Trace number 39504

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 2006/05SAT 38.4462 38.5339

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1110974553.opb
MD5SUMa8a51c2e735c1a05850a59dcf05a69f7
Bench CategorySATUNSAT-SMALLINT-LIN (no optimisation, small integers, linear constraints)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.027995
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
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 1165
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
0.07	c INFO: OSL Context initialized.
0.08	c Initial problem consists of 169 variables and 101 constraints.
0.08	c Using non-optimization problem switches.
0.08	c No problem reductions applied in OPT. instance.
0.08	c	preprocess terminated. Elapsed time: 0.009
0.08	c After prepocess the problem consists of 169 variables and 99 constraints.
0.09	c Restart #1 #Var: 169 LB: 0 @ 0.025
0.13	c Restart #2 #Var: 169 LB: 0 @ 0.058
0.18	c Restart #3 #Var: 169 LB: 0 @ 0.107
0.23	c Restart #4 #Var: 169 LB: 0 @ 0.156
0.29	c Restart #5 #Var: 169 LB: 0 @ 0.223
0.37	c Restart #6 #Var: 169 LB: 0 @ 0.296
0.51	c Restart #7 #Var: 169 LB: 0 @ 0.435
0.64	c Restart #8 #Var: 169 LB: 0 @ 0.573
0.80	c Restart #9 #Var: 169 LB: 0 @ 0.726
1.00	c Restart #10 #Var: 169 LB: 0 @ 0.928
1.21	c Restart #11 #Var: 169 LB: 0 @ 1.135
1.48	c Restart #12 #Var: 169 LB: 0 @ 1.407
1.81	c Restart #13 #Var: 169 LB: 0 @ 1.742
2.14	c Restart #14 #Var: 169 LB: 0 @ 2.064
2.50	c Restart #15 #Var: 169 LB: 0 @ 2.43
2.95	c Restart #16 #Var: 169 LB: 0 @ 2.876
3.38	c Restart #17 #Var: 169 LB: 0 @ 3.313
4.10	c Restart #18 #Var: 169 LB: 0 @ 4.033
4.62	c Restart #19 #Var: 169 LB: 0 @ 4.545
5.51	c Restart #20 #Var: 169 LB: 0 @ 5.437
6.20	c Restart #21 #Var: 169 LB: 0 @ 6.129
6.93	c Restart #22 #Var: 169 LB: 0 @ 6.856
7.82	c Restart #23 #Var: 169 LB: 0 @ 7.748
8.88	c Restart #24 #Var: 169 LB: 0 @ 8.804
10.24	c Restart #25 #Var: 169 LB: 0 @ 10.161
11.66	c Restart #26 #Var: 169 LB: 0 @ 11.582
12.93	c Restart #27 #Var: 169 LB: 0 @ 12.858
15.37	c Restart #28 #Var: 169 LB: 0 @ 15.291
16.82	c Restart #29 #Var: 169 LB: 0 @ 16.741
18.68	c Restart #30 #Var: 169 LB: 0 @ 18.606
21.14	c Restart #31 #Var: 169 LB: 0 @ 21.063
22.89	c Restart #32 #Var: 169 LB: 0 @ 22.813
24.81	c Restart #33 #Var: 169 LB: 0 @ 24.732
27.67	c Restart #34 #Var: 169 LB: 0 @ 27.593
30.47	c Restart #35 #Var: 169 LB: 0 @ 30.394
33.69	c Restart #36 #Var: 168 LB: 0 @ 33.605
37.84	c Restart #37 #Var: 166 LB: 0 @ 37.756
38.51	c Sol. found (all assignments made)...
38.51	o 0
38.51	c NEW SOLUTION FOUND: 0 @ 38.429
38.51	s SATISFIABLE
38.51	c Cost: 0
38.51	v -x1 -x2 -x3 x4 -x5 -x6 -x7 -x8 -x9 -x10 -x11 -x12 -x13 -x14 -x15 -x16 -x17 -x18 -x19 -x20 -x21 x22 -x23 -x24 -x25 -x26 -x27 -x28
38.51	v -x29 -x30 -x31 -x32 -x33 -x34 -x35 -x36 -x37 x38 -x39 -x40 -x41 -x42 -x43 -x44 -x45 -x46 -x47 -x48 x49 -x50 -x51 -x52 -x53 -x54
38.51	v -x55 -x56 -x57 -x58 -x59 -x60 -x61 -x62 -x63 -x64 x65 -x66 x67 -x68 -x69 -x70 -x71 -x72 -x73 -x74 -x75 -x76 -x77 -x78 -x79 -x80
38.51	v -x81 -x82 x83 -x84 -x85 -x86 -x87 -x88 -x89 -x90 -x91 -x92 -x93 -x94 -x95 -x96 -x97 -x98 x99 -x100 -x101 -x102 -x103 -x104 x105
38.51	v -x106 -x107 -x108 -x109 -x110 -x111 -x112 -x113 -x114 -x115 -x116 -x117 -x118 -x119 x120 -x121 -x122 -x123 -x124 -x125 -x126
38.51	v -x127 -x128 -x129 -x130 -x131 -x132 -x133 -x134 -x135 x136 -x137 -x138 -x139 -x140 -x141 -x142 -x143 -x144 -x145 -x146 -x147
38.51	v -x148 -x149 -x150 -x151 -x152 -x153 x154 -x155 -x156 -x157 -x158 -x159 -x160 -x161 -x162 x163 -x164 -x165 -x166 -x167 -x168
38.51	v -x169
38.51	c Exit Code: 10
38.51	c Total time: 38.429 s

Verifier Data (download as text)

OK	0

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/node53/watcher-39504-1149212418 -o ROOT/results/node53/solver-39504-1149212418 -C 1800 -M 1800 -S 64 ROOT/solvers/PB/PB06final/user10/bsolo ROOT/tmp/node53/39504-1149212418/instance-39504-1149212418.opb 

Current StackSize limit: 67108864 bytes

/proc/loadavg: 0.64 0.88 0.88 2/64 11053
/proc/meminfo: memFree=1300296/2055920 swapFree=4181356/4192956
[pid=11053] ppid=11051 vsize=4928 CPUtime=0
/proc/11053/stat : 11053 (bsolo) R 11051 11053 11008 0 -1 0 316 0 0 0 0 0 0 0 19 0 1 0 186909261 5046272 286 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11053/statm: 1232 294 197 55 0 124 0

[startup+10.0026 s]
/proc/loadavg: 0.69 0.88 0.89 2/64 11053
/proc/meminfo: memFree=1255496/2055920 swapFree=4181356/4192956
[pid=11053] ppid=11051 vsize=49324 CPUtime=9.92
/proc/11053/stat : 11053 (bsolo) R 11051 11053 11008 0 -1 0 11571 0 0 0 984 8 0 0 25 0 1 0 186909261 50507776 11486 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11053/statm: 12331 11486 296 55 0 11223 0
Current children cumulated CPU time (s) 9.92
Current children cumulated vsize (Kb) 49324

[startup+20.0087 s]
/proc/loadavg: 0.74 0.89 0.89 2/64 11053
/proc/meminfo: memFree=1232848/2055920 swapFree=4181356/4192956
[pid=11053] ppid=11051 vsize=72048 CPUtime=19.92
/proc/11053/stat : 11053 (bsolo) R 11051 11053 11008 0 -1 0 17237 0 0 0 1978 14 0 0 25 0 1 0 186909261 73777152 17152 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11053/statm: 18012 17152 296 55 0 16904 0
Current children cumulated CPU time (s) 19.92
Current children cumulated vsize (Kb) 72048

[startup+30.0148 s]
/proc/loadavg: 0.78 0.89 0.89 2/64 11053
/proc/meminfo: memFree=1210320/2055920 swapFree=4181356/4192956
[pid=11053] ppid=11051 vsize=94416 CPUtime=29.92
/proc/11053/stat : 11053 (bsolo) R 11051 11053 11008 0 -1 0 22842 0 0 0 2973 19 0 0 25 0 1 0 186909261 96681984 22757 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 134533916 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11053/statm: 23604 22757 296 55 0 22496 0
Current children cumulated CPU time (s) 29.92
Current children cumulated vsize (Kb) 94416

Child status: 10
Real time (s): 38.5339
CPU time (s): 38.4462
CPU user time (s): 38.2112
CPU system time (s): 0.234964
CPU usage (%): 99.7723
Max. virtual memory (cumulated for all children) (Kb): 94416

Launcher Data (download as text)

Begin job on node53 on Fri Jun  2 01:40:18 UTC 2006


FILE ID= 39504-1149212418

PBS_JOBID= 294300

BENCH NAME= ROOT/tmp/node53/39504-1149212418/instance-39504-1149212418.opb
COMMAND LINE= ROOT/solvers/PB/PB06final/user10/bsolo ROOT/tmp/node53/39504-1149212418/instance-39504-1149212418.opb
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node53/watcher-39504-1149212418 -o ROOT/results/node53/solver-39504-1149212418 -C 1800 -M 1800 -S 64  ROOT/solvers/PB/PB06final/user10/bsolo ROOT/tmp/node53/39504-1149212418/instance-39504-1149212418.opb

MD5SUM SOLVER= 05cada221eb1efaaae980ebc7509e7e8
MD5SUM BENCH=  a8a51c2e735c1a05850a59dcf05a69f7

RANDOM SEED= 85368530


/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		: 3000.249
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		: 3000.249
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:       1300504 kB
Buffers:         35344 kB
Cached:         647212 kB
SwapCached:       3632 kB
Active:         349556 kB
Inactive:       342032 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1300504 kB
SwapTotal:     4192956 kB
SwapFree:      4181356 kB
Dirty:             188 kB
Writeback:           0 kB
Mapped:          14900 kB
Slab:            49848 kB
Committed_AS:   215100 kB
PageTables:       1412 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB


End job on node53 on Fri Jun  2 01:40:57 UTC 2006