Trace number 2681331

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 0.1 fixedSAT 9.24259 9.24571

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 0.1.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.29/0.31	c constraints 16708/0 clauses 16206/0 units 0
0.29/0.31	c vars 1000
6.99/7.05	c 6.566 458.68 89 19466
6.99/7.05	s SATISFIABLE
6.99/7.05	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-2681331-1277505357/watcher-2681331-1277505357 -o /tmp/evaluation-result-2681331-1277505357/solver-2681331-1277505357 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681331-1277505357.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: 1.08 1.04 1.00 3/106 31076
/proc/meminfo: memFree=1860360/2059040 swapFree=4139836/4192956
[pid=31076] ppid=31074 vsize=2268 CPUtime=0
/proc/31076/stat : 31076 (pbct) R 31074 31076 30997 0 -1 4202496 295 0 0 0 0 0 0 0 20 0 1 0 91827989 2322432 214 1992294400 134512640 136421960 4290493328 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31076/statm: 567 214 144 467 0 98 0

[startup+0.046536 s]
/proc/loadavg: 1.08 1.04 1.00 3/106 31076
/proc/meminfo: memFree=1860360/2059040 swapFree=4139836/4192956
[pid=31076] ppid=31074 vsize=3456 CPUtime=0.04
/proc/31076/stat : 31076 (pbct) R 31074 31076 30997 0 -1 4202496 575 0 0 0 4 0 0 0 20 0 1 0 91827989 3538944 494 1992294400 134512640 136421960 4290493328 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31076/statm: 864 494 144 467 0 395 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 3456

[startup+0.101545 s]
/proc/loadavg: 1.08 1.04 1.00 3/106 31076
/proc/meminfo: memFree=1860360/2059040 swapFree=4139836/4192956
[pid=31076] ppid=31074 vsize=4776 CPUtime=0.09
/proc/31076/stat : 31076 (pbct) R 31074 31076 30997 0 -1 4202496 916 0 0 0 9 0 0 0 20 0 1 0 91827989 4890624 835 1992294400 134512640 136421960 4290493328 18446744073709551615 135822081 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31076/statm: 1194 835 144 467 0 725 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4776

[startup+0.301582 s]
/proc/loadavg: 1.08 1.04 1.00 3/106 31076
/proc/meminfo: memFree=1860360/2059040 swapFree=4139836/4192956
[pid=31076] ppid=31074 vsize=11316 CPUtime=0.29
/proc/31076/stat : 31076 (pbct) R 31074 31076 30997 0 -1 4202496 2561 0 0 0 28 1 0 0 20 0 1 0 91827989 11587584 2480 1992294400 134512640 136421960 4290493328 18446744073709551615 134536245 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31076/statm: 2829 2481 145 467 0 2360 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11316

[startup+0.701654 s]
/proc/loadavg: 1.08 1.04 1.00 3/106 31076
/proc/meminfo: memFree=1860360/2059040 swapFree=4139836/4192956
[pid=31076] ppid=31074 vsize=50032 CPUtime=0.69
/proc/31076/stat : 31076 (pbct) R 31074 31076 30997 0 -1 4202496 12440 0 0 0 64 5 0 0 21 0 1 0 91827989 51232768 11886 1992294400 134512640 136421960 4290493328 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31076/statm: 12508 11887 188 467 0 12039 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 50032

[startup+1.5018 s]
/proc/loadavg: 1.07 1.04 1.00 2/107 31077
/proc/meminfo: memFree=1789052/2059040 swapFree=4139836/4192956
[pid=31076] ppid=31074 vsize=108152 CPUtime=1.49
/proc/31076/stat : 31076 (pbct) R 31074 31076 30997 0 -1 4202496 28018 0 0 0 137 12 0 0 23 0 1 0 91827989 110747648 26465 1992294400 134512640 136421960 4290493328 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31076/statm: 27038 26466 193 467 0 26569 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 108152

[startup+3.10109 s]
/proc/loadavg: 1.07 1.04 1.00 2/107 31077
/proc/meminfo: memFree=1716016/2059040 swapFree=4139836/4192956
[pid=31076] ppid=31074 vsize=212580 CPUtime=3.09
/proc/31076/stat : 31076 (pbct) R 31074 31076 30997 0 -1 4202496 55960 0 0 0 286 23 0 0 25 0 1 0 91827989 217681920 52738 1992294400 134512640 136421960 4290493328 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31076/statm: 53145 52738 193 467 0 52676 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 212580

[startup+6.30167 s]
/proc/loadavg: 1.07 1.04 1.00 2/107 31077
/proc/meminfo: memFree=1454128/2059040 swapFree=4139836/4192956
[pid=31076] ppid=31074 vsize=460176 CPUtime=6.29
/proc/31076/stat : 31076 (pbct) R 31074 31076 30997 0 -1 4202496 120275 0 0 0 583 46 0 0 25 0 1 0 91827989 471220224 111036 1992294400 134512640 136421960 4290493328 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31076/statm: 115044 111037 208 467 0 114575 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 460176

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

[startup+7.90096 s]
/proc/loadavg: 1.07 1.04 1.00 2/107 31077
/proc/meminfo: memFree=1424864/2059040 swapFree=4139836/4192956
[pid=31076] ppid=31074 vsize=432392 CPUtime=7.89
/proc/31076/stat : 31076 (pbct) R 31074 31076 30997 0 -1 4202496 122581 0 0 0 741 48 0 0 25 0 1 0 91827989 442769408 105619 1992294400 134512640 136421960 4290493328 18446744073709551615 134701435 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31076/statm: 108098 105619 239 467 0 107629 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 432392

[startup+8.70111 s]
/proc/loadavg: 1.07 1.04 1.00 2/107 31077
/proc/meminfo: memFree=1437016/2059040 swapFree=4139836/4192956
[pid=31076] ppid=31074 vsize=432392 CPUtime=8.69
/proc/31076/stat : 31076 (pbct) R 31074 31076 30997 0 -1 4202496 122581 0 0 0 821 48 0 0 25 0 1 0 91827989 442769408 105619 1992294400 134512640 136421960 4290493328 18446744073709551615 135801367 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31076/statm: 108098 105619 239 467 0 107629 0
Current children cumulated CPU time (s) 8.69
Current children cumulated vsize (KiB) 432392

[startup+9.10118 s]
/proc/loadavg: 1.07 1.04 1.00 2/107 31077
/proc/meminfo: memFree=1437016/2059040 swapFree=4139836/4192956
[pid=31076] ppid=31074 vsize=407548 CPUtime=9.09
/proc/31076/stat : 31076 (pbct) R 31074 31076 30997 0 -1 4202496 122581 0 0 0 861 48 0 0 25 0 1 0 91827989 417329152 101552 1992294400 134512640 136421960 4290493328 18446744073709551615 135801163 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31076/statm: 101887 101552 239 467 0 101418 0
Current children cumulated CPU time (s) 9.09
Current children cumulated vsize (KiB) 407548

[startup+9.2012 s]
/proc/loadavg: 1.07 1.04 1.00 2/107 31077
/proc/meminfo: memFree=1437016/2059040 swapFree=4139836/4192956
[pid=31076] ppid=31074 vsize=406516 CPUtime=9.19
/proc/31076/stat : 31076 (pbct) R 31074 31076 30997 0 -1 4202496 122581 0 0 0 871 48 0 0 25 0 1 0 91827989 416272384 101362 1992294400 134512640 136421960 4290493328 18446744073709551615 134514181 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31076/statm: 101629 101362 239 467 0 101160 0
Current children cumulated CPU time (s) 9.19
Current children cumulated vsize (KiB) 406516

Child status: 0
Real time (s): 9.24571
CPU time (s): 9.24259
CPU user time (s): 8.71567
CPU system time (s): 0.526919
CPU usage (%): 99.9663
Max. virtual memory (cumulated for all children) (KiB): 469684

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 8.71567
system time used= 0.526919
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 122582
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= 21

runsolver used 0.016997 second user time and 0.050992 second system time

The end

Launcher Data 

Begin job on node044 at 2010-06-26 00:35:57
IDJOB=2681331
IDBENCH=48325
IDSOLVER=1192
FILE ID=node044/2681331-1277505357
PBS_JOBID= 11190611
Free space on /tmp= 62224 MiB

SOLVER NAME= PB/CT 0.1 fixed
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-2681331-1277505357/watcher-2681331-1277505357 -o /tmp/evaluation-result-2681331-1277505357/solver-2681331-1277505357 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681331-1277505357.opb

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

MD5SUM BENCH= b33a935d423c3fea7f6ee6702f232aa4
RANDOM SEED=747337765

node044.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		: 3000.266
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	: 6000.53
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		: 3000.266
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	: 5599.46
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1860764 kB
Buffers:         35264 kB
Cached:          86376 kB
SwapCached:       6152 kB
Active:          63036 kB
Inactive:        71620 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1860764 kB
SwapTotal:     4192956 kB
SwapFree:      4139836 kB
Dirty:            2472 kB
Writeback:           0 kB
AnonPages:       11740 kB
Mapped:          12012 kB
Slab:            41480 kB
PageTables:       4168 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180920 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= 62220 MiB
End job on node044 at 2010-06-26 00:36:06