Trace number 2681332

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 8.97063 8.9724

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_500_25_3_15.opb
MD5SUM3a49e9ca428303ad7abadc0455252e53
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 benchmark2.05969
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)31444
Sum of products size (including duplicates)62888
Number of different products15722
Sum of products size31444

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
0.19/0.29	c constraints 16724/0 clauses 16222/0 units 0
0.19/0.29	c vars 1000
6.79/6.81	c 6.34803 459.074 88 20099
6.79/6.81	s SATISFIABLE
6.79/6.81	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-2681332-1277505358/watcher-2681332-1277505358 -o /tmp/evaluation-result-2681332-1277505358/solver-2681332-1277505358 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681332-1277505358.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: 0.93 0.98 0.99 3/105 29331
/proc/meminfo: memFree=1845924/2059040 swapFree=4139416/4192956
[pid=29331] ppid=29329 vsize=2268 CPUtime=0
/proc/29331/stat : 29331 (pbct) R 29329 29331 29252 0 -1 4202496 298 0 0 0 0 0 0 0 25 0 1 0 91829900 2322432 217 1992294400 134512640 136421960 4288670608 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29331/statm: 567 217 144 467 0 98 0

[startup+0.039266 s]
/proc/loadavg: 0.93 0.98 0.99 3/105 29331
/proc/meminfo: memFree=1845924/2059040 swapFree=4139416/4192956
[pid=29331] ppid=29329 vsize=3324 CPUtime=0.03
/proc/29331/stat : 29331 (pbct) R 29329 29331 29252 0 -1 4202496 545 0 0 0 3 0 0 0 25 0 1 0 91829900 3403776 464 1992294400 134512640 136421960 4288670608 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29331/statm: 831 464 144 467 0 362 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 3324

[startup+0.10127 s]
/proc/loadavg: 0.93 0.98 0.99 3/105 29331
/proc/meminfo: memFree=1845924/2059040 swapFree=4139416/4192956
[pid=29331] ppid=29329 vsize=4908 CPUtime=0.09
/proc/29331/stat : 29331 (pbct) R 29329 29331 29252 0 -1 4202496 956 0 0 0 9 0 0 0 25 0 1 0 91829900 5025792 875 1992294400 134512640 136421960 4288670608 18446744073709551615 135154704 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29331/statm: 1227 875 144 467 0 758 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4908

[startup+0.301292 s]
/proc/loadavg: 0.93 0.98 0.99 3/105 29331
/proc/meminfo: memFree=1845924/2059040 swapFree=4139416/4192956
[pid=29331] ppid=29329 vsize=12620 CPUtime=0.29
/proc/29331/stat : 29331 (pbct) R 29329 29331 29252 0 -1 4202496 2846 0 0 0 28 1 0 0 25 0 1 0 91829900 12922880 2765 1992294400 134512640 136421960 4288670608 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29331/statm: 3155 2767 188 467 0 2686 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12620

[startup+0.701335 s]
/proc/loadavg: 0.93 0.98 0.99 3/105 29331
/proc/meminfo: memFree=1845924/2059040 swapFree=4139416/4192956
[pid=29331] ppid=29329 vsize=53484 CPUtime=0.69
/proc/29331/stat : 29331 (pbct) R 29329 29331 29252 0 -1 4202496 13321 0 0 0 64 5 0 0 25 0 1 0 91829900 54767616 12767 1992294400 134512640 136421960 4288670608 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29331/statm: 13371 12768 188 467 0 12902 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 53484

[startup+1.50142 s]
/proc/loadavg: 0.93 0.98 0.99 2/106 29332
/proc/meminfo: memFree=1770896/2059040 swapFree=4139416/4192956
[pid=29331] ppid=29329 vsize=113988 CPUtime=1.49
/proc/29331/stat : 29331 (pbct) R 29329 29331 29252 0 -1 4202496 29582 0 0 0 137 12 0 0 25 0 1 0 91829900 116723712 28029 1992294400 134512640 136421960 4288670608 18446744073709551615 134597747 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29331/statm: 28497 28030 193 467 0 28028 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 113988

[startup+3.10159 s]
/proc/loadavg: 0.93 0.98 0.99 2/106 29332
/proc/meminfo: memFree=1692652/2059040 swapFree=4139416/4192956
[pid=29331] ppid=29329 vsize=233800 CPUtime=3.09
/proc/29331/stat : 29331 (pbct) R 29329 29331 29252 0 -1 4202496 61410 0 0 0 284 25 0 0 25 0 1 0 91829900 239411200 55624 1992294400 134512640 136421960 4288670608 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29331/statm: 58450 55624 193 467 0 57981 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 233800

[startup+6.30093 s]
/proc/loadavg: 0.93 0.98 0.99 2/106 29332
/proc/meminfo: memFree=1435972/2059040 swapFree=4139416/4192956
[pid=29331] ppid=29329 vsize=468832 CPUtime=6.29
/proc/29331/stat : 29331 (pbct) R 29329 29331 29252 0 -1 4202496 122301 0 0 0 584 45 0 0 25 0 1 0 91829900 480083968 113060 1992294400 134512640 136421960 4288670608 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29331/statm: 117208 113060 213 467 0 116739 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 468832

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

[startup+7.9011 s]
/proc/loadavg: 0.94 0.98 0.99 2/106 29332
/proc/meminfo: memFree=1422208/2059040 swapFree=4139416/4192956
[pid=29331] ppid=29329 vsize=432788 CPUtime=7.88
/proc/29331/stat : 29331 (pbct) R 29329 29331 29252 0 -1 4202496 122690 0 0 0 742 46 0 0 25 0 1 0 91829900 443174912 105718 1992294400 134512640 136421960 4288670608 18446744073709551615 135818268 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29331/statm: 108197 105718 239 467 0 107728 0
Current children cumulated CPU time (s) 7.88
Current children cumulated vsize (KiB) 432788

[startup+8.70119 s]
/proc/loadavg: 0.94 0.98 0.99 2/106 29332
/proc/meminfo: memFree=1422952/2059040 swapFree=4139416/4192956
[pid=29331] ppid=29329 vsize=432016 CPUtime=8.69
/proc/29331/stat : 29331 (pbct) R 29329 29331 29252 0 -1 4202496 122690 0 0 0 823 46 0 0 25 0 1 0 91829900 442384384 105525 1992294400 134512640 136421960 4288670608 18446744073709551615 135818225 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29331/statm: 108004 105525 239 467 0 107535 0
Current children cumulated CPU time (s) 8.69
Current children cumulated vsize (KiB) 432016

[startup+8.90121 s]
/proc/loadavg: 0.94 0.98 0.99 2/106 29332
/proc/meminfo: memFree=1422952/2059040 swapFree=4139416/4192956
[pid=29331] ppid=29329 vsize=407924 CPUtime=8.89
/proc/29331/stat : 29331 (pbct) R 29329 29331 29252 0 -1 4202496 122690 0 0 0 842 47 0 0 25 0 1 0 91829900 417714176 101646 1992294400 134512640 136421960 4288670608 18446744073709551615 135801307 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29331/statm: 101981 101646 239 467 0 101512 0
Current children cumulated CPU time (s) 8.89
Current children cumulated vsize (KiB) 407924

Child status: 0
Real time (s): 8.9724
CPU time (s): 8.97063
CPU user time (s): 8.45671
CPU system time (s): 0.513921
CPU usage (%): 99.9803
Max. virtual memory (cumulated for all children) (KiB): 470088

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 8.45671
system time used= 0.513921
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 122691
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= 102

runsolver used 0.016997 second user time and 0.049992 second system time

The end

Launcher Data

Begin job on node081 at 2010-06-26 00:35:58
IDJOB=2681332
IDBENCH=48326
IDSOLVER=1192
FILE ID=node081/2681332-1277505358
PBS_JOBID= 11190612
Free space on /tmp= 121784 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_500_25_3_15.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2681332-1277505358/watcher-2681332-1277505358 -o /tmp/evaluation-result-2681332-1277505358/solver-2681332-1277505358 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681332-1277505358.opb

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

MD5SUM BENCH= 3a49e9ca428303ad7abadc0455252e53
RANDOM SEED=137487516

node081.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		: 3000.212
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		: 3000.212
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	: 5999.41
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1846452 kB
Buffers:         35224 kB
Cached:          80984 kB
SwapCached:       5932 kB
Active:          60752 kB
Inactive:        68088 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1846452 kB
SwapTotal:     4192956 kB
SwapFree:      4139416 kB
Dirty:            2708 kB
Writeback:           0 kB
AnonPages:       11500 kB
Mapped:          11896 kB
Slab:            61676 kB
PageTables:       4076 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181396 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264964 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 121784 MiB
End job on node081 at 2010-06-26 00:36:07