Dimension 1 has bounds 1..10, got array subscript 0

[vsanz@…]

When trying to simulate the following model with OM 1.13.0~dev-960-ged88ece on Linux, I get the error "Dimension 1 has bounds 1..10, got array subscript 0".

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model GameofLife

parameter Integer n=10; dimension of the cellular space
parameter Integer initState[:,2]= [1, 2; 2, 3; 3, 1; 3, 2; 3, 3]; glider
Integer state[n,n]; current state of cells
Integer newstate[n,n]( start = zeros(n,n)); new state of cells
Integer neighbors( start = 0); number of neighbors alive

initial algorithm

for i in 1:n loop

for j in 1:n loop

state[i,j] := 0;

end for;

end for;

for i in 1:size(initState,1) loop

state[initState[i,1],initState[i,2]] := 1;

end for;

algorithm

when sample(1,1) then periodic iterations or steps

for i in 0:n-1 loop two for loops to evaluate all cells in the space

for j in 0:n-1 loop

neighbors := state[mod(i-1,n)+1,mod(j-1,n)+1]+

state[i+1,mod(j-1,n)+1]+
state[mod(i+1,n)+1,mod(j-1,n)+1]+
state[mod(i-1,n)+1,j+1]+
state[mod(i+1,n)+1,j+1]+
state[mod(i-1,n)+1,mod(j+1,n)+1]+
state[i+1,mod(j+1,n)+1]+
state[mod(i+1,n)+1,mod(j+1,n)+1];

if state[i+1,j+1] == 1 then if alive

if neighbors < 2 or neighbors > 3 then

newstate[i+1,j+1] := 0; dies because of isolation or overpopulation (less than 2 or more than 3 neighbors alive)

else

newstate[i+1,j+1] := 1; otherwise still alive

end if;

elseif neighbors == 3 then if not alive

newstate[i+1,j+1] := 1; becomes alive because of reproduction (3 neighbors alive)

end if;

end for;

end for;
state := newstate; update state

end when;

end GameofLife;

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Error seems to be in line 26 "neighbors := ...".

The same model works fine in Dymola.

[vsanz@…]

model file