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33010
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     1  | 
#2 := false
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     2  | 
#7 := 4::int
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     3  | 
#5 := 1::int
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     4  | 
#4 := 3::int
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     5  | 
#6 := (+ 3::int 1::int)
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     6  | 
#8 := (= #6 4::int)
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     7  | 
#9 := (not #8)
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     8  | 
#39 := (iff #9 false)
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     9  | 
#1 := true
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    10  | 
#34 := (not true)
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    11  | 
#37 := (iff #34 false)
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    12  | 
#38 := [rewrite]: #37
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    13  | 
#35 := (iff #9 #34)
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    14  | 
#32 := (iff #8 true)
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    15  | 
#27 := (= 4::int 4::int)
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    16  | 
#30 := (iff #27 true)
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    17  | 
#31 := [rewrite]: #30
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    18  | 
#28 := (iff #8 #27)
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    19  | 
#26 := [rewrite]: #8
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    20  | 
#29 := [monotonicity #26]: #28
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    21  | 
#33 := [trans #29 #31]: #32
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    22  | 
#36 := [monotonicity #33]: #35
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    23  | 
#40 := [trans #36 #38]: #39
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    24  | 
#25 := [asserted]: #9
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    25  | 
[mp #25 #40]: false
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    26  | 
unsat
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