Trace number 2697128

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 2010-06-29OPT2 0.624904 0.61599

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
manquinho/mds/normalized-mds_50_25_2.opb
MD5SUMf082d755a098ee30cf6a4e6ef2f7b520
Bench CategoryOPT-SMALLINT-NLC (optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark2
Best CPU time to get the best result obtained on this benchmark0.215966
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 2
Optimality of the best value was proved YES
Number of variables50
Total number of constraints50
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 constraints50
Minimum length of a constraint26
Maximum length of a constraint40
Number of terms in the objective function 50
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 50
Number of bits of the sum of numbers in the objective function 6
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 50
Number of bits of the biggest sum of numbers6
Number of products (including duplicates)1480
Sum of products size (including duplicates)2960
Number of different products1480
Sum of products size2960

Solver Data

0.00/0.00	c pb_cplex 1.0 - 20100701
0.00/0.00	c Parsing opb file format. File HOME/instance-2697128-1278050327.opb.
0.00/0.00	c Instance file HOME/instance-2697128-1278050327.opb
0.00/0.00	c File size is 103533 bytes.
0.00/0.04	c Highest Coefficient sum: 41
0.00/0.04	c  IBM ILOG License Manager: "IBM ILOG Optimization Suite for Academic Initiative" is accessing CPLEX 12 with option(s): "e m b q ".
0.00/0.05	c ============================[ Problem Statistics ]=============================
0.00/0.05	c |                                                                             |
0.00/0.05	c |  Parsing time:          0.05         s                                      |
0.00/0.05	c |  Number Variables:      1530                                                |
0.00/0.05	c |  Number Constraints:    3010                                                |
0.00/0.05	c ===============================================================================
0.00/0.61	c Remaining time 1799.95 sec.
0.00/0.61	s OPTIMUM FOUND
0.00/0.61	c Solution value = 2.00
0.00/0.61	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 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0.00/0.61	c Total CPU time              : 0.59091 s

Verifier Data

OK	2

Watcher Data

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2697128-1278050327/watcher-2697128-1278050327 -o /tmp/evaluation-result-2697128-1278050327/solver-2697128-1278050327 -C 1800 -W 2000 -M 1800 run HOME/instance-2697128-1278050327.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: 1.57 1.64 1.69 3/106 23598
/proc/meminfo: memFree=1797892/2059040 swapFree=4135596/4192956
[pid=23598] ppid=23596 vsize=8700 CPUtime=0
/proc/23598/stat : 23598 (run) R 23596 23598 23294 0 -1 4202496 348 0 0 0 0 0 0 0 20 0 1 0 180636646 8908800 249 1992294400 4194304 4922060 140735385044496 18446744073709551615 263434379669 0 65538 4100 65536 0 0 0 17 1 0 0 0
/proc/23598/statm: 2175 249 208 178 0 68 0

[startup+0.039394 s]
/proc/loadavg: 1.57 1.64 1.69 3/106 23598
/proc/meminfo: memFree=1797892/2059040 swapFree=4135596/4192956
[pid=23598] ppid=23596 vsize=8700 CPUtime=0
/proc/23598/stat : 23598 (run) S 23596 23598 23294 0 -1 4202496 365 0 0 0 0 0 0 0 20 0 1 0 180636646 8908800 249 1992294400 4194304 4922060 140735385044496 18446744073709551615 263434378373 0 65536 4100 65538 18446744071562232103 0 0 17 0 0 0 0
/proc/23598/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.104737 s]
/proc/loadavg: 1.57 1.64 1.69 3/106 23598
/proc/meminfo: memFree=1797892/2059040 swapFree=4135596/4192956
[pid=23598] ppid=23596 vsize=8700 CPUtime=0
/proc/23598/stat : 23598 (run) S 23596 23598 23294 0 -1 4202496 365 0 0 0 0 0 0 0 20 0 1 0 180636646 8908800 249 1992294400 4194304 4922060 140735385044496 18446744073709551615 263434378373 0 65536 4100 65538 18446744071562232103 0 0 17 0 0 0 0
/proc/23598/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.30073 s]
/proc/loadavg: 1.57 1.64 1.69 3/106 23598
/proc/meminfo: memFree=1797892/2059040 swapFree=4135596/4192956
[pid=23598] ppid=23596 vsize=8700 CPUtime=0
/proc/23598/stat : 23598 (run) S 23596 23598 23294 0 -1 4202496 365 0 0 0 0 0 0 0 20 0 1 0 180636646 8908800 249 1992294400 4194304 4922060 140735385044496 18446744073709551615 263434378373 0 65536 4100 65538 18446744071562232103 0 0 17 0 0 0 0
/proc/23598/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

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

[startup+0.500722 s]
/proc/loadavg: 1.57 1.64 1.69 3/106 23598
/proc/meminfo: memFree=1797892/2059040 swapFree=4135596/4192956
[pid=23598] ppid=23596 vsize=8700 CPUtime=0
/proc/23598/stat : 23598 (run) S 23596 23598 23294 0 -1 4202496 365 0 0 0 0 0 0 0 20 0 1 0 180636646 8908800 249 1992294400 4194304 4922060 140735385044496 18446744073709551615 263434378373 0 65536 4100 65538 18446744071562232103 0 0 17 0 0 0 0
/proc/23598/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.600719 s]
/proc/loadavg: 1.57 1.64 1.69 3/106 23598
/proc/meminfo: memFree=1797892/2059040 swapFree=4135596/4192956
[pid=23598] ppid=23596 vsize=8700 CPUtime=0
/proc/23598/stat : 23598 (run) S 23596 23598 23294 0 -1 4202496 365 0 0 0 0 0 0 0 20 0 1 0 180636646 8908800 249 1992294400 4194304 4922060 140735385044496 18446744073709551615 263434378373 0 65536 4100 65538 18446744071562232103 0 0 17 0 0 0 0
/proc/23598/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

Child status: 0
Real time (s): 0.61599
CPU time (s): 0.624904
CPU user time (s): 0.592909
CPU system time (s): 0.031995
CPU usage (%): 101.447
Max. virtual memory (cumulated for all children) (KiB): 8700

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.592909
system time used= 0.031995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6921
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= 114
involuntary context switches= 8

runsolver used 0.002999 second user time and 0.009998 second system time

The end

Launcher Data

Begin job on node003 at 2010-07-02 07:58:47
IDJOB=2697128
IDBENCH=48162
IDSOLVER=1209
FILE ID=node003/2697128-1278050327
PBS_JOBID= 11198879
Free space on /tmp= 62464 MiB

SOLVER NAME= pb_cplex 2010-06-29
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/manquinho/mds/normalized-mds_50_25_2.opb
COMMAND LINE= run BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2697128-1278050327/watcher-2697128-1278050327 -o /tmp/evaluation-result-2697128-1278050327/solver-2697128-1278050327 -C 1800 -W 2000 -M 1800  run HOME/instance-2697128-1278050327.opb

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

MD5SUM BENCH= f082d755a098ee30cf6a4e6ef2f7b520
RANDOM SEED=1962890875

node003.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		: 3000.251
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	: 6000.50
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		: 3000.251
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:       1798916 kB
Buffers:         29560 kB
Cached:         132152 kB
SwapCached:      10548 kB
Active:         108728 kB
Inactive:        66828 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1798916 kB
SwapTotal:     4192956 kB
SwapFree:      4135596 kB
Dirty:           16656 kB
Writeback:           0 kB
AnonPages:       12352 kB
Mapped:           8588 kB
Slab:            62712 kB
PageTables:       4080 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182724 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-2697128-1278050327.opb

Free space on /tmp at the end= 62448 MiB
End job on node003 at 2010-07-02 07:58:48