Trace number 2066391

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 7.07692 7.15151

DiagnosticValue
ASSIGNMENTS876

General information on the benchmark

Namecsp/pseudo/ssa/
normalized-ssa-2670-130.xml
MD5SUMb5993597be648f09433dc31824ccc5b5
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 benchmark1.85172
Satisfiable
(Un)Satisfiability was proved
Number of variables2718
Number of constraints4676
Maximum constraint arity5
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension4676
Global constraints used (with number of constraints)

Solver Data 

0.00/0.02	c has operations which may create big domains
0.00/0.02	c big-domain mode
0.00/0.02	c Seed is 1429983075
0.00/0.02	c Constructing HOME/instance-2066391-1247704886.xml  with 13043 constraints
0.27/0.34	c Solving 876 backtracks 8 restarts
7.01/7.14	s UNSATISFIABLE
7.01/7.14	d ASSIGNMENTS 876

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-2066391-1247704886/watcher-2066391-1247704886 -o /tmp/evaluation-result-2066391-1247704886/solver-2066391-1247704886 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 1429983075 HOME/instance-2066391-1247704886.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: 2.22 2.10 1.97 4/81 13135
/proc/meminfo: memFree=1397288/2055920 swapFree=4192812/4192956
[pid=13135] ppid=13133 vsize=5260 CPUtime=0
/proc/13135/stat : 13135 (pcssolve) R 13133 13135 11406 0 -1 4194304 68 0 0 0 0 0 0 0 20 0 1 0 57548923 5386240 51 996147200 4194304 4889804 548682068800 18446744073709551615 224624955184 0 0 4096 0 0 0 0 17 1 0 0
/proc/13135/statm: 1315 51 37 169 0 14 0

[startup+0.030361 s]
/proc/loadavg: 2.22 2.10 1.97 4/81 13135
/proc/meminfo: memFree=1397288/2055920 swapFree=4192812/4192956
[pid=13135] ppid=13133 vsize=4632 CPUtime=0
/proc/13135/stat : 13135 (pcs.big) R 13133 13135 11406 0 -1 4194304 831 826 0 0 0 0 0 0 24 0 1 0 57548923 4743168 440 996147200 134512640 135215973 4294956304 18446744073709551615 4159732840 0 0 4096 0 0 0 0 17 1 0 0
/proc/13135/statm: 1158 440 361 171 0 83 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 4632

[startup+0.101372 s]
/proc/loadavg: 2.22 2.10 1.97 4/81 13135
/proc/meminfo: memFree=1397288/2055920 swapFree=4192812/4192956
[pid=13135] ppid=13133 vsize=6196 CPUtime=0.07
/proc/13135/stat : 13135 (pcs.big) R 13133 13135 11406 0 -1 4194304 1205 826 0 0 7 0 0 0 24 0 1 0 57548923 6344704 773 996147200 134512640 135215973 4294956304 18446744073709551615 134761818 0 0 4096 0 0 0 0 17 1 0 0
/proc/13135/statm: 1549 773 385 171 0 474 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 6196

[startup+0.301404 s]
/proc/loadavg: 2.22 2.10 1.97 4/81 13135
/proc/meminfo: memFree=1397288/2055920 swapFree=4192812/4192956
[pid=13135] ppid=13133 vsize=8572 CPUtime=0.27
/proc/13135/stat : 13135 (pcs.big) R 13133 13135 11406 0 -1 4194304 2005 826 0 0 27 0 0 0 25 0 1 0 57548923 8777728 1340 996147200 134512640 135215973 4294956304 18446744073709551615 134740416 0 0 4096 0 0 0 0 17 1 0 0
/proc/13135/statm: 2143 1340 385 171 0 1068 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 8572

[startup+0.701459 s]
/proc/loadavg: 2.22 2.10 1.97 4/81 13135
/proc/meminfo: memFree=1397288/2055920 swapFree=4192812/4192956
[pid=13135] ppid=13133 vsize=13288 CPUtime=0.67
/proc/13135/stat : 13135 (pcs.big) R 13133 13135 11406 0 -1 4194304 3660 826 0 0 66 1 0 0 25 0 1 0 57548923 13606912 2398 996147200 134512640 135215973 4294956304 18446744073709551615 4158960134 0 0 4096 0 0 0 0 17 1 0 0
/proc/13135/statm: 3322 2398 409 171 0 2247 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 13288

[startup+1.50157 s]
/proc/loadavg: 2.22 2.10 1.97 3/82 13141
/proc/meminfo: memFree=1388952/2055920 swapFree=4192812/4192956
[pid=13135] ppid=13133 vsize=14656 CPUtime=1.45
/proc/13135/stat : 13135 (pcs.big) R 13133 13135 11406 0 -1 4194304 4010 826 0 0 144 1 0 0 25 0 1 0 57548923 15007744 2748 996147200 134512640 135215973 4294956304 18446744073709551615 134583361 0 0 4096 0 0 0 0 17 1 0 0
/proc/13135/statm: 3664 2748 409 171 0 2589 0
Current children cumulated CPU time (s) 1.45
Current children cumulated vsize (KiB) 14656

[startup+3.1018 s]
/proc/loadavg: 2.22 2.10 1.97 3/82 13141
/proc/meminfo: memFree=1386072/2055920 swapFree=4192812/4192956
[pid=13135] ppid=13133 vsize=19892 CPUtime=3.05
/proc/13135/stat : 13135 (pcs.big) R 13133 13135 11406 0 -1 4194304 5308 826 0 0 302 3 0 0 25 0 1 0 57548923 20369408 4046 996147200 134512640 135215973 4294956304 18446744073709551615 134600683 0 0 4096 0 0 0 0 17 1 0 0
/proc/13135/statm: 4973 4046 409 171 0 3898 0
Current children cumulated CPU time (s) 3.05
Current children cumulated vsize (KiB) 19892

[startup+6.30126 s]
/proc/loadavg: 2.21 2.10 1.97 3/82 13141
/proc/meminfo: memFree=1372440/2055920 swapFree=4192812/4192956
[pid=13135] ppid=13133 vsize=34584 CPUtime=6.22
/proc/13135/stat : 13135 (pcs.big) R 13133 13135 11406 0 -1 4194304 8981 826 0 0 617 5 0 0 25 0 1 0 57548923 35414016 7719 996147200 134512640 135215973 4294956304 18446744073709551615 134609785 0 0 4096 0 0 0 0 17 1 0 0
/proc/13135/statm: 8646 7719 409 171 0 7571 0
Current children cumulated CPU time (s) 6.22
Current children cumulated vsize (KiB) 34584

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

[startup+6.70232 s]
/proc/loadavg: 2.21 2.10 1.97 3/82 13141
/proc/meminfo: memFree=1367008/2055920 swapFree=4192812/4192956
[pid=13135] ppid=13133 vsize=36360 CPUtime=6.61
/proc/13135/stat : 13135 (pcs.big) R 13133 13135 11406 0 -1 4194304 9416 826 0 0 656 5 0 0 25 0 1 0 57548923 37232640 8154 996147200 134512640 135215973 4294956304 18446744073709551615 134583387 0 0 4096 0 0 0 0 17 1 0 0
/proc/13135/statm: 9090 8154 409 171 0 8015 0
Current children cumulated CPU time (s) 6.61
Current children cumulated vsize (KiB) 36360

[startup+7.10237 s]
/proc/loadavg: 2.21 2.10 1.97 3/82 13141
/proc/meminfo: memFree=1367008/2055920 swapFree=4192812/4192956
[pid=13135] ppid=13133 vsize=38004 CPUtime=7.01
/proc/13135/stat : 13135 (pcs.big) R 13133 13135 11406 0 -1 4194304 9858 826 0 0 695 6 0 0 25 0 1 0 57548923 38916096 8596 996147200 134512640 135215973 4294956304 18446744073709551615 134648352 0 0 4096 0 0 0 0 17 1 0 0
/proc/13135/statm: 9501 8596 409 171 0 8426 0
Current children cumulated CPU time (s) 7.01
Current children cumulated vsize (KiB) 38004

Child status: 0
Real time (s): 7.15151
CPU time (s): 7.07692
CPU user time (s): 7.00094
CPU system time (s): 0.075988
CPU usage (%): 98.9571
Max. virtual memory (cumulated for all children) (KiB): 38004

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.00094
system time used= 0.075988
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 10689
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= 22
involuntary context switches= 309

runsolver used 0.007998 second user time and 0.030995 second system time

The end

Launcher Data 

Begin job on node49 at 2009-07-16 02:41:26
IDJOB=2066391
IDBENCH=54515
IDSOLVER=734
FILE ID=node49/2066391-1247704886
PBS_JOBID= 9521214
Free space on /tmp= 66376 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/pseudo/ssa/normalized-ssa-2670-130.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2066391-1247704886/watcher-2066391-1247704886 -o /tmp/evaluation-result-2066391-1247704886/solver-2066391-1247704886 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 1429983075 HOME/instance-2066391-1247704886.xml

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

MD5SUM BENCH= b5993597be648f09433dc31824ccc5b5
RANDOM SEED=1429983075

node49.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		: 3000.232
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:       1397768 kB
Buffers:         47572 kB
Cached:         479088 kB
SwapCached:          0 kB
Active:         167692 kB
Inactive:       428740 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1397768 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2436 kB
Writeback:           0 kB
Mapped:          90248 kB
Slab:            46632 kB
Committed_AS:   605980 kB
PageTables:       1952 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66376 MiB
End job on node49 at 2009-07-16 02:41:33