Trace number 4242304

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
R1: Mistral-2.0 2017-06-28OPT2 0.189851 0.269775

General information on the benchmark

NameRamsey/Ramsey-int-s1/
Ramsey-int-09.xml
MD5SUMe7a7addaec4b730d6fe0c9469eb0bfe6
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 benchmark0.102355
Satisfiable
(Un)Satisfiability was proved
Number of variables81
Number of constraints84
Number of domains1
Minimum domain size36
Maximum domain size36
Distribution of domain sizes[{"size":36,"count":36}]
Minimum variable degree0
Maximum variable degree8
Distribution of variable degrees[{"degree":0,"count":45},{"degree":8,"count":36}]
Minimum constraint arity3
Maximum constraint arity3
Distribution of constraint arities[{"arity":3,"count":84}]
Number of extensional constraints0
Number of intensional constraints84
Distribution of constraint types[{"type":"intension","count":84}]
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 

0.00/0.08	c Mistral-2017-06-28
0.11/0.23	o 3
0.11/0.23	o 2
0.11/0.26	s OPTIMUM FOUND
0.11/0.26	v <instantiation type="optimum" cost="2">
0.11/0.26	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[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[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[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[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[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[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[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[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] </list>
0.11/0.26	v   <values> * 0 1 1 0 1 1 1 0 * * 0 1 1 1 2 2 2 * * * 0 1 0 2 2 1 * * * * 0 2 2 0 0 * * * * * 0 2 1 2 * * * * * * 0 2 1 * * * * * * * 0 0 * * * * * * * * 1 * * * * * * * * * </values>
0.11/0.26	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-4242304-1502092763/watcher-4242304-1502092763 -o /tmp/evaluation-result-4242304-1502092763/solver-4242304-1502092763 -C 2400 -W 2500 -M 15500 --bin-var /tmp/runsolver-exch-node127-1502041295-28343 --watchdog 2560 MistralXCSP -v 0 --recommended 2 --decay 0.95 --branch_on_aux 10 --seed 687731848 HOME/instance-4242304-1502092763.xml 

pid=4848
running on 4 cores: 1,3,5,7

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 2400 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 2430 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2500 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: 2.08 2.03 2.05 2/180 4851
/proc/meminfo: memFree=31669316/32770624 swapFree=0/373848
[pid=4851] ppid=4848 vsize=23672 CPUtime=0 cores=1,3,5,7
/proc/4851/stat : 4851 (runsolver) D 4848 4851 20633 0 -1 4202560 107 0 0 0 0 0 0 0 20 0 1 0 11469972 24240128 107 18446744073709551615 4194304 4338465 140732730733360 140732730731000 140147765654231 0 0 1 24578 18446744071580418449 0 0 17 7 0 0 0 0 0 6438912 6441760 36020224 140732730736780 140732730737226 140732730737226 140732730740682 0
/proc/4851/statm: 5918 107 54 36 0 2156 0

[startup+0.100153 s]
/proc/loadavg: 2.08 2.03 2.05 2/180 4851
/proc/meminfo: memFree=31669316/32770624 swapFree=0/373848
[pid=4851] ppid=4848 vsize=28804 CPUtime=0.01 cores=1,3,5,7
/proc/4851/stat : 4851 (MistralXCSP) R 4848 4851 20633 0 -1 4202496 1084 0 0 0 1 0 0 0 20 0 1 0 11469972 29495296 868 18446744073709551615 4194304 7402444 140721905889776 140721905886824 4223104 0 0 1 0 0 0 0 17 1 0 0 8 0 0 9500608 9505824 13545472 140721905893812 140721905893961 140721905893961 140721905897417 0
/proc/4851/statm: 7201 868 683 784 0 215 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 28804

[startup+0.200265 s]
/proc/loadavg: 2.08 2.03 2.05 2/180 4851
/proc/meminfo: memFree=31669316/32770624 swapFree=0/373848
[pid=4851] ppid=4848 vsize=29316 CPUtime=0.11 cores=1,3,5,7
/proc/4851/stat : 4851 (MistralXCSP) R 4848 4851 20633 0 -1 4202496 1207 0 0 0 11 0 0 0 20 0 1 0 11469972 30019584 1033 18446744073709551615 4194304 7402444 140721905889776 140721905886824 6019633 0 0 1 0 0 0 0 17 1 0 0 8 0 0 9500608 9505824 13545472 140721905893812 140721905893961 140721905893961 140721905897417 0
/proc/4851/statm: 7329 1033 731 784 0 343 0
Current children cumulated CPU time (s) 0.11
Current children cumulated vsize (KiB) 29316

Solver just ended.
??? exit watcher main loop
??? sigkill at end of watcher main loop
??? kill 4851 sig 9
??? end of watcher thread
Dumping a history of the last processes samples

Child status: 0
Real time (s): 0.269775
CPU time (s): 0.189851
CPU user time (s): 0.186861
CPU system time (s): 0.00299
CPU usage (%): 70.3738
Max. virtual memory (cumulated for all children) (KiB): 29316

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.186861
system time used= 0.00299
maximum resident set size= 4476
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1319
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= 1

??? join timestamper begins
??? join timestamper ends
??? end of timestamper thread
runsolver used 0.003114 second user time and 0.006229 second system time

The end

Launcher Data 

Begin job on node127 at 2017-08-07 09:45:18
IDJOB=4242304
IDBENCH=140554
IDSOLVER=2622
FILE ID=node127/4242304-1502092763
RUNJOBID= node127-1502041295-28343
PBS_JOBID= 
Free space on /tmp= 62024 MiB

SOLVER NAME= Mistral-2.0 2017-06-28
BENCH NAME= XCSP17/Ramsey/Ramsey-int-s1/Ramsey-int-09.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-4242304-1502092763/watcher-4242304-1502092763 -o /tmp/evaluation-result-4242304-1502092763/solver-4242304-1502092763 -C 2400 -W 2500 -M 15500 --bin-var /tmp/runsolver-exch-node127-1502041295-28343 --watchdog 2560  MistralXCSP -v 0 --recommended 2 --decay 0.95 --branch_on_aux 10 --seed 687731848 HOME/instance-4242304-1502092763.xml

TIME LIMIT= 2400 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= e7a7addaec4b730d6fe0c9469eb0bfe6
RANDOM SEED=687731848

node127.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	: 5333.92
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	: 5333.92
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	: 5333.92
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	: 5333.92
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:        31669584 kB
MemAvailable:   32012908 kB
Buffers:          142592 kB
Cached:           488872 kB
SwapCached:            0 kB
Active:           302000 kB
Inactive:         390564 kB
Active(anon):      61440 kB
Inactive(anon):    16716 kB
Active(file):     240560 kB
Inactive(file):   373848 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:      67108860 kB
SwapFree:       67108860 kB
Dirty:              6392 kB
Writeback:            24 kB
AnonPages:         61096 kB
Mapped:            32996 kB
Shmem:             17060 kB
Slab:             114280 kB
SReclaimable:      89500 kB
SUnreclaim:        24780 kB
KernelStack:        3216 kB
PageTables:         4812 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83494172 kB
Committed_AS:     312936 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      350232 kB
VmallocChunk:   34341910524 kB
HardwareCorrupted:     0 kB
AnonHugePages:      8192 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:      118144 kB
DirectMap2M:    33427456 kB

Free space on /tmp at the end= 62020 MiB
End job on node127 at 2017-08-07 09:45:18