Trace number 39442

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 79.177 79.2293

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111213868.opb
MD5SUMab9355d4d11f3d384bbd2382ecf28a15
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 benchmark0.497923
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 1199
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
0.03	c INFO: OSL Context initialized.
0.03	c Initial problem consists of 169 variables and 101 constraints.
0.03	c Using non-optimization problem switches.
0.03	c No problem reductions applied in OPT. instance.
0.03	c	preprocess terminated. Elapsed time: 0.014
0.03	c After prepocess the problem consists of 169 variables and 99 constraints.
0.05	c Restart #1 #Var: 169 LB: 0 @ 0.027
0.08	c Restart #2 #Var: 169 LB: 0 @ 0.057
0.12	c Restart #3 #Var: 169 LB: 0 @ 0.098
0.17	c Restart #4 #Var: 169 LB: 0 @ 0.146
0.23	c Restart #5 #Var: 169 LB: 0 @ 0.207
0.31	c Restart #6 #Var: 169 LB: 0 @ 0.293
0.42	c Restart #7 #Var: 169 LB: 0 @ 0.396
0.54	c Restart #8 #Var: 169 LB: 0 @ 0.518
0.69	c Restart #9 #Var: 169 LB: 0 @ 0.673
0.85	c Restart #10 #Var: 169 LB: 0 @ 0.827
1.07	c Restart #11 #Var: 169 LB: 0 @ 1.046
1.35	c Restart #12 #Var: 169 LB: 0 @ 1.327
1.66	c Restart #13 #Var: 169 LB: 0 @ 1.643
2.07	c Restart #14 #Var: 169 LB: 0 @ 2.047
2.48	c Restart #15 #Var: 169 LB: 0 @ 2.464
2.98	c Restart #16 #Var: 169 LB: 0 @ 2.955
3.63	c Restart #17 #Var: 169 LB: 0 @ 3.613
4.47	c Restart #18 #Var: 169 LB: 0 @ 4.446
5.09	c Restart #19 #Var: 169 LB: 0 @ 5.067
5.69	c Restart #20 #Var: 169 LB: 0 @ 5.671
6.64	c Restart #21 #Var: 169 LB: 0 @ 6.618
7.59	c Restart #22 #Var: 169 LB: 0 @ 7.565
8.87	c Restart #23 #Var: 169 LB: 0 @ 8.851
10.09	c Restart #24 #Var: 169 LB: 0 @ 10.066
11.26	c Restart #25 #Var: 169 LB: 0 @ 11.235
12.79	c Restart #26 #Var: 169 LB: 0 @ 12.761
14.17	c Restart #27 #Var: 169 LB: 0 @ 14.139
15.96	c Restart #28 #Var: 168 LB: 0 @ 15.93
17.70	c Restart #29 #Var: 168 LB: 0 @ 17.673
19.04	c Restart #30 #Var: 168 LB: 0 @ 19.009
20.54	c Restart #31 #Var: 168 LB: 0 @ 20.509
22.09	c Restart #32 #Var: 167 LB: 0 @ 22.061
25.38	c Restart #33 #Var: 166 LB: 0 @ 25.347
27.19	c Restart #34 #Var: 166 LB: 0 @ 27.155
29.62	c Restart #35 #Var: 166 LB: 0 @ 29.584
32.48	c Restart #36 #Var: 166 LB: 0 @ 32.443
35.89	c Restart #37 #Var: 166 LB: 0 @ 35.853
38.50	c Restart #38 #Var: 166 LB: 0 @ 38.461
41.45	c Restart #39 #Var: 165 LB: 0 @ 41.416
44.60	c Restart #40 #Var: 164 LB: 0 @ 44.559
47.93	c Restart #41 #Var: 160 LB: 0 @ 47.892
52.37	c Restart #42 #Var: 160 LB: 0 @ 52.33
56.70	c Restart #43 #Var: 160 LB: 0 @ 56.657
63.04	c Restart #44 #Var: 155 LB: 0 @ 63.001
68.26	c Restart #45 #Var: 146 LB: 0 @ 68.217
72.33	c Restart #46 #Var: 146 LB: 0 @ 72.287
79.20	s UNSATISFIABLE
79.20	c Exit Code: 20
79.20	c Total time: 79.15 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/node68/watcher-39442-1149208471 -o ROOT/results/node68/solver-39442-1149208471 -C 1800 -M 1800 -S 64 ROOT/solvers/PB/PB06final/user10/bsolo ROOT/tmp/node68/39442-1149208471/instance-39442-1149208471.opb 

Current StackSize limit: 67108864 bytes

/proc/loadavg: 0.79 0.92 0.89 2/64 5503
/proc/meminfo: memFree=1435080/2055920 swapFree=4182324/4192956
[pid=5503] ppid=5501 vsize=4608 CPUtime=0
/proc/5503/stat : 5503 (bsolo) R 5501 5503 5458 0 -1 0 68 0 0 0 0 0 0 0 18 0 1 0 186516638 4718592 50 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 10517133 0 0 4096 0 0 0 0 17 1 0 0
/proc/5503/statm: 1156 55 41 55 0 44 0

[startup+10.0015 s]
/proc/loadavg: 0.82 0.93 0.90 2/64 5503
/proc/meminfo: memFree=1396704/2055920 swapFree=4182324/4192956
[pid=5503] ppid=5501 vsize=42856 CPUtime=9.97
/proc/5503/stat : 5503 (bsolo) R 5501 5503 5458 0 -1 0 9969 0 0 0 990 7 0 0 25 0 1 0 186516638 43884544 9884 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 134718704 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5503/statm: 10714 9884 296 55 0 9606 0
Current children cumulated CPU time (s) 9.97
Current children cumulated vsize (Kb) 42856

[startup+20.0082 s]
/proc/loadavg: 0.85 0.93 0.90 2/64 5503
/proc/meminfo: memFree=1371432/2055920 swapFree=4182324/4192956
[pid=5503] ppid=5501 vsize=68228 CPUtime=19.97
/proc/5503/stat : 5503 (bsolo) R 5501 5503 5458 0 -1 0 16286 0 0 0 1985 12 0 0 25 0 1 0 186516638 69865472 16201 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5503/statm: 17057 16201 296 55 0 15949 0
Current children cumulated CPU time (s) 19.97
Current children cumulated vsize (Kb) 68228

[startup+30.0149 s]
/proc/loadavg: 0.87 0.93 0.90 2/64 5503
/proc/meminfo: memFree=1350248/2055920 swapFree=4182324/4192956
[pid=5503] ppid=5501 vsize=89264 CPUtime=29.97
/proc/5503/stat : 5503 (bsolo) R 5501 5503 5458 0 -1 0 21553 0 0 0 2979 18 0 0 25 0 1 0 186516638 91406336 21468 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 134534809 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5503/statm: 22316 21468 296 55 0 21208 0
Current children cumulated CPU time (s) 29.97
Current children cumulated vsize (Kb) 89264

[startup+40.0206 s]
/proc/loadavg: 0.89 0.93 0.90 2/64 5503
/proc/meminfo: memFree=1330472/2055920 swapFree=4182324/4192956
[pid=5503] ppid=5501 vsize=109216 CPUtime=39.98
/proc/5503/stat : 5503 (bsolo) R 5501 5503 5458 0 -1 0 26494 0 0 0 3974 24 0 0 25 0 1 0 186516638 111837184 26407 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 134533905 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5503/statm: 27304 26407 296 55 0 26196 0
Current children cumulated CPU time (s) 39.98
Current children cumulated vsize (Kb) 109216

[startup+50.0274 s]
/proc/loadavg: 0.90 0.93 0.90 2/64 5503
/proc/meminfo: memFree=1312680/2055920 swapFree=4182324/4192956
[pid=5503] ppid=5501 vsize=126972 CPUtime=49.98
/proc/5503/stat : 5503 (bsolo) R 5501 5503 5458 0 -1 0 30931 0 0 0 4969 29 0 0 25 0 1 0 186516638 130019328 30843 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 134533920 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5503/statm: 31743 30843 296 55 0 30635 0
Current children cumulated CPU time (s) 49.98
Current children cumulated vsize (Kb) 126972

[startup+60.0331 s]
/proc/loadavg: 0.92 0.93 0.90 2/64 5503
/proc/meminfo: memFree=1300136/2055920 swapFree=4182324/4192956
[pid=5503] ppid=5501 vsize=139556 CPUtime=59.98
/proc/5503/stat : 5503 (bsolo) R 5501 5503 5458 0 -1 0 34059 0 0 0 5964 34 0 0 25 0 1 0 186516638 142905344 33970 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 134548601 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5503/statm: 34889 33970 296 55 0 33781 0
Current children cumulated CPU time (s) 59.98
Current children cumulated vsize (Kb) 139556

[startup+70.0398 s]
/proc/loadavg: 0.93 0.94 0.90 2/64 5503
/proc/meminfo: memFree=1285992/2055920 swapFree=4182324/4192956
[pid=5503] ppid=5501 vsize=153676 CPUtime=69.99
/proc/5503/stat : 5503 (bsolo) R 5501 5503 5458 0 -1 0 37587 0 0 0 6960 39 0 0 25 0 1 0 186516638 157364224 37498 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5503/statm: 38419 37499 296 55 0 37311 0
Current children cumulated CPU time (s) 69.99
Current children cumulated vsize (Kb) 153676

Child status: 20
Real time (s): 79.2293
CPU time (s): 79.177
CPU user time (s): 78.719
CPU system time (s): 0.45793
CPU usage (%): 99.934
Max. virtual memory (cumulated for all children) (Kb): 153676

Launcher Data (download as text)

Begin job on node68 on Fri Jun  2 00:34:31 UTC 2006


FILE ID= 39442-1149208471

PBS_JOBID= 293497

BENCH NAME= ROOT/tmp/node68/39442-1149208471/instance-39442-1149208471.opb
COMMAND LINE= ROOT/solvers/PB/PB06final/user10/bsolo ROOT/tmp/node68/39442-1149208471/instance-39442-1149208471.opb
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node68/watcher-39442-1149208471 -o ROOT/results/node68/solver-39442-1149208471 -C 1800 -M 1800 -S 64  ROOT/solvers/PB/PB06final/user10/bsolo ROOT/tmp/node68/39442-1149208471/instance-39442-1149208471.opb

MD5SUM SOLVER= 05cada221eb1efaaae980ebc7509e7e8
MD5SUM BENCH=  ab9355d4d11f3d384bbd2382ecf28a15

RANDOM SEED= 970261042


/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	: 5914.62
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	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1435288 kB
Buffers:         34308 kB
Cached:         509000 kB
SwapCached:       2936 kB
Active:         101204 kB
Inactive:       451380 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1435288 kB
SwapTotal:     4192956 kB
SwapFree:      4182324 kB
Dirty:             252 kB
Writeback:           0 kB
Mapped:          15576 kB
Slab:            54128 kB
Committed_AS:   161264 kB
PageTables:       1400 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB


End job on node68 on Fri Jun  2 00:35:50 UTC 2006