Trace number 2695860

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 2010-06-29OPT245 2.83457 2.37964

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB06/
manquiho/logic_synthesis/normalized-max1024.r.opb
MD5SUM87c08328e44aaf86c5913a3ba08592cd
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark245
Best CPU time to get the best result obtained on this benchmark2.83457
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 245
Optimality of the best value was proved YES
Number of variables1264
Total number of constraints1090
Number of constraints which are clauses1090
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 constraint2
Maximum length of a constraint20
Number of terms in the objective function 1264
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 1264
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 1264
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-2695860-1278020164.opb.
0.00/0.00	c Instance file HOME/instance-2695860-1278020164.opb
0.00/0.00	c File size is 75875 bytes.
0.00/0.43	c Highest Coefficient sum: 21
0.00/0.43	c  IBM ILOG License Manager: "IBM ILOG Optimization Suite for Academic Initiative" is accessing CPLEX 12 with option(s): "e m b q ".
0.00/0.44	c ============================[ Problem Statistics ]=============================
0.00/0.44	c |                                                                             |
0.00/0.44	c |  Parsing time:          0.44         s                                      |
0.00/0.44	c |  Number Variables:      1264                                                |
0.00/0.44	c |  Number Constraints:    1090                                                |
0.00/0.44	c ===============================================================================
2.74/2.37	c Remaining time 1799.56 sec.
2.74/2.37	s OPTIMUM FOUND
2.74/2.37	c Solution value = 245.00
2.74/2.37	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 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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
2.74/2.37	c Total CPU time              : 2.80357 s

Verifier Data 

OK	245

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2695860-1278020164/watcher-2695860-1278020164 -o /tmp/evaluation-result-2695860-1278020164/solver-2695860-1278020164 -C 1800 -W 2000 -M 1800 run HOME/instance-2695860-1278020164.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: 1.49 1.68 1.64 3/106 3595
/proc/meminfo: memFree=1624748/2059040 swapFree=4192956/4192956
[pid=3595] ppid=3593 vsize=8700 CPUtime=0
/proc/3595/stat : 3595 (run) S 3593 3595 2453 0 -1 4202496 364 0 0 0 0 0 0 0 25 0 1 0 331307 8908800 248 1992294400 4194304 4922060 140735097129520 18446744073709551615 236997680261 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/3595/statm: 2175 248 208 178 0 68 0

[startup+0.0522149 s]
/proc/loadavg: 1.49 1.68 1.64 3/106 3595
/proc/meminfo: memFree=1624748/2059040 swapFree=4192956/4192956
[pid=3595] ppid=3593 vsize=8700 CPUtime=0
/proc/3595/stat : 3595 (run) S 3593 3595 2453 0 -1 4202496 364 0 0 0 0 0 0 0 25 0 1 0 331307 8908800 248 1992294400 4194304 4922060 140735097129520 18446744073709551615 236997680261 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/3595/statm: 2175 248 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.101217 s]
/proc/loadavg: 1.49 1.68 1.64 3/106 3595
/proc/meminfo: memFree=1624748/2059040 swapFree=4192956/4192956
[pid=3595] ppid=3593 vsize=8700 CPUtime=0
/proc/3595/stat : 3595 (run) S 3593 3595 2453 0 -1 4202496 364 0 0 0 0 0 0 0 25 0 1 0 331307 8908800 248 1992294400 4194304 4922060 140735097129520 18446744073709551615 236997680261 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/3595/statm: 2175 248 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.301227 s]
/proc/loadavg: 1.49 1.68 1.64 3/106 3595
/proc/meminfo: memFree=1624748/2059040 swapFree=4192956/4192956
[pid=3595] ppid=3593 vsize=8700 CPUtime=0
/proc/3595/stat : 3595 (run) S 3593 3595 2453 0 -1 4202496 364 0 0 0 0 0 0 0 25 0 1 0 331307 8908800 248 1992294400 4194304 4922060 140735097129520 18446744073709551615 236997680261 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/3595/statm: 2175 248 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.701257 s]
/proc/loadavg: 1.49 1.68 1.64 3/106 3595
/proc/meminfo: memFree=1624748/2059040 swapFree=4192956/4192956
[pid=3595] ppid=3593 vsize=8700 CPUtime=0
/proc/3595/stat : 3595 (run) S 3593 3595 2453 0 -1 4202496 364 0 0 0 0 0 0 0 25 0 1 0 331307 8908800 248 1992294400 4194304 4922060 140735097129520 18446744073709551615 236997680261 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/3595/statm: 2175 248 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+1.5013 s]
/proc/loadavg: 1.49 1.68 1.64 2/108 3597
/proc/meminfo: memFree=1619152/2059040 swapFree=4192956/4192956
[pid=3595] ppid=3593 vsize=8700 CPUtime=0
/proc/3595/stat : 3595 (run) S 3593 3595 2453 0 -1 4202496 364 0 0 0 0 0 0 0 25 0 1 0 331307 8908800 248 1992294400 4194304 4922060 140735097129520 18446744073709551615 236997680261 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/3595/statm: 2175 248 208 178 0 68 0
[pid=3596] ppid=3595 vsize=36212 CPUtime=1.5
/proc/3596/stat : 3596 (pb_cplex) R 3595 3595 2453 0 -1 4202496 4554 0 0 0 149 1 0 0 18 0 2 0 331307 37081088 3149 1992294400 134512640 146736320 4294842464 18446744073709551615 144757825 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/3596/statm: 9053 3149 1067 2985 0 5595 0
Current children cumulated CPU time (s) 1.5
Current children cumulated vsize (KiB) 44912

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

[startup+1.90132 s]
/proc/loadavg: 1.49 1.68 1.64 2/108 3597
/proc/meminfo: memFree=1619152/2059040 swapFree=4192956/4192956
[pid=3595] ppid=3593 vsize=8700 CPUtime=0
/proc/3595/stat : 3595 (run) S 3593 3595 2453 0 -1 4202496 364 0 0 0 0 0 0 0 25 0 1 0 331307 8908800 248 1992294400 4194304 4922060 140735097129520 18446744073709551615 236997680261 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/3595/statm: 2175 248 208 178 0 68 0
[pid=3596] ppid=3595 vsize=36344 CPUtime=2.05
/proc/3596/stat : 3596 (pb_cplex) R 3595 3595 2453 0 -1 4202496 4709 0 0 0 203 2 0 0 16 0 2 0 331307 37216256 3285 1992294400 134512640 146736320 4294842464 18446744073709551615 144757825 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/3596/statm: 9086 3285 1071 2985 0 5628 0
Current children cumulated CPU time (s) 2.05
Current children cumulated vsize (KiB) 45044

[startup+2.30134 s]
/proc/loadavg: 1.45 1.67 1.64 3/109 3598
/proc/meminfo: memFree=1615176/2059040 swapFree=4192956/4192956
[pid=3595] ppid=3593 vsize=8700 CPUtime=0
/proc/3595/stat : 3595 (run) S 3593 3595 2453 0 -1 4202496 364 0 0 0 0 0 0 0 25 0 1 0 331307 8908800 248 1992294400 4194304 4922060 140735097129520 18446744073709551615 236997680261 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/3595/statm: 2175 248 208 178 0 68 0
[pid=3596] ppid=3595 vsize=36344 CPUtime=2.74
/proc/3596/stat : 3596 (pb_cplex) R 3595 3595 2453 0 -1 4202496 4719 0 0 0 272 2 0 0 16 0 2 0 331307 37216256 3285 1992294400 134512640 146736320 4294842464 18446744073709551615 144580332 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/3596/statm: 9086 3285 1061 2985 0 5628 0
[pid=3596/tid=3598] ppid=3595 vsize=36344 CPUtime=0.68
/proc/3596/task/3598/stat : 3598 (pb_cplex) R 3595 3595 2453 0 -1 4202560 315 0 0 0 68 0 0 0 18 0 2 0 331449 37216256 3285 1992294400 134512640 146736320 4294842464 18446744073709551615 144580073 0 2 4096 16387 0 0 0 -1 0 0 0 0
Current children cumulated CPU time (s) 2.74
Current children cumulated vsize (KiB) 45044

Child status: 0
Real time (s): 2.37964
CPU time (s): 2.83457
CPU user time (s): 2.80557
CPU system time (s): 0.028995
CPU usage (%): 119.118
Max. virtual memory (cumulated for all children) (KiB): 45044

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.80557
system time used= 0.028995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5238
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= 176
involuntary context switches= 71

runsolver used 0.009998 second user time and 0.018997 second system time

The end

Launcher Data 

Begin job on node027 at 2010-07-01 23:36:04
IDJOB=2695860
IDBENCH=2881
IDSOLVER=1209
FILE ID=node027/2695860-1278020164
PBS_JOBID= 11198754
Free space on /tmp= 61856 MiB

SOLVER NAME= pb_cplex 2010-06-29
BENCH NAME= PB06/final/normalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/logic_synthesis/normalized-max1024.r.opb
COMMAND LINE= run BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2695860-1278020164/watcher-2695860-1278020164 -o /tmp/evaluation-result-2695860-1278020164/solver-2695860-1278020164 -C 1800 -W 2000 -M 1800  run HOME/instance-2695860-1278020164.opb

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

MD5SUM BENCH= 87c08328e44aaf86c5913a3ba08592cd
RANDOM SEED=2093020651

node027.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		: 2800.179
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	: 5600.35
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		: 2800.179
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:       1625276 kB
Buffers:         59488 kB
Cached:         265388 kB
SwapCached:          0 kB
Active:         161676 kB
Inactive:       222460 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1625276 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:           17396 kB
Writeback:           0 kB
AnonPages:       59256 kB
Mapped:          14368 kB
Slab:            27728 kB
PageTables:       4132 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   178840 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264952 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 61840 MiB
End job on node027 at 2010-07-01 23:36:06