Trace number 2697147

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 2010-06-29OPT-15 3.13652 2.27848

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
manquinho/mis/normalized-mis_100_25_2.opb
MD5SUMfdcfb05eaa099feeb8cfb1f8f1c05926
Bench CategoryOPT-SMALLINT-NLC (optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-15
Best CPU time to get the best result obtained on this benchmark39.8839
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function -15
Optimality of the best value was proved YES
Number of variables100
Total number of constraints100
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints100
Minimum length of a constraint25
Maximum length of a constraint45
Number of terms in the objective function 100
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 100
Number of bits of the sum of numbers in the objective function 7
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 100
Number of bits of the biggest sum of numbers7
Number of products (including duplicates)3074
Sum of products size (including duplicates)6148
Number of different products1537
Sum of products size3074

Solver Data 

0.00/0.00	c pb_cplex 1.0 - 20100701
0.00/0.00	c Parsing opb file format. File HOME/instance-2697147-1278050356.opb.
0.00/0.00	c Instance file HOME/instance-2697147-1278050356.opb
0.00/0.00	c File size is 121790 bytes.
0.00/0.06	c Highest Coefficient sum: 45
0.00/0.06	c  IBM ILOG License Manager: "IBM ILOG Optimization Suite for Academic Initiative" is accessing CPLEX 12 with option(s): "e m b q ".
0.00/0.07	c ============================[ Problem Statistics ]=============================
0.00/0.07	c |                                                                             |
0.00/0.07	c |  Parsing time:          0.06         s                                      |
0.00/0.07	c |  Number Variables:      1637                                                |
0.00/0.07	c |  Number Constraints:    3174                                                |
0.00/0.07	c ===============================================================================
3.00/2.27	c Remaining time 1799.94 sec.
3.00/2.27	s OPTIMUM FOUND
3.00/2.27	c Solution value = -15.00
3.00/2.27	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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3.00/2.27	c Total CPU time              : 3.09853 s

Verifier Data 

OK	-15

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2697147-1278050356/watcher-2697147-1278050356 -o /tmp/evaluation-result-2697147-1278050356/solver-2697147-1278050356 -C 1800 -W 2000 -M 1800 run HOME/instance-2697147-1278050356.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: 1.70 1.82 1.66 3/105 30791
/proc/meminfo: memFree=1390380/2059040 swapFree=4139044/4192956
[pid=30791] ppid=30789 vsize=8700 CPUtime=0
/proc/30791/stat : 30791 (run) R 30789 30791 30490 0 -1 4202496 347 0 0 0 0 0 0 0 25 0 1 0 146329202 8908800 248 1992294400 4194304 4922060 140733761019648 18446744073709551615 235217199509 0 65538 4100 65536 0 0 0 17 1 0 0 0
/proc/30791/statm: 2175 248 208 178 0 68 0

[startup+0.056544 s]
/proc/loadavg: 1.70 1.82 1.66 3/105 30791
/proc/meminfo: memFree=1390380/2059040 swapFree=4139044/4192956
[pid=30791] ppid=30789 vsize=8700 CPUtime=0
/proc/30791/stat : 30791 (run) S 30789 30791 30490 0 -1 4202496 363 0 0 0 0 0 0 0 25 0 1 0 146329202 8908800 248 1992294400 4194304 4922060 140733761019648 18446744073709551615 235217198213 0 65536 4100 65538 18446744071562232103 0 0 17 0 0 0 0
/proc/30791/statm: 2175 248 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.10455 s]
/proc/loadavg: 1.70 1.82 1.66 3/105 30791
/proc/meminfo: memFree=1390380/2059040 swapFree=4139044/4192956
[pid=30791] ppid=30789 vsize=8700 CPUtime=0
/proc/30791/stat : 30791 (run) S 30789 30791 30490 0 -1 4202496 363 0 0 0 0 0 0 0 25 0 1 0 146329202 8908800 248 1992294400 4194304 4922060 140733761019648 18446744073709551615 235217198213 0 65536 4100 65538 18446744071562232103 0 0 17 0 0 0 0
/proc/30791/statm: 2175 248 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.301569 s]
/proc/loadavg: 1.70 1.82 1.66 3/105 30791
/proc/meminfo: memFree=1390380/2059040 swapFree=4139044/4192956
[pid=30791] ppid=30789 vsize=8700 CPUtime=0
/proc/30791/stat : 30791 (run) S 30789 30791 30490 0 -1 4202496 363 0 0 0 0 0 0 0 25 0 1 0 146329202 8908800 248 1992294400 4194304 4922060 140733761019648 18446744073709551615 235217198213 0 65536 4100 65538 18446744071562232103 0 0 17 0 0 0 0
/proc/30791/statm: 2175 248 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.701614 s]
/proc/loadavg: 1.70 1.82 1.66 3/105 30791
/proc/meminfo: memFree=1390380/2059040 swapFree=4139044/4192956
[pid=30791] ppid=30789 vsize=8700 CPUtime=0
/proc/30791/stat : 30791 (run) S 30789 30791 30490 0 -1 4202496 363 0 0 0 0 0 0 0 25 0 1 0 146329202 8908800 248 1992294400 4194304 4922060 140733761019648 18446744073709551615 235217198213 0 65536 4100 65538 18446744071562232103 0 0 17 0 0 0 0
/proc/30791/statm: 2175 248 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+1.50071 s]
/proc/loadavg: 1.70 1.82 1.66 2/107 30793
/proc/meminfo: memFree=1385404/2059040 swapFree=4139044/4192956
[pid=30791] ppid=30789 vsize=8700 CPUtime=0
/proc/30791/stat : 30791 (run) S 30789 30791 30490 0 -1 4202496 363 0 0 0 0 0 0 0 25 0 1 0 146329202 8908800 248 1992294400 4194304 4922060 140733761019648 18446744073709551615 235217198213 0 65536 4100 65538 18446744071562232103 0 0 17 0 0 0 0
/proc/30791/statm: 2175 248 208 178 0 68 0
[pid=30792] ppid=30791 vsize=33108 CPUtime=1.7
/proc/30792/stat : 30792 (pb_cplex) R 30791 30791 30490 0 -1 4202496 4259 0 0 0 169 1 0 0 24 0 2 0 146329202 33902592 2739 1992294400 134512640 146736320 4287656000 18446744073709551615 144757825 0 0 4096 16387 18446744073709551615 0 0 17 0 0 0 0
/proc/30792/statm: 8277 2739 1041 2985 0 4819 0
Current children cumulated CPU time (s) 1.7
Current children cumulated vsize (KiB) 41808

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

[startup+1.90075 s]
/proc/loadavg: 1.70 1.82 1.66 2/107 30793
/proc/meminfo: memFree=1385404/2059040 swapFree=4139044/4192956
[pid=30791] ppid=30789 vsize=8700 CPUtime=0
/proc/30791/stat : 30791 (run) S 30789 30791 30490 0 -1 4202496 363 0 0 0 0 0 0 0 25 0 1 0 146329202 8908800 248 1992294400 4194304 4922060 140733761019648 18446744073709551615 235217198213 0 65536 4100 65538 18446744071562232103 0 0 17 0 0 0 0
/proc/30791/statm: 2175 248 208 178 0 68 0
[pid=30792] ppid=30791 vsize=33108 CPUtime=2.41
/proc/30792/stat : 30792 (pb_cplex) R 30791 30791 30490 0 -1 4202496 4261 0 0 0 239 2 0 0 25 0 2 0 146329202 33902592 2741 1992294400 134512640 146736320 4287656000 18446744073709551615 144757825 0 0 4096 16387 18446744073709551615 0 0 17 0 0 0 0
/proc/30792/statm: 8277 2741 1041 2985 0 4819 0
Current children cumulated CPU time (s) 2.41
Current children cumulated vsize (KiB) 41808

[startup+2.10078 s]
/proc/loadavg: 1.70 1.82 1.66 4/108 30794
/proc/meminfo: memFree=1382792/2059040 swapFree=4139044/4192956
[pid=30791] ppid=30789 vsize=8700 CPUtime=0
/proc/30791/stat : 30791 (run) S 30789 30791 30490 0 -1 4202496 363 0 0 0 0 0 0 0 25 0 1 0 146329202 8908800 248 1992294400 4194304 4922060 140733761019648 18446744073709551615 235217198213 0 65536 4100 65538 18446744071562232103 0 0 17 0 0 0 0
/proc/30791/statm: 2175 248 208 178 0 68 0
[pid=30792] ppid=30791 vsize=33108 CPUtime=2.8
/proc/30792/stat : 30792 (pb_cplex) R 30791 30791 30490 0 -1 4202496 4261 0 0 0 278 2 0 0 25 0 2 0 146329202 33902592 2741 1992294400 134512640 146736320 4287656000 18446744073709551615 136388107 0 0 4096 16387 18446744073709551615 0 0 17 0 0 0 0
/proc/30792/statm: 8277 2741 1041 2985 0 4819 0
[pid=30792/tid=30794] ppid=30791 vsize=33108 CPUtime=0.95
/proc/30792/task/30794/stat : 30794 (pb_cplex) R 30791 30791 30490 0 -1 4202560 176 0 0 0 95 0 0 0 25 0 2 0 146329303 33902592 2741 1992294400 134512640 146736320 4287656000 18446744073709551615 136008177 0 2 4096 16387 0 0 0 -1 1 0 0 0
Current children cumulated CPU time (s) 2.8
Current children cumulated vsize (KiB) 41808

[startup+2.20879 s]
/proc/loadavg: 1.70 1.82 1.66 4/108 30794
/proc/meminfo: memFree=1382792/2059040 swapFree=4139044/4192956
[pid=30791] ppid=30789 vsize=8700 CPUtime=0
/proc/30791/stat : 30791 (run) S 30789 30791 30490 0 -1 4202496 363 0 0 0 0 0 0 0 25 0 1 0 146329202 8908800 248 1992294400 4194304 4922060 140733761019648 18446744073709551615 235217198213 0 65536 4100 65538 18446744071562232103 0 0 17 0 0 0 0
/proc/30791/statm: 2175 248 208 178 0 68 0
[pid=30792] ppid=30791 vsize=33108 CPUtime=3
/proc/30792/stat : 30792 (pb_cplex) R 30791 30791 30490 0 -1 4202496 4261 0 0 0 298 2 0 0 25 0 2 0 146329202 33902592 2741 1992294400 134512640 146736320 4287656000 18446744073709551615 144757825 0 0 4096 16387 18446744073709551615 0 0 17 0 0 0 0
/proc/30792/statm: 8277 2741 1041 2985 0 4819 0
[pid=30792/tid=30794] ppid=30791 vsize=33108 CPUtime=1.06
/proc/30792/task/30794/stat : 30794 (pb_cplex) R 30791 30791 30490 0 -1 4202560 176 0 0 0 105 1 0 0 25 0 2 0 146329303 33902592 2741 1992294400 134512640 146736320 4287656000 18446744073709551615 139042888 0 2 4096 16387 0 0 0 -1 1 0 0 0
Current children cumulated CPU time (s) 3
Current children cumulated vsize (KiB) 41808

Child status: 0
Real time (s): 2.27848
CPU time (s): 3.13652
CPU user time (s): 3.10053
CPU system time (s): 0.035994
CPU usage (%): 137.659
Max. virtual memory (cumulated for all children) (KiB): 41808

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.10053
system time used= 0.035994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4759
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= 312
involuntary context switches= 48

runsolver used 0.007998 second user time and 0.018997 second system time

The end

Launcher Data 

Begin job on node088 at 2010-07-02 07:59:16
IDJOB=2697147
IDBENCH=48181
IDSOLVER=1209
FILE ID=node088/2697147-1278050356
PBS_JOBID= 11198827
Free space on /tmp= 62388 MiB

SOLVER NAME= pb_cplex 2010-06-29
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/manquinho/mis/normalized-mis_100_25_2.opb
COMMAND LINE= run BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2697147-1278050356/watcher-2697147-1278050356 -o /tmp/evaluation-result-2697147-1278050356/solver-2697147-1278050356 -C 1800 -W 2000 -M 1800  run HOME/instance-2697147-1278050356.opb

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

MD5SUM BENCH= fdcfb05eaa099feeb8cfb1f8f1c05926
RANDOM SEED=1595750319

node088.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		: 3000.217
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	: 6000.43
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		: 3000.217
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:       1391536 kB
Buffers:        152620 kB
Cached:         402672 kB
SwapCached:       6984 kB
Active:         266052 kB
Inactive:       303140 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1391536 kB
SwapTotal:     4192956 kB
SwapFree:      4139044 kB
Dirty:           16668 kB
Writeback:           8 kB
AnonPages:       11944 kB
Mapped:           8400 kB
Slab:            76472 kB
PageTables:       4140 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181632 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-2697147-1278050356.opb

Free space on /tmp at the end= 62372 MiB
End job on node088 at 2010-07-02 07:59:19