Trace number 2696605

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 2010-06-29OPT110 1.21981 1.22145

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB06/
manquiho/logic_synthesis/normalized-test1.r.opb
MD5SUM8e6ac0bad8d074da12c63269189a8260
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark110
Best CPU time to get the best result obtained on this benchmark0.344947
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 110
Optimality of the best value was proved YES
Number of variables2091
Total number of constraints362
Number of constraints which are clauses362
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 constraint3
Maximum length of a constraint48
Number of terms in the objective function 2091
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 2091
Number of bits of the sum of numbers in the objective function 12
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 2091
Number of bits of the biggest sum of numbers12
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-2696605-1278020174.opb.
0.00/0.00	c Instance file HOME/instance-2696605-1278020174.opb
0.00/0.00	c File size is 60474 bytes.
1.10/1.13	c Highest Coefficient sum: 49
1.10/1.13	c  IBM ILOG License Manager: "IBM ILOG Optimization Suite for Academic Initiative" is accessing CPLEX 12 with option(s): "e m b q ".
1.10/1.13	c ============================[ Problem Statistics ]=============================
1.10/1.13	c |                                                                             |
1.10/1.13	c |  Parsing time:          1.13         s                                      |
1.10/1.13	c |  Number Variables:      2091                                                |
1.10/1.13	c |  Number Constraints:    362                                                 |
1.10/1.13	c ===============================================================================
1.19/1.21	c Remaining time 1798.87 sec.
1.19/1.21	s OPTIMUM FOUND
1.19/1.21	c Solution value = 110.00
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1.19/1.21	c Total CPU time              : 1.20982 s

Verifier Data 

OK	110

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2696605-1278020174/watcher-2696605-1278020174 -o /tmp/evaluation-result-2696605-1278020174/solver-2696605-1278020174 -C 1800 -W 2000 -M 1800 run HOME/instance-2696605-1278020174.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: 0.92 0.98 1.07 3/106 31230
/proc/meminfo: memFree=1315236/2059040 swapFree=4139540/4192956
[pid=31230] ppid=31228 vsize=8700 CPUtime=0
/proc/31230/stat : 31230 (run) R 31228 31230 30778 0 -1 4202496 349 0 0 0 0 0 0 0 20 0 1 0 143312437 8908800 249 1992294400 4194304 4922060 140735604261184 18446744073709551615 242479636885 0 65538 4100 65536 0 0 0 17 1 0 0 0
/proc/31230/statm: 2175 249 208 178 0 68 0

[startup+0.092278 s]
/proc/loadavg: 0.92 0.98 1.07 3/106 31230
/proc/meminfo: memFree=1315236/2059040 swapFree=4139540/4192956
[pid=31230] ppid=31228 vsize=8700 CPUtime=0
/proc/31230/stat : 31230 (run) S 31228 31230 30778 0 -1 4202496 365 0 0 0 0 0 0 0 20 0 1 0 143312437 8908800 249 1992294400 4194304 4922060 140735604261184 18446744073709551615 242479635589 0 65536 4100 65538 18446744071562232103 0 0 17 0 0 0 0
/proc/31230/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.101278 s]
/proc/loadavg: 0.92 0.98 1.07 3/106 31230
/proc/meminfo: memFree=1315236/2059040 swapFree=4139540/4192956
[pid=31230] ppid=31228 vsize=8700 CPUtime=0
/proc/31230/stat : 31230 (run) S 31228 31230 30778 0 -1 4202496 365 0 0 0 0 0 0 0 20 0 1 0 143312437 8908800 249 1992294400 4194304 4922060 140735604261184 18446744073709551615 242479635589 0 65536 4100 65538 18446744071562232103 0 0 17 0 0 0 0
/proc/31230/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.301302 s]
/proc/loadavg: 0.92 0.98 1.07 3/106 31230
/proc/meminfo: memFree=1315236/2059040 swapFree=4139540/4192956
[pid=31230] ppid=31228 vsize=8700 CPUtime=0
/proc/31230/stat : 31230 (run) S 31228 31230 30778 0 -1 4202496 365 0 0 0 0 0 0 0 20 0 1 0 143312437 8908800 249 1992294400 4194304 4922060 140735604261184 18446744073709551615 242479635589 0 65536 4100 65538 18446744071562232103 0 0 17 0 0 0 0
/proc/31230/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.700344 s]
/proc/loadavg: 0.92 0.98 1.07 3/106 31230
/proc/meminfo: memFree=1315236/2059040 swapFree=4139540/4192956
[pid=31230] ppid=31228 vsize=8700 CPUtime=0
/proc/31230/stat : 31230 (run) S 31228 31230 30778 0 -1 4202496 365 0 0 0 0 0 0 0 20 0 1 0 143312437 8908800 249 1992294400 4194304 4922060 140735604261184 18446744073709551615 242479635589 0 65536 4100 65538 18446744071562232103 0 0 17 0 0 0 0
/proc/31230/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+1.10839 s]
/proc/loadavg: 0.92 0.98 1.07 2/108 31232
/proc/meminfo: memFree=1314104/2059040 swapFree=4139540/4192956
[pid=31230] ppid=31228 vsize=8700 CPUtime=0
/proc/31230/stat : 31230 (run) S 31228 31230 30778 0 -1 4202496 365 0 0 0 0 0 0 0 20 0 1 0 143312437 8908800 249 1992294400 4194304 4922060 140735604261184 18446744073709551615 242479635589 0 65536 4100 65538 18446744071562232103 0 0 17 0 0 0 0
/proc/31230/statm: 2175 249 208 178 0 68 0
[pid=31231] ppid=31230 vsize=13332 CPUtime=1.1
/proc/31231/stat : 31231 (pb_cplex) R 31230 31230 30778 0 -1 4202496 535 0 0 0 110 0 0 0 25 0 1 0 143312437 13651968 489 1992294400 134512640 146736320 4289783328 18446744073709551615 140679020 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31231/statm: 3333 489 295 2985 0 252 0
Current children cumulated CPU time (s) 1.1
Current children cumulated vsize (KiB) 22032

[startup+1.20041 s]
/proc/loadavg: 0.92 0.98 1.07 2/108 31232
/proc/meminfo: memFree=1314104/2059040 swapFree=4139540/4192956
[pid=31230] ppid=31228 vsize=8700 CPUtime=0
/proc/31230/stat : 31230 (run) S 31228 31230 30778 0 -1 4202496 365 0 0 0 0 0 0 0 20 0 1 0 143312437 8908800 249 1992294400 4194304 4922060 140735604261184 18446744073709551615 242479635589 0 65536 4100 65538 18446744071562232103 0 0 17 0 0 0 0
/proc/31230/statm: 2175 249 208 178 0 68 0
[pid=31231] ppid=31230 vsize=19056 CPUtime=1.19
/proc/31231/stat : 31231 (pb_cplex) R 31230 31230 30778 0 -1 4202496 2103 0 0 0 119 0 0 0 18 0 1 0 143312437 19513344 1901 1992294400 134512640 146736320 4289783328 18446744073709551615 138720288 0 0 4096 16387 0 0 0 17 0 0 0 0
/proc/31231/statm: 4764 1901 969 2985 0 1306 0
Current children cumulated CPU time (s) 1.19
Current children cumulated vsize (KiB) 27756

Child status: 0
Real time (s): 1.22145
CPU time (s): 1.21981
CPU user time (s): 1.21081
CPU system time (s): 0.008998
CPU usage (%): 99.8661
Max. virtual memory (cumulated for all children) (KiB): 27756

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.21081
system time used= 0.008998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2552
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= 6
involuntary context switches= 29

runsolver used 0.008998 second user time and 0.010998 second system time

The end

Launcher Data 

Begin job on node035 at 2010-07-01 23:36:14
IDJOB=2696605
IDBENCH=2886
IDSOLVER=1209
FILE ID=node035/2696605-1278020174
PBS_JOBID= 11198728
Free space on /tmp= 62376 MiB

SOLVER NAME= pb_cplex 2010-06-29
BENCH NAME= PB06/final/normalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/logic_synthesis/normalized-test1.r.opb
COMMAND LINE= run BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2696605-1278020174/watcher-2696605-1278020174 -o /tmp/evaluation-result-2696605-1278020174/solver-2696605-1278020174 -C 1800 -W 2000 -M 1800  run HOME/instance-2696605-1278020174.opb

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

MD5SUM BENCH= 8e6ac0bad8d074da12c63269189a8260
RANDOM SEED=75580555

node035.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		: 3000.219
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		: 3000.219
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	: 5599.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1315764 kB
Buffers:        143960 kB
Cached:         482312 kB
SwapCached:       7448 kB
Active:         221476 kB
Inactive:       419356 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1315764 kB
SwapTotal:     4192956 kB
SwapFree:      4139540 kB
Dirty:           16628 kB
Writeback:           0 kB
AnonPages:       12756 kB
Mapped:          12004 kB
Slab:            80484 kB
PageTables:       4084 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182224 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= 62360 MiB
End job on node035 at 2010-07-01 23:36:16