diff --git a/.gitignore b/.gitignore
index 582002c7b..6c2cd7917 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,9 +19,10 @@ TAGS
 /Bender.lock
 /Bender.local
 golden_reference_design
+ref_design
 golden.src
 revised.src
 cadence_conformal
 synopsys_formality
 questa_autocheck
-slec/reports
+reports
diff --git a/scripts/slec/cadence/lec.tcl b/scripts/slec/cadence/lec.tcl
index 7acbfd3a5..e62046b73 100644
--- a/scripts/slec/cadence/lec.tcl
+++ b/scripts/slec/cadence/lec.tcl
@@ -20,11 +20,12 @@ set version     $::env(version)
 set pulp_cfg    $::env(pulp_cfg)
 set fpu_cfg     $::env(fpu_cfg)
 set zfinx_cfg   $::env(zfinx_cfg)
+set latency_cfg $::env(latency_cfg)
 
 if {"$version" == "v1"} {
   set golden_parameter_list "-parameter PULP_XPULP 0 -parameter FPU 0 -parameter PULP_ZFINX 0"
 } else {
-  set golden_parameter_list "-parameter COREV_PULP $pulp_cfg -parameter FPU $fpu_cfg -parameter ZFINX $zfinx_cfg"
+  set golden_parameter_list "-parameter COREV_PULP $pulp_cfg -parameter FPU $fpu_cfg -parameter ZFINX $zfinx_cfg -parameter FPU_ADDMUL_LAT $latency_cfg -parameter FPU_OTHERS_LAT $latency_cfg"
 }
 
 read_design -SV09 -replace -noelaborate -golden -File ./golden.src
@@ -33,7 +34,7 @@ elaborate_design -golden -root $top_module $golden_parameter_list
 
 read_design -SV09 -replace -noelaborate -revised -File ./revised.src
 
-elaborate_design -revised -root $top_module -parameter COREV_PULP $pulp_cfg -parameter FPU $fpu_cfg -parameter ZFINX $zfinx_cfg
+elaborate_design -revised -root $top_module -parameter COREV_PULP $pulp_cfg -parameter FPU $fpu_cfg -parameter ZFINX $zfinx_cfg -parameter FPU_ADDMUL_LAT $latency_cfg -parameter FPU_OTHERS_LAT $latency_cfg
 
 report_design_data
 
@@ -42,6 +43,7 @@ if {"$top_module" == "cv32e40p_core"} {
   add_ignored_outputs apu_operands_o* -Both
   add_ignored_outputs apu_op_o* -Both
   add_ignored_outputs apu_flags_o* -Both
+  add_ignored_outputs apu_busy_o -Revised
 }
 
 write_hier_compare_dofile hier_compare_r2r.do -constraint -replace
diff --git a/scripts/slec/run.sh b/scripts/slec/run.sh
index f1579cbb2..01bb1b126 100755
--- a/scripts/slec/run.sh
+++ b/scripts/slec/run.sh
@@ -17,9 +17,10 @@
 # limitations under the License.
 
 usage() {                                 # Function: Print a help message.
-  echo "Usage: $0 -t {cadence,synopsys,siemens} -p {sec,lec} [-v {v1,v2}] [-x {0,1}] [-f {0,1}] [-z {0,1}]]" 1>&2
+  echo "Usage: $0 -t {cadence,synopsys,siemens} -p {sec,lec} [-v {v1,v2}] [-x {0,1}] [-f {0,1}] [-z {0,1}] [-l {0,1,2}]]" 1>&2
   echo "For v2 : if f or z is 1 then p must be 1" 1>&2
   echo "         if z is 1 then f must be 1" 1>&2
+  echo "         l only 1 or 2 if f is 1" 1>&2
 }
 
 exit_abnormal() {                         # Function: Exit with error.
@@ -40,8 +41,9 @@ VERSION=v1
 PULP_CFG=0
 FPU_CFG=0
 ZFINX_CFG=0
+LATENCY_CFG=0
 
-while getopts "t:p:v:x:f:z:" flag
+while getopts "t:p:v:x:f:z:l:" flag
 do
     case "${flag}" in
         t)
@@ -62,6 +64,9 @@ do
         z)
         ZFINX_CFG=${OPTARG}
         ;;
+        l)
+        LATENCY_CFG=${OPTARG}
+        ;;
         :)
         exit_abnormal
         ;;
@@ -104,6 +109,10 @@ if [[ (("${PULP_CFG}" == 0 && ("${FPU_CFG}" == 1 || "${ZFINX_CFG}" == 1)) || ("$
     exit_abnormal
 fi
 
+if [[ ("${FPU_CFG}" == 0 && ("${LATENCY_CFG}" == 1 || "${LATENCY_CFG}" == 2)) ]]; then
+    exit_abnormal
+fi
+
 if [[ "${VERSION}" == "v1" ]]; then
     REF_BRANCH=cv32e40p_v1.0.0
     TOP_MODULE=cv32e40p_core
@@ -117,6 +126,7 @@ export version=${VERSION}
 export pulp_cfg=${PULP_CFG}
 export fpu_cfg=${FPU_CFG}
 export zfinx_cfg=${ZFINX_CFG}
+export latency_cfg=${LATENCY_CFG}
 
 if [ -z "${REF_REPO}" ]; then
     print_log "Empty REF_REPO env variable"
diff --git a/scripts/slec/synopsys/lec.tcl b/scripts/slec/synopsys/lec.tcl
index e4365fc20..7d17722c0 100644
--- a/scripts/slec/synopsys/lec.tcl
+++ b/scripts/slec/synopsys/lec.tcl
@@ -21,14 +21,15 @@ set version     $::env(version)
 set pulp_cfg    $::env(pulp_cfg)
 set fpu_cfg     $::env(fpu_cfg)
 set zfinx_cfg   $::env(zfinx_cfg)
+set latency_cfg $::env(latency_cfg)
 
-set core_impl_name cv32e40p_core_COREV_PULP${pulp_cfg}_FPU${fpu_cfg}_ZFINX${zfinx_cfg}
+set core_impl_name cv32e40p_core_COREV_PULP${pulp_cfg}_FPU${fpu_cfg}_FPU_ADDMUL_LAT${latency_cfg}_FPU_OTHERS_LAT${latency_cfg}_ZFINX${zfinx_cfg}
 
 if {"$version" == "v1"} {
   set golden_parameter_list "PULP_XPULP = 0, FPU = 0, PULP_ZFINX = 0"
   set core_ref_name cv32e40p_core_PULP_XPULP0_FPU0_PULP_ZFINX0
 } else {
-  set golden_parameter_list "COREV_PULP = $pulp_cfg, FPU = $fpu_cfg, ZFINX = $zfinx_cfg"
+  set golden_parameter_list "COREV_PULP = $pulp_cfg, FPU = $fpu_cfg, ZFINX = $zfinx_cfg, FPU_ADDMUL_LAT = $latency_cfg, FPU_OTHERS_LAT = $latency_cfg"
   set core_ref_name $core_impl_name
 }
 
@@ -36,7 +37,7 @@ read_sverilog -container r -libname WORK -12 -f golden.src
 set_top r:/WORK/$top_module -parameter $golden_parameter_list
 
 read_sverilog -container i -libname WORK -12 -f revised.src
-set_top i:/WORK/$top_module -parameter "COREV_PULP = $pulp_cfg, FPU = $fpu_cfg, ZFINX = $zfinx_cfg"
+set_top i:/WORK/$top_module -parameter "COREV_PULP = $pulp_cfg, FPU = $fpu_cfg, ZFINX = $zfinx_cfg, FPU_ADDMUL_LAT = $latency_cfg, FPU_OTHERS_LAT = $latency_cfg"
 
 match > $summary_log.match.rpt
 
@@ -49,6 +50,7 @@ if {"$top_module" == "cv32e40p_core"} {
     set_dont_verify_point -type port i:/WORK/$core_impl_name/apu_operands_o*
     set_dont_verify_point -type port i:/WORK/$core_impl_name/apu_op_o*
     set_dont_verify_point -type port i:/WORK/$core_impl_name/apu_flags_o*
+    set_dont_verify_point -type port i:/WORK/$core_impl_name/apu_busy_o
 }
 
 verify > $summary_log