Trace number 4097256

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
NaPS 1.02UNSAT 1.00585 1.00682

General information on the benchmark

Namenormalized-PB16/DEC-SMALLINT-LIN/quimper/
SyncCodes/d_n_k/normalized-8_6_19.opb
MD5SUM4aa0461e6e48406fd24bcd0d3dbbf315
Bench CategoryDEC-SMALLINT-LIN (no optimisation, small integers, linear constraints)
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 benchmark0.466928
Has Objective FunctionNO
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables756
Total number of constraints3542
Number of constraints which are clauses3537
Number of constraints which are cardinality constraints (but not clauses)5
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint27
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 19
Number of bits of the biggest number in a constraint 5
Biggest sum of numbers in a constraint 46
Number of bits of the biggest sum of numbers6
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.00	c NaPS 1.02b.
0.99/1.00	s UNSATISFIABLE
0.99/1.00	c _____________________________________________________________________________
0.99/1.00	c 
0.99/1.00	c std/band forms        : 1,1
0.99/1.00	c 2cl/3cl ITE-codings   : 128,135
0.99/1.00	c BDD/srt/adr Max costs : 159,0,0
0.99/1.00	c BDDraw/bin/mul/srt/adr: 2,0,0,0,0
0.99/1.00	c BDD nodes             : 314
0.99/1.00	c Es1/CC detections     : 0,0
0.99/1.00	c SAT/UNSAT calls       : 0,1
0.99/1.00	c restarts              : 17
0.99/1.00	c conflicts             : 27521          (27416 /sec)
0.99/1.00	c decisions             : 30465          (30348 /sec)
0.99/1.00	c propagations          : 4076845        (4061221 /sec)
0.99/1.00	c inspects              : 0              (0 /sec)
0.99/1.00	c CPU time (solving tm) : 1.004 s        (0.9499 s)
0.99/1.00	c Time for Opt-base     : 0 s
0.99/1.00	c _____________________________________________________________________________

Verifier Data 

ERROR: no interpretation found !

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-4097256-1466115120/watcher-4097256-1466115120 -o /tmp/evaluation-result-4097256-1466115120/solver-4097256-1466115120 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node104-1466112183-25652 --watchdog 1960 naps-1.02 HOME/instance-4097256-1466115120.opb 

pid=28128
running on 4 cores: 0,2,4,6

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1900 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: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.06 2.07 1.99 2/174 28131
/proc/meminfo: memFree=31380728/32872528 swapFree=446836/479540
[pid=28131] ppid=28128 vsize=6420 CPUtime=0 cores=0,2,4,6
/proc/28131/stat : 28131 (naps-1.02) R 28128 28131 25636 0 -1 4202496 313 0 0 0 0 0 0 0 20 0 1 0 13562155 6574080 187 33554432000 4194304 5796924 140733616961536 140736150092344 4623838 0 0 4096 17954 0 0 0 17 2 0 0 0 0 0
/proc/28131/statm: 1605 187 127 392 0 1204 0

[startup+0.100158 s]
/proc/loadavg: 2.06 2.07 1.99 2/174 28131
/proc/meminfo: memFree=31380728/32872528 swapFree=446836/479540
[pid=28131] ppid=28128 vsize=7128 CPUtime=0.09 cores=0,2,4,6
/proc/28131/stat : 28131 (naps-1.02) R 28128 28131 25636 0 -1 4202496 596 0 0 0 9 0 0 0 20 0 1 0 13562155 7299072 462 33554432000 4194304 5796924 140733616961536 140736150092344 4608495 0 0 4096 17954 0 0 0 17 2 0 0 0 0 0
/proc/28131/statm: 1782 462 160 392 0 1381 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7128

[startup+0.200274 s]
/proc/loadavg: 2.06 2.07 1.99 2/174 28131
/proc/meminfo: memFree=31380728/32872528 swapFree=446836/479540
[pid=28131] ppid=28128 vsize=3448 CPUtime=0.19 cores=0,2,4,6
/proc/28131/stat : 28131 (naps-1.02) R 28128 28131 25636 0 -1 4202496 781 0 0 0 19 0 0 0 20 0 1 0 13562155 3530752 519 33554432000 4194304 5796924 140733616961536 140733616958648 4606480 0 0 4096 17954 0 0 0 17 2 0 0 0 0 0
/proc/28131/statm: 862 519 164 392 0 461 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 3448

[startup+0.300261 s]
/proc/loadavg: 2.06 2.07 1.99 2/174 28131
/proc/meminfo: memFree=31380728/32872528 swapFree=446836/479540
[pid=28131] ppid=28128 vsize=3688 CPUtime=0.29 cores=0,2,4,6
/proc/28131/stat : 28131 (naps-1.02) R 28128 28131 25636 0 -1 4202496 856 0 0 0 29 0 0 0 20 0 1 0 13562155 3776512 590 33554432000 4194304 5796924 140733616961536 140733616958648 4606708 0 0 4096 17954 0 0 0 17 2 0 0 0 0 0
/proc/28131/statm: 922 590 164 392 0 521 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3688

[startup+0.700231 s]
/proc/loadavg: 2.06 2.07 1.99 2/174 28131
/proc/meminfo: memFree=31380728/32872528 swapFree=446836/479540
[pid=28131] ppid=28128 vsize=4448 CPUtime=0.69 cores=0,2,4,6
/proc/28131/stat : 28131 (naps-1.02) R 28128 28131 25636 0 -1 4202496 1288 0 0 0 69 0 0 0 20 0 1 0 13562155 4554752 773 33554432000 4194304 5796924 140733616961536 140733616958648 4607171 0 0 4096 17954 0 0 0 17 2 0 0 0 0 0
/proc/28131/statm: 1112 773 164 392 0 711 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4448

Solver just ended.
??? exit watcher main loop
??? sigkill at end of watcher main loop
??? kill 28131 sig 9
??? end of watcher thread
Dumping a history of the last processes samples

[startup+0.800249 s]
/proc/loadavg: 2.06 2.07 1.99 2/174 28131
/proc/meminfo: memFree=31380728/32872528 swapFree=446836/479540
[pid=28131] ppid=28128 vsize=5132 CPUtime=0.79 cores=0,2,4,6
/proc/28131/stat : 28131 (naps-1.02) R 28128 28131 25636 0 -1 4202496 1400 0 0 0 79 0 0 0 20 0 1 0 13562155 5255168 883 33554432000 4194304 5796924 140733616961536 140733616958648 4607194 0 0 4096 17954 0 0 0 17 2 0 0 0 0 0
/proc/28131/statm: 1283 883 164 392 0 882 0
Current children cumulated CPU time (s) 0.79
Current children cumulated vsize (KiB) 5132

[startup+1.00023 s]
/proc/loadavg: 2.06 2.07 1.99 2/174 28131
/proc/meminfo: memFree=31380728/32872528 swapFree=446836/479540
[pid=28131] ppid=28128 vsize=5756 CPUtime=0.99 cores=0,2,4,6
/proc/28131/stat : 28131 (naps-1.02) R 28128 28131 25636 0 -1 4202496 1566 0 0 0 99 0 0 0 20 0 1 0 13562155 5894144 1033 33554432000 4194304 5796924 140733616961536 140733616958648 4606534 0 0 4096 17954 0 0 0 17 2 0 0 0 0 0
/proc/28131/statm: 1439 1033 164 392 0 1038 0
Current children cumulated CPU time (s) 0.99
Current children cumulated vsize (KiB) 5756

Child status: 20
Real time (s): 1.00682
CPU time (s): 1.00585
CPU user time (s): 1.00385
CPU system time (s): 0.001999
CPU usage (%): 99.9035
Max. virtual memory (cumulated for all children) (KiB): 7128

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.00385
system time used= 0.001999
maximum resident set size= 4192
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1581
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= 3
involuntary context switches= 2

??? join timestamper begins
??? join timestamper ends
??? end of timestamper thread
runsolver used 0.006998 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node104 at 2016-06-17 00:12:00
IDJOB=4097256
IDBENCH=107731
IDSOLVER=2544
FILE ID=node104/4097256-1466115120
RUNJOBID= node104-1466112183-25652
PBS_JOBID= 19904131
Free space on /tmp= 71700 MiB

SOLVER NAME= NaPS 1.02
BENCH NAME= PB16/normalized-PB16/DEC-SMALLINT-LIN/quimper/SyncCodes/d_n_k/normalized-8_6_19.opb
COMMAND LINE= naps-1.02 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-4097256-1466115120/watcher-4097256-1466115120 -o /tmp/evaluation-result-4097256-1466115120/solver-4097256-1466115120 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node104-1466112183-25652 --watchdog 1960  naps-1.02 HOME/instance-4097256-1466115120.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= 4aa0461e6e48406fd24bcd0d3dbbf315
RANDOM SEED=284302853

node104.alineos.net Linux 2.6.32-71.29.1.el6.x86_64 #1 SMP Mon Jun 27 19:49:27 BST 2011

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.035
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 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 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 tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5334.07
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
cpu MHz		: 2667.035
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 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 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 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
cpu MHz		: 2667.035
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 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 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 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	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.035
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 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 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 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
cpu MHz		: 2667.035
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 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 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 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	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.035
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 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 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 tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5332.54
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
cpu MHz		: 2667.035
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 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 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 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	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.035
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 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 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 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:       32872528 kB
MemFree:        31381272 kB
Buffers:           73524 kB
Cached:           147076 kB
SwapCached:          516 kB
Active:           187328 kB
Inactive:         119428 kB
Active(anon):      87340 kB
Inactive(anon):     1168 kB
Active(file):      99988 kB
Inactive(file):   118260 kB
Unevictable:      479540 kB
Mlocked:          446836 kB
SwapTotal:      67108856 kB
SwapFree:       67100316 kB
Dirty:              4224 kB
Writeback:             0 kB
AnonPages:        569396 kB
Mapped:             7968 kB
Shmem:                 0 kB
Slab:             571440 kB
SReclaimable:      15496 kB
SUnreclaim:       555944 kB
KernelStack:        1456 kB
PageTables:         5308 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545120 kB
Committed_AS:     680108 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346412 kB
VmallocChunk:   34341988032 kB
HardwareCorrupted:     0 kB
AnonHugePages:    114688 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        7552 kB
DirectMap2M:    33538048 kB

Free space on /tmp at the end= 71696 MiB
End job on node104 at 2016-06-17 00:12:01