small fix on session

examples/my_cosine/why3session.xml

@@ -3,14 +3,14 @@
 "http://why3.lri.fr/why3session.dtd">
 <why3session shape_version="4">
 <prover id="0" name="Gappa" version="1.2.0" timelimit="2" memlimit="0"/>
-<prover id="1" name="Coq" version="8.4pl6" timelimit="8" memlimit="1000"/>
+<prover id="1" name="Coq" version="8.4pl6" timelimit="5" memlimit="1000"/>
 <prover id="2" name="MetiTarski" version="2.4" timelimit="5" memlimit="1000"/>
 <file name="../my_cosine.mlw" expanded="true">
 <theory name="M" sum="824a378ddc65f51c5ce6a6ff77de21e0" expanded="true">
  <goal name="WP_parameter my_cosine" expl="VC for my_cosine" expanded="true">
  <transf name="split_goal_wp" expanded="true">
   <goal name="WP_parameter my_cosine.1" expl="1. assertion" expanded="true">
-  <proof prover="1" edited="my_cosine_M_WP_parameter_my_cosine_1.v" obsolete="true"><undone/></proof>
+  <proof prover="1" edited="my_cosine_M_WP_parameter_my_cosine_1.v"><result status="valid" time="4.07"/></proof>
   <proof prover="2"><result status="valid" time="0.17"/></proof>
   </goal>
   <goal name="WP_parameter my_cosine.2" expl="2. precondition" expanded="true">