Avoid duplicate calculation of score for each run result in table-generator.
Avoid duplicate calculation of score for each run result in
table-generator.

cheshire/benchexec,bjowac/impara-benchexec,sosy-lab/benchexec,dbeyer/benchexec,michkot/benchexec,martin-neuhaeusser/benchexec,dbeyer/benchexec,ultimate-pa/benchexec,ultimate-pa/benchexec,ultimate-pa/benchexec,dbeyer/benchexec,ultimate-pa/benchexec,sosy-lab/benchexec,martin-neuhaeusser/benchexec,sosy-lab/benchexec,martin-neuhaeusser/benchexec,cheshire/benchexec,michkot/benchexec,sosy-lab/benchexec,martin-neuhaeusser/benchexec,bjowac/impara-benchexec,IljaZakharov/benchexec,IljaZakharov/benchexec,ultimate-pa/benchexec,IljaZakharov/benchexec,sosy-lab/benchexec,IljaZakharov/benchexec,sosy-lab/benchexec,dbeyer/benchexec,ultimate-pa/benchexec,cheshire/benchexec,michkot/benchexec,bjowac/impara-benchexec