Trace number 2696336

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 NameAnswerCPU timeWall clock time
pb_cplex 2010-06-29SAT 5.30719 5.31153

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga40_39_sat_pb.cnf.cr.opb
MD5SUM72bb077846a4d869a09744c0b238b13c
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.041993
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables2340
Total number of constraints1678
Number of constraints which are clauses1599
Number of constraints which are cardinality constraints (but not clauses)79
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint20
Maximum length of a constraint40
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 41
Number of bits of the biggest sum of numbers6
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-2696336-1278016132.opb.
0.00/0.00	c Instance file HOME/instance-2696336-1278016132.opb
0.00/0.00	c File size is 331627 bytes.
0.00/0.30	c Highest Coefficient sum: 41
0.00/0.30	c  IBM ILOG License Manager: "IBM ILOG Optimization Suite for Academic Initiative" is accessing CPLEX 12 with option(s): "e m b q ".
0.00/0.31	c ============================[ Problem Statistics ]=============================
0.00/0.31	c |                                                                             |
0.00/0.31	c |  Parsing time:          0.30         s                                      |
0.00/0.31	c |  Number Variables:      2340                                                |
0.00/0.31	c |  Number Constraints:    1678                                                |
0.00/0.31	c ===============================================================================
5.28/5.30	c Remaining time 1799.69 sec.
5.28/5.30	s SATISFIABLE
5.28/5.30	c Solution value = 0.00
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5.28/5.30	c Total CPU time              : 5.2762 s

Verifier Data 

OK	0

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2696336-1278016132/watcher-2696336-1278016132 -o /tmp/evaluation-result-2696336-1278016132/solver-2696336-1278016132 -C 1800 -W 2000 -M 1800 run HOME/instance-2696336-1278016132.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: 2.47 2.14 1.39 3/106 29738
/proc/meminfo: memFree=1480752/2059040 swapFree=4138588/4192956
[pid=29738] ppid=29736 vsize=8700 CPUtime=0
/proc/29738/stat : 29738 (run) S 29736 29738 29483 0 -1 4202496 365 0 0 0 0 0 0 0 18 0 1 0 142908595 8908800 249 1992294400 4194304 4922060 140733507680144 18446744073709551615 213104827525 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/29738/statm: 2175 249 208 178 0 68 0

[startup+0.029446 s]
/proc/loadavg: 2.47 2.14 1.39 3/106 29738
/proc/meminfo: memFree=1480752/2059040 swapFree=4138588/4192956
[pid=29738] ppid=29736 vsize=8700 CPUtime=0
/proc/29738/stat : 29738 (run) S 29736 29738 29483 0 -1 4202496 365 0 0 0 0 0 0 0 18 0 1 0 142908595 8908800 249 1992294400 4194304 4922060 140733507680144 18446744073709551615 213104827525 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/29738/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.101451 s]
/proc/loadavg: 2.47 2.14 1.39 3/106 29738
/proc/meminfo: memFree=1480752/2059040 swapFree=4138588/4192956
[pid=29738] ppid=29736 vsize=8700 CPUtime=0
/proc/29738/stat : 29738 (run) S 29736 29738 29483 0 -1 4202496 365 0 0 0 0 0 0 0 18 0 1 0 142908595 8908800 249 1992294400 4194304 4922060 140733507680144 18446744073709551615 213104827525 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/29738/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.301462 s]
/proc/loadavg: 2.47 2.14 1.39 3/106 29738
/proc/meminfo: memFree=1480752/2059040 swapFree=4138588/4192956
[pid=29738] ppid=29736 vsize=8700 CPUtime=0
/proc/29738/stat : 29738 (run) S 29736 29738 29483 0 -1 4202496 365 0 0 0 0 0 0 0 18 0 1 0 142908595 8908800 249 1992294400 4194304 4922060 140733507680144 18446744073709551615 213104827525 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/29738/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.701501 s]
/proc/loadavg: 2.47 2.14 1.39 3/106 29738
/proc/meminfo: memFree=1480752/2059040 swapFree=4138588/4192956
[pid=29738] ppid=29736 vsize=8700 CPUtime=0
/proc/29738/stat : 29738 (run) S 29736 29738 29483 0 -1 4202496 365 0 0 0 0 0 0 0 18 0 1 0 142908595 8908800 249 1992294400 4194304 4922060 140733507680144 18446744073709551615 213104827525 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/29738/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+1.50154 s]
/proc/loadavg: 2.36 2.13 1.38 2/108 29740
/proc/meminfo: memFree=1468336/2059040 swapFree=4138588/4192956
[pid=29738] ppid=29736 vsize=8700 CPUtime=0
/proc/29738/stat : 29738 (run) S 29736 29738 29483 0 -1 4202496 365 0 0 0 0 0 0 0 18 0 1 0 142908595 8908800 249 1992294400 4194304 4922060 140733507680144 18446744073709551615 213104827525 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/29738/statm: 2175 249 208 178 0 68 0
[pid=29739] ppid=29738 vsize=30300 CPUtime=1.49
/proc/29739/stat : 29739 (pb_cplex) R 29738 29738 29483 0 -1 4202496 5943 0 0 0 147 2 0 0 19 0 1 0 142908595 31027200 4026 1992294400 134512640 146736320 4287986416 18446744073709551615 136461575 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29739/statm: 7575 4026 935 2985 0 4117 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 39000

[startup+3.10164 s]
/proc/loadavg: 2.36 2.13 1.38 2/108 29740
/proc/meminfo: memFree=1467344/2059040 swapFree=4138588/4192956
[pid=29738] ppid=29736 vsize=8700 CPUtime=0
/proc/29738/stat : 29738 (run) S 29736 29738 29483 0 -1 4202496 365 0 0 0 0 0 0 0 18 0 1 0 142908595 8908800 249 1992294400 4194304 4922060 140733507680144 18446744073709551615 213104827525 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/29738/statm: 2175 249 208 178 0 68 0
[pid=29739] ppid=29738 vsize=30300 CPUtime=3.09
/proc/29739/stat : 29739 (pb_cplex) R 29738 29738 29483 0 -1 4202496 5944 0 0 0 307 2 0 0 23 0 1 0 142908595 31027200 4027 1992294400 134512640 146736320 4287986416 18446744073709551615 138666340 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29739/statm: 7575 4027 936 2985 0 4117 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 39000

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

[startup+4.70073 s]
/proc/loadavg: 2.36 2.13 1.38 2/108 29740
/proc/meminfo: memFree=1466972/2059040 swapFree=4138588/4192956
[pid=29738] ppid=29736 vsize=8700 CPUtime=0
/proc/29738/stat : 29738 (run) S 29736 29738 29483 0 -1 4202496 365 0 0 0 0 0 0 0 18 0 1 0 142908595 8908800 249 1992294400 4194304 4922060 140733507680144 18446744073709551615 213104827525 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/29738/statm: 2175 249 208 178 0 68 0
[pid=29739] ppid=29738 vsize=28104 CPUtime=4.68
/proc/29739/stat : 29739 (pb_cplex) R 29738 29738 29483 0 -1 4202496 6513 0 0 0 466 2 0 0 25 0 1 0 142908595 28778496 3847 1992294400 134512640 146736320 4287986416 18446744073709551615 144757825 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29739/statm: 7026 3847 942 2985 0 3568 0
Current children cumulated CPU time (s) 4.68
Current children cumulated vsize (KiB) 36804

[startup+5.10076 s]
/proc/loadavg: 2.36 2.13 1.38 2/108 29740
/proc/meminfo: memFree=1466972/2059040 swapFree=4138588/4192956
[pid=29738] ppid=29736 vsize=8700 CPUtime=0
/proc/29738/stat : 29738 (run) S 29736 29738 29483 0 -1 4202496 365 0 0 0 0 0 0 0 18 0 1 0 142908595 8908800 249 1992294400 4194304 4922060 140733507680144 18446744073709551615 213104827525 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/29738/statm: 2175 249 208 178 0 68 0
[pid=29739] ppid=29738 vsize=28104 CPUtime=5.08
/proc/29739/stat : 29739 (pb_cplex) R 29738 29738 29483 0 -1 4202496 6520 0 0 0 506 2 0 0 25 0 1 0 142908595 28778496 3854 1992294400 134512640 146736320 4287986416 18446744073709551615 137149042 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29739/statm: 7026 3854 949 2985 0 3568 0
Current children cumulated CPU time (s) 5.08
Current children cumulated vsize (KiB) 36804

[startup+5.30077 s]
/proc/loadavg: 2.36 2.13 1.38 2/108 29740
/proc/meminfo: memFree=1466972/2059040 swapFree=4138588/4192956
[pid=29738] ppid=29736 vsize=8700 CPUtime=0
/proc/29738/stat : 29738 (run) S 29736 29738 29483 0 -1 4202496 365 0 0 0 0 0 0 0 18 0 1 0 142908595 8908800 249 1992294400 4194304 4922060 140733507680144 18446744073709551615 213104827525 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/29738/statm: 2175 249 208 178 0 68 0
[pid=29739] ppid=29738 vsize=25412 CPUtime=5.28
/proc/29739/stat : 29739 (pb_cplex) R 29738 29738 29483 0 -1 4202496 6542 0 0 0 526 2 0 0 25 0 1 0 142908595 26021888 3509 1992294400 134512640 146736320 4287986416 18446744073709551615 136765696 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29739/statm: 6353 3509 971 2985 0 2895 0
Current children cumulated CPU time (s) 5.28
Current children cumulated vsize (KiB) 34112

Child status: 0
Real time (s): 5.31153
CPU time (s): 5.30719
CPU user time (s): 5.2762
CPU system time (s): 0.030995
CPU usage (%): 99.9183
Max. virtual memory (cumulated for all children) (KiB): 39136

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.2762
system time used= 0.030995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6926
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= 89

runsolver used 0.012998 second user time and 0.036994 second system time

The end

Launcher Data 

Begin job on node029 at 2010-07-01 22:28:52
IDJOB=2696336
IDBENCH=1430
IDSOLVER=1209
FILE ID=node029/2696336-1278016132
PBS_JOBID= 11198733
Free space on /tmp= 62492 MiB

SOLVER NAME= pb_cplex 2010-06-29
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga40_39_sat_pb.cnf.cr.opb
COMMAND LINE= run BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2696336-1278016132/watcher-2696336-1278016132 -o /tmp/evaluation-result-2696336-1278016132/solver-2696336-1278016132 -C 1800 -W 2000 -M 1800  run HOME/instance-2696336-1278016132.opb

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

MD5SUM BENCH= 72bb077846a4d869a09744c0b238b13c
RANDOM SEED=1889509816

node029.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		: 3000.221
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	: 6000.44
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		: 3000.221
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	: 5599.46
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1481280 kB
Buffers:        132052 kB
Cached:         339408 kB
SwapCached:       7084 kB
Active:         185556 kB
Inactive:       300036 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1481280 kB
SwapTotal:     4192956 kB
SwapFree:      4138588 kB
Dirty:           16992 kB
Writeback:           0 kB
AnonPages:       12588 kB
Mapped:          11840 kB
Slab:            70188 kB
PageTables:       4204 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182828 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= 62476 MiB
End job on node029 at 2010-07-01 22:28:57