[d]6R1/k7/P7/PP6/8/1K1p2B1/6pP/6br w - - 0 1
It is a mate in 9, pretty easy for most engines.
Crafty starts the search and then abruptly stop the search prior to finding the mate in nine.
Here is the analysis from Arena. The earlier ply info was not output by Crafty (time savings, I presume).
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E:\Chess\Arena\TestSuites\M09-Test.epd Position 5 / 28 Bg3-b8 M9
FEN: 6R1/k7/P7/PP6/8/1K1p2B1/6pP/6br w - - 0 1
Crafty 25.3:
23 00:01 11,694k 11,353k +M10 1.Kc4 d2 2.Bb8+ Ka8 3.b6 Bxb6 4.axb6 Rc1+ 5.Kb5 Rb1+ 6.Kc6 Rxb6+ 7.Kxb6 g1Q+ 8.Rxg1 d1Q 9.Rxd1 Kxb8 10.Rd8+
23 00:00 1,367k 12,425k +M10 1.Kc4 d2 2.Bb8+ Ka8 3.b6 Bxb6 4.axb6 Rc1+ 5.Kb5 Rb1+ 6.Kc6 Rxb6+ 7.Kxb6 g1Q+ 8.Rxg1 d1Q 9.Rxd1 Kxb8 10.Rd8+
23 00:00 2k 2k +M10 1.Kc4 d2 2.Bb8+ Ka8 3.b6 Bxb6 4.axb6 Rc1+ 5.Kb5 Rb1+ 6.Kc6 Rxb6+ 7.Kxb6 g1Q+ 8.Rxg1 d1Q 9.Rxd1 Kxb8 10.Rd8+
Here is my crafty.rc file:
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mt 4
smpnice=1
egtb
tbpath=g:\Syzygy;
hash=16384M
hashp=128M
ponder off
learn 0
book off
log=off
swindle off
exit