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TRS Contextsensitive pair #487092653
details
property
value
status
complete
benchmark
MYNAT_nokinds.xml
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n148.star.cs.uiowa.edu
space
Maude_06
run statistics
property
value
solver
AProVE
configuration
standard
runtime (wallclock)
2.13648 seconds
cpu usage
5.76703
user time
5.52112
system time
0.245909
max virtual memory
1.8475704E7
max residence set size
454900.0
stage attributes
key
value
starexec-result
YES
output
YES proof of /export/starexec/sandbox/benchmark/theBenchmark.xml # AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty Termination of the given CSR could be proven: (0) CSR (1) CSDependencyPairsProof [EQUIVALENT, 0 ms] (2) QCSDP (3) QCSDependencyGraphProof [EQUIVALENT, 0 ms] (4) AND (5) QCSDP (6) QCSDPReductionPairProof [EQUIVALENT, 171 ms] (7) QCSDP (8) QCSDependencyGraphProof [EQUIVALENT, 0 ms] (9) TRUE (10) QCSDP (11) QCSDPSubtermProof [EQUIVALENT, 0 ms] (12) QCSDP (13) QCSDependencyGraphProof [EQUIVALENT, 0 ms] (14) TRUE (15) QCSDP (16) QCSDPSubtermProof [EQUIVALENT, 0 ms] (17) QCSDP (18) QCSDependencyGraphProof [EQUIVALENT, 0 ms] (19) TRUE ---------------------------------------- (0) Obligation: Context-sensitive rewrite system: The TRS R consists of the following rules: U11(tt, N) -> N U21(tt, M, N) -> s(plus(N, M)) U31(tt) -> 0 U41(tt, M, N) -> plus(x(N, M), N) and(tt, X) -> X isNat(0) -> tt isNat(plus(V1, V2)) -> and(isNat(V1), isNat(V2)) isNat(s(V1)) -> isNat(V1) isNat(x(V1, V2)) -> and(isNat(V1), isNat(V2)) plus(N, 0) -> U11(isNat(N), N) plus(N, s(M)) -> U21(and(isNat(M), isNat(N)), M, N) x(N, 0) -> U31(isNat(N)) x(N, s(M)) -> U41(and(isNat(M), isNat(N)), M, N) The replacement map contains the following entries: U11: {1} tt: empty set U21: {1} s: {1} plus: {1, 2} U31: {1} 0: empty set U41: {1} x: {1, 2} and: {1} isNat: empty set ---------------------------------------- (1) CSDependencyPairsProof (EQUIVALENT) Using Improved CS-DPs [LPAR08] we result in the following initial Q-CSDP problem. ---------------------------------------- (2) Obligation: Q-restricted context-sensitive dependency pair problem: The symbols in {s_1, plus_2, U31_1, x_2, PLUS_2, X_2, U31'_1} are replacing on all positions. For all symbols f in {U11_2, U21_3, U41_3, and_2, U21'_3, U41'_3, AND_2, U11'_2} we have mu(f) = {1}. The symbols in {isNat_1, ISNAT_1, U_1} are not replacing on any position. The ordinary context-sensitive dependency pairs DP_o are: U21'(tt, M, N) -> PLUS(N, M) U41'(tt, M, N) -> PLUS(x(N, M), N) U41'(tt, M, N) -> X(N, M) ISNAT(plus(V1, V2)) -> AND(isNat(V1), isNat(V2)) ISNAT(plus(V1, V2)) -> ISNAT(V1) ISNAT(s(V1)) -> ISNAT(V1) ISNAT(x(V1, V2)) -> AND(isNat(V1), isNat(V2)) ISNAT(x(V1, V2)) -> ISNAT(V1) PLUS(N, 0) -> U11'(isNat(N), N) PLUS(N, 0) -> ISNAT(N) PLUS(N, s(M)) -> U21'(and(isNat(M), isNat(N)), M, N) PLUS(N, s(M)) -> AND(isNat(M), isNat(N)) PLUS(N, s(M)) -> ISNAT(M) X(N, 0) -> U31'(isNat(N)) X(N, 0) -> ISNAT(N) X(N, s(M)) -> U41'(and(isNat(M), isNat(N)), M, N) X(N, s(M)) -> AND(isNat(M), isNat(N)) X(N, s(M)) -> ISNAT(M) The collapsing dependency pairs are DP_c: U11'(tt, N) -> N U21'(tt, M, N) -> N
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