portfolio data-race fix #542

Job	Run time
deploy-docs	0s
build	5m 35s
test-docker (theta-cfa-cli)	3m 55s
test-docker (theta-sts-cli)	4m 3s
test-docker (theta-xsts-cli)	4m 8s
test-docker (theta-xta-cli)	3m 45s
javadoc	4m 14s
create-archives	3m 0s
test-linux (ubuntu-latest)	6m 29s
test-linux (ubuntu-22.04)	5m 58s
test-benchexec (ReachSafety-Arrays)	11m 38s
test-linux (ubuntu-20.04)	5m 57s
test-benchexec (ReachSafety-BitVectors)	3m 59s
test-benchexec (ReachSafety-ControlFlow)	5m 47s
test-benchexec (ReachSafety-ECA)	12m 18s
test-benchexec (ReachSafety-Floats)	6m 34s
test-benchexec (ReachSafety-Heap)	4m 17s
test-benchexec (ReachSafety-Loops)	11m 16s
test-benchexec (ReachSafety-ProductLines)	4m 57s
test-benchexec (ReachSafety-Recursive)	5m 14s
test-benchexec (ReachSafety-Sequentialized)	11m 22s
test-benchexec (ReachSafety-XCSP)	7m 25s
test-benchexec (ReachSafety-Combinations)	11m 2s
test-benchexec (ReachSafety-Hardware)	9m 52s
test-benchexec (ConcurrencySafety-Main)	7m 45s
test-benchexec (NoDataRace-Main)	6m 37s
test-benchexec (ConcurrencySafety-NoOverflows)	6m 13s
test-benchexec (ConcurrencySafety-MemSafety)	6m 19s
deploy-maven	0s
deploy-docker	0s
deploy-release	0s
collect-results	1m 43s
	3h 1m 22s

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