ASAN memory leak at Theory.cc:123

[rainoftime]

Hi, for the following formula

(set-logic QF_LIA)
(check-sat)
(assert false)
(check-sat)
(check-sat)

ASAN detects a memory leak in opensmt (commit e9e14b4)

==11477==ERROR: LeakSanitizer: detected memory leaks                                                                                   [83/101]

Direct leak of 504 byte(s) in 1 object(s) allocated from:
    #0 0x7f94acb6d658 in operator new[](unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0658)
    #1 0x586b29 in Map<PTRef, lbool, PTRefHash, Equal<PTRef> >::rehash() /home/rainoftime/Work/tofuzz/opensmt/src/minisat/mtl/Map.h:87
    #2 0x57f36a in Map<PTRef, lbool, PTRefHash, Equal<PTRef> >::insert(PTRef const&, lbool const&) /home/rainoftime/Work/tofuzz/opensmt/src/min
isat/mtl/Map.h:138
    #3 0x5bfa80 in Theory::computeSubstitutions(PTRef, vec<PFRef> const&, int) /home/rainoftime/Work/tofuzz/opensmt/src/logics/Theory.cc:123
    #4 0x66f69f in LIATheory::simplify(vec<PFRef> const&, int) /home/rainoftime/Work/tofuzz/opensmt/src/logics/LIATheory.cc:21
    #5 0x4baf0f in MainSolver::simplifyFormulas(char**) /home/rainoftime/Work/tofuzz/opensmt/src/api/MainSolver.cc:115
    #6 0x4b27ee in MainSolver::simplifyFormulas() /home/rainoftime/Work/tofuzz/opensmt/src/api/MainSolver.h:178
    #7 0x4be392 in MainSolver::check() /home/rainoftime/Work/tofuzz/opensmt/src/api/MainSolver.cc:366
    #8 0x4a842f in Interpret::checkSat() /home/rainoftime/Work/tofuzz/opensmt/src/api/Interpret.cc:697
    #9 0x4a4e9d in Interpret::interp(ASTNode&) /home/rainoftime/Work/tofuzz/opensmt/src/api/Interpret.cc:415
    #10 0x4ad480 in Interpret::execute(ASTNode const*) /home/rainoftime/Work/tofuzz/opensmt/src/api/Interpret.cc:1044
    #11 0x4ad680 in Interpret::interpFile(_IO_FILE*) /home/rainoftime/Work/tofuzz/opensmt/src/api/Interpret.cc:1057
    #12 0x49cf4a in main /home/rainoftime/Work/tofuzz/opensmt/src/bin/opensmt.cc:129
    #13 0x7f94ab4f682f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)

[blishko]

Same problem as in #70