Trace number 1093957

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
bpsolver 2008-06-27SAT 4.37933 4.42823

General information on the benchmark

Namecsp/queens/
normalized-queens-200.xml
MD5SUM054f76ffe13ea2991d6de6635966b938
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark4.37933
Satisfiable
(Un)Satisfiability was proved
Number of variables200
Number of constraints19900
Maximum constraint arity2
Maximum domain size200
Number of constraints which are defined in extension0
Number of constraints which are defined in intension19900
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.02	c bpsolver version 6.27.2008
0.00/0.02	c converting(HOME/instance-1093957-1215278607)
3.46/3.55	c Converted in 1626 ms
3.46/3.55	c solving(HOME/instance-1093957-1215278607,1800000)
4.35/4.41	c (ffc_inout)
4.35/4.41	s SATISFIABLE
4.35/4.41	v 61 63 66 60 155 51 54 133 16 62 164 141 172 138 175 55 187 180 149 163 49 15 146 179 56 140 147 52 88 46 153 53 50 14 151 89 47 174 48 39 82 44 130 84 13 43 166 78 41 86 45 103 148 154 12 83 77 101 85 168 109 99 118 11 98 112 57 181 111 137 59 10 58 167 159 157 173 64 9 177 115 194 65 188 8 191 197 199 196 7 192 190 69 6 183 185 5 200 4 1 3 184 176 170 67 186 156 193 195 135 76 87 145 80 198 2 71 73 189 131 105 134 72 124 22 93 19 74 81 20 18 68 91 97 70 75 17 108 79 100 23 113 24 94 114 25 106 122 126 26 129 95 90 107 27 104 136 139 132 143 28 158 152 162 169 161 123 29 96 171 21 92 160 165 178 30 182 150 121 144 142 33 128 36 31 119 102 35 110 116 34 117 37 125 127 120 32 38 40 42 
4.35/4.42	
4.35/4.42	c Time=834 ms
4.35/4.42

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.5 (c) roussel@cril.univ-artois.fr

command line: /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1093957-1215278607/watcher-1093957-1215278607 -o /tmp/evaluation-result-1093957-1215278607/solver-1093957-1215278607 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/solver HOME/instance-1093957-1215278607 1800 

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): 2200 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
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: 1.99 1.97 1.98 4/81 28002
/proc/meminfo: memFree=1662920/2055920 swapFree=4181480/4192956
[pid=28002] ppid=28000 vsize=4780 CPUtime=0
/proc/28002/stat : 28002 (bprolog) R 28000 28002 25128 0 -1 4194304 389 0 0 0 0 0 0 0 20 0 1 0 2006830278 4894720 107 996147200 134512640 134990860 4294956096 18446744073709551615 134530848 0 0 4096 0 0 0 0 17 1 0 0
/proc/28002/statm: 1195 107 72 116 0 706 0

[startup+0.16305 s]
/proc/loadavg: 1.99 1.97 1.98 4/81 28002
/proc/meminfo: memFree=1662920/2055920 swapFree=4181480/4192956
[pid=28002] ppid=28000 vsize=56080 CPUtime=0.15
/proc/28002/stat : 28002 (bprolog) R 28000 28002 25128 0 -1 4194304 1118 0 0 0 7 8 0 0 20 0 1 0 2006830278 57425920 831 996147200 134512640 134990860 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/28002/statm: 14020 831 178 116 0 13531 0
Current children cumulated CPU time (s) 0.15
Current children cumulated vsize (KiB) 56080

[startup+0.201425 s]
/proc/loadavg: 1.99 1.97 1.98 4/81 28002
/proc/meminfo: memFree=1662920/2055920 swapFree=4181480/4192956
[pid=28002] ppid=28000 vsize=56080 CPUtime=0.18
/proc/28002/stat : 28002 (bprolog) R 28000 28002 25128 0 -1 4194304 1119 0 0 0 8 10 0 0 20 0 1 0 2006830278 57425920 832 996147200 134512640 134990860 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/28002/statm: 14020 832 178 116 0 13531 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 56080

[startup+0.301605 s]
/proc/loadavg: 1.99 1.97 1.98 4/81 28002
/proc/meminfo: memFree=1662920/2055920 swapFree=4181480/4192956
[pid=28002] ppid=28000 vsize=56080 CPUtime=0.28
/proc/28002/stat : 28002 (bprolog) R 28000 28002 25128 0 -1 4194304 1120 0 0 0 12 16 0 0 21 0 1 0 2006830278 57425920 833 996147200 134512640 134990860 4294956096 18446744073709551615 134671658 0 0 4096 2 0 0 0 17 1 0 0
/proc/28002/statm: 14020 833 178 116 0 13531 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 56080

[startup+0.701146 s]
/proc/loadavg: 1.99 1.97 1.98 4/81 28002
/proc/meminfo: memFree=1662920/2055920 swapFree=4181480/4192956
[pid=28002] ppid=28000 vsize=56080 CPUtime=0.68
/proc/28002/stat : 28002 (bprolog) R 28000 28002 25128 0 -1 4194304 1127 0 0 0 32 36 0 0 25 0 1 0 2006830278 57425920 840 996147200 134512640 134990860 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/28002/statm: 14020 840 178 116 0 13531 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 56080

[startup+1.50229 s]
/proc/loadavg: 2.07 1.99 1.99 3/82 28003
/proc/meminfo: memFree=1659776/2055920 swapFree=4181480/4192956
[pid=28002] ppid=28000 vsize=56080 CPUtime=1.47
/proc/28002/stat : 28002 (bprolog) R 28000 28002 25128 0 -1 4194304 1140 0 0 0 68 79 0 0 25 0 1 0 2006830278 57425920 853 996147200 134512640 134990860 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/28002/statm: 14020 853 178 116 0 13531 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 56080

[startup+3.10158 s]
/proc/loadavg: 2.07 1.99 1.99 3/82 28003
/proc/meminfo: memFree=1659200/2055920 swapFree=4181480/4192956
[pid=28002] ppid=28000 vsize=56080 CPUtime=3.06
/proc/28002/stat : 28002 (bprolog) R 28000 28002 25128 0 -1 4194304 1167 0 0 0 143 163 0 0 25 0 1 0 2006830278 57425920 880 996147200 134512640 134990860 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/28002/statm: 14020 880 178 116 0 13531 0
Current children cumulated CPU time (s) 3.06
Current children cumulated vsize (KiB) 56080

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

[startup+3.2026 s]
/proc/loadavg: 2.07 1.99 1.99 3/82 28003
/proc/meminfo: memFree=1659200/2055920 swapFree=4181480/4192956
[pid=28002] ppid=28000 vsize=56080 CPUtime=3.16
/proc/28002/stat : 28002 (bprolog) R 28000 28002 25128 0 -1 4194304 1169 0 0 0 147 169 0 0 25 0 1 0 2006830278 57425920 882 996147200 134512640 134990860 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/28002/statm: 14020 882 178 116 0 13531 0
Current children cumulated CPU time (s) 3.16
Current children cumulated vsize (KiB) 56080

[startup+4.00175 s]
/proc/loadavg: 2.07 1.99 1.99 3/82 28003
/proc/meminfo: memFree=1658688/2055920 swapFree=4181480/4192956
[pid=28002] ppid=28000 vsize=73420 CPUtime=3.95
/proc/28002/stat : 28002 (bprolog) R 28000 28002 25128 0 -1 4194304 5823 0 0 0 206 189 0 0 25 0 1 0 2006830278 75182080 5531 996147200 134512640 134990860 4294956096 18446744073709551615 134959274 0 0 4096 2 0 0 0 17 1 0 0
/proc/28002/statm: 18355 5531 180 116 0 17866 0
Current children cumulated CPU time (s) 3.95
Current children cumulated vsize (KiB) 73420

[startup+4.40182 s]
/proc/loadavg: 2.07 1.99 1.99 3/83 28004
/proc/meminfo: memFree=1635448/2055920 swapFree=4181480/4192956
[pid=28002] ppid=28000 vsize=83664 CPUtime=4.35
/proc/28002/stat : 28002 (bprolog) R 28000 28002 25128 0 -1 4194304 6955 0 0 0 246 189 0 0 25 0 2 0 2006830278 85671936 6663 996147200 134512640 134990860 4294956096 18446744073709551615 134718788 0 0 4096 2 18446744073709551615 0 0 17 1 0 0
/proc/28002/statm: 20916 6663 194 116 0 20427 0
[pid=28002/tid=28004] ppid=28000 vsize=83664 CPUtime=0
/proc/28002/task/28004/stat : 28004 (bprolog) S 28000 28002 25128 0 -1 4194368 2 0 0 0 0 0 0 0 25 0 2 0 2006830705 85671936 6663 996147200 134512640 134990860 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 4.35
Current children cumulated vsize (KiB) 83664

Child status: 0
Real time (s): 4.42823
CPU time (s): 4.37933
CPU user time (s): 2.47462
CPU system time (s): 1.90471
CPU usage (%): 98.8959
Max. virtual memory (cumulated for all children) (KiB): 83664

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.47462
system time used= 1.90471
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6984
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= 5
involuntary context switches= 409

runsolver used 0.008998 second user time and 0.018997 second system time

The end

Launcher Data (download as text)

Begin job on node67 at 2008-07-05 19:23:27
IDJOB=1093957
IDBENCH=58738
IDSOLVER=347
FILE ID=node67/1093957-1215278607
PBS_JOBID= 7882158
Free space on /tmp= 66432 MiB

SOLVER NAME= bpsolver 2008-06-27
BENCH NAME= CPAI08/csp/queens/normalized-queens-200.xml
COMMAND LINE= HOME/solver BENCHNAMENOEXT TIMEOUT
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1093957-1215278607/watcher-1093957-1215278607 -o /tmp/evaluation-result-1093957-1215278607/solver-1093957-1215278607 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/solver HOME/instance-1093957-1215278607 1800

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 054f76ffe13ea2991d6de6635966b938
RANDOM SEED=460446093

node67.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		: 3000.281
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		: 3000.281
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:       1663400 kB
Buffers:         67060 kB
Cached:         234108 kB
SwapCached:       5376 kB
Active:         201132 kB
Inactive:       128828 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1663400 kB
SwapTotal:     4192956 kB
SwapFree:      4181480 kB
Dirty:            3772 kB
Writeback:           0 kB
Mapped:          44912 kB
Slab:            47592 kB
Committed_AS:  4225000 kB
PageTables:       1916 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= 66428 MiB
End job on node67 at 2008-07-05 19:23:32