NamedConsequence multiple if after eval with exec-model

rule R1 when
    $a: Cheese ( )
    eval( $a.getType().equals("stilton") )
    if ( $a.getPrice() > 10 ) do[t1]
    if ( $a.getPrice() < 10 ) do[t2]
    $b: Cheese ( type == "cheddar" )
then
    results.add( $b.getType() );
then[t1]
    results.add( $a.getType().toUpperCase() );
then[t2]
    results.add( $a.getType() );
end

17:36:30.958 [main] ERROR o.d.testcoverage.common.util.KieUtil.getKieBuilderFromKieFileSystem:157 - KieBuilder errors: [Message [id=1, kieBase=KieBaseModelName, level=ERROR, path=rules1.drl, line=-1, column=0
   text=Related pattern cannot be found for if ( $a.getPrice() > 10 ) do[t1]], Message [id=2, kieBase=KieBaseModelName, level=ERROR, path=rules1.drl, line=-1, column=0
   text=Related pattern cannot be found for if ( $a.getPrice() < 10 ) do[t2]]]