diff --git a/subprojects/xcfa/xcfa-analysis/src/main/java/hu/bme/mit/theta/xcfa/analysis/coi/XcfaCoi.kt b/subprojects/xcfa/xcfa-analysis/src/main/java/hu/bme/mit/theta/xcfa/analysis/coi/XcfaCoi.kt
index fc38995493..90aeda5598 100644
--- a/subprojects/xcfa/xcfa-analysis/src/main/java/hu/bme/mit/theta/xcfa/analysis/coi/XcfaCoi.kt
+++ b/subprojects/xcfa/xcfa-analysis/src/main/java/hu/bme/mit/theta/xcfa/analysis/coi/XcfaCoi.kt
@@ -1,3 +1,18 @@
+/*
+ *  Copyright 2023 Budapest University of Technology and Economics
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
 package hu.bme.mit.theta.xcfa.analysis.coi
 
 import hu.bme.mit.theta.analysis.LTS
diff --git a/subprojects/xcfa/xcfa-analysis/src/main/java/hu/bme/mit/theta/xcfa/analysis/coi/XcfaCoiMultiThread.kt b/subprojects/xcfa/xcfa-analysis/src/main/java/hu/bme/mit/theta/xcfa/analysis/coi/XcfaCoiMultiThread.kt
index 14802dc422..44deb23ff4 100644
--- a/subprojects/xcfa/xcfa-analysis/src/main/java/hu/bme/mit/theta/xcfa/analysis/coi/XcfaCoiMultiThread.kt
+++ b/subprojects/xcfa/xcfa-analysis/src/main/java/hu/bme/mit/theta/xcfa/analysis/coi/XcfaCoiMultiThread.kt
@@ -1,3 +1,18 @@
+/*
+ *  Copyright 2023 Budapest University of Technology and Economics
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
 package hu.bme.mit.theta.xcfa.analysis.coi
 
 import hu.bme.mit.theta.analysis.LTS
diff --git a/subprojects/xcfa/xcfa-analysis/src/main/java/hu/bme/mit/theta/xcfa/analysis/coi/XcfaCoiSingleThread.kt b/subprojects/xcfa/xcfa-analysis/src/main/java/hu/bme/mit/theta/xcfa/analysis/coi/XcfaCoiSingleThread.kt
index e86648fd6d..fc91991101 100644
--- a/subprojects/xcfa/xcfa-analysis/src/main/java/hu/bme/mit/theta/xcfa/analysis/coi/XcfaCoiSingleThread.kt
+++ b/subprojects/xcfa/xcfa-analysis/src/main/java/hu/bme/mit/theta/xcfa/analysis/coi/XcfaCoiSingleThread.kt
@@ -1,3 +1,18 @@
+/*
+ *  Copyright 2023 Budapest University of Technology and Economics
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
 package hu.bme.mit.theta.xcfa.analysis.coi
 
 import hu.bme.mit.theta.analysis.LTS
diff --git a/subprojects/xcfa/xcfa-analysis/src/main/java/hu/bme/mit/theta/xcfa/analysis/por/XcfaAasporCoiLts.kt b/subprojects/xcfa/xcfa-analysis/src/main/java/hu/bme/mit/theta/xcfa/analysis/por/XcfaAasporCoiLts.kt
index 562dd1e800..b3a4c81b35 100644
--- a/subprojects/xcfa/xcfa-analysis/src/main/java/hu/bme/mit/theta/xcfa/analysis/por/XcfaAasporCoiLts.kt
+++ b/subprojects/xcfa/xcfa-analysis/src/main/java/hu/bme/mit/theta/xcfa/analysis/por/XcfaAasporCoiLts.kt
@@ -1,3 +1,18 @@
+/*
+ *  Copyright 2023 Budapest University of Technology and Economics
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
 package hu.bme.mit.theta.xcfa.analysis.por
 
 import hu.bme.mit.theta.analysis.LTS