Trace number 4264526

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
AbsCon-basic 2017-06-11UNSAT 1.42821 0.82083797

DiagnosticValue
WRONG_DECISIONS76

General information on the benchmark

NameQueensKnights/QueensKnights-m1-s1/
QueensKnights-008-05-mul.xml
MD5SUMd00d8f739bc214548f076bd032f30ee9
Bench CategoryCSP (decision problem)
Best result obtained on this benchmarkUNSAT
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark0.127042
Satisfiable
(Un)Satisfiability was proved
Number of variables13
Number of constraints78
Number of domains2
Minimum domain size8
Maximum domain size64
Distribution of domain sizes[{"size":8,"count":8},{"size":64,"count":5}]
Minimum variable degree12
Maximum variable degree12
Distribution of variable degrees[{"degree":12,"count":13}]
Minimum constraint arity2
Maximum constraint arity2
Distribution of constraint arities[{"arity":2,"count":78}]
Number of extensional constraints0
Number of intensional constraints78
Distribution of constraint types[{"type":"intension","count":78}]
Optimization problemNO
Type of objective

Solver Data 

0.22/0.37	
0.22/0.37	AbsCon 2 
0.22/0.37	
0.56/0.58	  Solving XCSP3-instance-4264526-1502273967 as a CSP
0.56/0.58	  Loading variables...
0.78/0.63	  Loading constraints...
1.13/0.72	  Solver SolverBacktrack being built...
1.13/0.72	
1.13/0.74	  Preprocessing : gac=true, ccks=0, filters=0, revisions=0 (useless=0), AC=0, removals=0, inconsistent=false
1.13/0.74	
1.39/0.80	
1.39/0.80	s UNSATISFIABLE
1.39/0.80	
1.39/0.80	d WRONG_DECISIONS 76

Verifier Data


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-4264526-1502273967/watcher-4264526-1502273967 -o /tmp/evaluation-result-4264526-1502273967/solver-4264526-1502273967 -C 2520 -W 2520 -M 15500 --bin-var /tmp/runsolver-exch-node127-1502258002-23061 --watchdog 2580 java -jar HOME/AbsCon-basic.jar HOME/instance-4264526-1502273967.xml 

pid=25699
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: 1.87 1.73 1.70 2/181 25702
/proc/meminfo: memFree=31437164/32770624 swapFree=0/444036
[pid=25702] ppid=25699 vsize=23672 CPUtime=0 cores=0,2,4,6
/proc/25702/stat : 25702 (runsolver) D 25699 25702 16590 0 -1 4202560 107 0 0 0 0 0 0 0 20 0 1 0 29590328 24240128 108 18446744073709551615 4194304 4338465 140730921086368 140730921084008 140325969400535 0 0 1 24578 18446744071580418449 0 0 17 2 0 0 0 0 0 6438912 6441760 25767936 140730921095328 140730921095754 140730921095754 140730921099210 0
/proc/25702/statm: 5918 108 54 36 0 2156 0

[startup+0.100191 s]
/proc/loadavg: 1.87 1.73 1.70 2/181 25702
/proc/meminfo: memFree=31437164/32770624 swapFree=0/444036
[pid=25702] ppid=25699 vsize=9936560 CPUtime=0.01 cores=0,2,4,6
/proc/25702/stat : 25702 (java) S 25699 25702 16590 0 -1 1077944320 3530 0 0 0 1 0 0 0 20 0 6 0 29590328 10175037440 4697 18446744073709551615 4194304 4196468 140721403182752 140721403165296 139771607166711 0 0 1 16784584 18446744073709551615 0 0 17 0 0 0 7 0 0 6293624 6294260 35627008 140721403183566 140721403183695 140721403183695 140721403187151 0
/proc/25702/statm: 2484140 4697 1922 1 0 2473637 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 9936560

[startup+0.200346 s]
/proc/loadavg: 1.87 1.73 1.70 2/181 25702
/proc/meminfo: memFree=31437164/32770624 swapFree=0/444036
[pid=25702] ppid=25699 vsize=10484492 CPUtime=0.05 cores=0,2,4,6
/proc/25702/stat : 25702 (java) S 25699 25702 16590 0 -1 1077944320 4652 0 0 0 4 1 0 0 20 0 14 0 29590328 10736119808 5687 18446744073709551615 4194304 4196468 140721403182752 140721403165296 139771607166711 0 0 1 16800974 18446744073709551615 0 0 17 0 0 0 7 0 0 6293624 6294260 35627008 140721403183566 140721403183695 140721403183695 140721403187151 0
/proc/25702/statm: 2621123 5687 2570 1 0 2610620 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 10484492

[startup+0.300274 s]
/proc/loadavg: 1.87 1.73 1.70 2/181 25702
/proc/meminfo: memFree=31437164/32770624 swapFree=0/444036
[pid=25702] ppid=25699 vsize=10551180 CPUtime=0.22 cores=0,2,4,6
/proc/25702/stat : 25702 (java) S 25699 25702 16590 0 -1 1077944320 8549 0 0 0 20 2 0 0 20 0 15 0 29590328 10804408320 8878 18446744073709551615 4194304 4196468 140721403182752 140721403165296 139771607166711 0 0 1 16800974 18446744073709551615 0 0 17 0 0 0 7 0 0 6293624 6294260 35627008 140721403183566 140721403183695 140721403183695 140721403187151 0
/proc/25702/statm: 2637795 8878 2881 1 0 2627261 0
Current children cumulated CPU time (s) 0.22
Current children cumulated vsize (KiB) 10551180

[startup+0.702871 s]
/proc/loadavg: 1.87 1.73 1.70 2/181 25702
/proc/meminfo: memFree=31437164/32770624 swapFree=0/444036
[pid=25702] ppid=25699 vsize=10621952 CPUtime=1.13 cores=0,2,4,6
/proc/25702/stat : 25702 (java) S 25699 25702 16590 0 -1 1077944320 14200 0 0 0 107 6 0 0 20 0 16 0 29590328 10876878848 19311 18446744073709551615 4194304 4196468 140721403182752 140721403165296 139771607166711 0 0 1 16800974 18446744073709551615 0 0 17 0 0 0 7 0 0 6293624 6294260 35627008 140721403183566 140721403183695 140721403183695 140721403187151 0
/proc/25702/statm: 2655488 19311 3082 1 0 2644414 0
Current children cumulated CPU time (s) 1.13
Current children cumulated vsize (KiB) 10621952

Solver just ended.
??? exit watcher main loop
??? sigkill at end of watcher main loop
??? kill 25702 sig 9
??? end of watcher thread
Dumping a history of the last processes samples

[startup+0.800349 s]
/proc/loadavg: 1.87 1.73 1.70 2/181 25702
/proc/meminfo: memFree=31437164/32770624 swapFree=0/444036
[pid=25702] ppid=25699 vsize=10621952 CPUtime=1.39 cores=0,2,4,6
/proc/25702/stat : 25702 (java) S 25699 25702 16590 0 -1 1077944320 14551 0 0 0 133 6 0 0 20 0 16 0 29590328 10876878848 23255 18446744073709551615 4194304 4196468 140721403182752 140721403165296 139771607166711 0 0 1 16800974 18446744073709551615 0 0 17 0 0 0 7 0 0 6293624 6294260 35627008 140721403183566 140721403183695 140721403183695 140721403187151 0
/proc/25702/statm: 2655488 23255 3090 1 0 2644414 0
Current children cumulated CPU time (s) 1.39
Current children cumulated vsize (KiB) 10621952

Child status: 0
Real time (s): 0.820838
CPU time (s): 1.42821
CPU user time (s): 1.35489
CPU system time (s): 0.07332
CPU usage (%): 173.994
Max. virtual memory (cumulated for all children) (KiB): 10621952

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.35489
system time used= 0.07332
maximum resident set size= 93500
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 14601
page faults= 0
swaps= 0
block input operations= 0
block output operations= 72
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 1609
involuntary context switches= 9

??? join timestamper begins
??? join timestamper ends
??? end of timestamper thread
runsolver used 0.005571 second user time and 0.005764 second system time

The end

Launcher Data 

Begin job on node127 at 2017-08-09 12:05:22
IDJOB=4264526
IDBENCH=120884
IDSOLVER=2652
FILE ID=node127/4264526-1502273967
RUNJOBID= node127-1502258002-23061
PBS_JOBID= 
Free space on /tmp= 62024 MiB

SOLVER NAME= AbsCon-basic 2017-06-11
BENCH NAME= XCSP17/QueensKnights/QueensKnights-m1-s1/QueensKnights-008-05-mul.xml
COMMAND LINE= java -jar HOME/AbsCon-basic.jar BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-4264526-1502273967/watcher-4264526-1502273967 -o /tmp/evaluation-result-4264526-1502273967/solver-4264526-1502273967 -C 2520 -W 2520 -M 15500 --bin-var /tmp/runsolver-exch-node127-1502258002-23061 --watchdog 2580  java -jar HOME/AbsCon-basic.jar HOME/instance-4264526-1502273967.xml

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

MD5SUM BENCH= d00d8f739bc214548f076bd032f30ee9
RANDOM SEED=69086826

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:        31436904 kB
MemAvailable:   32014812 kB
Buffers:          195936 kB
Cached:           666732 kB
SwapCached:            0 kB
Active:           457436 kB
Inactive:         460752 kB
Active(anon):      55684 kB
Inactive(anon):    16716 kB
Active(file):     401752 kB
Inactive(file):   444036 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:      67108860 kB
SwapFree:       67108860 kB
Dirty:             16056 kB
Writeback:             0 kB
AnonPages:         55728 kB
Mapped:            36480 kB
Shmem:             17060 kB
Slab:             121204 kB
SReclaimable:      95912 kB
SUnreclaim:        25292 kB
KernelStack:        3120 kB
PageTables:         4892 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83494172 kB
Committed_AS:     309196 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= 62016 MiB
End job on node127 at 2017-08-09 12:05:23