integral, trace->integral[ind + 1], trace->integral[ind],
trace->time_points[ind + 1], trace->time_points[ind]);
("a %lf ind %d integral %lf ind + 1 %lf ind %lf time +1 %lf time %lf",
a, ind, integral, trace->integral[ind + 1], trace->integral[ind],
trace->time_points[ind + 1], trace->time_points[ind]);