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Java Bytec 64199 pair #381919299
details
property
value
status
complete
benchmark
Power.jar
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n053.star.cs.uiowa.edu
space
Julia_10_Recursive
run statistics
property
value
solver
AProVE
configuration
standard
runtime (wallclock)
4.39002084732 seconds
cpu usage
13.455178264
max memory
1.087725568E9
stage attributes
key
value
output-size
66142
starexec-result
YES
output
/export/starexec/sandbox/solver/bin/starexec_run_standard /export/starexec/sandbox/benchmark/theBenchmark.jar /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- YES proof of /export/starexec/sandbox/benchmark/theBenchmark.jar # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty termination of the given Bare JBC problem could be proven: (0) Bare JBC problem (1) BareJBCToJBCProof [EQUIVALENT, 96 ms] (2) JBC problem (3) JBCToGraph [EQUIVALENT, 786 ms] (4) JBCTerminationGraph (5) TerminationGraphToSCCProof [SOUND, 40 ms] (6) AND (7) JBCTerminationSCC (8) SCCToIRSProof [SOUND, 214 ms] (9) IRSwT (10) IRSFormatTransformerProof [EQUIVALENT, 0 ms] (11) IRSwT (12) IRSwTTerminationDigraphProof [EQUIVALENT, 0 ms] (13) IRSwT (14) IntTRSCompressionProof [EQUIVALENT, 0 ms] (15) IRSwT (16) TempFilterProof [SOUND, 35 ms] (17) IntTRS (18) PolynomialOrderProcessor [EQUIVALENT, 0 ms] (19) YES (20) JBCTerminationSCC (21) SCCToIRSProof [SOUND, 48 ms] (22) IRSwT (23) IRSFormatTransformerProof [EQUIVALENT, 0 ms] (24) IRSwT (25) IRSwTTerminationDigraphProof [EQUIVALENT, 40 ms] (26) IRSwT (27) IntTRSCompressionProof [EQUIVALENT, 0 ms] (28) IRSwT (29) FilterProof [EQUIVALENT, 0 ms] (30) IntTRS (31) IntTRSCompressionProof [EQUIVALENT, 0 ms] (32) IntTRS (33) RankingReductionPairProof [EQUIVALENT, 0 ms] (34) YES (35) JBCTerminationSCC (36) SCCToIRSProof [SOUND, 111 ms] (37) IRSwT (38) IRSFormatTransformerProof [EQUIVALENT, 0 ms] (39) IRSwT (40) IRSwTTerminationDigraphProof [EQUIVALENT, 91 ms] (41) IRSwT (42) IntTRSCompressionProof [EQUIVALENT, 0 ms] (43) IRSwT (44) TempFilterProof [SOUND, 99 ms] (45) IntTRS (46) PolynomialOrderProcessor [EQUIVALENT, 17 ms] (47) IntTRS (48) PolynomialOrderProcessor [EQUIVALENT, 0 ms] (49) IntTRS (50) RankingReductionPairProof [EQUIVALENT, 12 ms] (51) YES ---------------------------------------- (0) Obligation: need to prove termination of the following program: public class Power { public static void main(String args[]) { for (int i = 0; i < args.length; i++) { even(power(args.length, args[i].length())); odd( power(args.length, args[i].length())); } // power(args.length, args.length); } public static int power(int a, int n) { if (n <= 0) return 1; else if (n == 1) return a; else { int r = power(a * a, n/2); if (n % 2 == 0) return r; else return a * r; } } public static boolean even(int n) { if (n <= 0) return true; else if (n == 1) return false; else return odd(n - 1); } public static boolean odd(int n) { if (n <= 0) return false; else if (n == 1) return true;
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