An ester A  $\left(C_4{H}_8{O}_2\right)$ on treatment with excess $C{H}_{3}MgBr$ followed by treatment with  $H^{+}$ gives an alcohol B as the only product. How many of the following Statement is/are true? 
Statement 1. A on basic hydrolysis gives formate ion as one of the products
Statement 2. Alcohol B does not give positive iodoform test
Statement 3. A on acidic hydrolysis gives acetic acid as one of the product
Statement 4. Alcohol B gives precipitate with Luca’s reagent immediately