Trace number 459338

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 NameAnswerCPU timeWall clock time
PBS4_v2 2007-03-23Signal 3.70944 3.71186

General information on the benchmark

Namenormalized-PB07/PURE-SAT/SAT07/industrial/
manolios/manol-pipe-c6nidw_i.opb
MD5SUM0c63894d62f4302163b30af51999a51b
Bench CategoryPURE-SAT (instances containing only clauses)
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 benchmark751.243
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables95863
Total number of constraints283363
Number of constraints which are clauses283363
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 constraint1
Maximum length of a constraint3
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 5
Number of bits of the biggest sum of numbers3
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 PBS v4 by Bashar Al-Rawi & Fadi Aloul
0.00/0.00	c Solving /tmp/evaluation/459338-1178653419/instance-459338-1178653419.opb ......

Verifier Data (download as text)

ERROR: no interpretation found !

Conversion Script Data (download as text)

/tmp/evaluation/459338-1178653419/instance-459338-1178653419.opb is already a linear file

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node41/watcher-459338-1178653419 -o ROOT/results/node41/solver-459338-1178653419 -C 1800 -W 3600 -M 1800 --output-limit 1,15 PBS4_SAT07v2 /tmp/evaluation/459338-1178653419/instance-459338-1178653419.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 1.02 1.00 3/77 27526
/proc/meminfo: memFree=1861496/2055920 swapFree=4169412/4192956
[pid=27526] ppid=27524 vsize=10312 CPUtime=0
/proc/27526/stat : 27526 (PBS4_SAT07v2) R 27524 27526 27048 0 -1 4194304 499 0 0 0 0 0 0 0 18 0 1 0 313253809 10559488 481 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134570671 0 0 4096 16384 0 0 0 17 1 0 0
/proc/27526/statm: 2578 485 79 219 0 2355 0

[startup+0.0135251 s]
/proc/loadavg: 1.02 1.02 1.00 3/77 27526
/proc/meminfo: memFree=1861496/2055920 swapFree=4169412/4192956
[pid=27526] ppid=27524 vsize=10312 CPUtime=0
/proc/27526/stat : 27526 (PBS4_SAT07v2) R 27524 27526 27048 0 -1 4194304 1299 0 0 0 0 0 0 0 18 0 1 0 313253809 10559488 1281 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134570608 0 0 4096 16384 0 0 0 17 1 0 0
/proc/27526/statm: 2578 1285 79 219 0 2355 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 10312

[startup+0.102531 s]
/proc/loadavg: 1.02 1.02 1.00 3/77 27526
/proc/meminfo: memFree=1861496/2055920 swapFree=4169412/4192956
[pid=27526] ppid=27524 vsize=14520 CPUtime=0.09
/proc/27526/stat : 27526 (PBS4_SAT07v2) R 27524 27526 27048 0 -1 4194304 3545 0 0 0 8 1 0 0 18 0 1 0 313253809 14868480 3429 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134588793 0 0 4096 16384 0 0 0 17 1 0 0
/proc/27526/statm: 3630 3429 86 219 0 3407 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 14520

[startup+0.302548 s]
/proc/loadavg: 1.02 1.02 1.00 3/77 27526
/proc/meminfo: memFree=1861496/2055920 swapFree=4169412/4192956
[pid=27526] ppid=27524 vsize=16416 CPUtime=0.29
/proc/27526/stat : 27526 (PBS4_SAT07v2) R 27524 27526 27048 0 -1 4194304 4043 0 0 0 28 1 0 0 19 0 1 0 313253809 16809984 3781 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134594427 0 0 4096 16384 0 0 0 17 1 0 0
/proc/27526/statm: 4104 3781 86 219 0 3881 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 16416

[startup+0.701588 s]
/proc/loadavg: 1.02 1.02 1.00 3/77 27526
/proc/meminfo: memFree=1861496/2055920 swapFree=4169412/4192956
[pid=27526] ppid=27524 vsize=19208 CPUtime=0.69
/proc/27526/stat : 27526 (PBS4_SAT07v2) R 27524 27526 27048 0 -1 4194304 4893 0 0 0 67 2 0 0 22 0 1 0 313253809 19668992 4438 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134594427 0 0 4096 16384 0 0 0 17 1 0 0
/proc/27526/statm: 4802 4438 86 219 0 4579 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 19208

[startup+1.50165 s]
/proc/loadavg: 1.02 1.02 1.00 2/78 27527
/proc/meminfo: memFree=1842160/2055920 swapFree=4169412/4192956
[pid=27526] ppid=27524 vsize=24600 CPUtime=1.49
/proc/27526/stat : 27526 (PBS4_SAT07v2) R 27524 27526 27048 0 -1 4194304 6530 0 0 0 146 3 0 0 25 0 1 0 313253809 25190400 5690 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134594427 0 0 4096 16384 0 0 0 17 1 0 0
/proc/27526/statm: 6150 5690 86 219 0 5927 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 24600

[startup+3.10179 s]
/proc/loadavg: 1.02 1.02 1.00 2/78 27527
/proc/meminfo: memFree=1835184/2055920 swapFree=4169412/4192956
[pid=27526] ppid=27524 vsize=35324 CPUtime=3.09
/proc/27526/stat : 27526 (PBS4_SAT07v2) R 27524 27526 27048 0 -1 4194304 9707 0 0 0 305 4 0 0 25 0 1 0 313253809 36171776 8098 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134594427 0 0 4096 16384 0 0 0 17 1 0 0
/proc/27526/statm: 8831 8098 86 219 0 8608 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 35324

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

[startup+3.50183 s]
/proc/loadavg: 1.02 1.02 1.00 2/78 27527
/proc/meminfo: memFree=1828272/2055920 swapFree=4169412/4192956
[pid=27526] ppid=27524 vsize=60444 CPUtime=3.49
/proc/27526/stat : 27526 (PBS4_SAT07v2) R 27524 27526 27048 0 -1 4194304 11902 0 0 0 343 6 0 0 25 0 1 0 313253809 61894656 8756 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134570893 0 0 4096 16384 0 0 0 17 1 0 0
/proc/27526/statm: 15111 8758 87 219 0 14888 0
Current children cumulated CPU time (s) 3.49
Current children cumulated vsize (KiB) 60444

[startup+3.70184 s]
/proc/loadavg: 1.02 1.02 1.00 2/78 27527
/proc/meminfo: memFree=1828272/2055920 swapFree=4169412/4192956
[pid=27526] ppid=27524 vsize=53676 CPUtime=3.69
/proc/27526/stat : 27526 (PBS4_SAT07v2) R 27524 27526 27048 0 -1 4195840 15403 0 0 0 347 22 0 0 25 0 1 0 313253809 54964224 9329 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134585806 0 0 4096 16384 0 0 0 17 1 0 0
/proc/27526/statm: 13419 9329 87 219 0 13196 0
Current children cumulated CPU time (s) 3.69
Current children cumulated vsize (KiB) 53676

Child ended because it received signal 11 (SIGSEGV)
Real time (s): 3.71186
CPU time (s): 3.70944
CPU user time (s): 3.47247
CPU system time (s): 0.236963
CPU usage (%): 99.9345
Max. virtual memory (cumulated for all children) (KiB): 60444

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.47247
system time used= 0.236963
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 15607
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 0.003999 second user time and 0.016997 second system time

The end

Launcher Data (download as text)

Begin job on node41 on Tue May  8 19:43:39 UTC 2007

IDJOB= 459338
IDBENCH= 47799
IDSOLVER= 200
FILE ID= node41/459338-1178653419

PBS_JOBID= 5218394

Free space on /tmp= 66554 MiB

SOLVER NAME= PBS4_v2 2007-03-23
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/PURE-SAT/SAT07/industrial/manolios/manol-pipe-c6nidw_i.opb
COMMAND LINE= PBS4_SAT07v2 /tmp/evaluation/459338-1178653419/instance-459338-1178653419.opb
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node41/convwatcher-459338-1178653419 -o ROOT/results/node41/conversion-459338-1178653419 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/459338-1178653419/instance-459338-1178653419.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node41/watcher-459338-1178653419 -o ROOT/results/node41/solver-459338-1178653419 -C 1800 -W 3600 -M 1800 --output-limit 1,15  PBS4_SAT07v2 /tmp/evaluation/459338-1178653419/instance-459338-1178653419.opb

META MD5SUM SOLVER= 18cd8c68a4d3bfb01f29079966475a33
MD5SUM BENCH=  0c63894d62f4302163b30af51999a51b

RANDOM SEED= 106820976

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node41.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:       1861968 kB
Buffers:         22368 kB
Cached:          70456 kB
SwapCached:       2920 kB
Active:          66536 kB
Inactive:        50780 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1861968 kB
SwapTotal:     4192956 kB
SwapFree:      4169412 kB
Dirty:           10712 kB
Writeback:           0 kB
Mapped:          32172 kB
Slab:            61980 kB
Committed_AS:  8581808 kB
PageTables:       2012 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= 66518 MiB

End job on node41 on Tue May  8 19:43:43 UTC 2007