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diff --git a/cryptominisat5/cryptominisat-5.6.3/src/subsumeimplicit.h b/cryptominisat5/cryptominisat-5.6.3/src/subsumeimplicit.h
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+/******************************************
+Copyright (c) 2016, Mate Soos
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+***********************************************/
+
+#ifndef SUBSUMEIMPLICIT_H
+#define SUBSUMEIMPLICIT_H
+
+#include <vector>
+#include "clause.h"
+#include "constants.h"
+#include "solvertypes.h"
+#include "cloffset.h"
+#include "watcharray.h"
+#include "touchlist.h"
+
+namespace CMSat {
+
+using std::vector;
+
+class Solver;
+class Clause;
+
+class SubsumeImplicit
+{
+public:
+    explicit SubsumeImplicit(Solver* solver);
+    void subsume_implicit(bool check_stats = true);
+    uint32_t subsume_at_watch(const uint32_t at,
+                              int64_t *timeAvail,
+                              TouchList* touched = NULL);
+
+    struct Stats {
+        void clear()
+        {
+            *this = Stats();
+        }
+        Stats operator+=(const Stats& other);
+        void print_short(const Solver* solver) const;
+        void print() const;
+
+        double time_used = 0.0;
+        uint64_t numCalled = 0;
+        uint64_t time_out = 0;
+        uint64_t remBins = 0;
+        uint64_t numWatchesLooked = 0;
+    };
+    Stats get_stats() const;
+    double mem_used() const;
+
+private:
+    Solver* solver;
+    int64_t timeAvailable;
+
+    Lit lastLit2;
+    Watched* lastBin;
+    bool lastRed;
+    vector<Lit> tmplits;
+    Stats runStats;
+    Stats globalStats;
+
+    void clear()
+    {
+        lastLit2 = lit_Undef;
+        lastBin = NULL;
+        lastRed = false;
+    }
+
+    //ImplSubsumeData impl_subs_dat;
+    void try_subsume_bin(
+       const Lit lit
+        , Watched* i
+        , Watched*& j
+        , int64_t* timeAvail
+        , TouchList* touched = NULL
+    );
+};
+
+} //end namespace
+
+#endif //SUBSUMEIMPLICIT_H