diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 6965ffb73..bffcf3e3a 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -28,16 +28,8 @@
     <select />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="aa3ee678-6e91-470f-91a9-09e9d8a4756d" name="Changes" comment="5.0.0a32">
+    <list default="true" id="aa3ee678-6e91-470f-91a9-09e9d8a4756d" name="Changes" comment="5.0.0a33">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/README.md" beforeDir="false" afterPath="$PROJECT_DIR$/README.md" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/requirements.txt" beforeDir="false" afterPath="$PROJECT_DIR$/requirements.txt" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/GridCalEngine/Core/Compilers/circuit_to_newton_pa.py" beforeDir="false" afterPath="$PROJECT_DIR$/src/GridCalEngine/Core/Compilers/circuit_to_newton_pa.py" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/GridCalEngine/Core/Devices/editable_device.py" beforeDir="false" afterPath="$PROJECT_DIR$/src/GridCalEngine/Core/Devices/editable_device.py" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/GridCalEngine/Simulations/ContingencyAnalysis/contingency_analysis_ts_driver.py" beforeDir="false" afterPath="$PROJECT_DIR$/src/GridCalEngine/Simulations/ContingencyAnalysis/contingency_analysis_ts_driver.py" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/GridCalEngine/Simulations/NTC/ntc_ts_driver.py" beforeDir="false" afterPath="$PROJECT_DIR$/src/GridCalEngine/Simulations/NTC/ntc_ts_driver.py" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/GridCalEngine/Simulations/OPF/linear_opf_ts.py" beforeDir="false" afterPath="$PROJECT_DIR$/src/GridCalEngine/Simulations/OPF/linear_opf_ts.py" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/GridCalEngine/setup.py" beforeDir="false" afterPath="$PROJECT_DIR$/src/GridCalEngine/setup.py" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -152,7 +144,7 @@
       <recent name="$PROJECT_DIR$/src/research/PTDF" />
     </key>
   </component>
-  <component name="RunManager" selected="Python.ExecuteGridCal">
+  <component name="RunManager" selected="Python tests.Nosetests in tests">
     <configuration default="true" type="DjangoTestsConfigurationType">
       <module name="GridCalEngine" />
       <option name="INTERPRETER_OPTIONS" value="" />
@@ -418,7 +410,7 @@
       <option name="INPUT_FILE" value="" />
       <method v="2" />
     </configuration>
-    <configuration name="update_gui_file" type="PythonConfigurationType" factoryName="Python" temporary="true" nameIsGenerated="true">
+    <configuration name="circuit_to_newton_pa" type="PythonConfigurationType" factoryName="Python" temporary="true" nameIsGenerated="true">
       <module name="GridCal" />
       <option name="INTERPRETER_OPTIONS" value="" />
       <option name="PARENT_ENVS" value="true" />
@@ -426,12 +418,12 @@
         <env name="PYTHONUNBUFFERED" value="1" />
       </envs>
       <option name="SDK_HOME" value="" />
-      <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/src/GridCal/Gui/Main" />
+      <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/src/GridCal/Engine/Core/Compilers" />
       <option name="IS_MODULE_SDK" value="true" />
       <option name="ADD_CONTENT_ROOTS" value="true" />
       <option name="ADD_SOURCE_ROOTS" value="true" />
       <EXTENSION ID="PythonCoverageRunConfigurationExtension" runner="coverage.py" />
-      <option name="SCRIPT_NAME" value="$PROJECT_DIR$/src/GridCal/Gui/Main/update_gui_file.py" />
+      <option name="SCRIPT_NAME" value="$PROJECT_DIR$/src/GridCal/Engine/Core/Compilers/circuit_to_newton_pa.py" />
       <option name="PARAMETERS" value="" />
       <option name="SHOW_COMMAND_LINE" value="false" />
       <option name="EMULATE_TERMINAL" value="false" />
@@ -543,7 +535,7 @@
       <option name="docutils_open_in_browser" value="false" />
       <method v="2" />
     </configuration>
-    <configuration name="Nosetests in ac_dc_power_flow.py" type="tests" factoryName="Nosetests" temporary="true" nameIsGenerated="true">
+    <configuration name="Nosetests for tests.test_short_circuit.test_short_circuit" type="tests" factoryName="Nosetests" temporary="true" nameIsGenerated="true">
       <module name="GridCal" />
       <option name="INTERPRETER_OPTIONS" value="" />
       <option name="PARENT_ENVS" value="true" />
@@ -555,8 +547,8 @@
       <EXTENSION ID="PythonCoverageRunConfigurationExtension" runner="coverage.py" />
       <option name="_new_regexPattern" value="&quot;&quot;" />
       <option name="_new_additionalArguments" value="&quot;&quot;" />
-      <option name="_new_target" value="&quot;$PROJECT_DIR$/src/tests/ac_dc_power_flow.py&quot;" />
-      <option name="_new_targetType" value="&quot;PATH&quot;" />
+      <option name="_new_target" value="&quot;tests.test_short_circuit.test_short_circuit&quot;" />
+      <option name="_new_targetType" value="&quot;PYTHON&quot;" />
       <method v="2" />
     </configuration>
     <configuration name="Nosetests in tests" type="tests" factoryName="Nosetests" temporary="true" nameIsGenerated="true">
@@ -628,19 +620,20 @@
       <method v="2" />
     </configuration>
     <list>
-      <item itemvalue="Python.upload_to_pypi" />
       <item itemvalue="Python.update_gui_file" />
+      <item itemvalue="Python.circuit_to_newton_pa" />
+      <item itemvalue="Python.upload_to_pypi" />
       <item itemvalue="Python.ExecuteGridCal" />
-      <item itemvalue="Python tests.Nosetests in ac_dc_power_flow.py" />
+      <item itemvalue="Python tests.Nosetests for tests.test_short_circuit.test_short_circuit" />
       <item itemvalue="Python tests.Nosetests in tests" />
     </list>
     <recent_temporary>
       <list>
+        <item itemvalue="Python tests.Nosetests in tests" />
+        <item itemvalue="Python tests.Nosetests for tests.test_short_circuit.test_short_circuit" />
         <item itemvalue="Python.ExecuteGridCal" />
         <item itemvalue="Python.upload_to_pypi" />
-        <item itemvalue="Python.update_gui_file" />
-        <item itemvalue="Python tests.Nosetests in tests" />
-        <item itemvalue="Python tests.Nosetests in ac_dc_power_flow.py" />
+        <item itemvalue="Python.circuit_to_newton_pa" />
       </list>
     </recent_temporary>
   </component>
@@ -1253,7 +1246,7 @@
       <workItem from="1699946763282" duration="33000" />
       <workItem from="1699949346151" duration="4130000" />
       <workItem from="1700033837256" duration="19744000" />
-      <workItem from="1700121324590" duration="3442000" />
+      <workItem from="1700121324590" duration="4544000" />
     </task>
     <task id="LOCAL-00310" summary="implemented newtonPA time series">
       <created>1656059954202</created>
@@ -1598,7 +1591,7 @@
       <option name="project" value="LOCAL" />
       <updated>1698766404661</updated>
     </task>
-    <option name="localTasksCounter" value="395" />
+    <option name="localTasksCounter" value="397" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -1632,8 +1625,6 @@
     </option>
   </component>
   <component name="VcsManagerConfiguration">
-    <MESSAGE value="Finalized the scripting save and open" />
-    <MESSAGE value="Added fluid devices" />
     <MESSAGE value="5.0.0a26" />
     <MESSAGE value="Fixed the contingency planner functioning&#10;Fixed the sparsity detection of contingencies" />
     <MESSAGE value="Fixed the coordinates stuff" />
@@ -1657,7 +1648,9 @@
     <MESSAGE value="Implemented the inter area maximization into the regular OPF" />
     <MESSAGE value="improved CPF coding&#10;Added report to the OPF_TS" />
     <MESSAGE value="5.0.0a32" />
-    <option name="LAST_COMMIT_MESSAGE" value="5.0.0a32" />
+    <MESSAGE value="Fixed OPF formulation issue when some constraints turn out to be 0==0" />
+    <MESSAGE value="5.0.0a33" />
+    <option name="LAST_COMMIT_MESSAGE" value="5.0.0a33" />
   </component>
   <component name="XDebuggerManager">
     <breakpoint-manager>
@@ -2101,7 +2094,7 @@
     <SUITE FILE_PATH="coverage/GridCal$Nosetests_for_tests_admittance_matrix_test_test1.coverage" NAME="Nosetests for tests.admittance_matrix_test.test1 Coverage Results" MODIFIED="1694884103963" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/tests" />
     <SUITE FILE_PATH="coverage/GridCal$dc_opf.coverage" NAME="dc_opf Coverage Results" MODIFIED="1602504240684" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/GridCal/Engine/Simulations/OPF" />
     <SUITE FILE_PATH="coverage/GridCal$Nosetests_in_tests.coverage" NAME="Nosetests in tests Coverage Results" MODIFIED="1700037018561" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/tests" />
-    <SUITE FILE_PATH="coverage/GridCal$upload_to_pypi.coverage" NAME="upload_to_pypi Coverage Results" MODIFIED="1700069803143" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src" />
+    <SUITE FILE_PATH="coverage/GridCal$upload_to_pypi.coverage" NAME="upload_to_pypi Coverage Results" MODIFIED="1700125930157" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src" />
     <SUITE FILE_PATH="coverage/GridCal$gui.coverage" NAME="gui Coverage Results" MODIFIED="1649779929647" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/GridCal/Gui/AboutDialogue" />
     <SUITE FILE_PATH="coverage/GridCal$zip_interface.coverage" NAME="zip_interface Coverage Results" MODIFIED="1620029421103" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/GridCal/Engine/IO" />
     <SUITE FILE_PATH="coverage/GridCal$newton_equivalence_test.coverage" NAME="newton_equivalence_test Coverage Results" MODIFIED="1678866293763" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/tests" />
@@ -2287,7 +2280,7 @@
     <SUITE FILE_PATH="coverage/GridCal$binary_ga.coverage" NAME="binary_ga Coverage Results" MODIFIED="1663317448376" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/research/genetic_algorithms" />
     <SUITE FILE_PATH="coverage/GridCal$reactive_power_curve.coverage" NAME="reactive_power_curve Coverage Results" MODIFIED="1606723746932" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/research/generator" />
     <SUITE FILE_PATH="coverage/GridCal$update_gui_all.coverage" NAME="update_gui_all Coverage Results" MODIFIED="1696580506087" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/GridCal/Gui" />
-    <SUITE FILE_PATH="coverage/GridCal$ExecuteGridCal.coverage" NAME="ExecuteGridCal Coverage Results" MODIFIED="1700124441724" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/GridCal" />
+    <SUITE FILE_PATH="coverage/GridCal$ExecuteGridCal.coverage" NAME="ExecuteGridCal Coverage Results" MODIFIED="1700125966405" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/GridCal" />
     <SUITE FILE_PATH="coverage/GridCal$Nosetests_in_test_api_helm_py.coverage" NAME="Nosetests in test_api_helm.py Coverage Results" MODIFIED="1609500335381" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/tests" />
     <SUITE FILE_PATH="coverage/GridCal$Nosetests_in_ACPTDF_research2_py.coverage" NAME="Nosetests in ACPTDF_research2.py Coverage Results" MODIFIED="1601969138193" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/research/PTDF" />
     <SUITE FILE_PATH="coverage/GridCal$Nosetests_in_PTDF_research_py.coverage" NAME="Nosetests in PTDF_research.py Coverage Results" MODIFIED="1592575743464" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/research/PTDF" />
diff --git a/src/GridCal/__version__.py b/src/GridCal/__version__.py
index c2356b018..dcf2ae4c6 100644
--- a/src/GridCal/__version__.py
+++ b/src/GridCal/__version__.py
@@ -16,7 +16,7 @@
 _current_year_ = datetime.datetime.now().year
 
 # do not forget to keep a three-number version!!!
-__GridCal_VERSION__ = "5.0.0a33"
+__GridCal_VERSION__ = "5.0.0"
 
 url = 'https://github.com/SanPen/GridCal'
 
diff --git a/src/GridCalEngine/__version__.py b/src/GridCalEngine/__version__.py
index c6a44d292..55fb36789 100644
--- a/src/GridCalEngine/__version__.py
+++ b/src/GridCalEngine/__version__.py
@@ -16,7 +16,7 @@
 _current_year_ = datetime.datetime.now().year
 
 # do not forget to keep a three-number version!!!
-__GridCalEngine_VERSION__ = "5.0.0a33"
+__GridCalEngine_VERSION__ = "5.0.0"
 
 url = 'https://github.com/SanPen/GridCal'