YES activeffXmarkcfgfXactivecXmarkdXactivehXmarkcdXactivefXfactiveXactivehXhactiveXfmarkXmarkfXhmarkXmarkhXproperfXfproperXpropercXcproperXpropergXgproperXproperdXdproperXproperhXhproperXfokXokfXcokXokcXgokXokgXdokXokdXhokXokhXtopmarkXtopproperXtopokXtopactiveX2.1ffactiveXfgfcmarkXcactiveXdmarkXhactiveXdcmarkXfactiveXactivefXhactiveXactivehXmarkfXfmarkXmarkhXhmarkXfproperXproperfXcproperXpropercXgproperXpropergXdproperXproperdXhproperXproperhXokfXfokXokcXcokXokgXgokXokdXdokXokhXhokXmarktopXpropertopXoktopXactivetopX1f111active1112g111c111mark1111d111h111proper111ok1113top111factiveXactivefXhactiveXactivehXmarkfXfmarkXmarkhXhmarkXfproperXproperfXcproperXpropercXgproperXpropergXdproperXproperdXhproperXproperhXokfXfokXokcXcokXokgXgokXokdXdokXokhXhokXfactiveXfXhactiveXhXmarkfXfmarkXmarkfXmarkXmarkhXhmarkXmarkhXmarkXfproperXfXcproperXcXgproperXgXdproperXdXhproperXhXokfXfokXokfXokXokcXcokXokcXokXokgXgokXokgXokXokdXdokXokdXokXokhXhokXokhXokXtruemarkhXmarkXmarkfXmarkXtrue1h111f111mark111markhXmarkXmarkfXmarkXmarkhXmarkX1true1markfXmarkX1true1okcXokXokfXokXokgXokXokdXokXokhXokXtrue1c111f111g111d111h111ok111okcXokXokfXokXokgXokXokdXokXokhXokXokcXokX1true1okfXokX1true1okgXokX1true1okdXokX1true1okhXokX1true1markfXfmarkXfalseokfXfokXfalsemarkhXhmarkXfalseokhXhokXfalseokcXcokXfalseokgXgokXfalseokdXdokXfalsefproperXfXfactiveXfXtrue1proper111active111f111fproperXfXfactiveXfXfproperXfX1true1factiveXfX1true1hproperXhXhactiveXhXtrue1proper111active111h111hproperXhXhactiveXhXhproperXhX1true1hactiveXhX1true1cproperXcXtrue1proper111c111cproperXcXcproperXcX1true1gproperXgXtrue1proper111g111gproperXgXgproperXgX1true1dproperXdXtrue1proper111d111dproperXdXdproperXdX1true1AProVEAProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Statistics for single proof: 100.00 % (18 real / 0 unknown / 0 assumptions / 18 total proof steps)http://aprove.informatik.rwth-aachen.deJohnDoe