#include #include $input double data[3][3]; $input double A,B,C,D,E,F,G,H,I; //00 => A //01 => B //02 => C //10 => D //11 => E //12 => F //20 => G //21 => H //22 => I $assume (0==(H * A - 1 * G * B)); $assume (0 == D); $assume (0 != ((I * A) - (G * C))); $assume (0 != E && 0 != G && 0 != A); $assume ((0 == (E * I * A - E * G * C - F * H * A + F * G * B))); int main() { $assert( 1 == 0, "unreachable"); }