Trace number 4260979

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 2017-07-28OPT1129 0.248129 0.34333101

General information on the benchmark

NameKnapsack/Knapsack-m1-s30/
Knapsack-30-100-04.xml
MD5SUM7fb632312c7b7dee32941c0d30e198bb
Bench CategoryCOP (optimization problem)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark1129
Best CPU time to get the best result obtained on this benchmark0.248129
Satisfiable
(Un)Satisfiability was proved
Number of variables30
Number of constraints1
Number of domains1
Minimum domain size2
Maximum domain size2
Distribution of domain sizes[{"size":2,"count":30}]
Minimum variable degree2
Maximum variable degree2
Distribution of variable degrees[{"degree":2,"count":30}]
Minimum constraint arity30
Maximum constraint arity30
Distribution of constraint arities[{"arity":30,"count":1}]
Number of extensional constraints0
Number of intensional constraints0
Distribution of constraint types[{"type":"sum","count":1}]
Optimization problemYES
Type of objectivemax SUM

Quality of the solution as a function of time


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

Solver Data 

0.00/0.09	c 280717
0.00/0.09	o 0
0.00/0.09	o 95
0.00/0.09	o 182
0.00/0.09	o 192
0.00/0.09	o 251
0.00/0.09	o 334
0.00/0.09	o 408
0.00/0.09	o 489
0.00/0.10	o 533
0.00/0.10	o 578
0.00/0.10	o 584
0.00/0.10	o 589
0.00/0.10	o 631
0.00/0.10	o 728
0.00/0.10	o 745
0.00/0.10	o 748
0.00/0.10	o 756
0.00/0.10	o 840
0.00/0.10	o 923
0.00/0.10	o 924
0.00/0.10	o 935
0.00/0.10	o 936
0.00/0.10	o 939
0.00/0.10	o 974
0.00/0.10	o 1003
0.00/0.10	o 1008
0.00/0.10	o 1050
0.00/0.10	o 1073
0.00/0.10	o 1082
0.00/0.10	o 1091
0.00/0.10	o 1099
0.00/0.10	o 1108
0.00/0.10	o 1129
0.20/0.34	s OPTIMUM FOUND
0.20/0.34	v <instantiation type="optimum" cost="1129">
0.20/0.34	v   <list> x[0] x[1] x[2] x[3] x[4] x[5] x[6] x[7] x[8] x[9] x[10] x[11] x[12] x[13] x[14] x[15] x[16] x[17] x[18] x[19] x[20] x[21] x[22] x[23] x[24] x[25] x[26] x[27] x[28] x[29] </list>
0.20/0.34	v   <values> 1 1 1 0 0 0 1 0 1 1 0 1 1 0 0 1 0 1 0 0 1 0 0 1 0 1 1 0 0 1 </values>
0.20/0.34	v </instantiation>

Verifier Data 

OK	1129

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-4260979-1502378337/watcher-4260979-1502378337 -o /tmp/evaluation-result-4260979-1502378337/solver-4260979-1502378337 -C 2520 -W 2520 -M 15500 --bin-var /tmp/runsolver-exch-node125-1502331121-20547 --watchdog 2580 MistralXCSP -v 0 --recommended 2 --decay 0.95 --branch_on_aux 10 --seed 1859878339 HOME/instance-4260979-1502378337.xml 

pid=28833
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: 2.14 2.05 2.05 3/181 28836
/proc/meminfo: memFree=31263060/32770624 swapFree=0/485008
[pid=28836] ppid=28833 vsize=23672 CPUtime=0 cores=0,2,4,6
/proc/28836/stat : 28836 (runsolver) D 28833 28836 4057 0 -1 4202560 107 0 0 0 0 0 0 0 20 0 1 0 40054551 24240128 107 18446744073709551615 4194304 4338465 140725103154064 140725103151704 139832859701975 0 0 1 24578 18446744071580418449 0 0 17 6 0 0 0 0 0 6438912 6441760 35766272 140725103161483 140725103161930 140725103161930 140725103165386 0
/proc/28836/statm: 5918 107 54 36 0 2156 0

[startup+0.100091 s]
/proc/loadavg: 2.14 2.05 2.05 3/181 28836
/proc/meminfo: memFree=31263060/32770624 swapFree=0/485008
[pid=28836] ppid=28833 vsize=28664 CPUtime=0 cores=0,2,4,6
/proc/28836/stat : 28836 (MistralXCSP) R 28833 28836 4057 0 -1 4202496 1030 0 0 0 0 0 0 0 20 0 1 0 40054551 29351936 868 18446744073709551615 4194304 7396336 140730967137568 140730967134568 139624619236448 0 0 1 16386 0 0 0 17 0 0 0 9 0 0 9496464 9501696 17784832 140730967138739 140730967138889 140730967138889 140730967142345 0
/proc/28836/statm: 7166 868 700 782 0 182 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 28664

[startup+0.200229 s]
/proc/loadavg: 2.14 2.05 2.05 3/181 28836
/proc/meminfo: memFree=31263060/32770624 swapFree=0/485008
[pid=28836] ppid=28833 vsize=28664 CPUtime=0.1 cores=0,2,4,6
/proc/28836/stat : 28836 (MistralXCSP) R 28833 28836 4057 0 -1 4202496 1033 0 0 0 10 0 0 0 20 0 1 0 40054551 29351936 868 18446744073709551615 4194304 7396336 140730967137568 140730967132584 5772942 0 0 1 16386 0 0 0 17 0 0 0 9 0 0 9496464 9501696 17784832 140730967138739 140730967138889 140730967138889 140730967142345 0
/proc/28836/statm: 7166 868 700 782 0 182 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 28664

[startup+0.300203 s]
/proc/loadavg: 2.14 2.05 2.05 3/181 28836
/proc/meminfo: memFree=31263060/32770624 swapFree=0/485008
[pid=28836] ppid=28833 vsize=28664 CPUtime=0.2 cores=0,2,4,6
/proc/28836/stat : 28836 (MistralXCSP) R 28833 28836 4057 0 -1 4202496 1033 0 0 0 20 0 0 0 20 0 1 0 40054551 29351936 868 18446744073709551615 4194304 7396336 140730967137568 140730967132584 5839018 0 0 1 16386 0 0 0 17 0 0 0 9 0 0 9496464 9501696 17784832 140730967138739 140730967138889 140730967138889 140730967142345 0
/proc/28836/statm: 7166 868 700 782 0 182 0
Current children cumulated CPU time (s) 0.2
Current children cumulated vsize (KiB) 28664

Solver just ended.
??? exit watcher main loop
??? sigkill at end of watcher main loop
??? kill 28836 sig 9
??? end of watcher thread
Dumping a history of the last processes samples

[startup+0.300203 s]
/proc/loadavg: 2.14 2.05 2.05 3/181 28836
/proc/meminfo: memFree=31263060/32770624 swapFree=0/485008
[pid=28836] ppid=28833 vsize=28664 CPUtime=0.2 cores=0,2,4,6
/proc/28836/stat : 28836 (MistralXCSP) R 28833 28836 4057 0 -1 4202496 1033 0 0 0 20 0 0 0 20 0 1 0 40054551 29351936 868 18446744073709551615 4194304 7396336 140730967137568 140730967132584 5839018 0 0 1 16386 0 0 0 17 0 0 0 9 0 0 9496464 9501696 17784832 140730967138739 140730967138889 140730967138889 140730967142345 0
/proc/28836/statm: 7166 868 700 782 0 182 0
Current children cumulated CPU time (s) 0.2
Current children cumulated vsize (KiB) 28664

Child status: 0
Real time (s): 0.343331
CPU time (s): 0.248129
CPU user time (s): 0.245045
CPU system time (s): 0.003084
CPU usage (%): 72.2711
Max. virtual memory (cumulated for all children) (KiB): 28664

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.245045
system time used= 0.003084
maximum resident set size= 3472
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1053
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= 2

??? join timestamper begins
??? join timestamper ends
??? end of timestamper thread
runsolver used 0.006405 second user time and 0.00366 second system time

The end

Launcher Data 

Begin job on node125 at 2017-08-10 17:04:53
IDJOB=4260979
IDBENCH=133470
IDSOLVER=2649
FILE ID=node125/4260979-1502378337
RUNJOBID= node125-1502331121-20547
PBS_JOBID= 
Free space on /tmp= 62024 MiB

SOLVER NAME= Mistral-2.0 2017-07-28
BENCH NAME= XCSP17/Knapsack/Knapsack-m1-s30/Knapsack-30-100-04.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-4260979-1502378337/watcher-4260979-1502378337 -o /tmp/evaluation-result-4260979-1502378337/solver-4260979-1502378337 -C 2520 -W 2520 -M 15500 --bin-var /tmp/runsolver-exch-node125-1502331121-20547 --watchdog 2580  MistralXCSP -v 0 --recommended 2 --decay 0.95 --branch_on_aux 10 --seed 1859878339 HOME/instance-4260979-1502378337.xml

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

MD5SUM BENCH= 7fb632312c7b7dee32941c0d30e198bb
RANDOM SEED=1859878339

node125.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	: 5333.07
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	: 5333.07
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	: 5333.07
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	: 5333.07
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:        31263612 kB
MemAvailable:   31913672 kB
Buffers:          230060 kB
Cached:           712040 kB
SwapCached:            0 kB
Active:           581200 kB
Inactive:         509916 kB
Active(anon):     148996 kB
Inactive(anon):    24908 kB
Active(file):     432204 kB
Inactive(file):   485008 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:      67108860 kB
SwapFree:       67108860 kB
Dirty:              5764 kB
Writeback:             0 kB
AnonPages:        160888 kB
Mapped:            41016 kB
Shmem:             25252 kB
Slab:             122124 kB
SReclaimable:      97368 kB
SUnreclaim:        24756 kB
KernelStack:        3488 kB
PageTables:         5012 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83494172 kB
Committed_AS:     410808 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      350232 kB
VmallocChunk:   34341910524 kB
HardwareCorrupted:     0 kB
AnonHugePages:    108544 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 node125 at 2017-08-10 17:04:53