Trace number 2667737

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
PB/CT 0.1SAT 9.75252 9.75469

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_500_25_5_15.opb
MD5SUMb33a935d423c3fea7f6ee6702f232aa4
Bench CategoryDEC-SMALLINT-NLC (no optimisation, small integers, non 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 benchmark2.05069
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1000
Total number of constraints1502
Number of constraints which are clauses500
Number of constraints which are cardinality constraints (but not clauses)1
Number of constraints which are nor clauses,nor cardinality constraints1001
Minimum length of a constraint2
Maximum length of a constraint1000
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 15
Number of bits of the biggest number in a constraint 4
Biggest sum of numbers in a constraint 1000
Number of bits of the biggest sum of numbers10
Number of products (including duplicates)31412
Sum of products size (including duplicates)62824
Number of different products15706
Sum of products size31412

Solver Data 

0.00/0.00	c PB/CT 0.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.29/0.39	c constraints 16708/0 clauses 16206/0 units 0
0.29/0.39	c vars 1000
7.49/7.55	c 7.01493 458.746 89 19466
7.49/7.55	s SATISFIABLE
7.49/7.55	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 -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 -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 -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 -x106 -x107 -x108 -x109 -x110 -x111 -x112 -x113 -x114 -x115 -x116 -x117 -x118 -x119 -x120 -x121 -x122 -x123 -x124 -x125 -x126 x127 -x128 -x129 -x130 -x131 -x132 -x133 -x134 -x135 -x136 -x137 -x138 -x139 -x140 -x141 x142 -x143 -x144 -x145 -x146 -x147 -x148 -x149 -x150 -x151 -x152 -x153 -x154 -x155 -x156 x157 x158 x159 x160 x161 x162 x163 -x164 -x165 x166 x167 x168 x169 x170 -x171 -x172 -x173 -x174 -x175 -x176 -x177 -x178 -x179 -x180 -x181 -x182 -x183 -x184 -x185 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Verifier Data 

OK	0

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2667737-1276679160/watcher-2667737-1276679160 -o /tmp/evaluation-result-2667737-1276679160/solver-2667737-1276679160 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2667737-1276679160.opb 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.87 0.97 0.99 3/106 15324
/proc/meminfo: memFree=1755680/2059040 swapFree=4192956/4192956
[pid=15324] ppid=15322 vsize=2340 CPUtime=0
/proc/15324/stat : 15324 (pbct) R 15322 15324 14955 0 -1 4202496 303 0 0 0 0 0 0 0 20 0 1 0 9208446 2396160 225 1992294400 134512640 136485738 4294556448 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15324/statm: 585 225 156 482 0 101 0

[startup+0.04122 s]
/proc/loadavg: 0.87 0.97 0.99 3/106 15324
/proc/meminfo: memFree=1755680/2059040 swapFree=4192956/4192956
[pid=15324] ppid=15322 vsize=3264 CPUtime=0.03
/proc/15324/stat : 15324 (pbct) R 15322 15324 14955 0 -1 4202496 528 0 0 0 3 0 0 0 20 0 1 0 9208446 3342336 450 1992294400 134512640 136485738 4294556448 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15324/statm: 816 450 156 482 0 332 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 3264

[startup+0.101226 s]
/proc/loadavg: 0.87 0.97 0.99 3/106 15324
/proc/meminfo: memFree=1755680/2059040 swapFree=4192956/4192956
[pid=15324] ppid=15322 vsize=4716 CPUtime=0.09
/proc/15324/stat : 15324 (pbct) R 15322 15324 14955 0 -1 4202496 894 0 0 0 9 0 0 0 20 0 1 0 9208446 4829184 816 1992294400 134512640 136485738 4294556448 18446744073709551615 135177438 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15324/statm: 1179 816 156 482 0 695 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4716

[startup+0.301248 s]
/proc/loadavg: 0.87 0.97 0.99 3/106 15324
/proc/meminfo: memFree=1755680/2059040 swapFree=4192956/4192956
[pid=15324] ppid=15322 vsize=9672 CPUtime=0.29
/proc/15324/stat : 15324 (pbct) R 15322 15324 14955 0 -1 4202496 2107 0 0 0 29 0 0 0 20 0 1 0 9208446 9904128 2029 1992294400 134512640 136485738 4294556448 18446744073709551615 135857078 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15324/statm: 2418 2029 156 482 0 1934 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9672

[startup+0.701291 s]
/proc/loadavg: 0.87 0.97 0.99 3/106 15324
/proc/meminfo: memFree=1755680/2059040 swapFree=4192956/4192956
[pid=15324] ppid=15322 vsize=42288 CPUtime=0.69
/proc/15324/stat : 15324 (pbct) R 15322 15324 14955 0 -1 4202496 10339 0 0 0 65 4 0 0 20 0 1 0 9208446 43302912 10162 1992294400 134512640 136485738 4294556448 18446744073709551615 134760968 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15324/statm: 10572 10163 191 482 0 10088 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 42288

[startup+1.50138 s]
/proc/loadavg: 0.87 0.97 0.99 2/107 15325
/proc/meminfo: memFree=1692060/2059040 swapFree=4192956/4192956
[pid=15324] ppid=15322 vsize=99536 CPUtime=1.49
/proc/15324/stat : 15324 (pbct) R 15322 15324 14955 0 -1 4202496 25548 0 0 0 136 13 0 0 22 0 1 0 9208446 101924864 24191 1992294400 134512640 136485738 4294556448 18446744073709551615 134724743 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15324/statm: 24884 24192 196 482 0 24400 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 99536

[startup+3.10155 s]
/proc/loadavg: 0.87 0.97 0.99 2/107 15325
/proc/meminfo: memFree=1625844/2059040 swapFree=4192956/4192956
[pid=15324] ppid=15322 vsize=190344 CPUtime=3.09
/proc/15324/stat : 15324 (pbct) R 15322 15324 14955 0 -1 4202496 50048 0 0 0 286 23 0 0 25 0 1 0 9208446 194912256 46829 1992294400 134512640 136485738 4294556448 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15324/statm: 47586 46830 196 482 0 47102 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 190344

[startup+6.30091 s]
/proc/loadavg: 0.88 0.97 0.99 2/107 15325
/proc/meminfo: memFree=1358376/2059040 swapFree=4192956/4192956
[pid=15324] ppid=15322 vsize=425176 CPUtime=6.29
/proc/15324/stat : 15324 (pbct) R 15322 15324 14955 0 -1 4202496 111346 0 0 0 581 48 0 0 25 0 1 0 9208446 435380224 102735 1992294400 134512640 136485738 4294556448 18446744073709551615 135856871 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15324/statm: 106294 102735 208 482 0 105810 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 425176

Solver just ended. Dumping a history of the last processes samples

[startup+7.90108 s]
/proc/loadavg: 0.88 0.97 0.99 2/107 15325
/proc/meminfo: memFree=1307288/2059040 swapFree=4192956/4192956
[pid=15324] ppid=15322 vsize=445444 CPUtime=7.89
/proc/15324/stat : 15324 (pbct) R 15322 15324 14955 0 -1 4202496 122585 0 0 0 735 54 0 0 25 0 1 0 9208446 456134656 108657 1992294400 134512640 136485738 4294556448 18446744073709551615 135839892 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15324/statm: 111361 108657 246 482 0 110877 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 445444

[startup+8.70117 s]
/proc/loadavg: 0.88 0.97 0.99 2/107 15327
/proc/meminfo: memFree=1332336/2059040 swapFree=4192956/4192956
[pid=15324] ppid=15322 vsize=432460 CPUtime=8.69
/proc/15324/stat : 15324 (pbct) R 15322 15324 14955 0 -1 4202496 122585 0 0 0 815 54 0 0 25 0 1 0 9208446 442839040 105626 1992294400 134512640 136485738 4294556448 18446744073709551615 134720130 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15324/statm: 108115 105626 246 482 0 107631 0
Current children cumulated CPU time (s) 8.69
Current children cumulated vsize (KiB) 432460

[startup+9.50126 s]
/proc/loadavg: 0.88 0.97 0.99 2/107 15327
/proc/meminfo: memFree=1332336/2059040 swapFree=4192956/4192956
[pid=15324] ppid=15322 vsize=431688 CPUtime=9.49
/proc/15324/stat : 15324 (pbct) R 15322 15324 14955 0 -1 4202496 122585 0 0 0 895 54 0 0 25 0 1 0 9208446 442048512 105433 1992294400 134512640 136485738 4294556448 18446744073709551615 135856849 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15324/statm: 107922 105433 246 482 0 107438 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 431688

[startup+9.70128 s]
/proc/loadavg: 0.88 0.97 0.99 2/107 15327
/proc/meminfo: memFree=1332336/2059040 swapFree=4192956/4192956
[pid=15324] ppid=15322 vsize=407616 CPUtime=9.68
/proc/15324/stat : 15324 (pbct) R 15322 15324 14955 0 -1 4202496 122585 0 0 0 914 54 0 0 25 0 1 0 9208446 417398784 101559 1992294400 134512640 136485738 4294556448 18446744073709551615 135839991 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15324/statm: 101904 101559 246 482 0 101420 0
Current children cumulated CPU time (s) 9.68
Current children cumulated vsize (KiB) 407616

Child status: 0
Real time (s): 9.75469
CPU time (s): 9.75252
CPU user time (s): 9.16261
CPU system time (s): 0.58991
CPU usage (%): 99.9777
Max. virtual memory (cumulated for all children) (KiB): 469752

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.16261
system time used= 0.58991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 122586
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 1
involuntary context switches= 20

runsolver used 0.029995 second user time and 0.045993 second system time

The end

Launcher Data 

Begin job on node042 at 2010-06-16 11:06:00
IDJOB=2667737
IDBENCH=48325
IDSOLVER=1170
FILE ID=node042/2667737-1276679160
PBS_JOBID= 11172555
Free space on /tmp= 62580 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_500_25_5_15.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2667737-1276679160/watcher-2667737-1276679160 -o /tmp/evaluation-result-2667737-1276679160/solver-2667737-1276679160 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2667737-1276679160.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= b33a935d423c3fea7f6ee6702f232aa4
RANDOM SEED=1867709812

node042.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/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		: 3000.213
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.42
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		: 3000.213
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.45
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1756208 kB
Buffers:         61304 kB
Cached:         116424 kB
SwapCached:          0 kB
Active:          93156 kB
Inactive:       144024 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1756208 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            2464 kB
Writeback:           0 kB
AnonPages:       59368 kB
Mapped:          15376 kB
Slab:            43880 kB
PageTables:       4124 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   184132 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62580 MiB
End job on node042 at 2010-06-16 11:06:09