Guardiola had said on Tuesday night that an announcement on his future will be made next week.
"Tonight I have no answer,” he said after Bayern’s DFP Pokal victory over Darmstadt. “Next week you will know the answer. Next week there will be clarity.”
Spanish newspaper Marca reports Guardiola has formally told Bayern he has no intention of signing a new contract with his current three-year deal to expire at the end of the season.
According to the Madrid-based paper:
The Catalan has informed the suits at the Allianz Arena that he has made his mind up to seek out pastures new. He feels that things have reached breaking point because of a fundamental disconnect between his footballing philosophy and the club's ethos, not to mention certain man-management issues he has had with the squad. As far as Guardiola is concerned, there is no turning back. The way he sees it, his time in charge of the Bundesliga champions has run its course and prolonging his stay beyond the end of this season could do both the club and himself more harm than good.
Guardiola also walked away from Barcelona after winning 14 trophies in four season before taking a sabbatical, but the Catalan is thought to have been lined up as Manchester City manager for next season.
City have been consistently linked with Guardiola – not least because chief executive Ferran Soriano and director of football Txiki Begiristain worked with him at Barca – and are said to be increasingly confident of landing the most in-demand coach in football.
According to a report in the Daily Mail, which also states Guardiola has told Bayern he will leave, the German club are lining up former Chelsea and Real Madrid manager Carlo Ancelotti has his replacement.
Sportsmail understands Guardiola, whose contract expires at the end of the season, has taken the decision to leave Bayern. And Ancelotti is in advanced talks to replace the Spaniard at the Bundesliga giants.