--- /dev/null
+#! ./tesh
+
+p Test of the management of failed tasks simdag
+
+$ $SG_TEST_EXENV ./sd_fail
+> [0.000000] [surf_workstation/INFO] surf_workstation_model_init_ptask_L07
+> [0.000000] [sd_fail/INFO] First test: COMP_SEQ task
+> [0.000000] [sd_fail/INFO] Schedule task 'Poor task' on workstation 'Faulty Host'
+> [10.000000] [sd_task/INFO] Displaying task Poor task
+> [10.000000] [sd_task/INFO] - state: not runnable failed
+> [10.000000] [sd_task/INFO] - kind: sequential computation
+> [10.000000] [sd_task/INFO] - amount: 20000000000
+> [10.000000] [sd_task/INFO] - Dependencies to satisfy: 0
+> [10.000000] [sd_fail/INFO] Task 'Poor task' has failed. 20000000000 flops remain to be done
+> [10.000000] [sd_fail/INFO] let's unschedule task 'Poor task' and reschedule it on the 'Safe Host'
+> [10.000000] [sd_fail/INFO] Run the simulation again
+> [50.000000] [sd_task/INFO] Displaying task Poor task
+> [50.000000] [sd_task/INFO] - state: not runnable done
+> [50.000000] [sd_task/INFO] - kind: sequential computation
+> [50.000000] [sd_task/INFO] - amount: 20000000000
+> [50.000000] [sd_task/INFO] - Dependencies to satisfy: 0
+> [50.000000] [sd_fail/INFO] Task 'Poor task' start time: 10.000000, finish time: 50.000000
+> [50.000000] [sd_fail/INFO] Second test: NON TYPED task
+> [50.000000] [sd_fail/INFO] Schedule task 'Poor parallel task' on workstation 'Faulty Host'
+> [60.000000] [sd_task/INFO] Displaying task Poor parallel task
+> [60.000000] [sd_task/INFO] - state: not runnable failed
+> [60.000000] [sd_task/INFO] - amount: 20000000000
+> [60.000000] [sd_task/INFO] - Dependencies to satisfy: 0
+> [60.000000] [sd_fail/INFO] Task 'Poor parallel task' has failed. 20000000000 flops remain to be done
+> [60.000000] [sd_fail/INFO] let's unschedule task 'Poor parallel task' and reschedule it on the 'Safe Host'
+> [60.000000] [sd_fail/INFO] Run the simulation again
+> [100.000000] [sd_task/INFO] Displaying task Poor parallel task
+> [100.000000] [sd_task/INFO] - state: not runnable done
+> [100.000000] [sd_task/INFO] - amount: 20000000000
+> [100.000000] [sd_task/INFO] - Dependencies to satisfy: 0
+> [100.000000] [sd_fail/INFO] Task 'Poor parallel task' start time: 60.000000, finish time: 100.000000