Encounter Library Characterizer (ELC Problem)

Problem during step2 

My dut.scs file

// Library name: UofU_Digital_Parts
// Cell name: INVX1
// View name: analog_extracted
subckt INVX1 A Y vdd gnd
    \+1 (Y A vdd vdd) ami06P w=6e-06 l=6e-07 as=9e-12 ad=9e-12 ps=9e-06 \
        pd=9e-06 m=1 region=sat
    \+0 (Y A gnd gnd) ami06N w=3e-06 l=6e-07 as=4.5e-12 ad=4.5e-12 ps=6e-06 \
        pd=6e-06 m=1 region=sat
ends INVX1
// End of subcircuit definition.

-------------------------------------------------------------------

My  elccfg file

EC_SIM_USE_LSF=1;
EC_SIM_LSF_CMD=" ";
EC_SIM_LSF_PARALLEL=0; //Tried for 2, 3, 5, 7, 10 20 and 50
EC_SPICE_SIMPLIFY=true
EC_HALF_WIDTH_HOLD_FLAG=true
EC_SIM_NAME="spectre";
EC_SIM_TYPE="spectre";
EC_SPICE_SUPPLY1_NAMES="vdd";
EC_SPICE_SUPPLY0_NAMES="gnd";
SETUP = "setup.ss";
PROCESS = "typical";
MODEL = "ami_c5n_typ.scs";
SUBCKT = "dut.scs";

---------------------------------------------------------------

My Step1 Script

db_open foo
db_prepare -force
db_gate
db_close
exit

------------------------------------------------------------------

My Step2 Script

db_open foo
db_spice -s spectre -keep_log
db_close
exit

-------------------------------------------------------------------

elc.log after Step1

[root@Arvind workdell]# source env.sh
[root@Arvind workdell]# elc -S step1
--------------------------------------------------------------------------------------------------
Encounter - Library Characterizer - Version v10.10-p001_1 - linux_x86 32-bit (12/01/2010 02:45:03)
--------------------------------------------------------------------------------------------------
[2000-2010]Cadence Design Systems, Inc. All rights reserved.
This work may not be copied, modified, re-published, uploaded, executed, or
distributed in any way, in any medium, whether in whole or in part, without
prior written permission from Cadence Design Systems, Inc.
set_var MANPATH = /Cadence/ETS/share/elc/man
elc>  db_open foo

Database : foo is now opened
elc>  db_prepare -force


==== Simplify Mode ====

MODEL FILE: ami_c5n_typ.scs ( #size = 2808 )

Reading MODEL: AMI06N
Reading MODEL: AMI06P

SUBCKT FILE: ami_c5n_typ.scs ( #size = 2808 )


SUBCKT FILE: dut.scs ( #size = 375 )

Reading SUBCKT:INVX1
Expanding SUBCKT:INVX1
Writing : foo.ipdb/AMI06N.device
Writing : foo.ipdb/AMI06N.device/boundary/port
Writing : foo.ipdb/AMI06P.device
Writing : foo.ipdb/AMI06P.device/boundary/port
Writing : foo.ipdb/INVX1.design
Writing : foo.ipdb/INVX1.design/body/path
Writing : foo.ipdb/INVX1.design/body/instance
Writing : foo.ipdb/INVX1.design/body/net
Writing : foo.ipdb/INVX1.design/boundary/port
Reading : foo.ipdb/INVX1.design

==============================
      DESIGN : INVX1
==============================
------------------------------
        A  :  Y 
------------------------------
D0000:  R  :  F  : DELAY(A)
D0001:  F  :  R  : DELAY(A)
------------------------------
=> 2 vectors generated
Writing : foo.ipdb/INVX1.design/simulate/spec
Writing : foo.ipdb/INVX1.design/simulate/subckt
Writing : foo.ipdb/INVX1.design/boundary/port
Writing : foo.ipdb/INVX1.design/body/type

================================
  stimulus generation  summary 
================================
Name        #MOS    #DVEC    #RVEC
----------------------------------------
INVX1        2    2    0   
----------------------------------------
            2    0
 Reading setup file : setup.ss
 -        INVX1 (CELL) -      typical - 2013-05-01 13:34:58 (2013-05-01 08:04:58 GMT)

elc>  #db_gsim -force

elc>  db_gate


==============================
      DESIGN : INVX1
==============================
DESIGN ( INVX1 );
//    =================
//     PORT DEFINITION
//    =================
    INPUT A ( A );
    OUTPUT Y ( Y );
    SUPPLY0 GND ( GND );
    SUPPLY1 VDD ( VDD );
//    ===========
//     INSTANCES
//    ===========
    NOT ( Y, A );
END_OF_DESIGN;


elc>  db_close

Database : foo is closed
elc>  exit


Memory : 3.02M
Time   : 0.12 (user), 0.01 (sys), 0.13 (cpu), 0.63 (real)
[root@Arvind workdell]#
-------------------------------------------------------------------------------------------------------------

elc.log after Step2

[root@Arvind workdell]# elc -S step2
--------------------------------------------------------------------------------------------------
Encounter - Library Characterizer - Version v10.10-p001_1 - linux_x86 32-bit (12/01/2010 02:45:03)
--------------------------------------------------------------------------------------------------
[2000-2010]Cadence Design Systems, Inc. All rights reserved.
This work may not be copied, modified, re-published, uploaded, executed, or
distributed in any way, in any medium, whether in whole or in part, without
prior written permission from Cadence Design Systems, Inc.
set_var MANPATH = /Cadence/ETS/share/elc/man
elc>  db_open foo

Database : foo is now opened
elc>  db_spice -s spectre -keep_log


   DESIGN        PROCESS       #ID         STATUS     IPDB
-------------+-------------+----------+--------------+-----------
INVX1          typical       D0000         SIMULATE    foo        
INVX1          typical       D0001         SIMULATE    foo        
============|=============|=============|==========|==============
INVX1          typical       2          2            foo        
--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*
 2013-05-01 13:36:14 (2013-05-01 08:06:14 GMT) : Vectors Launched 2/2
super-user execution is restricted. If you want to disable this feature, invoke ipsc with '-r' option.
super-user execution is restricted. If you want to disable this feature, invoke ipsc with '-r' option.
-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
               Simulation Summary               
-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
-------------+-------------+----------+--------------+-----------
-------------+-------------+----------+------------+-----------+------------
   DESIGN    |   PROCESS   |   #ID    |   STAGE    |  STATUS   |    IPDB
-------------+-------------+----------+------------+-----------+------------
INVX1          typical       D0000     UNEXPECTED   (-5)FAIL        foo        
INVX1          typical       D0001     UNEXPECTED   (-5)FAIL        foo        
-------------+-------------+----------+------------+----------

[INFO(db_spice)] Check the encounterlc.log/<ipdb_name>/<DESIGN>_<PROCESS>_<ID>.log file to determine the cause of the failure. The SPICE simulation log file can be found in the /Cadence/workdell/encounterlc.work/<DESIGN>_<PROCESS>_<ID>/ directory.

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
 - Total Simulation : 2
 - Total Passed     : 0(0.00%)
 - Total Failed     : 2(100.00%)
-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
elc>  db_close

Database : foo is closed
elc>  exit


Memory : 3.02M
Time   : 5.05 (user), 0.11 (sys), 5.16 (cpu), 5.19 (real)
[root@Arvind workdell]#
---------------------------------------------------------------------------------------------------------------------------

Problem is encounterlc.log file is not created, so not able to find out problem.

Do not understand meaning of super-user execution is restricted. If you want to disable this feature, invoke ipsc with '-r' option.

Please let me know solution if anyone faced same problem

Thanks,