update coroutines management

Author: SBOne-Kenobi

utbot-junit-contest/src/main/kotlin/org/utbot/contest/Contest.kt

@@ -290,7 +290,7 @@ fun runGeneration(
                     UtSettings.fuzzingTimeoutInMillis = (budgetForMethod * fuzzingRatio).toLong()
 
                     //start controller that will activate symbolic execution
-                    GlobalScope.launch {
+                    GlobalScope.launch(currentContext) {
                         delay(budgetForSymbolicExecution)
 
                         if (methodJob.isActive) {
@@ -371,7 +371,7 @@ fun runGeneration(
         }
 
 
-        val cancellator = GlobalScope.launch {
+        val cancellator = GlobalScope.launch(currentContext) {
             delay(remainingBudget())
             if (engineJob.isActive) {
                 logger.warn { "Cancelling job because timeout $generationTimeout ms elapsed (real cancellation can take time)" }

utbot-junit-contest/src/main/kotlin/org/utbot/monitoring/StatisticsMonitoring.kt

@@ -3,6 +3,10 @@ package org.utbot.monitoring
 import java.io.File
 import java.util.concurrent.TimeUnit
 import kotlin.system.exitProcess
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.cancel
+import kotlinx.coroutines.cancelChildren
+import kotlinx.coroutines.job
 import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
 import mu.KotlinLogging
@@ -14,6 +18,7 @@ import org.utbot.contest.GlobalStats
 import org.utbot.contest.Paths
 import org.utbot.contest.Tool
 import org.utbot.contest.runEstimator
+import org.utbot.framework.plugin.api.util.utContext
 import org.utbot.framework.plugin.services.JdkInfoService
 import org.utbot.instrumentation.ConcreteExecutor
 
@@ -71,6 +76,8 @@ fun main(args: Array<String>) {
 
         }
 
+        utContext.cancelChildren()
+        utContext.cancel()
         ConcreteExecutor.defaultPool.forceTerminateProcesses()
         System.gc()
     }