For those struggling with debugging
1) Try passing -cc to venus.jar
timeout 120 java -jar venus.jar ./test_files/main.s ./inputs/simple1/bin/inputs/input1.bin ./inputs/simple1/bin/m0.bin ./inputs/simple1/bin/m1.bin -ms -1 -cc
It will print error messages like so:
[CC Violation]: (PC=0x000003C4) Usage of unset register a2! ../matmul.s:22 bne a2, a4, mismatched_dimensions
[CC Violation]: (PC=0x000003C4) Usage of unset register a4! ../matmul.s:22 bne a2, a4, mismatched_dimensions
.