Trace number 4258983

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 2017-07-28OPT34 0.33681199 0.422968

General information on the benchmark

NameGolombRuler/GolombRuler-a3-s1/
GolombRuler-08-a3.xml
MD5SUM86f9a0f9696ddea7c71528c4cbe59182
Bench CategoryCOP (optimization problem)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark34
Best CPU time to get the best result obtained on this benchmark0.33681199
Satisfiable
(Un)Satisfiability was proved
Number of variables72
Number of constraints31
Number of domains2
Minimum domain size500
Maximum domain size501
Distribution of domain sizes[{"size":500,"count":28},{"size":501,"count":8}]
Minimum variable degree0
Maximum variable degree9
Distribution of variable degrees[{"degree":0,"count":36},{"degree":2,"count":28},{"degree":8,"count":6},{"degree":9,"count":2}]
Minimum constraint arity1
Maximum constraint arity28
Distribution of constraint arities[{"arity":1,"count":1},{"arity":3,"count":28},{"arity":8,"count":1},{"arity":28,"count":1}]
Number of extensional constraints0
Number of intensional constraints29
Distribution of constraint types[{"type":"intension","count":29},{"type":"allDifferent","count":1},{"type":"ordered","count":1}]
Optimization problemYES
Type of objectivemin VAR

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 280717
0.01/0.14	o 57
0.01/0.14	o 39
0.01/0.16	o 38
0.01/0.16	o 37
0.01/0.16	o 34
0.31/0.42	s OPTIMUM FOUND
0.31/0.42	v <instantiation type="optimum" cost="34">
0.31/0.42	v   <list> x[0] x[1] x[2] x[3] x[4] x[5] x[6] x[7] y[0][0] y[0][1] y[0][2] y[0][3] y[0][4] y[0][5] y[0][6] y[0][7] y[1][0] y[1][1] y[1][2] y[1][3] y[1][4] y[1][5] y[1][6] y[1][7] y[2][0] y[2][1] y[2][2] y[2][3] y[2][4] y[2][5] y[2][6] y[2][7] y[3][0] y[3][1] y[3][2] y[3][3] y[3][4] y[3][5] y[3][6] y[3][7] y[4][0] y[4][1] y[4][2] y[4][3] y[4][4] y[4][5] y[4][6] y[4][7] y[5][0] y[5][1] y[5][2] y[5][3] y[5][4] y[5][5] y[5][6] y[5][7] y[6][0] y[6][1] y[6][2] y[6][3] y[6][4] y[6][5] y[6][6] y[6][7] y[7][0] y[7][1] y[7][2] y[7][3] y[7][4] y[7][5] y[7][6] y[7][7] </list>
0.31/0.42	v   <values> 0 2 12 19 25 30 33 34 * 2 12 19 25 30 33 34 * * 10 17 23 28 31 32 * * * 7 13 18 21 22 * * * * 6 11 14 15 * * * * * 5 8 9 * * * * * * 3 4 * * * * * * * 1 * * * * * * * * </values>
0.31/0.42	v </instantiation>

Verifier Data 

OK	34

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-4258983-1501665945/watcher-4258983-1501665945 -o /tmp/evaluation-result-4258983-1501665945/solver-4258983-1501665945 -C 264 -W 240 -M 15500 --bin-var /tmp/runsolver-exch-node132-1501660308-4025 --watchdog 300 MistralXCSP -v 0 --recommended 2 --decay 0.95 --branch_on_aux 10 --seed 1681540500 HOME/instance-4258983-1501665945.xml 

pid=7454
running on 4 cores: 1,3,5,7

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 264 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 294 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 240 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: 1.93 1.97 1.96 3/184 7457
/proc/meminfo: memFree=31753352/32770624 swapFree=0/280824
[pid=7457] ppid=7454 vsize=23672 CPUtime=0 cores=1,3,5,7
/proc/7457/stat : 7457 (runsolver) D 7454 7457 18930 0 -1 4202560 107 0 0 0 0 0 0 0 20 0 1 0 66247995 24240128 107 18446744073709551615 4194304 4338465 140724171813472 140724171811112 140075077894871 0 0 1 24578 18446744071580418449 0 0 17 5 0 0 0 0 0 6438912 6441760 17866752 140724171817098 140724171817541 140724171817541 140724171821002 0
/proc/7457/statm: 5918 107 54 36 0 2156 0

[startup+0.100205 s]
/proc/loadavg: 1.93 1.97 1.96 3/184 7457
/proc/meminfo: memFree=31753352/32770624 swapFree=0/280824
[pid=7457] ppid=7454 vsize=28796 CPUtime=0.01 cores=1,3,5,7
/proc/7457/stat : 7457 (MistralXCSP) R 7454 7457 18930 0 -1 4202496 1046 0 0 0 1 0 0 0 20 0 1 0 66247995 29487104 869 18446744073709551615 4194304 7396336 140731579080032 140731579077032 140628337712003 0 0 1 0 0 0 0 17 1 0 0 8 0 0 9496464 9501696 15036416 140731579085230 140731579085380 140731579085380 140731579088841 0
/proc/7457/statm: 7199 869 693 782 0 215 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 28796

[startup+0.200247 s]
/proc/loadavg: 1.93 1.97 1.96 3/184 7457
/proc/meminfo: memFree=31753352/32770624 swapFree=0/280824
[pid=7457] ppid=7454 vsize=29192 CPUtime=0.11 cores=1,3,5,7
/proc/7457/stat : 7457 (MistralXCSP) R 7454 7457 18930 0 -1 4202496 1216 0 0 0 11 0 0 0 20 0 1 0 66247995 29892608 1001 18446744073709551615 4194304 7396336 140731579080032 140731579075048 5685801 0 0 1 16386 0 0 0 17 1 0 0 8 0 0 9496464 9501696 15036416 140731579085230 140731579085380 140731579085380 140731579088841 0
/proc/7457/statm: 7298 1001 763 782 0 314 0
Current children cumulated CPU time (s) 0.11
Current children cumulated vsize (KiB) 29192

[startup+0.300215 s]
/proc/loadavg: 1.93 1.97 1.96 3/184 7457
/proc/meminfo: memFree=31753352/32770624 swapFree=0/280824
[pid=7457] ppid=7454 vsize=29192 CPUtime=0.21 cores=1,3,5,7
/proc/7457/stat : 7457 (MistralXCSP) R 7454 7457 18930 0 -1 4202496 1216 0 0 0 21 0 0 0 20 0 1 0 66247995 29892608 1001 18446744073709551615 4194304 7396336 140731579080032 140731579075048 4257799 0 0 1 16386 0 0 0 17 1 0 0 8 0 0 9496464 9501696 15036416 140731579085230 140731579085380 140731579085380 140731579088841 0
/proc/7457/statm: 7298 1001 763 782 0 314 0
Current children cumulated CPU time (s) 0.21
Current children cumulated vsize (KiB) 29192

Solver just ended.
??? exit watcher main loop
??? sigkill at end of watcher main loop
??? kill 7457 sig 9
??? end of watcher thread
Dumping a history of the last processes samples

[startup+0.400207 s]
/proc/loadavg: 1.93 1.97 1.96 3/184 7457
/proc/meminfo: memFree=31753352/32770624 swapFree=0/280824
[pid=7457] ppid=7454 vsize=29192 CPUtime=0.31 cores=1,3,5,7
/proc/7457/stat : 7457 (MistralXCSP) R 7454 7457 18930 0 -1 4202496 1220 0 0 0 31 0 0 0 20 0 1 0 66247995 29892608 1001 18446744073709551615 4194304 7396336 140731579080032 140731579075048 4257837 0 0 1 16386 0 0 0 17 1 0 0 8 0 0 9496464 9501696 15036416 140731579085230 140731579085380 140731579085380 140731579088841 0
/proc/7457/statm: 7298 1001 763 782 0 314 0
Current children cumulated CPU time (s) 0.31
Current children cumulated vsize (KiB) 29192

Child status: 0
Real time (s): 0.422968
CPU time (s): 0.336812
CPU user time (s): 0.335797
CPU system time (s): 0.001015
CPU usage (%): 79.6306
Max. virtual memory (cumulated for all children) (KiB): 29192

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.335797
system time used= 0.001015
maximum resident set size= 4268
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1239
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 0.004298 second user time and 0.005373 second system time

The end

Launcher Data 

Begin job on node132 at 2017-08-02 11:11:27
IDJOB=4258983
IDBENCH=126212
IDSOLVER=2645
FILE ID=node132/4258983-1501665945
RUNJOBID= node132-1501660308-4025
PBS_JOBID= 
Free space on /tmp= 61872 MiB

SOLVER NAME= Mistral-2.0 2017-07-28
BENCH NAME= XCSP17/GolombRuler/GolombRuler-a3-s1/GolombRuler-08-a3.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-4258983-1501665945/watcher-4258983-1501665945 -o /tmp/evaluation-result-4258983-1501665945/solver-4258983-1501665945 -C 264 -W 240 -M 15500 --bin-var /tmp/runsolver-exch-node132-1501660308-4025 --watchdog 300  MistralXCSP -v 0 --recommended 2 --decay 0.95 --branch_on_aux 10 --seed 1681540500 HOME/instance-4258983-1501665945.xml

TIME LIMIT= 264 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= 86f9a0f9696ddea7c71528c4cbe59182
RANDOM SEED=1681540500

node132.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	: 5333.74
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	: 5333.74
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	: 5333.74
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	: 5333.74
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:        31753616 kB
MemAvailable:   32001868 kB
Buffers:          157304 kB
Cached:           385968 kB
SwapCached:            0 kB
Active:           297832 kB
Inactive:         305268 kB
Active(anon):      60752 kB
Inactive(anon):    24444 kB
Active(file):     237080 kB
Inactive(file):   280824 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:      67108860 kB
SwapFree:       67108860 kB
Dirty:              5848 kB
Writeback:             0 kB
AnonPages:         59724 kB
Mapped:            40932 kB
Shmem:             25276 kB
Slab:             118300 kB
SReclaimable:      92364 kB
SUnreclaim:        25936 kB
KernelStack:        3264 kB
PageTables:         4636 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83494172 kB
Committed_AS:     319696 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      354332 kB
VmallocChunk:   34341910524 kB
HardwareCorrupted:     0 kB
AnonHugePages:      6144 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:      114048 kB
DirectMap2M:    33431552 kB

Free space on /tmp at the end= 61868 MiB
End job on node132 at 2017-08-02 11:11:28