Trace number 4081876

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 1.02SAT 0.229964 0.231349

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga40_39_sat_pb.cnf.cr.opb
MD5SUM72bb077846a4d869a09744c0b238b13c
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.038993
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables2340
Total number of constraints1678
Number of constraints which are clauses1599
Number of constraints which are cardinality constraints (but not clauses)79
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint20
Maximum length of a constraint40
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 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 41
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.
0.19/0.23	s SATISFIABLE
0.19/0.23	c _____________________________________________________________________________
0.19/0.23	c 
0.19/0.23	c std/band forms        : 79,0
0.19/0.23	c 2cl/3cl ITE-codings   : 2182,0
0.19/0.23	c BDD/srt/adr Max costs : 75,0,0
0.19/0.23	c BDDraw/bin/mul/srt/adr: 79,0,0,0,0
0.19/0.23	c BDD nodes             : 4522
0.19/0.23	c Es1/CC detections     : 0,0
0.19/0.23	c SAT/UNSAT calls       : 1,0
0.19/0.23	c restarts              : 4
0.19/0.23	c conflicts             : 276            (1221 /sec)
0.19/0.23	c decisions             : 3303           (14617 /sec)
0.19/0.23	c propagations          : 34401          (152240 /sec)
0.19/0.23	c inspects              : 0              (0 /sec)
0.19/0.23	c CPU time (solving tm) : 0.226 s        (0.02899 s)
0.19/0.23	c Time for Opt-base     : 0 s
0.19/0.23	c _____________________________________________________________________________
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Verifier Data

OK	0

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-4081876-1465222010/watcher-4081876-1465222010 -o /tmp/evaluation-result-4081876-1465222010/solver-4081876-1465222010 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node120-1465222007-31552 --watchdog 1960 naps-1.02 HOME/instance-4081876-1465222010.opb 

pid=31901
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: 1.30 1.81 1.97 4/176 31904
/proc/meminfo: memFree=30365176/32872528 swapFree=15644/1722384
[pid=31904] ppid=31901 vsize=6552 CPUtime=0 cores=0,2,4,6
/proc/31904/stat : 31904 (naps-1.02) R 31901 31904 31536 0 -1 4202496 331 0 0 0 0 0 0 0 20 0 1 0 104134551 6709248 206 33554432000 4194304 5796924 140734400989680 140736023758888 5183584 0 0 4096 17954 0 0 0 17 4 0 0 0 0 0
/proc/31904/statm: 1638 206 127 392 0 1237 0

[startup+0.100123 s]
/proc/loadavg: 1.30 1.81 1.97 4/176 31904
/proc/meminfo: memFree=30365176/32872528 swapFree=15644/1722384
[pid=31904] ppid=31901 vsize=7124 CPUtime=0.09 cores=0,2,4,6
/proc/31904/stat : 31904 (naps-1.02) R 31901 31904 31536 0 -1 4202496 501 0 0 0 9 0 0 0 20 0 1 0 104134551 7294976 373 33554432000 4194304 5796924 140734400989680 140736023758888 5183584 0 0 4096 17954 0 0 0 17 4 0 0 0 0 0
/proc/31904/statm: 1781 373 127 392 0 1380 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7124

[startup+0.20035 s]
/proc/loadavg: 1.30 1.81 1.97 4/176 31904
/proc/meminfo: memFree=30365176/32872528 swapFree=15644/1722384
[pid=31904] ppid=31901 vsize=9232 CPUtime=0.19 cores=0,2,4,6
/proc/31904/stat : 31904 (naps-1.02) R 31901 31904 31536 0 -1 4202496 1173 0 0 0 19 0 0 0 20 0 1 0 104134551 9453568 981 33554432000 4194304 5796924 140734400989680 140734400945544 4574688 0 0 4096 17954 0 0 0 17 4 0 0 0 0 0
/proc/31904/statm: 2308 982 146 392 0 1907 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 9232

Solver just ended.
??? exit watcher main loop
??? sigkill at end of watcher main loop
??? kill 31904 sig 9
??? end of watcher thread
Dumping a history of the last processes samples

Child status: 20
Real time (s): 0.231349
CPU time (s): 0.229964
CPU user time (s): 0.226965
CPU system time (s): 0.002999
CPU usage (%): 99.4014
Max. virtual memory (cumulated for all children) (KiB): 9232

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.226965
system time used= 0.002999
maximum resident set size= 4696
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1507
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 0.004999 second system time

The end

Launcher Data

Begin job on node120 at 2016-06-06 16:06:50
IDJOB=4081876
IDBENCH=1430
IDSOLVER=2544
FILE ID=node120/4081876-1465222010
RUNJOBID= node120-1465222007-31552
PBS_JOBID= 19843231
Free space on /tmp= 71736 MiB

SOLVER NAME= NaPS 1.02
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga40_39_sat_pb.cnf.cr.opb
COMMAND LINE= naps-1.02 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-4081876-1465222010/watcher-4081876-1465222010 -o /tmp/evaluation-result-4081876-1465222010/solver-4081876-1465222010 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node120-1465222007-31552 --watchdog 1960  naps-1.02 HOME/instance-4081876-1465222010.opb

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

MD5SUM BENCH= 72bb077846a4d869a09744c0b238b13c
RANDOM SEED=453508710

node120.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		: 2666.425
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	: 5332.85
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		: 2666.425
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		: 2666.425
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		: 2666.425
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		: 2666.425
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		: 2666.425
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	: 5332.55
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
cpu MHz		: 2666.425
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		: 2666.425
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:        30364968 kB
Buffers:           10596 kB
Cached:            54700 kB
SwapCached:         1080 kB
Active:            55492 kB
Inactive:          28072 kB
Active(anon):      18892 kB
Inactive(anon):     1852 kB
Active(file):      36600 kB
Inactive(file):    26220 kB
Unevictable:     1722384 kB
Mlocked:           15644 kB
SwapTotal:      67108856 kB
SwapFree:       67099496 kB
Dirty:              8488 kB
Writeback:             0 kB
AnonPages:       1733704 kB
Mapped:             8140 kB
Shmem:                 0 kB
Slab:             566792 kB
SReclaimable:       9692 kB
SUnreclaim:       557100 kB
KernelStack:        1424 kB
PageTables:         7692 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545120 kB
Committed_AS:    1860328 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346412 kB
VmallocChunk:   34341988032 kB
HardwareCorrupted:     0 kB
AnonHugePages:   1710080 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= 71732 MiB
End job on node120 at 2016-06-06 16:06:50