Trace number 2655388

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
wbo 1.4aSAT 1.15482 1.16949

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
prestwich/robin/normalized-robin10.opb
MD5SUM93a881e30e7c33fefd66d9521eb49849
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 benchmark1.15482
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables2025
Total number of constraints410
Number of constraints which are clauses180
Number of constraints which are cardinality constraints (but not clauses)230
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint45
Maximum length of a constraint81
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 2
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 83
Number of bits of the biggest sum of numbers7
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.01	c wbo 1.4 beta - 20100517
0.00/0.01	c Parsing opb file format. File HOME/instance-2655388-1276260385.opb.
0.00/0.01	c Instance file HOME/instance-2655388-1276260385.opb
0.00/0.01	c File size is 174482 bytes.
0.00/0.04	c Highest Coefficient sum: 83
0.00/0.04	c ============================[ Problem Statistics ]=============================
0.00/0.04	c |                                                                             |
0.00/0.04	c |  Parsing time:          0.03         s                                      |
0.00/0.04	c |  Number Variables:      2025                                                |
0.00/0.04	c |  Number Clauses:        180                                                 |
0.00/0.04	c |  Number Cardinality:    230                                                 |
0.00/0.04	c |  Number PB Constraints: 0                                                   |
0.00/0.04	c ============================[ Search Statistics ]==============================
0.00/0.04	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.04	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.00/0.04	c ===============================================================================
0.00/0.04	c |         0 |    2025      410    20250 |     5000        0    nan |  0.000 % |
0.00/0.06	c |       101 |    2025      410    20250 |     5500      101     90 |  0.000 % |
0.08/0.11	c |       252 |    2025      410    20250 |     6050      252    182 |  0.000 % |
0.08/0.16	c |       477 |    2025      410    20250 |     6655      477    168 |  0.000 % |
0.18/0.28	c |       819 |    2025      410    20250 |     7320      819    206 |  0.000 % |
0.37/0.44	c |      1325 |    2025      410    20250 |     8052     1325    254 |  0.000 % |
0.57/0.62	c |      2087 |    2025      410    20250 |     8857     2087    240 |  0.000 % |
0.98/1.02	c |      3226 |    2025      410    20250 |     9743     3226    248 |  0.000 % |
1.08/1.16	c ===============================================================================
1.08/1.16	c #cores: 0
1.08/1.16	c Final Weight: 0
1.08/1.16	s SATISFIABLE
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-x2017 -x2018 -x2019 -x2020 -x2021 -x2022 -x2023 -x2024 -x2025
1.08/1.16	c Total CPU time: 1.13483 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-2655388-1276260385/watcher-2655388-1276260385 -o /tmp/evaluation-result-2655388-1276260385/solver-2655388-1276260385 -C 1800 -W 2000 -M 1800 wbo1.4a -file-format=opb -time-limit=1800 HOME/instance-2655388-1276260385.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: 0.00 0.00 0.00 2/106 3383
/proc/meminfo: memFree=1615872/2059040 swapFree=4192956/4192956
[pid=3383] ppid=3381 vsize=2444 CPUtime=0
/proc/3383/stat : 3383 (wbo1.4a) R 3381 3383 3358 0 -1 4202496 217 0 0 0 0 0 0 0 17 0 1 0 2026600 2502656 137 1992294400 134512640 135751879 4291206096 18446744073709551615 135268515 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/3383/statm: 654 148 125 303 0 306 0

[startup+0.101129 s]
/proc/loadavg: 0.00 0.00 0.00 2/106 3383
/proc/meminfo: memFree=1615872/2059040 swapFree=4192956/4192956
[pid=3383] ppid=3381 vsize=3436 CPUtime=0.08
/proc/3383/stat : 3383 (wbo1.4a) R 3381 3383 3358 0 -1 4202496 536 0 0 0 8 0 0 0 17 0 1 0 2026600 3518464 412 1992294400 134512640 135751879 4291206096 18446744073709551615 134605024 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/3383/statm: 859 412 143 303 0 554 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 3436

[startup+0.20114 s]
/proc/loadavg: 0.00 0.00 0.00 2/106 3383
/proc/meminfo: memFree=1615872/2059040 swapFree=4192956/4192956
[pid=3383] ppid=3381 vsize=3700 CPUtime=0.18
/proc/3383/stat : 3383 (wbo1.4a) R 3381 3383 3358 0 -1 4202496 618 0 0 0 18 0 0 0 17 0 1 0 2026600 3788800 494 1992294400 134512640 135751879 4291206096 18446744073709551615 134610337 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/3383/statm: 925 494 143 303 0 620 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 3700

[startup+0.301151 s]
/proc/loadavg: 0.00 0.00 0.00 2/106 3383
/proc/meminfo: memFree=1615872/2059040 swapFree=4192956/4192956
[pid=3383] ppid=3381 vsize=4096 CPUtime=0.28
/proc/3383/stat : 3383 (wbo1.4a) R 3381 3383 3358 0 -1 4202496 703 0 0 0 28 0 0 0 18 0 1 0 2026600 4194304 579 1992294400 134512640 135751879 4291206096 18446744073709551615 134518464 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/3383/statm: 1024 579 143 303 0 719 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 4096

[startup+0.701195 s]
/proc/loadavg: 0.00 0.00 0.00 2/106 3383
/proc/meminfo: memFree=1615872/2059040 swapFree=4192956/4192956
[pid=3383] ppid=3381 vsize=5680 CPUtime=0.68
/proc/3383/stat : 3383 (wbo1.4a) R 3381 3383 3358 0 -1 4202496 1103 0 0 0 67 1 0 0 18 0 1 0 2026600 5816320 979 1992294400 134512640 135751879 4291206096 18446744073709551615 134616876 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/3383/statm: 1420 979 143 303 0 1115 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 5680

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

[startup+0.801205 s]
/proc/loadavg: 0.00 0.00 0.00 2/106 3383
/proc/meminfo: memFree=1615872/2059040 swapFree=4192956/4192956
[pid=3383] ppid=3381 vsize=5944 CPUtime=0.78
/proc/3383/stat : 3383 (wbo1.4a) R 3381 3383 3358 0 -1 4202496 1184 0 0 0 77 1 0 0 18 0 1 0 2026600 6086656 1060 1992294400 134512640 135751879 4291206096 18446744073709551615 134610323 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/3383/statm: 1486 1060 143 303 0 1181 0
Current children cumulated CPU time (s) 0.78
Current children cumulated vsize (KiB) 5944

[startup+1.00123 s]
/proc/loadavg: 0.00 0.00 0.00 2/106 3383
/proc/meminfo: memFree=1615872/2059040 swapFree=4192956/4192956
[pid=3383] ppid=3381 vsize=6736 CPUtime=0.98
/proc/3383/stat : 3383 (wbo1.4a) R 3381 3383 3358 0 -1 4202496 1358 0 0 0 97 1 0 0 19 0 1 0 2026600 6897664 1234 1992294400 134512640 135751879 4291206096 18446744073709551615 134616879 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/3383/statm: 1684 1234 143 303 0 1379 0
Current children cumulated CPU time (s) 0.98
Current children cumulated vsize (KiB) 6736

[startup+1.10124 s]
/proc/loadavg: 0.00 0.00 0.00 2/107 3384
/proc/meminfo: memFree=1610904/2059040 swapFree=4192956/4192956
[pid=3383] ppid=3381 vsize=7000 CPUtime=1.08
/proc/3383/stat : 3383 (wbo1.4a) R 3381 3383 3358 0 -1 4202496 1437 0 0 0 107 1 0 0 19 0 1 0 2026600 7168000 1313 1992294400 134512640 135751879 4291206096 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/3383/statm: 1750 1313 143 303 0 1445 0
Current children cumulated CPU time (s) 1.08
Current children cumulated vsize (KiB) 7000

Child status: 0
Real time (s): 1.16949
CPU time (s): 1.15482
CPU user time (s): 1.13483
CPU system time (s): 0.019996
CPU usage (%): 98.7456
Max. virtual memory (cumulated for all children) (KiB): 7000

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.13483
system time used= 0.019996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1480
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= 11

runsolver used 0.007998 second user time and 0.021996 second system time

The end

Launcher Data 

Begin job on node005 at 2010-06-11 14:46:26
IDJOB=2655388
IDBENCH=1154
IDSOLVER=1160
FILE ID=node005/2655388-1276260385
PBS_JOBID= 11172205
Free space on /tmp= 62532 MiB

SOLVER NAME= wbo 1.4a
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/prestwich/robin/normalized-robin10.opb
COMMAND LINE= wbo1.4a -file-format=opb -time-limit=TIMEOUT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2655388-1276260385/watcher-2655388-1276260385 -o /tmp/evaluation-result-2655388-1276260385/solver-2655388-1276260385 -C 1800 -W 2000 -M 1800  wbo1.4a -file-format=opb -time-limit=1800 HOME/instance-2655388-1276260385.opb

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

MD5SUM BENCH= 93a881e30e7c33fefd66d9521eb49849
RANDOM SEED=1036512148

node005.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		: 3000.246
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	: 6000.49
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		: 3000.246
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:       1617904 kB
Buffers:         39056 kB
Cached:         276752 kB
SwapCached:          0 kB
Active:         137972 kB
Inactive:       237868 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1617904 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            3108 kB
Writeback:           0 kB
AnonPages:       59956 kB
Mapped:          15376 kB
Slab:            43608 kB
PageTables:       4068 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180024 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= 62528 MiB
End job on node005 at 2010-06-11 14:46:27