Added multi formalism to create product of arbitrary number of formal… #666

Job	Run time
build	4m 18s
deploy-docs	24s
test-docker (theta-cfa-cli)	4m 24s
test-docker (theta-sts-cli)	4m 3s
test-docker (theta-xsts-cli)	3m 55s
test-docker (theta-xta-cli)	4m 1s
javadoc	3m 29s
test-linux (ubuntu-latest)	6m 12s
create-archives	3m 5s
test-linux (ubuntu-22.04)	6m 2s
test-benchexec (ReachSafety-Arrays)	10m 45s
test-linux (ubuntu-20.04)	5m 55s
test-benchexec (ReachSafety-BitVectors)	3m 18s
test-benchexec (ReachSafety-ControlFlow)	5m 10s
test-benchexec (ReachSafety-ECA)	12m 38s
test-benchexec (ReachSafety-Floats)	7m 55s
test-benchexec (ReachSafety-Heap)	3m 37s
test-benchexec (ReachSafety-Loops)	9m 53s
test-benchexec (ReachSafety-ProductLines)	4m 23s
test-benchexec (ReachSafety-Recursive)	8m 21s
test-benchexec (ReachSafety-Sequentialized)	8m 2s
test-benchexec (ReachSafety-XCSP)	6m 50s
test-benchexec (ReachSafety-Combinations)	9m 51s
test-benchexec (ReachSafety-Hardware)	14m 12s
test-benchexec (ConcurrencySafety-Main)	7m 31s
test-benchexec (NoDataRace-Main)	5m 52s
test-benchexec (ConcurrencySafety-NoOverflows)	5m 43s
test-benchexec (ConcurrencySafety-MemSafety)	5m 44s
deploy-release	0s
deploy-docker	0s
deploy-maven	0s
collect-results	1m 1s
	2h 56m 34s

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