47 lines
937 B
Plaintext
47 lines
937 B
Plaintext
r_in_r := 30;
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r_in_d := 10;
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r_out := 15.7;
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automaton lake
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contr_var: x, t, c;
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synclabs: lakelab;
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loc dry:
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while x >= 0 & c <= 0.75 wait
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{ 0.7 * r_in_d - r_out <= x' <= r_in_d - r_out & t' == 1 & c' == 1}
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when (c >= 0.75) sync lakelab goto rain;
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loc rain:
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while x >= 0 & c <= 1 wait
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{ 0.7 * r_in_r - r_out <= x' <= r_in_r - r_out & t' == 1 & c' == 1}
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when (c >= 1) sync lakelab do {c' == 0 & t' == t & x' == x} goto dry;
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initially: dry & x == 25.7 & t == 0 & c == 0;
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end
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// Compute the reachable set
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//
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region=lake.reachable;
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//
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// Output to file
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region.print("lake2_regions.txt", 0);
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region.project_to(t, x);
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region.print("lake2.txt", 2);
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// Safety verification
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forbidden = lake.{$ & x < 0};
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reach_set = lake.is_reachable(forbidden);
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reach_set.intersection_assign(forbidden);
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echo "The intersection between the reachable set and the bad region is:";
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reach_set.is_empty;
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