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On evaluating decision procedures for modal logic

Hustadt, Ullrich and Schmidt, Renate A.

February 1997, 50 pages.

Status: available - back from printing

This paper reports on empirical performance analysis of four modal theorem provers on benchmark suites of randomly generated formulae. The theorem provers tested are the Davis-Putnam-based procedure K\textsc{sat}, the tableaux-based system $\mathcal{KRIS}$, the sequent-based Logics Workbench, and a translation approach combined with the first-order theorem prover SPASS. Our benchmark suites are sets of multi-modal formulae in a certain normal form randomly generated according to the scheme of Giunchiglia and Sebastiani (1996a, 1996b). We investigate the quality of the random modal formulae and show that the scheme has some shortcomings, which may lead to mistaken conclusions. We propose improvements to the evaluation method and show that the translation approach has superior computational behaviour compared to the other three approaches.

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  AUTHOR = {Hustadt, Ullrich and Schmidt, Renate A.},
  TITLE = {On evaluating decision procedures for modal logic},
  TYPE = {Research Report},
  INSTITUTION = {Max-Planck-Institut f{\"u}r Informatik},
  ADDRESS = {Im Stadtwald, D-66123 Saarbr{\"u}cken, Germany},
  NUMBER = {MPI-I-97-2-003},
  MONTH = {February},
  YEAR = {1997},
  ISSN = {0946-011X},