Trace number 2695997

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 NameAnswerobjective functionCPU timeWall clock time
pb_cplex 2010-06-29OPT259 3.59845 2.80941

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB05/
manquinho/logic-synthesis/normalized-max1024.pi.opb
MD5SUM93fc03471d2b2f18ece1d77179dbcb30
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark259
Best CPU time to get the best result obtained on this benchmark3.59845
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 259
Optimality of the best value was proved YES
Number of variables1278
Total number of constraints1087
Number of constraints which are clauses1087
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint18
Number of terms in the objective function 1278
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 1278
Number of bits of the sum of numbers in the objective function 11
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 1278
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 

0.00/0.00	c pb_cplex 1.0 - 20100701
0.00/0.00	c Parsing opb file format. File HOME/instance-2695997-1278017957.opb.
0.00/0.00	c Instance file HOME/instance-2695997-1278017957.opb
0.00/0.00	c File size is 74860 bytes.
0.00/0.44	c Highest Coefficient sum: 19
0.00/0.44	c  IBM ILOG License Manager: "IBM ILOG Optimization Suite for Academic Initiative" is accessing CPLEX 12 with option(s): "e m b q ".
0.00/0.45	c ============================[ Problem Statistics ]=============================
0.00/0.45	c |                                                                             |
0.00/0.45	c |  Parsing time:          0.45         s                                      |
0.00/0.45	c |  Number Variables:      1278                                                |
0.00/0.45	c |  Number Constraints:    1087                                                |
0.00/0.45	c ===============================================================================
3.58/2.80	c Remaining time 1799.55 sec.
3.58/2.80	s OPTIMUM FOUND
3.58/2.80	c Solution value = 259.00
3.58/2.80	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 -x186 -x187 x188 -x189 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-x1189 -x1190 -x1191 -x1192 x1193 -x1194 -x1195 -x1196 -x1197 -x1198 x1199 -x1200 x1201 x1202 -x1203 -x1204 -x1205 -x1206 -x1207 -x1208 -x1209 -x1210 x1211 -x1212 -x1213 -x1214 x1215 -x1216 -x1217 x1218 -x1219 -x1220 -x1221 -x1222 -x1223 -x1224 x1225 -x1226 -x1227 -x1228 -x1229 -x1230 -x1231 -x1232 -x1233 -x1234 x1235 -x1236 -x1237 -x1238 -x1239 -x1240 -x1241 -x1242 -x1243 -x1244 x1245 -x1246 -x1247 -x1248 -x1249 -x1250 x1251 -x1252 -x1253 x1254 -x1255 x1256 x1257 x1258 x1259 x1260 -x1261 -x1262 -x1263 -x1264 -x1265 x1266 x1267 -x1268 -x1269 -x1270 -x1271 x1272 -x1273 -x1274 -x1275 -x1276 -x1277 -x1278
3.58/2.80	c Total CPU time              : 3.55946 s

Verifier Data 

OK	259

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2695997-1278017957/watcher-2695997-1278017957 -o /tmp/evaluation-result-2695997-1278017957/solver-2695997-1278017957 -C 1800 -W 2000 -M 1800 run HOME/instance-2695997-1278017957.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: 1.00 1.00 1.00 3/106 30378
/proc/meminfo: memFree=1514308/2059040 swapFree=4139792/4192956
[pid=30378] ppid=30376 vsize=8700 CPUtime=0
/proc/30378/stat : 30378 (run) S 30376 30378 29700 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 143086704 8908800 248 1992294400 4194304 4922060 140736276999264 18446744073709551615 208965049477 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30378/statm: 2175 248 208 178 0 68 0

[startup+0.051477 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 30378
/proc/meminfo: memFree=1514308/2059040 swapFree=4139792/4192956
[pid=30378] ppid=30376 vsize=8700 CPUtime=0
/proc/30378/stat : 30378 (run) S 30376 30378 29700 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 143086704 8908800 248 1992294400 4194304 4922060 140736276999264 18446744073709551615 208965049477 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30378/statm: 2175 248 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.101484 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 30378
/proc/meminfo: memFree=1514308/2059040 swapFree=4139792/4192956
[pid=30378] ppid=30376 vsize=8700 CPUtime=0
/proc/30378/stat : 30378 (run) S 30376 30378 29700 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 143086704 8908800 248 1992294400 4194304 4922060 140736276999264 18446744073709551615 208965049477 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30378/statm: 2175 248 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.300518 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 30378
/proc/meminfo: memFree=1514308/2059040 swapFree=4139792/4192956
[pid=30378] ppid=30376 vsize=8700 CPUtime=0
/proc/30378/stat : 30378 (run) S 30376 30378 29700 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 143086704 8908800 248 1992294400 4194304 4922060 140736276999264 18446744073709551615 208965049477 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30378/statm: 2175 248 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.700598 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 30378
/proc/meminfo: memFree=1514308/2059040 swapFree=4139792/4192956
[pid=30378] ppid=30376 vsize=8700 CPUtime=0
/proc/30378/stat : 30378 (run) S 30376 30378 29700 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 143086704 8908800 248 1992294400 4194304 4922060 140736276999264 18446744073709551615 208965049477 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30378/statm: 2175 248 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+1.50072 s]
/proc/loadavg: 1.00 1.00 1.00 2/108 30380
/proc/meminfo: memFree=1508712/2059040 swapFree=4139792/4192956
[pid=30378] ppid=30376 vsize=8700 CPUtime=0
/proc/30378/stat : 30378 (run) S 30376 30378 29700 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 143086704 8908800 248 1992294400 4194304 4922060 140736276999264 18446744073709551615 208965049477 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30378/statm: 2175 248 208 178 0 68 0
[pid=30379] ppid=30378 vsize=21152 CPUtime=1.49
/proc/30379/stat : 30379 (pb_cplex) R 30378 30378 29700 0 -1 4202496 3938 0 0 0 148 1 0 0 19 0 1 0 143086704 21659648 2304 1992294400 134512640 146736320 4291238576 18446744073709551615 144716523 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30379/statm: 5288 2313 1036 2985 0 1830 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 29852

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

[startup+2.30086 s]
/proc/loadavg: 1.00 1.00 1.00 4/109 30382
/proc/meminfo: memFree=1504860/2059040 swapFree=4139792/4192956
[pid=30378] ppid=30376 vsize=8700 CPUtime=0
/proc/30378/stat : 30378 (run) S 30376 30378 29700 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 143086704 8908800 248 1992294400 4194304 4922060 140736276999264 18446744073709551615 208965049477 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30378/statm: 2175 248 208 178 0 68 0
[pid=30379] ppid=30378 vsize=36452 CPUtime=2.68
/proc/30379/stat : 30379 (pb_cplex) R 30378 30378 29700 0 -1 4202496 5158 0 0 0 266 2 0 0 20 0 2 0 143086704 37326848 3268 1992294400 134512640 146736320 4291238576 18446744073709551615 144757825 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/30379/statm: 9113 3268 1067 2985 0 5655 0
[pid=30379/tid=30382] ppid=30378 vsize=36452 CPUtime=0.58
/proc/30379/task/30382/stat : 30382 (pb_cplex) R 30378 30378 29700 0 -1 4202560 280 0 0 0 58 0 0 0 17 0 2 0 143086861 37326848 3268 1992294400 134512640 146736320 4291238576 18446744073709551615 136008391 0 2 4096 16387 0 0 0 -1 0 0 0 0
Current children cumulated CPU time (s) 2.68
Current children cumulated vsize (KiB) 45152

[startup+2.70093 s]
/proc/loadavg: 1.00 1.00 1.00 4/109 30382
/proc/meminfo: memFree=1504860/2059040 swapFree=4139792/4192956
[pid=30378] ppid=30376 vsize=8700 CPUtime=0
/proc/30378/stat : 30378 (run) S 30376 30378 29700 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 143086704 8908800 248 1992294400 4194304 4922060 140736276999264 18446744073709551615 208965049477 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30378/statm: 2175 248 208 178 0 68 0
[pid=30379] ppid=30378 vsize=36452 CPUtime=3.46
/proc/30379/stat : 30379 (pb_cplex) R 30378 30378 29700 0 -1 4202496 5158 0 0 0 343 3 0 0 18 0 2 0 143086704 37326848 3268 1992294400 134512640 146736320 4291238576 18446744073709551615 144757825 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/30379/statm: 9113 3268 1067 2985 0 5655 0
[pid=30379/tid=30382] ppid=30378 vsize=36452 CPUtime=0.96
/proc/30379/task/30382/stat : 30382 (pb_cplex) R 30378 30378 29700 0 -1 4202560 280 0 0 0 95 1 0 0 17 0 2 0 143086861 37326848 3268 1992294400 134512640 146736320 4291238576 18446744073709551615 136385183 0 2 4096 16387 0 0 0 -1 0 0 0 0
Current children cumulated CPU time (s) 3.46
Current children cumulated vsize (KiB) 45152

[startup+2.80094 s]
/proc/loadavg: 1.00 1.00 1.00 4/109 30382
/proc/meminfo: memFree=1504860/2059040 swapFree=4139792/4192956
[pid=30378] ppid=30376 vsize=8700 CPUtime=0
/proc/30378/stat : 30378 (run) S 30376 30378 29700 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 143086704 8908800 248 1992294400 4194304 4922060 140736276999264 18446744073709551615 208965049477 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30378/statm: 2175 248 208 178 0 68 0
[pid=30379] ppid=30378 vsize=36452 CPUtime=3.58
/proc/30379/stat : 30379 (pb_cplex) R 30378 30378 29700 0 -1 4202496 5161 0 0 0 355 3 0 0 18 0 2 0 143086704 37326848 3271 1992294400 134512640 146736320 4291238576 18446744073709551615 144757825 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/30379/statm: 9113 3271 1067 2985 0 5655 0
[pid=30379/tid=30382] ppid=30378 vsize=36452 CPUtime=0.98
/proc/30379/task/30382/stat : 30382 (pb_cplex) S 30378 30378 29700 0 -1 4202560 280 0 0 0 97 1 0 0 17 0 2 0 143086861 37326848 3271 1992294400 134512640 146736320 4291238576 18446744073709551615 144580073 0 2 4096 16387 18446604437852243968 0 0 -1 0 0 0 0
Current children cumulated CPU time (s) 3.58
Current children cumulated vsize (KiB) 45152

Child status: 0
Real time (s): 2.80941
CPU time (s): 3.59845
CPU user time (s): 3.56046
CPU system time (s): 0.037994
CPU usage (%): 128.086
Max. virtual memory (cumulated for all children) (KiB): 45152

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.56046
system time used= 0.037994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5558
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= 247
involuntary context switches= 70

runsolver used 0.009998 second user time and 0.018997 second system time

The end

Launcher Data 

Begin job on node055 at 2010-07-01 22:59:17
IDJOB=2695997
IDBENCH=2043
IDSOLVER=1209
FILE ID=node055/2695997-1278017957
PBS_JOBID= 11198711
Free space on /tmp= 62380 MiB

SOLVER NAME= pb_cplex 2010-06-29
BENCH NAME= PB06//final/normalized-PB06/OPT-SMALLINT/submitted-PB05/manquinho/logic-synthesis/normalized-max1024.pi.opb
COMMAND LINE= run BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2695997-1278017957/watcher-2695997-1278017957 -o /tmp/evaluation-result-2695997-1278017957/solver-2695997-1278017957 -C 1800 -W 2000 -M 1800  run HOME/instance-2695997-1278017957.opb

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

MD5SUM BENCH= 93fc03471d2b2f18ece1d77179dbcb30
RANDOM SEED=119740104

node055.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		: 3000.258
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	: 6000.51
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		: 3000.258
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	: 5599.44
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1514712 kB
Buffers:        144352 kB
Cached:         297000 kB
SwapCached:       6760 kB
Active:         196488 kB
Inactive:       258596 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1514712 kB
SwapTotal:     4192956 kB
SwapFree:      4139792 kB
Dirty:           17104 kB
Writeback:           0 kB
AnonPages:       11872 kB
Mapped:          12008 kB
Slab:            67344 kB
PageTables:       4144 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   183048 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= 62364 MiB
End job on node055 at 2010-07-01 22:59:21