Trace number 2081988

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 0.3.2UNSAT 28.1127 28.3721

DiagnosticValue
ASSIGNMENTS0

General information on the benchmark

Namecsp/rlfapScens/
normalized-scen8.xml
MD5SUMd7cebb3d1eb044a9483fdd1ea1c74095
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.556914
Satisfiable
(Un)Satisfiability was proved
Number of variables916
Number of constraints5744
Maximum constraint arity2
Maximum domain size44
Number of constraints which are defined in extension0
Number of constraints which are defined in intension5744
Global constraints used (with number of constraints)

Solver Data 

0.00/0.01	c has big domains
0.00/0.01	c big-domain mode
0.00/0.21	c Seed is 1597852802
0.00/0.21	c Constructing HOME/instance-2081988-1247720699.xml  with 16774 constraints
0.37/0.41	c Solving 0 backtracks
28.02/28.35	s UNSATISFIABLE
28.02/28.35	d ASSIGNMENTS 0

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-2081988-1247720699/watcher-2081988-1247720699 -o /tmp/evaluation-result-2081988-1247720699/solver-2081988-1247720699 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 1597852802 HOME/instance-2081988-1247720699.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: 2.11 2.05 2.01 4/81 13928
/proc/meminfo: memFree=1487752/2055920 swapFree=4192812/4192956
[pid=13928] ppid=13926 vsize=5356 CPUtime=0
/proc/13928/stat : 13928 (pcssolve) R 13926 13928 12541 0 -1 4194304 271 0 0 0 0 0 0 0 20 0 1 0 59136788 5484544 239 996147200 4194304 4889804 548682068800 18446744073709551615 231962214645 0 0 4100 65536 0 0 0 17 1 0 0
/proc/13928/statm: 1339 239 199 169 0 50 0

[startup+0.213691 s]
/proc/loadavg: 2.11 2.05 2.01 4/81 13928
/proc/meminfo: memFree=1487752/2055920 swapFree=4192812/4192956
[pid=13928] ppid=13926 vsize=9724 CPUtime=0.18
/proc/13928/stat : 13928 (pcs.big) R 13926 13928 12541 0 -1 4194304 2187 662 0 0 18 0 0 0 19 0 1 0 59136788 9957376 1708 996147200 134512640 135215973 4294956304 18446744073709551615 134762862 0 0 4096 0 0 0 0 17 1 0 0
/proc/13928/statm: 2431 1708 385 171 0 1356 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 9724

[startup+0.302581 s]
/proc/loadavg: 2.11 2.05 2.01 4/81 13928
/proc/meminfo: memFree=1487752/2055920 swapFree=4192812/4192956
[pid=13928] ppid=13926 vsize=11580 CPUtime=0.28
/proc/13928/stat : 13928 (pcs.big) R 13926 13928 12541 0 -1 4194304 2695 662 0 0 27 1 0 0 19 0 1 0 59136788 11857920 1998 996147200 134512640 135215973 4294956304 18446744073709551615 4160172288 0 0 4096 0 0 0 0 17 1 0 0
/proc/13928/statm: 2895 1998 385 171 0 1820 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 11580

[startup+0.402556 s]
/proc/loadavg: 2.11 2.05 2.01 4/81 13928
/proc/meminfo: memFree=1487752/2055920 swapFree=4192812/4192956
[pid=13928] ppid=13926 vsize=12872 CPUtime=0.37
/proc/13928/stat : 13928 (pcs.big) R 13926 13928 12541 0 -1 4194304 3149 662 0 0 36 1 0 0 20 0 1 0 59136788 13180928 2323 996147200 134512640 135215973 4294956304 18446744073709551615 7636817 0 0 4096 0 0 0 0 17 1 0 0
/proc/13928/statm: 3218 2323 385 171 0 2143 0
Current children cumulated CPU time (s) 0.37
Current children cumulated vsize (KiB) 12872

[startup+0.702463 s]
/proc/loadavg: 2.11 2.05 2.01 4/81 13928
/proc/meminfo: memFree=1487752/2055920 swapFree=4192812/4192956
[pid=13928] ppid=13926 vsize=14528 CPUtime=0.67
/proc/13928/stat : 13928 (pcs.big) R 13926 13928 12541 0 -1 4194304 3732 662 0 0 66 1 0 0 23 0 1 0 59136788 14876672 2784 996147200 134512640 135215973 4294956304 18446744073709551615 4158960000 0 0 4096 0 0 0 0 17 1 0 0
/proc/13928/statm: 3632 2784 401 171 0 2557 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 14528

[startup+1.50123 s]
/proc/loadavg: 2.11 2.05 2.01 3/82 13933
/proc/meminfo: memFree=1473856/2055920 swapFree=4192812/4192956
[pid=13928] ppid=13926 vsize=20548 CPUtime=1.46
/proc/13928/stat : 13928 (pcs.big) R 13926 13928 12541 0 -1 4194304 5202 662 0 0 145 1 0 0 25 0 1 0 59136788 21041152 4254 996147200 134512640 135215973 4294956304 18446744073709551615 134585694 0 0 4096 0 0 0 0 17 1 0 0
/proc/13928/statm: 5137 4254 401 171 0 4062 0
Current children cumulated CPU time (s) 1.46
Current children cumulated vsize (KiB) 20548

[startup+3.10177 s]
/proc/loadavg: 2.11 2.05 2.01 3/82 13933
/proc/meminfo: memFree=1465856/2055920 swapFree=4192812/4192956
[pid=13928] ppid=13926 vsize=33032 CPUtime=3.06
/proc/13928/stat : 13928 (pcs.big) R 13926 13928 12541 0 -1 4194304 8400 662 0 0 303 3 0 0 25 0 1 0 59136788 33824768 7399 996147200 134512640 135215973 4294956304 18446744073709551615 134600115 0 0 4096 0 0 0 0 17 1 0 0
/proc/13928/statm: 8258 7399 401 171 0 7183 0
Current children cumulated CPU time (s) 3.06
Current children cumulated vsize (KiB) 33032

[startup+6.30186 s]
/proc/loadavg: 2.10 2.04 2.01 3/82 13933
/proc/meminfo: memFree=1439872/2055920 swapFree=4192812/4192956
[pid=13928] ppid=13926 vsize=71372 CPUtime=6.22
/proc/13928/stat : 13928 (pcs.big) R 13926 13928 12541 0 -1 4194304 18089 662 0 0 616 6 0 0 25 0 1 0 59136788 73084928 16774 996147200 134512640 135215973 4294956304 18446744073709551615 134583640 0 0 4096 0 0 0 0 17 1 0 0
/proc/13928/statm: 17843 16774 401 171 0 16768 0
Current children cumulated CPU time (s) 6.22
Current children cumulated vsize (KiB) 71372

[startup+12.701 s]
/proc/loadavg: 2.10 2.04 2.01 3/82 13933
/proc/meminfo: memFree=1421632/2055920 swapFree=4192812/4192956
[pid=13928] ppid=13926 vsize=71372 CPUtime=12.56
/proc/13928/stat : 13928 (pcs.big) R 13926 13928 12541 0 -1 4194304 18121 662 0 0 1250 6 0 0 25 0 1 0 59136788 73084928 16806 996147200 134512640 135215973 4294956304 18446744073709551615 4158960683 0 0 4096 0 0 0 0 17 1 0 0
/proc/13928/statm: 17843 16806 401 171 0 16768 0
Current children cumulated CPU time (s) 12.56
Current children cumulated vsize (KiB) 71372

[startup+25.5063 s]
/proc/loadavg: 2.07 2.04 2.01 3/82 13933
/proc/meminfo: memFree=1414784/2055920 swapFree=4192812/4192956
[pid=13928] ppid=13926 vsize=78104 CPUtime=25.25
/proc/13928/stat : 13928 (pcs.big) R 13926 13928 12541 0 -1 4194304 19870 662 0 0 2518 7 0 0 25 0 1 0 59136788 79978496 18555 996147200 134512640 135215973 4294956304 18446744073709551615 134583640 0 0 4096 0 0 0 0 17 1 0 0
/proc/13928/statm: 19526 18555 401 171 0 18451 0
Current children cumulated CPU time (s) 25.25
Current children cumulated vsize (KiB) 78104

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

[startup+25.7013 s]
/proc/loadavg: 2.07 2.04 2.01 3/82 13933
/proc/meminfo: memFree=1414784/2055920 swapFree=4192812/4192956
[pid=13928] ppid=13926 vsize=78368 CPUtime=25.45
/proc/13928/stat : 13928 (pcs.big) R 13926 13928 12541 0 -1 4194304 19942 662 0 0 2538 7 0 0 25 0 1 0 59136788 80248832 18627 996147200 134512640 135215973 4294956304 18446744073709551615 134583640 0 0 4096 0 0 0 0 17 1 0 0
/proc/13928/statm: 19592 18627 401 171 0 18517 0
Current children cumulated CPU time (s) 25.45
Current children cumulated vsize (KiB) 78368

[startup+27.3018 s]
/proc/loadavg: 2.07 2.04 2.01 3/82 13933
/proc/meminfo: memFree=1413504/2055920 swapFree=4192812/4192956
[pid=13928] ppid=13926 vsize=80480 CPUtime=27.04
/proc/13928/stat : 13928 (pcs.big) R 13926 13928 12541 0 -1 4194304 20487 662 0 0 2697 7 0 0 25 0 1 0 59136788 82411520 19172 996147200 134512640 135215973 4294956304 18446744073709551615 134583640 0 0 4096 0 0 0 0 17 1 0 0
/proc/13928/statm: 20120 19172 401 171 0 19045 0
Current children cumulated CPU time (s) 27.04
Current children cumulated vsize (KiB) 80480

[startup+28.1016 s]
/proc/loadavg: 2.07 2.04 2.01 3/82 13933
/proc/meminfo: memFree=1411904/2055920 swapFree=4192812/4192956
[pid=13928] ppid=13926 vsize=81668 CPUtime=27.82
/proc/13928/stat : 13928 (pcs.big) R 13926 13928 12541 0 -1 4194304 20783 662 0 0 2775 7 0 0 25 0 1 0 59136788 83628032 19468 996147200 134512640 135215973 4294956304 18446744073709551615 134585694 0 0 4096 0 0 0 0 17 1 0 0
/proc/13928/statm: 20417 19468 401 171 0 19342 0
Current children cumulated CPU time (s) 27.82
Current children cumulated vsize (KiB) 81668

[startup+28.3015 s]
/proc/loadavg: 2.07 2.04 2.01 3/82 13933
/proc/meminfo: memFree=1411904/2055920 swapFree=4192812/4192956
[pid=13928] ppid=13926 vsize=78540 CPUtime=28.02
/proc/13928/stat : 13928 (pcs.big) R 13926 13928 12541 0 -1 4194304 20831 662 0 0 2795 7 0 0 25 0 1 0 59136788 80424960 18826 996147200 134512640 135215973 4294956304 18446744073709551615 134532677 0 0 4096 0 0 0 0 17 1 0 0
/proc/13928/statm: 19635 18826 403 171 0 18560 0
Current children cumulated CPU time (s) 28.02
Current children cumulated vsize (KiB) 78540

Child status: 0
Real time (s): 28.3721
CPU time (s): 28.1127
CPU user time (s): 28.0217
CPU system time (s): 0.090986
CPU usage (%): 99.0859
Max. virtual memory (cumulated for all children) (KiB): 81668

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 28.0217
system time used= 0.090986
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 21495
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= 1174

runsolver used 0.046992 second user time and 0.086986 second system time

The end

Launcher Data 

Begin job on node16 at 2009-07-16 07:04:59
IDJOB=2081988
IDBENCH=57517
IDSOLVER=733
FILE ID=node16/2081988-1247720699
PBS_JOBID= 9521454
Free space on /tmp= 66412 MiB

SOLVER NAME= pcs 0.2
BENCH NAME= CPAI08/csp/rlfapScens/normalized-scen8.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2081988-1247720699/watcher-2081988-1247720699 -o /tmp/evaluation-result-2081988-1247720699/solver-2081988-1247720699 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 1597852802 HOME/instance-2081988-1247720699.xml

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

MD5SUM BENCH= d7cebb3d1eb044a9483fdd1ea1c74095
RANDOM SEED=1597852802

node16.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		: 3000.231
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		: 3000.231
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:       1488232 kB
Buffers:         69864 kB
Cached:         389612 kB
SwapCached:          0 kB
Active:          80120 kB
Inactive:       418204 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1488232 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2496 kB
Writeback:           0 kB
Mapped:          59248 kB
Slab:            54400 kB
Committed_AS:   549368 kB
PageTables:       1952 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= 66412 MiB
End job on node16 at 2009-07-16 07:05:28