Trace number 365479

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, and are wall clock time (not CPU 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
minisat+ 1.14UNSAT 1.9507 1.95305

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/
lp/data/normalized-mps-v2-20-10-brandy.opb
MD5SUM913c17bb7faa6362a8688d6500a7e54d
Bench CategoryOPT-BIGINT (optimisation, big integers)
Best result obtained on this benchmarkUNSAT
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark0.145976
Has Objective FunctionYES
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables7470
Total number of constraints182
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 constraints182
Minimum length of a constraint30
Maximum length of a constraint3540
Number of terms in the objective function 60
Biggest coefficient in the objective function 536870912
Number of bits for the biggest coefficient in the objective function 30
Sum of the numbers in the objective function 2147483646
Number of bits of the sum of numbers in the objective function 31
Biggest number in a constraint 10936060477440
Number of bits of the biggest number in a constraint 44
Biggest sum of numbers in a constraint 138160507849056
Number of bits of the biggest sum of numbers47
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data (download as text)

0.00/0.00	c Parsing PB file...
0.89/0.99	c Converting 272 PB-constraints to clauses...
0.99/1.00	c   -- Unit propagations: pppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp  -- Detecting intervals from adjacent constraints: #################################################################################
1.89/1.95	c   -- Clauses(.)/Splits(s): s
1.89/1.95	s UNSATISFIABLE
1.89/1.95	c _______________________________________________________________________________
1.89/1.95	c 
1.89/1.95	c restarts              : 0
1.89/1.95	c conflicts             : 0              (0 /sec)
1.89/1.95	c decisions             : 0              (0 /sec)
1.89/1.95	c propagations          : 0              (0 /sec)
1.89/1.95	c inspects              : 0              (0 /sec)
1.89/1.95	c CPU time              : 1.93971 s
1.89/1.95	c _______________________________________________________________________________

Verifier Data (download as text)

ERROR: no interpretation found !

Conversion Script Data (download as text)

/tmp/evaluation/365479-1177050725/instance-365479-1177050725.opb is already a linear file

Watcher Data (download as text)

runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node21/watcher-365479-1177050725 -o ROOT/results/node21/solver-365479-1177050725 -C 1800 -W 3600 -M 1800 --output-limit 1,15 /tmp/evaluation/365479-1177050725/minisat+ /tmp/evaluation/365479-1177050725/instance-365479-1177050725.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): 3600 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.02 1.01 1.00 3/77 8914
/proc/meminfo: memFree=1689664/2055920 swapFree=4163760/4192956
[pid=8914] ppid=8912 vsize=1180 CPUtime=0
/proc/8914/stat : 8914 (minisat+) R 8912 8914 6383 0 -1 4194304 125 0 0 0 0 0 0 0 18 0 1 0 152989816 1208320 110 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 135005828 0 0 4096 16386 0 0 0 17 1 0 0
/proc/8914/statm: 295 110 73 215 0 77 0

[startup+0.0183609 s]
/proc/loadavg: 1.02 1.01 1.00 3/77 8914
/proc/meminfo: memFree=1689664/2055920 swapFree=4163760/4192956
[pid=8914] ppid=8912 vsize=1316 CPUtime=0.01
/proc/8914/stat : 8914 (minisat+) R 8912 8914 6383 0 -1 4194304 169 0 0 0 1 0 0 0 18 0 1 0 152989816 1347584 154 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 134618819 0 0 4096 16386 0 0 0 17 1 0 0
/proc/8914/statm: 329 154 75 215 0 111 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 1316

[startup+0.101371 s]
/proc/loadavg: 1.02 1.01 1.00 3/77 8914
/proc/meminfo: memFree=1689664/2055920 swapFree=4163760/4192956
[pid=8914] ppid=8912 vsize=2012 CPUtime=0.09
/proc/8914/stat : 8914 (minisat+) R 8912 8914 6383 0 -1 4194304 346 0 0 0 9 0 0 0 18 0 1 0 152989816 2060288 331 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 135007481 0 0 4096 16386 0 0 0 17 1 0 0
/proc/8914/statm: 503 331 75 215 0 285 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2012

[startup+0.301391 s]
/proc/loadavg: 1.02 1.01 1.00 3/77 8914
/proc/meminfo: memFree=1689664/2055920 swapFree=4163760/4192956
[pid=8914] ppid=8912 vsize=3340 CPUtime=0.29
/proc/8914/stat : 8914 (minisat+) R 8912 8914 6383 0 -1 4194304 699 0 0 0 29 0 0 0 19 0 1 0 152989816 3420160 684 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 135012146 0 0 4096 16386 0 0 0 17 1 0 0
/proc/8914/statm: 835 684 75 215 0 617 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3340

[startup+0.701435 s]
/proc/loadavg: 1.02 1.01 1.00 3/77 8914
/proc/meminfo: memFree=1689664/2055920 swapFree=4163760/4192956
[pid=8914] ppid=8912 vsize=5304 CPUtime=0.69
/proc/8914/stat : 8914 (minisat+) R 8912 8914 6383 0 -1 4194304 1156 0 0 0 69 0 0 0 23 0 1 0 152989816 5431296 1141 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 135005853 0 0 4096 16386 0 0 0 17 1 0 0
/proc/8914/statm: 1326 1141 75 215 0 1108 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5304

[startup+1.50152 s]
/proc/loadavg: 1.02 1.01 1.00 2/78 8915
/proc/meminfo: memFree=1683768/2055920 swapFree=4163760/4192956
[pid=8914] ppid=8912 vsize=6800 CPUtime=1.49
/proc/8914/stat : 8914 (minisat+) R 8912 8914 6383 0 -1 4194304 1550 0 0 0 149 0 0 0 25 0 1 0 152989816 6963200 1535 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 135005778 0 0 4096 16386 0 0 0 17 1 0 0
/proc/8914/statm: 1700 1535 83 215 0 1482 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6800

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

[startup+1.90257 s]
/proc/loadavg: 1.02 1.01 1.00 2/78 8915
/proc/meminfo: memFree=1683768/2055920 swapFree=4163760/4192956
[pid=8914] ppid=8912 vsize=6800 CPUtime=1.89
/proc/8914/stat : 8914 (minisat+) R 8912 8914 6383 0 -1 4194304 1550 0 0 0 189 0 0 0 25 0 1 0 152989816 6963200 1535 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 135005822 0 0 4096 16386 0 0 0 17 1 0 0
/proc/8914/statm: 1700 1535 83 215 0 1482 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 6800

Child status: 20
Real time (s): 1.95305
CPU time (s): 1.9507
CPU user time (s): 1.9397
CPU system time (s): 0.010998
CPU usage (%): 99.8796
Max. virtual memory (cumulated for all children) (KiB): 6800

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.93971
system time used= 0.010998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1564
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= 8
involuntary context switches= 2

runsolver used 0.005999 second user time and 0.007998 second system time

The end

Launcher Data (download as text)

Begin job on node21 on Fri Apr 20 06:32:05 UTC 2007

IDJOB= 365479
IDBENCH= 2401
IDSOLVER= 156
FILE ID= node21/365479-1177050725

PBS_JOBID= 4640144

Free space on /tmp= 66388 MiB

SOLVER NAME= minisat+ 1.14
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/lp/data/normalized-mps-v2-20-10-brandy.opb
COMMAND LINE= /tmp/evaluation/365479-1177050725/minisat+ /tmp/evaluation/365479-1177050725/instance-365479-1177050725.opb            
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node21/convwatcher-365479-1177050725 -o ROOT/results/node21/conversion-365479-1177050725 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/365479-1177050725/instance-365479-1177050725.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node21/watcher-365479-1177050725 -o ROOT/results/node21/solver-365479-1177050725 -C 1800 -W 3600 -M 1800 --output-limit 1,15  /tmp/evaluation/365479-1177050725/minisat+ /tmp/evaluation/365479-1177050725/instance-365479-1177050725.opb            

META MD5SUM SOLVER= e46aded85e5f265b61da9cdcce06370e
MD5SUM BENCH=  913c17bb7faa6362a8688d6500a7e54d

RANDOM SEED= 513672327

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node21.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.232
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		: 3000.232
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:       1690072 kB
Buffers:         73328 kB
Cached:         196112 kB
SwapCached:       7592 kB
Active:         140376 kB
Inactive:       159992 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1690072 kB
SwapTotal:     4192956 kB
SwapFree:      4163760 kB
Dirty:            3396 kB
Writeback:           0 kB
Mapped:          34712 kB
Slab:            50968 kB
Committed_AS:  1675932 kB
PageTables:       1800 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= 66388 MiB

End job on node21 on Fri Apr 20 06:32:07 UTC 2007