diff --git a/.github/workflows/make.yml b/.github/workflows/make.yml
index aa51a06..f8b75cb 100644
--- a/.github/workflows/make.yml
+++ b/.github/workflows/make.yml
@@ -88,8 +88,9 @@ jobs:
       - name: Verify pass (non nxroute-poc)
         if: matrix.router != 'nxroute-poc'
         run: |
+          set -x
           # Allow CheckPhysNetlist to fail if no remote access to Vivado
-          grep -H PASS *.check || ${{ secrets.REPORT_ROUTE_STATUS_URL == '' }}
+          grep -H PASS *.check || (grep -H FAIL *.check && ${{ secrets.REPORT_ROUTE_STATUS_URL == '' }})
           grep -H -e "# of nets with routing errors[. :]\+0" *.check.log || ${{ secrets.REPORT_ROUTE_STATUS_URL == '' }}
           # But CheckPhysNetlist must have no differences
           grep "INFO: No differences found between routed and unrouted netlists" *.check.log
@@ -101,14 +102,15 @@ jobs:
       - name: Verify fail (nxroute-poc)
         if: matrix.router == 'nxroute-poc'
         run: |
+          set -x
           grep -H FAIL *.check
           # Only expect report_route_status output if URL given
           grep -H -e "# of nets with routing errors[. :]\+[1-9]" -e "# of unrouted nets[. :]\+[1-9]" *.check.log || ${{ secrets.REPORT_ROUTE_STATUS_URL == '' }}
           # But CheckPhysNetlist must have no differences (except koios because out-of-memory)
           grep "INFO: No differences found between routed and unrouted netlists" *.check.log || ${{ matrix.benchmark == 'koios_dla_like_large' }}
-          # Check no multiple sources, but expect stubs (except koios because out-of-memory)
+          # Check no multiple sources, but expect possibility of stubs since nxroute is unlikely to fully route the design
           grep "UserWarning: Found [0-9]\+ sources" *.wirelength && exit 1
-          grep "UserWarning: Found [0-9]\+ stubs" *.wirelength || ${{ matrix.benchmark == 'koios_dla_like_large' }}
+          grep "UserWarning: Found [0-9]\+ stubs" *.wirelength || true
           # Allow wirelength computation to fail since nxroute may not have routed anything or wirelength_analyzer was not run
           grep "^Wirelength: [1-9][0-9]*" *.wirelength || true
       - uses: actions/upload-artifact@v3
diff --git a/Makefile b/Makefile
index 97e563e..802585c 100644
--- a/Makefile
+++ b/Makefile
@@ -37,8 +37,11 @@ $(if $(HTTPSHOST),-Dhttps.proxyHost=$(HTTPSHOST) -Dhttps.proxyPort=$(HTTPSPORT),
 # (other supported values: nxroute-poc)
 ROUTER ?= rwroute
 
-# Make /usr/bin/time only print out wall-clock time in seconds
-export TIME=Wall-clock time (sec): %e
+# Make /usr/bin/time only print out wall-clock and user time in seconds
+TIME = Wall-clock time (sec): %e
+# Note that User-CPU time is for information purposes only (not used for scoring)
+TIME += \nUser-CPU time (sec): %U
+export TIME
 
 # Existence of the VERBOSE environment variable indicates whether router/
 # checker outputs will be displayed on screen
@@ -63,6 +66,11 @@ export RAPIDWRIGHT_PATH = $(abspath RapidWright)
 .PHONY: run-$(ROUTER)
 run-$(ROUTER): score-$(ROUTER)
 
+JAVA_CLASSPATH_TXT = java-classpath.txt
+.INTERMEDIATE: $(JAVA_CLASSPATH_TXT)
+$(JAVA_CLASSPATH_TXT): compile-java
+	echo "$$(./gradlew -quiet --offline runtimeClasspath):build/classes/java/main" > $@
+
 # Use Gradle to compile Java source code in this repository as well as the RapidWright repository.
 # Also download/generate all device files necessary for the xcvu3p device
 .PHONY: compile-java
@@ -92,8 +100,8 @@ fpga-interchange-schema/interchange/capnp/java.capnp:
 # Gradle is used to invoke the CheckPhysNetlist class' main method with arguments
 # $^ (%.netlist and %_rwroute.phys), and display/redirect all output to $@.log (%_rwroute.check.log).
 # The exit code of Gradle determines if 'PASS' or 'FAIL' is written to $@ (%_rwroute.check)
-%_$(ROUTER).check: %.netlist %_$(ROUTER).phys %_unrouted.phys | compile-java
-	if ./gradlew --offline -DjvmArgs="$(JVM_HEAP)" -Dmain=com.xilinx.fpga24_routing_contest.CheckPhysNetlist :run --args='$^' $(call log_and_or_display,$@.log); then \
+%_$(ROUTER).check: %.netlist %_$(ROUTER).phys %_unrouted.phys | $(JAVA_CLASSPATH_TXT)
+	if java -cp $$(cat $(JAVA_CLASSPATH_TXT)) $(JVM_HEAP) com.xilinx.fpga24_routing_contest.CheckPhysNetlist $^ $(call log_and_or_display,$@.log); then \
             echo "PASS" > $@; \
         else \
             echo "FAIL" > $@; \
@@ -135,8 +143,9 @@ distclean: clean
 # /usr/bin/time is used to measure the wall clock time
 # Gradle is used to invoke the PartialRouterPhysNetlist class' main method with arguments
 # $< (%_unrouted.phys) and $@ (%_rwroute.phys), and display/redirect all output into %_rwroute.phys.log
-%_rwroute.phys: %_unrouted.phys | compile-java
-	(/usr/bin/time ./gradlew --offline -DjvmArgs="$(JVM_HEAP)" -Dmain=com.xilinx.fpga24_routing_contest.PartialRouterPhysNetlist :run --args='$< $@') $(call log_and_or_display,$@.log)
+%_rwroute.phys: %_unrouted.phys | $(JAVA_CLASSPATH_TXT)
+	(/usr/bin/time java -cp $$(cat $(JAVA_CLASSPATH_TXT)) $(JVM_HEAP) com.xilinx.fpga24_routing_contest.PartialRouterPhysNetlist $< $@) $(call log_and_or_display,$@.log)
+
 
 ## NXROUTE-POC
 %_nxroute-poc.phys: %_unrouted.phys xcvu3p.device | install-python-deps fpga-interchange-schema/interchange/capnp/java.capnp
diff --git a/build.gradle b/build.gradle
index 1899c12..005549d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -37,3 +37,8 @@ task run(type: JavaExec) {
     }
 }
 
+task runtimeClasspath {
+    doLast {
+        println configurations.runtimeClasspath.asPath
+    }
+}
diff --git a/compute-score.py b/compute-score.py
index b2bb438..045081c 100644
--- a/compute-score.py
+++ b/compute-score.py
@@ -35,7 +35,7 @@ def runtime_result(physlogfile):
     """
     reWallClockSeconds = re.compile(r'Wall-clock time \(sec\): ([0-9.]+)')
     with open(physlogfile) as fp:
-        last = fp.readlines()[-1].rstrip()
+        last = fp.readlines()[-2].rstrip()
     m = reWallClockSeconds.match(last)
     if not m:
         return float('inf')