+PROG AQUA urs:1 HEAD Materialien NORM DIN 1045-1 CONC 1 C 25 STEE 2 BST 500 SREC 1 H .5 B 1.0 SREC 2 H .1 B 0.1 SREC 3 H .2 B 0.2 END +PROG GENF urs:3 HEAD SYST SPAC NODE 101 0 0 0 FIX F 102 10 0 0 FIX F 103 12 0 0 FIX F 201 0 0 -5 202 10 0 -5 203 12 0 -4 303 12 0 -5 104 16 0 .1 FIX xp BEAM NO NA NE NCS NR=YY 1 101 201 1 2 102 202 1 3 103 203 2 4 203 303 1 201 201 202 1 BEAM NO NA NE NCS NR=YY EHIN=MYMZ $ this input leads to 103 103 104 1 $ instability of node 104!! END $ This is marked in the output!! +PROG ASE urs:2 HEAD EIGE 10 END