Trace number 2065170

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
pcs-restart 0.3.2UNSAT 1.81472 1.8307

DiagnosticValue
ASSIGNMENTS144

General information on the benchmark

Namecsp/fischer/
normalized-fischer-10-3-fair.xml
MD5SUM14b32115813e5a5ce1b329ea369de09a
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark1.81472
Satisfiable
(Un)Satisfiability was proved
Number of variables8447
Number of constraints7987
Maximum constraint arity3
Maximum domain size20001
Number of constraints which are defined in extension0
Number of constraints which are defined in intension7987
Global constraints used (with number of constraints)

Solver Data

0.00/0.02	c has big domains
0.00/0.02	c big-domain mode
0.00/0.02	c Seed is 170272458
0.00/0.02	c Constructing HOME/instance-2065170-1247703463.xml  with 10913 constraints
0.38/0.44	c Solving 144 backtracks 4 restarts
1.77/1.82	s UNSATISFIABLE
1.77/1.82	d ASSIGNMENTS 144

Verifier Data

No possible verification on an UNSAT instance

Watcher Data

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2065170-1247703463/watcher-2065170-1247703463 -o /tmp/evaluation-result-2065170-1247703463/solver-2065170-1247703463 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 170272458 HOME/instance-2065170-1247703463.xml 

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): 921600 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 972800 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.03 2.08 1.94 4/81 11600
/proc/meminfo: memFree=1333960/2055920 swapFree=4191900/4192956
[pid=11600] ppid=11598 vsize=18576 CPUtime=0
/proc/11600/stat : 11600 (runsolver) R 11598 11600 10935 0 -1 4194368 15 0 0 0 0 0 0 0 18 0 1 0 57412454 19021824 284 996147200 4194304 4302564 548682068496 18446744073709551615 221780700455 0 0 4096 24578 0 0 0 17 1 0 0
/proc/11600/statm: 4644 284 249 26 0 2626 0

[startup+0.045806 s]
/proc/loadavg: 2.03 2.08 1.94 4/81 11600
/proc/meminfo: memFree=1333960/2055920 swapFree=4191900/4192956
[pid=11600] ppid=11598 vsize=5088 CPUtime=0.02
/proc/11600/stat : 11600 (pcs.big) R 11598 11600 10935 0 -1 4194304 938 657 0 0 2 0 0 0 21 0 1 0 57412454 5210112 569 996147200 134512640 135215973 4294956304 18446744073709551615 134761742 0 0 4096 0 0 0 0 17 0 0 0
/proc/11600/statm: 1272 569 361 171 0 197 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 5088

[startup+0.101814 s]
/proc/loadavg: 2.03 2.08 1.94 4/81 11600
/proc/meminfo: memFree=1333960/2055920 swapFree=4191900/4192956
[pid=11600] ppid=11598 vsize=7440 CPUtime=0.07
/proc/11600/stat : 11600 (pcs.big) R 11598 11600 10935 0 -1 4194304 1575 657 0 0 7 0 0 0 21 0 1 0 57412454 7618560 1001 996147200 134512640 135215973 4294956304 18446744073709551615 4159189312 0 0 4096 0 0 0 0 17 0 0 0
/proc/11600/statm: 1860 1001 385 171 0 785 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 7440

[startup+0.301822 s]
/proc/loadavg: 2.03 2.08 1.94 4/81 11600
/proc/meminfo: memFree=1333960/2055920 swapFree=4191900/4192956
[pid=11600] ppid=11598 vsize=9032 CPUtime=0.27
/proc/11600/stat : 11600 (pcs.big) R 11598 11600 10935 0 -1 4194304 2022 657 0 0 27 0 0 0 23 0 1 0 57412454 9248768 1415 996147200 134512640 135215973 4294956304 18446744073709551615 4159732865 0 0 4096 0 0 0 0 17 0 0 0
/proc/11600/statm: 2258 1415 389 171 0 1183 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 9032

[startup+0.701853 s]
/proc/loadavg: 2.03 2.08 1.94 4/81 11600
/proc/meminfo: memFree=1333960/2055920 swapFree=4191900/4192956
[pid=11600] ppid=11598 vsize=13644 CPUtime=0.67
/proc/11600/stat : 11600 (pcs.big) R 11598 11600 10935 0 -1 4194304 3559 657 0 0 66 1 0 0 25 0 1 0 57412454 13971456 2419 996147200 134512640 135215973 4294956304 18446744073709551615 134590070 0 0 4096 0 0 0 0 17 0 0 0
/proc/11600/statm: 3411 2419 409 171 0 2336 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 13644

[startup+1.5019 s]
/proc/loadavg: 2.03 2.08 1.94 3/82 11605
/proc/meminfo: memFree=1325688/2055920 swapFree=4191900/4192956
[pid=11600] ppid=11598 vsize=13928 CPUtime=1.47
/proc/11600/stat : 11600 (pcs.big) R 11598 11600 10935 0 -1 4194304 3642 657 0 0 146 1 0 0 25 0 1 0 57412454 14262272 2502 996147200 134512640 135215973 4294956304 18446744073709551615 4158960255 0 0 4096 0 0 0 0 17 0 0 0
/proc/11600/statm: 3482 2502 409 171 0 2407 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 13928

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

[startup+1.70192 s]
/proc/loadavg: 2.03 2.08 1.94 3/82 11605
/proc/meminfo: memFree=1325688/2055920 swapFree=4191900/4192956
[pid=11600] ppid=11598 vsize=13928 CPUtime=1.67
/proc/11600/stat : 11600 (pcs.big) R 11598 11600 10935 0 -1 4194304 3646 657 0 0 166 1 0 0 25 0 1 0 57412454 14262272 2506 996147200 134512640 135215973 4294956304 18446744073709551615 134591908 0 0 4096 0 0 0 0 17 0 0 0
/proc/11600/statm: 3482 2506 409 171 0 2407 0
Current children cumulated CPU time (s) 1.67
Current children cumulated vsize (KiB) 13928

[startup+1.80192 s]
/proc/loadavg: 2.03 2.08 1.94 3/82 11605
/proc/meminfo: memFree=1325688/2055920 swapFree=4191900/4192956
[pid=11600] ppid=11598 vsize=13928 CPUtime=1.77
/proc/11600/stat : 11600 (pcs.big) R 11598 11600 10935 0 -1 4194304 3650 657 0 0 176 1 0 0 25 0 1 0 57412454 14262272 2510 996147200 134512640 135215973 4294956304 18446744073709551615 134590020 0 0 4096 0 0 0 0 17 0 0 0
/proc/11600/statm: 3482 2510 409 171 0 2407 0
Current children cumulated CPU time (s) 1.77
Current children cumulated vsize (KiB) 13928

Child status: 0
Real time (s): 1.8307
CPU time (s): 1.81472
CPU user time (s): 1.79573
CPU system time (s): 0.018997
CPU usage (%): 99.1274
Max. virtual memory (cumulated for all children) (KiB): 13928

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.79573
system time used= 0.018997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4312
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= 19
involuntary context switches= 37

runsolver used 0.001999 second user time and 0.010998 second system time

The end

Launcher Data

Begin job on node29 at 2009-07-16 02:17:43
IDJOB=2065170
IDBENCH=54322
IDSOLVER=734
FILE ID=node29/2065170-1247703463
PBS_JOBID= 9521253
Free space on /tmp= 66316 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/fischer/normalized-fischer-10-3-fair.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2065170-1247703463/watcher-2065170-1247703463 -o /tmp/evaluation-result-2065170-1247703463/solver-2065170-1247703463 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 170272458 HOME/instance-2065170-1247703463.xml

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 14b32115813e5a5ce1b329ea369de09a
RANDOM SEED=170272458

node29.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		: 3000.225
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		: 3000.225
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:       1334448 kB
Buffers:         75664 kB
Cached:         514252 kB
SwapCached:        392 kB
Active:         235444 kB
Inactive:       415384 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1334448 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:            3232 kB
Writeback:           0 kB
Mapped:          80624 kB
Slab:            55536 kB
Committed_AS:   705716 kB
PageTables:       2040 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= 66312 MiB
End job on node29 at 2009-07-16 02:17:45