Trace number 1880296

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
bsolo 3.1 pbSAT 57.9952 58.0196

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/
dbst/normalized-dbst_v30_e350_d15_mw10_2.opb.PB06.opb
MD5SUM2882e17c9be8b3b8a5ac8492f26b9dcd
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 benchmark1.43478
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1600
Total number of constraints328901
Number of constraints which are clauses327070
Number of constraints which are cardinality constraints (but not clauses)61
Number of constraints which are nor clauses,nor cardinality constraints1770
Minimum length of a constraint2
Maximum length of a constraint700
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 280
Number of bits of the biggest number in a constraint 9
Biggest sum of numbers in a constraint 825
Number of bits of the biggest sum of numbers10
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 bsolo beta version 3.1 - 13/04/2009 : 1630 GMT
0.00/0.00	c Developed by Vasco Manquinho and José Santos IST/UTL - INESC-ID
0.00/0.00	c type "bsolo -h" for help
0.00/0.00	c Time Limit set via environment variable PBTIMEOUT to 1800
0.00/0.00	c Learning Strategy: Generic Pseudo-Boolean Learning
0.00/0.00	c Time Limit set to 1800
0.00/0.00	c Memory Limit set to 1800 MB
0.00/0.00	c Instance file HOME/instance-1880296-1245125822.opb
0.00/0.00	c File size is 11433731 bytes.
1.49/1.52	c Highest Coefficient sum: 825
1.49/1.52	c Parsing was ok!!
1.49/1.52	c Total parsing time: 1.524 s
1.59/1.64	c Var: 1600 Constr: 328962 327130/62/1770 Lit: 1068140 Watch. Lit: 709702
1.59/1.64	c Obj. Vars: 0 (0 % of total variables)
57.77/57.87	c Pre-processing Time: 57.85 s
57.77/57.88	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
57.77/57.88	c        0   1600   307962  1005140    3   678598  249583      0      0 57.85
57.77/57.88	c Switching off lower bounding mode.
57.97/58.00	c Backtracks by Clause: 5
57.97/58.00	c Backtracks by PB constraint: 0
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57.97/58.00	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
57.97/58.00	c    0        5      1      685   307972  1005824     10      0 57.98
57.97/58.00	s SATISFIABLE
57.97/58.00	c Total time: 57.982 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-1880296-1245125822/watcher-1880296-1245125822 -o /tmp/evaluation-result-1880296-1245125822/solver-1880296-1245125822 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1880296-1245125822.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: 1.00 1.00 1.00 2/64 31883
/proc/meminfo: memFree=1103024/2055920 swapFree=4191900/4192956
[pid=31883] ppid=31881 vsize=21876 CPUtime=0
/proc/31883/stat : 31883 (bsolo) R 31881 31883 30979 0 -1 4194304 256 0 0 0 0 0 0 0 18 0 1 0 180183206 22401024 240 1992294400 134512640 137136520 4294956256 18446744073709551615 134519475 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31883/statm: 5469 240 174 640 0 2033 0

[startup+0.064969 s]
/proc/loadavg: 1.00 1.00 1.00 2/64 31883
/proc/meminfo: memFree=1103024/2055920 swapFree=4191900/4192956
[pid=31883] ppid=31881 vsize=23520 CPUtime=0.06
/proc/31883/stat : 31883 (bsolo) R 31881 31883 30979 0 -1 4194304 778 0 0 0 6 0 0 0 18 0 1 0 180183206 24084480 762 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31883/statm: 5880 763 286 640 0 2444 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 23520

[startup+0.101972 s]
/proc/loadavg: 1.00 1.00 1.00 2/64 31883
/proc/meminfo: memFree=1103024/2055920 swapFree=4191900/4192956
[pid=31883] ppid=31881 vsize=24476 CPUtime=0.09
/proc/31883/stat : 31883 (bsolo) R 31881 31883 30979 0 -1 4194304 1093 0 0 0 9 0 0 0 18 0 1 0 180183206 25063424 1077 1992294400 134512640 137136520 4294956256 18446744073709551615 136575102 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31883/statm: 6119 1077 354 640 0 2683 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 24476

[startup+0.301992 s]
/proc/loadavg: 1.00 1.00 1.00 2/64 31883
/proc/meminfo: memFree=1103024/2055920 swapFree=4191900/4192956
[pid=31883] ppid=31881 vsize=29808 CPUtime=0.29
/proc/31883/stat : 31883 (bsolo) R 31881 31883 30979 0 -1 4194304 2776 0 0 0 29 0 0 0 19 0 1 0 180183206 30523392 2760 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31883/statm: 7452 2761 722 640 0 4016 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 29808

[startup+0.70202 s]
/proc/loadavg: 1.00 1.00 1.00 2/64 31883
/proc/meminfo: memFree=1103024/2055920 swapFree=4191900/4192956
[pid=31883] ppid=31881 vsize=40200 CPUtime=0.69
/proc/31883/stat : 31883 (bsolo) R 31881 31883 30979 0 -1 4194304 6109 0 0 0 67 2 0 0 23 0 1 0 180183206 41164800 6093 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31883/statm: 10050 6094 1454 640 0 6614 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 40200

[startup+1.50109 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 31884
/proc/meminfo: memFree=1076584/2055920 swapFree=4191900/4192956
[pid=31883] ppid=31881 vsize=59824 CPUtime=1.49
/proc/31883/stat : 31883 (bsolo) R 31881 31883 30979 0 -1 4194304 12488 0 0 0 144 5 0 0 25 0 1 0 180183206 61259776 12472 1992294400 134512640 137136520 4294956256 18446744073709551615 134517592 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31883/statm: 14956 12472 2918 640 0 11520 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 59824

[startup+3.10122 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 31884
/proc/meminfo: memFree=1045544/2055920 swapFree=4191900/4192956
[pid=31883] ppid=31881 vsize=83316 CPUtime=3.09
/proc/31883/stat : 31883 (bsolo) R 31881 31883 30979 0 -1 4194304 21226 0 0 0 300 9 0 0 25 0 1 0 180183206 85315584 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31883/statm: 20829 18418 191 640 0 20185 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 83316

[startup+6.30249 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 31884
/proc/meminfo: memFree=1029928/2055920 swapFree=4191900/4192956
[pid=31883] ppid=31881 vsize=83316 CPUtime=6.29
/proc/31883/stat : 31883 (bsolo) R 31881 31883 30979 0 -1 4194304 21226 0 0 0 618 11 0 0 25 0 1 0 180183206 85315584 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31883/statm: 20829 18418 191 640 0 20185 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 83316

[startup+12.702 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 31884
/proc/meminfo: memFree=1029928/2055920 swapFree=4191900/4192956
[pid=31883] ppid=31881 vsize=83316 CPUtime=12.69
/proc/31883/stat : 31883 (bsolo) R 31881 31883 30979 0 -1 4194304 21226 0 0 0 1255 14 0 0 25 0 1 0 180183206 85315584 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31883/statm: 20829 18418 191 640 0 20185 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 83316

[startup+25.501 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 31884
/proc/meminfo: memFree=1029992/2055920 swapFree=4191900/4192956
[pid=31883] ppid=31881 vsize=83316 CPUtime=25.49
/proc/31883/stat : 31883 (bsolo) R 31881 31883 30979 0 -1 4194304 21226 0 0 0 2530 19 0 0 25 0 1 0 180183206 85315584 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31883/statm: 20829 18418 191 640 0 20185 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 83316

[startup+51.1011 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 31884
/proc/meminfo: memFree=1029992/2055920 swapFree=4191900/4192956
[pid=31883] ppid=31881 vsize=83316 CPUtime=51.07
/proc/31883/stat : 31883 (bsolo) R 31881 31883 30979 0 -1 4194304 21226 0 0 0 5076 31 0 0 25 0 1 0 180183206 85315584 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31883/statm: 20829 18418 191 640 0 20185 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 83316

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

[startup+54.3014 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 31884
/proc/meminfo: memFree=1030056/2055920 swapFree=4191900/4192956
[pid=31883] ppid=31881 vsize=83316 CPUtime=54.26
/proc/31883/stat : 31883 (bsolo) R 31881 31883 30979 0 -1 4194304 21226 0 0 0 5394 32 0 0 25 0 1 0 180183206 85315584 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31883/statm: 20829 18418 191 640 0 20185 0
Current children cumulated CPU time (s) 54.26
Current children cumulated vsize (KiB) 83316

[startup+55.9015 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 31884
/proc/meminfo: memFree=1030056/2055920 swapFree=4191900/4192956
[pid=31883] ppid=31881 vsize=83316 CPUtime=55.87
/proc/31883/stat : 31883 (bsolo) R 31881 31883 30979 0 -1 4194304 21226 0 0 0 5554 33 0 0 25 0 1 0 180183206 85315584 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31883/statm: 20829 18418 191 640 0 20185 0
Current children cumulated CPU time (s) 55.87
Current children cumulated vsize (KiB) 83316

[startup+56.7016 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 31884
/proc/meminfo: memFree=1030056/2055920 swapFree=4191900/4192956
[pid=31883] ppid=31881 vsize=83316 CPUtime=56.66
/proc/31883/stat : 31883 (bsolo) R 31881 31883 30979 0 -1 4194304 21226 0 0 0 5633 33 0 0 25 0 1 0 180183206 85315584 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 134540859 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31883/statm: 20829 18418 191 640 0 20185 0
Current children cumulated CPU time (s) 56.66
Current children cumulated vsize (KiB) 83316

[startup+57.5027 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 31884
/proc/meminfo: memFree=1030056/2055920 swapFree=4191900/4192956
[pid=31883] ppid=31881 vsize=82992 CPUtime=57.46
/proc/31883/stat : 31883 (bsolo) R 31881 31883 30979 0 -1 4194304 21226 0 0 0 5713 33 0 0 25 0 1 0 180183206 84983808 18337 1992294400 134512640 137136520 4294956256 18446744073709551615 136498262 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31883/statm: 20748 18337 191 640 0 20104 0
Current children cumulated CPU time (s) 57.46
Current children cumulated vsize (KiB) 82992

[startup+57.9017 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 31884
/proc/meminfo: memFree=1030056/2055920 swapFree=4191900/4192956
[pid=31883] ppid=31881 vsize=82992 CPUtime=57.87
/proc/31883/stat : 31883 (bsolo) R 31881 31883 30979 0 -1 4194304 21228 0 0 0 5753 34 0 0 25 0 1 0 180183206 84983808 18339 1992294400 134512640 137136520 4294956256 18446744073709551615 136498208 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31883/statm: 20748 18339 193 640 0 20104 0
Current children cumulated CPU time (s) 57.87
Current children cumulated vsize (KiB) 82992

[startup+58.0017 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 31884
/proc/meminfo: memFree=1030056/2055920 swapFree=4191900/4192956
[pid=31883] ppid=31881 vsize=82992 CPUtime=57.97
/proc/31883/stat : 31883 (bsolo) R 31881 31883 30979 0 -1 4194304 21233 0 0 0 5763 34 0 0 25 0 1 0 180183206 84983808 18344 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31883/statm: 20748 18344 197 640 0 20104 0
Current children cumulated CPU time (s) 57.97
Current children cumulated vsize (KiB) 82992

Child status: 0
Real time (s): 58.0196
CPU time (s): 57.9952
CPU user time (s): 57.6382
CPU system time (s): 0.356945
CPU usage (%): 99.9579
Max. virtual memory (cumulated for all children) (KiB): 83316

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 57.6382
system time used= 0.356945
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 21235
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= 2
involuntary context switches= 81

runsolver used 0.05999 second user time and 0.132979 second system time

The end

Launcher Data 

Begin job on node3 at 2009-06-16 06:17:02
IDJOB=1880296
IDBENCH=1379
IDSOLVER=701
FILE ID=node3/1880296-1245125822
PBS_JOBID= 9363659
Free space on /tmp= 66308 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/dbst/normalized-dbst_v30_e350_d15_mw10_2.opb.PB06.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1880296-1245125822/watcher-1880296-1245125822 -o /tmp/evaluation-result-1880296-1245125822/solver-1880296-1245125822 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1880296-1245125822.opb

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

MD5SUM BENCH= 2882e17c9be8b3b8a5ac8492f26b9dcd
RANDOM SEED=405135354

node3.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.236
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
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		: 3000.236
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1103440 kB
Buffers:         56780 kB
Cached:         816624 kB
SwapCached:        260 kB
Active:         134148 kB
Inactive:       752552 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1103440 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:           15312 kB
Writeback:           0 kB
Mapped:          21776 kB
Slab:            51804 kB
Committed_AS:   146836 kB
PageTables:       1376 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66304 MiB
End job on node3 at 2009-06-16 06:18:00