Laura Ildikó Kovács Tudor Jebelean An Algorithm for Automated Generation of Invariants for Loops with Conditionals. 245-249 2005 conf/synasc/2005 SYNASC http://doi.ieeecomputersociety.org/10.1109/SYNASC.2005.19 db/conf/synasc/synasc2005.html#KovacsJ05