Trace number 39436

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds, and are wall clock time (not CPU time).

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerCPU timeWall clock time
bsolo 2006/05UNSAT 76.0724 76.1152

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111220546.opb
MD5SUMaeab1724c196459c6b33e6369a15ae92
Bench CategorySATUNSAT-SMALLINT-LIN (no optimisation, small integers, linear constraints)
Best result obtained on this benchmarkUNSAT
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark0.439933
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables169
Total number of constraints101
Number of constraints which are clauses30
Number of constraints which are cardinality constraints (but not clauses)70
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint169
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 38
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 1248
Number of bits of the biggest sum of numbers11
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data (download as text)

0.00	c Time Limit set via PBTIMEOUT to 1800
0.01	c INFO: OSL Context initialized.
0.02	c Initial problem consists of 169 variables and 101 constraints.
0.02	c Using non-optimization problem switches.
0.02	c No problem reductions applied in OPT. instance.
0.02	c	preprocess terminated. Elapsed time: 0.01
0.02	c After prepocess the problem consists of 169 variables and 99 constraints.
0.03	c Restart #1 #Var: 169 LB: 0 @ 0.026
0.06	c Restart #2 #Var: 169 LB: 0 @ 0.055
0.12	c Restart #3 #Var: 169 LB: 0 @ 0.109
0.17	c Restart #4 #Var: 169 LB: 0 @ 0.158
0.24	c Restart #5 #Var: 169 LB: 0 @ 0.226
0.33	c Restart #6 #Var: 169 LB: 0 @ 0.317
0.44	c Restart #7 #Var: 169 LB: 0 @ 0.434
0.60	c Restart #8 #Var: 169 LB: 0 @ 0.589
0.77	c Restart #9 #Var: 169 LB: 0 @ 0.762
0.95	c Restart #10 #Var: 169 LB: 0 @ 0.944
1.17	c Restart #11 #Var: 169 LB: 0 @ 1.159
1.40	c Restart #12 #Var: 169 LB: 0 @ 1.389
1.76	c Restart #13 #Var: 169 LB: 0 @ 1.748
2.11	c Restart #14 #Var: 169 LB: 0 @ 2.103
2.52	c Restart #15 #Var: 169 LB: 0 @ 2.506
2.93	c Restart #16 #Var: 169 LB: 0 @ 2.922
3.61	c Restart #17 #Var: 169 LB: 0 @ 3.605
4.33	c Restart #18 #Var: 169 LB: 0 @ 4.324
5.21	c Restart #19 #Var: 169 LB: 0 @ 5.199
6.14	c Restart #20 #Var: 169 LB: 0 @ 6.13
7.13	c Restart #21 #Var: 169 LB: 0 @ 7.113
8.01	c Restart #22 #Var: 169 LB: 0 @ 7.993
9.09	c Restart #23 #Var: 169 LB: 0 @ 9.074
10.29	c Restart #24 #Var: 169 LB: 0 @ 10.277
11.28	c Restart #25 #Var: 169 LB: 0 @ 11.261
12.63	c Restart #26 #Var: 169 LB: 0 @ 12.611
14.54	c Restart #27 #Var: 169 LB: 0 @ 14.521
15.94	c Restart #28 #Var: 169 LB: 0 @ 15.923
17.84	c Restart #29 #Var: 167 LB: 0 @ 17.824
20.25	c Restart #30 #Var: 167 LB: 0 @ 20.23
21.84	c Restart #31 #Var: 167 LB: 0 @ 21.817
24.18	c Restart #32 #Var: 167 LB: 0 @ 24.155
25.84	c Restart #33 #Var: 167 LB: 0 @ 25.821
27.80	c Restart #34 #Var: 167 LB: 0 @ 27.779
30.11	c Restart #35 #Var: 166 LB: 0 @ 30.083
32.51	c Restart #36 #Var: 166 LB: 0 @ 32.483
35.82	c Restart #37 #Var: 165 LB: 0 @ 35.791
40.18	c Restart #38 #Var: 157 LB: 0 @ 40.158
42.55	c Restart #39 #Var: 156 LB: 0 @ 42.527
47.19	c Restart #40 #Var: 153 LB: 0 @ 47.166
50.10	c Restart #41 #Var: 152 LB: 0 @ 50.069
53.62	c Restart #42 #Var: 152 LB: 0 @ 53.591
56.99	c Restart #43 #Var: 152 LB: 0 @ 56.961
61.98	c Restart #44 #Var: 150 LB: 0 @ 61.945
67.64	c Restart #45 #Var: 149 LB: 0 @ 67.607
75.04	c Restart #46 #Var: 147 LB: 0 @ 75
76.08	s UNSATISFIABLE
76.08	c Exit Code: 20
76.08	c Total time: 76.046 s

Verifier Data (download as text)

ERROR: no interpretation found !

Watcher Data (download as text)

Enforcing CPU limit (will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1830 seconds
Enforcing Stack size limit: 67108864 bytes
Enforcing memory limit (will send SIGKILL): 1843200 Kb
Enforcing VSIZE limit: 1887436800 bytes
runsolver version 3.0.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node91/watcher-39436-1149207666 -o ROOT/results/node91/solver-39436-1149207666 -C 1800 -M 1800 -S 64 ROOT/solvers/PB/PB06final/user10/bsolo ROOT/tmp/node91/39436-1149207666/instance-39436-1149207666.opb 

Current StackSize limit: 67108864 bytes

/proc/loadavg: 0.84 0.88 0.83 2/68 19540
/proc/meminfo: memFree=1734496/2055892 swapFree=4085380/4096564
[pid=19540] ppid=19538 vsize=4932 CPUtime=0
/proc/19540/stat : 19540 (bsolo) R 19538 19540 19495 0 -1 0 353 0 0 0 0 0 0 0 18 0 1 0 186405601 5050368 319 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 1663328 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19540/statm: 1234 327 223 55 0 125 0

[startup+10.0024 s]
/proc/loadavg: 0.86 0.88 0.83 2/68 19540
/proc/meminfo: memFree=1696560/2055892 swapFree=4085380/4096564
[pid=19540] ppid=19538 vsize=42580 CPUtime=9.98
/proc/19540/stat : 19540 (bsolo) R 19538 19540 19495 0 -1 0 9893 0 0 0 990 8 0 0 25 0 1 0 186405601 43601920 9809 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19540/statm: 10645 9809 293 55 0 9536 0
Current children cumulated CPU time (s) 9.98
Current children cumulated vsize (Kb) 42580

[startup+20.0083 s]
/proc/loadavg: 0.88 0.89 0.83 2/68 19540
/proc/meminfo: memFree=1672944/2055892 swapFree=4085380/4096564
[pid=19540] ppid=19538 vsize=66084 CPUtime=19.97
/proc/19540/stat : 19540 (bsolo) R 19538 19540 19495 0 -1 0 15774 0 0 0 1984 13 0 0 25 0 1 0 186405601 67670016 15690 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 134548598 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19540/statm: 16521 15690 293 55 0 15412 0
Current children cumulated CPU time (s) 19.97
Current children cumulated vsize (Kb) 66084

[startup+30.0143 s]
/proc/loadavg: 0.90 0.89 0.84 2/68 19540
/proc/meminfo: memFree=1646384/2055892 swapFree=4085380/4096564
[pid=19540] ppid=19538 vsize=92812 CPUtime=29.98
/proc/19540/stat : 19540 (bsolo) R 19538 19540 19495 0 -1 0 22411 0 0 0 2978 20 0 0 25 0 1 0 186405601 95039488 22327 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 134550809 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19540/statm: 23203 22328 293 55 0 22094 0
Current children cumulated CPU time (s) 29.98
Current children cumulated vsize (Kb) 92812

[startup+40.0202 s]
/proc/loadavg: 0.91 0.89 0.84 2/68 19540
/proc/meminfo: memFree=1629360/2055892 swapFree=4085380/4096564
[pid=19540] ppid=19538 vsize=109852 CPUtime=39.98
/proc/19540/stat : 19540 (bsolo) R 19538 19540 19495 0 -1 0 26646 0 0 0 3974 24 0 0 25 0 1 0 186405601 112488448 26562 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 134548542 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19540/statm: 27463 26562 293 55 0 26354 0
Current children cumulated CPU time (s) 39.98
Current children cumulated vsize (Kb) 109852

[startup+50.0272 s]
/proc/loadavg: 0.93 0.89 0.84 2/68 19540
/proc/meminfo: memFree=1610288/2055892 swapFree=4085380/4096564
[pid=19540] ppid=19538 vsize=128892 CPUtime=49.99
/proc/19540/stat : 19540 (bsolo) R 19538 19540 19495 0 -1 0 31411 0 0 0 4970 29 0 0 25 0 1 0 186405601 131985408 31327 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 134548601 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19540/statm: 32223 31327 293 55 0 31114 0
Current children cumulated CPU time (s) 49.99
Current children cumulated vsize (Kb) 128892

[startup+60.0332 s]
/proc/loadavg: 0.94 0.90 0.84 2/68 19540
/proc/meminfo: memFree=1592368/2055892 swapFree=4085380/4096564
[pid=19540] ppid=19538 vsize=146872 CPUtime=59.99
/proc/19540/stat : 19540 (bsolo) R 19538 19540 19495 0 -1 0 35896 0 0 0 5965 34 0 0 25 0 1 0 186405601 150396928 35811 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 134550891 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19540/statm: 36718 35811 293 55 0 35609 0
Current children cumulated CPU time (s) 59.99
Current children cumulated vsize (Kb) 146872

[startup+70.0391 s]
/proc/loadavg: 0.95 0.90 0.84 2/68 19540
/proc/meminfo: memFree=1579376/2055892 swapFree=4085380/4096564
[pid=19540] ppid=19538 vsize=159844 CPUtime=69.99
/proc/19540/stat : 19540 (bsolo) R 19538 19540 19495 0 -1 0 39139 0 0 0 6961 38 0 0 25 0 1 0 186405601 163680256 39052 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 134534988 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19540/statm: 39961 39052 293 55 0 38852 0
Current children cumulated CPU time (s) 69.99
Current children cumulated vsize (Kb) 159844

Child status: 20
Real time (s): 76.1152
CPU time (s): 76.0724
CPU user time (s): 75.6445
CPU system time (s): 0.427934
CPU usage (%): 99.9438
Max. virtual memory (cumulated for all children) (Kb): 159844

Launcher Data (download as text)

Begin job on node91 on Fri Jun  2 00:21:07 UTC 2006


FILE ID= 39436-1149207666

PBS_JOBID= 293417

BENCH NAME= ROOT/tmp/node91/39436-1149207666/instance-39436-1149207666.opb
COMMAND LINE= ROOT/solvers/PB/PB06final/user10/bsolo ROOT/tmp/node91/39436-1149207666/instance-39436-1149207666.opb
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node91/watcher-39436-1149207666 -o ROOT/results/node91/solver-39436-1149207666 -C 1800 -M 1800 -S 64  ROOT/solvers/PB/PB06final/user10/bsolo ROOT/tmp/node91/39436-1149207666/instance-39436-1149207666.opb

MD5SUM SOLVER= 05cada221eb1efaaae980ebc7509e7e8
MD5SUM BENCH=  aeab1724c196459c6b33e6369a15ae92

RANDOM SEED= 592144781


/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.279
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6006.18
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.279
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5999.45
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055892 kB
MemFree:       1734896 kB
Buffers:         26400 kB
Cached:         221688 kB
SwapCached:       2968 kB
Active:          84652 kB
Inactive:       172660 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055892 kB
LowFree:       1734896 kB
SwapTotal:     4096564 kB
SwapFree:      4085380 kB
Dirty:             180 kB
Writeback:           0 kB
Mapped:          16596 kB
Slab:            50220 kB
Committed_AS:   213724 kB
PageTables:       1284 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264388 kB
VmallocChunk: 536606243 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB


End job on node91 on Fri Jun  2 00:22:23 UTC 2006