Trace number 4261767

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 NameAnswerobjective functionCPU timeWall clock time
Mistral-2.0 2017-07-28OPT2 0.28412601 0.39671299

General information on the benchmark

NameRamsey/Ramsey-int-s1/
Ramsey-int-10.xml
MD5SUMf18d8089cff3557044696c3f39147249
Bench CategoryCOP (optimization problem)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark2
Best CPU time to get the best result obtained on this benchmark0.157353
Satisfiable
(Un)Satisfiability was proved
Number of variables100
Number of constraints120
Number of domains1
Minimum domain size45
Maximum domain size45
Distribution of domain sizes[{"size":45,"count":45}]
Minimum variable degree0
Maximum variable degree9
Distribution of variable degrees[{"degree":0,"count":55},{"degree":9,"count":45}]
Minimum constraint arity3
Maximum constraint arity3
Distribution of constraint arities[{"arity":3,"count":120}]
Number of extensional constraints0
Number of intensional constraints120
Distribution of constraint types[{"type":"intension","count":120}]
Optimization problemYES
Type of objectivemin MAXIMUM

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

Solver Data 

0.00/0.11	c 280717
0.18/0.34	o 3
0.18/0.34	o 2
0.18/0.39	s OPTIMUM FOUND
0.18/0.39	v <instantiation type="optimum" cost="2">
0.18/0.39	v   <list> x[0][0] x[0][1] x[0][2] x[0][3] x[0][4] x[0][5] x[0][6] x[0][7] x[0][8] x[0][9] x[1][0] x[1][1] x[1][2] x[1][3] x[1][4] x[1][5] x[1][6] x[1][7] x[1][8] x[1][9] x[2][0] x[2][1] x[2][2] x[2][3] x[2][4] x[2][5] x[2][6] x[2][7] x[2][8] x[2][9] x[3][0] x[3][1] x[3][2] x[3][3] x[3][4] x[3][5] x[3][6] x[3][7] x[3][8] x[3][9] x[4][0] x[4][1] x[4][2] x[4][3] x[4][4] x[4][5] x[4][6] x[4][7] x[4][8] x[4][9] x[5][0] x[5][1] x[5][2] x[5][3] x[5][4] x[5][5] x[5][6] x[5][7] x[5][8] x[5][9] x[6][0] x[6][1] x[6][2] x[6][3] x[6][4] x[6][5] x[6][6] x[6][7] x[6][8] x[6][9] x[7][0] x[7][1] x[7][2] x[7][3] x[7][4] x[7][5] x[7][6] x[7][7] x[7][8] x[7][9] x[8][0] x[8][1] x[8][2] x[8][3] x[8][4] x[8][5] x[8][6] x[8][7] x[8][8] x[8][9] x[9][0] x[9][1] x[9][2] x[9][3] x[9][4] x[9][5] x[9][6] x[9][7] x[9][8] x[9][9] </list>
0.18/0.39	v   <values> * 0 1 1 0 2 0 1 2 2 * * 0 0 1 2 2 1 0 2 * * * 2 2 2 1 0 1 2 * * * * 1 0 2 0 1 0 * * * * * 1 1 2 2 0 * * * * * * 0 2 0 1 * * * * * * * 1 2 0 * * * * * * * * 1 1 * * * * * * * * * 0 * * * * * * * * * * </values>
0.18/0.39	v </instantiation>

Verifier Data 

OK	2

Watcher Data 

runsolver Copyright (C) 2010-2013 Olivier ROUSSEL

This is runsolver version 3.3.7 (svn: 2553)

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-4261767-1502407055/watcher-4261767-1502407055 -o /tmp/evaluation-result-4261767-1502407055/solver-4261767-1502407055 -C 2520 -W 2520 -M 15500 --bin-var /tmp/runsolver-exch-node134-1502331912-20755 --watchdog 2580 MistralXCSP -v 0 --recommended 2 --decay 0.95 --branch_on_aux 10 --seed 923681561 HOME/instance-4261767-1502407055.xml 

pid=439
running on 4 cores: 0,2,4,6

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 2520 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 2550 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2520 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 8192 KiB


[startup+0 s]
/proc/loadavg: 2.01 2.01 2.05 3/185 444
/proc/meminfo: memFree=31065692/32770624 swapFree=0/559544
[pid=444] ppid=439 vsize=23672 CPUtime=0 cores=0,2,4,6
/proc/444/stat : 444 (runsolver) D 439 444 31388 0 -1 4202560 108 0 0 0 0 0 0 0 20 0 1 0 88211724 24240128 106 18446744073709551615 4194304 4338465 140725539317456 140725539315096 140493985178327 0 0 1 24578 18446744071580418449 0 0 17 4 0 0 0 0 0 6438912 6441760 26669056 140725539319947 140725539320393 140725539320393 140725539323850 0
/proc/444/statm: 5918 106 53 36 0 2156 0

[startup+0.100149 s]
/proc/loadavg: 2.01 2.01 2.05 3/185 444
/proc/meminfo: memFree=31065692/32770624 swapFree=0/559544
[pid=444] ppid=439 vsize=23672 CPUtime=0 cores=0,2,4,6
/proc/444/stat : 444 (runsolver) D 439 444 31388 0 -1 4202560 108 0 0 0 0 0 0 0 20 0 1 0 88211724 24240128 106 18446744073709551615 4194304 4338465 140725539317456 140725539315096 140493985178327 0 0 1 24578 18446744071580418449 0 0 17 4 0 0 0 0 0 6438912 6441760 26669056 140725539319947 140725539320393 140725539320393 140725539323850 0
/proc/444/statm: 5918 106 53 36 0 2156 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 23672

[startup+0.200436 s]
/proc/loadavg: 2.01 2.01 2.05 3/185 444
/proc/meminfo: memFree=31065692/32770624 swapFree=0/559544
[pid=444] ppid=439 vsize=29188 CPUtime=0.08 cores=0,2,4,6
/proc/444/stat : 444 (MistralXCSP) R 439 444 31388 0 -1 4202496 1167 0 0 0 8 0 0 0 20 0 1 0 88211724 29888512 993 18446744073709551615 4194304 7396336 140725669532048 140725669522072 6181773 0 0 1 0 0 0 0 17 6 0 0 11 0 0 9496464 9501696 42962944 140725669540275 140725669540424 140725669540424 140725669543881 0
/proc/444/statm: 7297 993 722 782 0 313 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 29188

[startup+0.300434 s]
/proc/loadavg: 2.01 2.01 2.05 3/185 444
/proc/meminfo: memFree=31065692/32770624 swapFree=0/559544
[pid=444] ppid=439 vsize=29580 CPUtime=0.18 cores=0,2,4,6
/proc/444/stat : 444 (MistralXCSP) R 439 444 31388 0 -1 4202496 1267 0 0 0 18 0 0 0 20 0 1 0 88211724 30289920 1093 18446744073709551615 4194304 7396336 140725669532048 140725669522744 140105461522353 0 0 1 0 0 0 0 17 6 0 0 11 0 0 9496464 9501696 42962944 140725669540275 140725669540424 140725669540424 140725669543881 0
/proc/444/statm: 7395 1093 722 782 0 411 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 29580

Solver just ended.
??? exit watcher main loop
??? sigkill at end of watcher main loop
??? kill 444 sig 9
??? end of watcher thread
Dumping a history of the last processes samples

[startup+0.300434 s]
/proc/loadavg: 2.01 2.01 2.05 3/185 444
/proc/meminfo: memFree=31065692/32770624 swapFree=0/559544
[pid=444] ppid=439 vsize=29580 CPUtime=0.18 cores=0,2,4,6
/proc/444/stat : 444 (MistralXCSP) R 439 444 31388 0 -1 4202496 1267 0 0 0 18 0 0 0 20 0 1 0 88211724 30289920 1093 18446744073709551615 4194304 7396336 140725669532048 140725669522744 140105461522353 0 0 1 0 0 0 0 17 6 0 0 11 0 0 9496464 9501696 42962944 140725669540275 140725669540424 140725669540424 140725669543881 0
/proc/444/statm: 7395 1093 722 782 0 411 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 29580

Child status: 0
Real time (s): 0.396713
CPU time (s): 0.284126
CPU user time (s): 0.282129
CPU system time (s): 0.001997
CPU usage (%): 71.62
Max. virtual memory (cumulated for all children) (KiB): 29580

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.282129
system time used= 0.001997
maximum resident set size= 5020
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1433
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= 6
involuntary context switches= 5

??? join timestamper begins
??? join timestamper ends
??? end of timestamper thread
runsolver used 0.00327 second user time and 0.00654 second system time

The end

Launcher Data 

Begin job on node134 at 2017-08-11 01:03:39
IDJOB=4261767
IDBENCH=140555
IDSOLVER=2649
FILE ID=node134/4261767-1502407055
RUNJOBID= node134-1502331912-20755
PBS_JOBID= 
Free space on /tmp= 62024 MiB

SOLVER NAME= Mistral-2.0 2017-07-28
BENCH NAME= XCSP17/Ramsey/Ramsey-int-s1/Ramsey-int-10.xml
COMMAND LINE= MistralXCSP -v 0 --recommended 2 --decay 0.95 --branch_on_aux 10 --seed RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-4261767-1502407055/watcher-4261767-1502407055 -o /tmp/evaluation-result-4261767-1502407055/solver-4261767-1502407055 -C 2520 -W 2520 -M 15500 --bin-var /tmp/runsolver-exch-node134-1502331912-20755 --watchdog 2580  MistralXCSP -v 0 --recommended 2 --decay 0.95 --branch_on_aux 10 --seed 923681561 HOME/instance-4261767-1502407055.xml

TIME LIMIT= 2520 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= f18d8089cff3557044696c3f39147249
RANDOM SEED=923681561

node134.alineos.net Linux 3.10.0-514.16.1.el7.x86_64 #1 SMP Wed Apr 12 15:04:24 UTC 2017

/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor:
performance

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
microcode	: 0x19
cpu MHz		: 2668.000
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
initial apicid	: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida dtherm tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5333.43
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
microcode	: 0x19
cpu MHz		: 2668.000
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
initial apicid	: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida dtherm tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5332.55
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
microcode	: 0x19
cpu MHz		: 2668.000
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
initial apicid	: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida dtherm tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5333.43
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
microcode	: 0x19
cpu MHz		: 2668.000
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
initial apicid	: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida dtherm tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5332.55
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
microcode	: 0x19
cpu MHz		: 2668.000
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
initial apicid	: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida dtherm tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5333.43
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
microcode	: 0x19
cpu MHz		: 2668.000
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
initial apicid	: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida dtherm tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5332.55
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
microcode	: 0x19
cpu MHz		: 2668.000
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
initial apicid	: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida dtherm tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5333.43
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
microcode	: 0x19
cpu MHz		: 2668.000
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
initial apicid	: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida dtherm tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5332.55
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:       32770624 kB
MemFree:        31066124 kB
MemAvailable:   31978204 kB
Buffers:          276104 kB
Cached:           930348 kB
SwapCached:            0 kB
Active:           678944 kB
Inactive:         590760 kB
Active(anon):      65504 kB
Inactive(anon):    31216 kB
Active(file):     613440 kB
Inactive(file):   559544 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:      67108860 kB
SwapFree:       67108860 kB
Dirty:              6364 kB
Writeback:             4 kB
AnonPages:         63532 kB
Mapped:            51328 kB
Shmem:             33468 kB
Slab:             136100 kB
SReclaimable:     109860 kB
SUnreclaim:        26240 kB
KernelStack:        3296 kB
PageTables:         4928 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83494172 kB
Committed_AS:     330112 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      354332 kB
VmallocChunk:   34341910524 kB
HardwareCorrupted:     0 kB
AnonHugePages:     12288 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:      101760 kB
DirectMap2M:    33443840 kB

Free space on /tmp at the end= 62020 MiB
End job on node134 at 2017-08-11 01:03:39