-#define copystat_init();
-#define copystat_reset();
-#define copystat_collect_cls(env);
-#define copystat_add_max_costs(costs);
-#define copystat_add_inevit_costs(costs);
-#define copystat_add_init_costs(costs);
-#define copystat_add_heur_costs(costs);
-#define copystat_add_ilp_5_sec_costs(costs);
-#define copystat_add_ilp_30_sec_costs(costs);
-#define copystat_add_opt_costs(costs);
-#define copystat_add_heur_time(time);
-#define copystat_add_ilp_time(time);
-#define copystat_add_ilp_vars(vars);
-#define copystat_add_ilp_csts(csts);
-#define copystat_add_ilp_iter(iters);
-#define copystat_dump(irg);
-#define copystat_dump(irg);
-#define copystat_dump_pretty(irg);
-
-#endif /* DO_STAT */
+/**
+ * Compares different solutions of the same problem
+ */
+void co_compare_solvers(be_chordal_env_t *chordal_env);