diff --git a/Utest/test_1/master_ini.xml b/Utest/test_1/master_ini.xml
index c7e7f681ea2ae2460ae86a3819f670020591491e..e234ec45bde3a52ac7740787a7c8660072bb340b 100644
--- a/Utest/test_1/master_ini.xml
+++ b/Utest/test_1/master_ini.xml
@@ -82,12 +82,12 @@
         <force_wall nu="10" b="0.70" c="3.0"/>
       </model_parameters>
       <agent_parameters agent_parameter_id="0">
-        <v0 mu="1" sigma="0.0" />
+        <v0 mu="1.0" sigma="0.0" />
         <bmax mu="0.25" sigma="0.001" />
-        <bmin mu="0.20" sigma="0.001" />
+        <bmin mu="0.40" sigma="0.001" />
         <amin mu="0.18" sigma="0.001" />
         <tau mu="0.01" sigma="0.001" />
-        <atau mu="0.5" sigma="0.001" />
+        <atau mu="0.2" sigma="0.001" />
       </agent_parameters>
     </model>
   </operational_models>
diff --git a/Utest/test_1/runtest_1.py b/Utest/test_1/runtest_1.py
index 0446f113784744052610eb417d50c10524fe86b2..c7c7018455f1d6fd52834630c76f0ec6f139050d 100755
--- a/Utest/test_1/runtest_1.py
+++ b/Utest/test_1/runtest_1.py
@@ -1,14 +1,15 @@
 #! /usr/bin/env python
 import numpy as np
-from xml.dom import minidom
-import os, argparse, logging, time
+import os, argparse, logging, time, sys
 from os import path, system
 from sys import argv ,exit
 import subprocess, glob
 import multiprocessing
 import matplotlib.pyplot as plt
 import re
-
+lib_path = os.path.abspath('..')
+sys.path.append(lib_path)
+from utils import *
 #=========================
 testnr = 1
 #========================
@@ -29,54 +30,6 @@ DIR= os.path.dirname(os.path.realpath(argv[0]))
 CWD = os.getcwd()
 #--------------------------------------------------------
     
-def get_maxtime(filename):
-    """
-    get max sim time
-    """
-    logging.info("parsing <%s>"%filename)
-    try:
-        xmldoc = minidom.parse(filename)
-    except:
-        logging.critical('could not parse file. exit')
-        exit(FAILURE)        
-    maxtime  = float(xmldoc.getElementsByTagName('max_sim_time')[0].firstChild.nodeValue)
-    return maxtime
-
-def parse_file(filename):
-    """
-    parse trajectories in Travisto-format and output results
-    in the following  format: id    frame    x    y
-    (no sorting of the data is performed)
-    returns
-    N: number of pedestrians
-    data: trajectories
-    """
-    logging.info("parsing <%s>"%filename)
-    try:
-        xmldoc = minidom.parse(filename)
-    except:
-        logging.critical('could not parse file. exit')
-        exit(FAILURE)
-    N = int(xmldoc.getElementsByTagName('agents')[0].childNodes[0].data)
-    fps= xmldoc.getElementsByTagName('frameRate')[0].childNodes[0].data #type unicode
-    fps = float(fps)
-    fps = int(fps)
-    print "fps=", fps
-    #fps = int(xmldoc.getElementsByTagName('frameRate')[0].childNodes[0].data)
-    logging.info ("Npeds = %d, fps = %d"%(N, fps))
-    frames = xmldoc.childNodes[0].getElementsByTagName('frame')
-    data = []
-    for frame in frames:
-        frame_number = int(frame.attributes["ID"].value)
-        for agent in frame.getElementsByTagName("agent"):
-            agent_id = int(agent.attributes["ID"].value)
-            x = float(agent.attributes["xPos"].value)
-            y = float(agent.attributes["yPos"].value)
-            data += [agent_id, frame_number, x, y]
-    data = np.array(data).reshape((-1,4))
-    return fps, N, data
-    
-
 
 if __name__ == "__main__":
     if CWD != DIR:
diff --git a/Utest/test_2/master_ini.xml b/Utest/test_2/master_ini.xml
index 9e56f805e617f7d34d2adba976542acb7146664e..6096a8b40bc148ee6fbf6c8464e7fa72c289a9d7 100644
--- a/Utest/test_2/master_ini.xml
+++ b/Utest/test_2/master_ini.xml
@@ -86,10 +86,10 @@
       <agent_parameters agent_parameter_id="0">
         <v0 mu="1" sigma="0.0" />
         <bmax mu="0.25" sigma="0.001" />
-        <bmin mu="0.20" sigma="0.001" />
+        <bmin mu="0.40" sigma="0.001" />
         <amin mu="0.18" sigma="0.001" />
         <tau mu="0.01" sigma="0.001" />
-        <atau mu="0.5" sigma="0.001" />
+        <atau mu="0.2" sigma="0.001" />
       </agent_parameters>
     </model>
   </operational_models>
diff --git a/Utest/test_2/runtest_2.py b/Utest/test_2/runtest_2.py
index e6daef188d26f71b314b5c87059e505cfc73638f..6eaca88c95e72c6f3186fd7a31d3e4479f0255d2 100755
--- a/Utest/test_2/runtest_2.py
+++ b/Utest/test_2/runtest_2.py
@@ -7,8 +7,10 @@ from sys import argv ,exit
 import subprocess, glob
 import multiprocessing
 import matplotlib.pyplot as plt
-import re
-
+import re, sys
+lib_path = os.path.abspath('..')
+sys.path.append(lib_path)
+from utils import *
 #=========================
 testnr = 2
 #========================
@@ -28,55 +30,6 @@ CWD = os.getcwd()
 DIR= os.path.dirname(os.path.realpath(argv[0])) 
 #--------------------------------------------------------
     
-def get_maxtime(filename):
-    """
-    get max sim time
-    """
-    logging.info("parsing <%s>"%filename)
-    try:
-        xmldoc = minidom.parse(filename)
-    except:
-        logging.critical('could not parse file. exit')
-        exit(FAILURE)        
-    maxtime  = float(xmldoc.getElementsByTagName('max_sim_time')[0].firstChild.nodeValue)
-    return maxtime
-
-def parse_file(filename):
-    """
-    parse trajectories in Travisto-format and output results
-    in the following  format: id    frame    x    y
-    (no sorting of the data is performed)
-    returns
-    N: number of pedestrians
-    data: trajectories
-    """
-    logging.info("parsing <%s>"%filename)
-    try:
-        xmldoc = minidom.parse(filename)
-    except:
-        logging.critical('could not parse file. exit')
-        exit(FAILURE)
-    N = int(xmldoc.getElementsByTagName('agents')[0].childNodes[0].data)
-    fps= xmldoc.getElementsByTagName('frameRate')[0].childNodes[0].data #type unicode
-    fps = float(fps)
-    fps = int(fps)
-    print "fps=", fps
-    #fps = int(xmldoc.getElementsByTagName('frameRate')[0].childNodes[0].data)
-    logging.info ("Npeds = %d, fps = %d"%(N, fps))
-    frames = xmldoc.childNodes[0].getElementsByTagName('frame')
-    data = []
-    for frame in frames:
-        frame_number = int(frame.attributes["ID"].value)
-        for agent in frame.getElementsByTagName("agent"):
-            agent_id = int(agent.attributes["ID"].value)
-            x = float(agent.attributes["xPos"].value)
-            y = float(agent.attributes["yPos"].value)
-            data += [agent_id, frame_number, x, y]
-    data = np.array(data).reshape((-1,4))
-    return fps, N, data
-    
-
-
 if __name__ == "__main__":
     if CWD != DIR:
         logging.info("working dir is %s. Change to %s"%(os.getcwd(), DIR))
diff --git a/Utest/utils.py b/Utest/utils.py
new file mode 100644
index 0000000000000000000000000000000000000000..88ae62a8d4fb77e9750721203d772803193f8139
--- /dev/null
+++ b/Utest/utils.py
@@ -0,0 +1,54 @@
+from xml.dom import minidom
+import logging
+import numpy as np
+
+SUCCESS = 0
+FAILURE = 1
+
+def get_maxtime(filename):
+    """
+    get max sim time
+    """
+    logging.info("parsing <%s>"%filename)
+    try:
+        xmldoc = minidom.parse(filename)
+    except:
+        logging.critical('could not parse file. exit')
+        exit(FAILURE)        
+    maxtime  = float(xmldoc.getElementsByTagName('max_sim_time')[0].firstChild.nodeValue)
+    return maxtime
+
+
+def parse_file(filename):
+    """
+    parse trajectories in Travisto-format and output results
+    in the following  format: id    frame    x    y
+    (no sorting of the data is performed)
+    returns
+    N: number of pedestrians
+    data: trajectories
+    """
+    logging.info("parsing <%s>"%filename)
+    try:
+        xmldoc = minidom.parse(filename)
+    except:
+        logging.critical('could not parse file. exit')
+        exit(FAILURE)
+    N = int(xmldoc.getElementsByTagName('agents')[0].childNodes[0].data)
+    fps= xmldoc.getElementsByTagName('frameRate')[0].childNodes[0].data #type unicode
+    fps = float(fps)
+    fps = int(fps)
+    print "fps=", fps
+    #fps = int(xmldoc.getElementsByTagName('frameRate')[0].childNodes[0].data)
+    logging.info ("Npeds = %d, fps = %d"%(N, fps))
+    frames = xmldoc.childNodes[0].getElementsByTagName('frame')
+    data = []
+    for frame in frames:
+        frame_number = int(frame.attributes["ID"].value)
+        for agent in frame.getElementsByTagName("agent"):
+            agent_id = int(agent.attributes["ID"].value)
+            x = float(agent.attributes["x"].value)
+            y = float(agent.attributes["y"].value)
+            data += [agent_id, frame_number, x, y]
+    data = np.array(data).reshape((-1,4))
+    return fps, N, data
diff --git a/general/ArgumentParser.cpp b/general/ArgumentParser.cpp
index aff7bc63f5fd48fb7aef06629b5f7fa8c91a7b9f..f831c091c0aba18c4a26c2b76068ef6669b796f9 100644
--- a/general/ArgumentParser.cpp
+++ b/general/ArgumentParser.cpp
@@ -1099,12 +1099,14 @@ void ArgumentParser::ParseAgentParameters(TiXmlElement* operativModel)
             agentParameters->InitAtau(mu,sigma);
             Log->Write("INFO: \ttAtau mu=%f , sigma=%f",mu,sigma);
         }
-        double beta_c = 2; /// @todo quick and dirty
-        double max_Ea = agentParameters->GetAmin() + agentParameters->GetAtau()*agentParameters->GetV0();
-        double max_Eb = 0.5*(agentParameters->GetBmin() + 0.49) ; /// @todo hard-coded value should be the same as in pedestrians GetEB
-        double max_Ea_Eb = (max_Ea>max_Eb)?max_Ea:max_Eb;
-        pDistEffMaxPed = 2 * beta_c * max_Ea_Eb;
-        pDistEffMaxWall  = pDistEffMaxPed;
+        if(pModel == 2) { //  Gompertz
+             double beta_c = 2; /// @todo quick and dirty
+             double max_Ea = agentParameters->GetAmin() + agentParameters->GetAtau()*agentParameters->GetV0();
+             double max_Eb = 0.5*(agentParameters->GetBmin() + 0.49) ; /// @todo hard-coded value should be the same as in pedestrians GetEB
+             double max_Ea_Eb = (max_Ea>max_Eb)?max_Ea:max_Eb;
+             pDistEffMaxPed = 2 * beta_c * max_Ea_Eb;
+             pDistEffMaxWall  = pDistEffMaxPed;
+        }
     }
 }