Trace number 3746279

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
npSolver inc-topDown (fixed)UNSAT 1.07 1.18354

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
namasivayam/tsp/normalized-t3002.11tsp11.1900554072.opb
MD5SUM6281627dc4c435fe3011d1036bb94900
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
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 benchmark1.07
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables231
Total number of constraints2707
Number of constraints which are clauses2684
Number of constraints which are cardinality constraints (but not clauses)22
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint110
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 25
Number of bits of the biggest number in a constraint 5
Biggest sum of numbers in a constraint 695
Number of bits of the biggest sum of numbers10
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.02	c run inc solver
0.00/0.02	c [INC SYSTEM] run initial solver
0.00/0.02	c [INC SYSTEM] preprocess with white file
0.00/0.09	c [INC SYSTEM] finished preprocessing in 0 s
0.00/0.09	c [INC SYSTEM] execute solver
1.07/1.18	c [INC SEARCH] formula is UNSAT
1.07/1.18	c [INC SYSTEM] solved the initial formula
1.07/1.18	s UNSATISFIABLE

Verifier Data 

ERROR: no interpretation found !

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.1 (svn: 989)

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-3746279-1339098181/watcher-3746279-1339098181 -o /tmp/evaluation-result-3746279-1339098181/solver-3746279-1339098181 -C 1800 -W 1900 -M 15500 HOME/npSolver-pbo-Itd.sh HOME/instance-3746279-1339098181.opb 2095530923 HOME HOME 

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: 0.12 0.05 0.01 3/179 24240
/proc/meminfo: memFree=29043056/32873648 swapFree=7120/7120
[pid=24240] ppid=24238 vsize=9148 CPUtime=0 cores=0,2,4,6
/proc/24240/stat : 24240 (npSolver-pbo-It) S 24238 24240 24192 0 -1 4202496 359 0 0 0 0 0 0 0 20 0 1 0 375945472 9367552 275 33554432000 4194304 5064252 140735905386704 140735905385616 219513775694 0 65536 4100 65538 18446744071579302229 0 0 17 4 0 0 0 0 0
/proc/24240/statm: 2287 275 233 213 0 72 0

[startup+0.0334039 s]
/proc/loadavg: 0.12 0.05 0.01 3/179 24240
/proc/meminfo: memFree=29043056/32873648 swapFree=7120/7120
[pid=24240] ppid=24238 vsize=9148 CPUtime=0 cores=0,2,4,6
/proc/24240/stat : 24240 (npSolver-pbo-It) S 24238 24240 24192 0 -1 4202496 359 0 0 0 0 0 0 0 20 0 1 0 375945472 9367552 275 33554432000 4194304 5064252 140735905386704 140735905385616 219513775694 0 65536 4100 65538 18446744071579302229 0 0 17 4 0 0 0 0 0
/proc/24240/statm: 2287 275 233 213 0 72 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 9148

[startup+0.10017 s]
/proc/loadavg: 0.12 0.05 0.01 3/179 24240
/proc/meminfo: memFree=29043056/32873648 swapFree=7120/7120
[pid=24240] ppid=24238 vsize=9148 CPUtime=0 cores=0,2,4,6
/proc/24240/stat : 24240 (npSolver-pbo-It) S 24238 24240 24192 0 -1 4202496 359 0 0 0 0 0 0 0 20 0 1 0 375945472 9367552 275 33554432000 4194304 5064252 140735905386704 140735905385616 219513775694 0 65536 4100 65538 18446744071579302229 0 0 17 4 0 0 0 0 0
/proc/24240/statm: 2287 275 233 213 0 72 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 9148

[startup+0.300212 s]
/proc/loadavg: 0.12 0.05 0.01 3/179 24240
/proc/meminfo: memFree=29043056/32873648 swapFree=7120/7120
[pid=24240] ppid=24238 vsize=9148 CPUtime=0 cores=0,2,4,6
/proc/24240/stat : 24240 (npSolver-pbo-It) S 24238 24240 24192 0 -1 4202496 359 0 0 0 0 0 0 0 20 0 1 0 375945472 9367552 275 33554432000 4194304 5064252 140735905386704 140735905385616 219513775694 0 65536 4100 65538 18446744071579302229 0 0 17 4 0 0 0 0 0
/proc/24240/statm: 2287 275 233 213 0 72 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 9148

[startup+0.700222 s]
/proc/loadavg: 0.12 0.05 0.01 3/179 24240
/proc/meminfo: memFree=29043056/32873648 swapFree=7120/7120
[pid=24240] ppid=24238 vsize=9148 CPUtime=0 cores=0,2,4,6
/proc/24240/stat : 24240 (npSolver-pbo-It) S 24238 24240 24192 0 -1 4202496 359 0 0 0 0 0 0 0 20 0 1 0 375945472 9367552 275 33554432000 4194304 5064252 140735905386704 140735905385616 219513775694 0 65536 4100 65538 18446744071579302229 0 0 17 4 0 0 0 0 0
/proc/24240/statm: 2287 275 233 213 0 72 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 9148

Solver just ended. Dumping a history of the last processes samples

[startup+1.10678 s]
/proc/loadavg: 0.12 0.05 0.01 3/181 24248
/proc/meminfo: memFree=29036608/32873648 swapFree=7120/7120
[pid=24240] ppid=24238 vsize=9148 CPUtime=0 cores=0,2,4,6
/proc/24240/stat : 24240 (npSolver-pbo-It) S 24238 24240 24192 0 -1 4202496 359 0 0 0 0 0 0 0 20 0 1 0 375945472 9367552 275 33554432000 4194304 5064252 140735905386704 140735905385616 219513775694 0 65536 4100 65538 18446744071579302229 0 0 17 4 0 0 0 0 0
/proc/24240/statm: 2287 275 233 213 0 72 0
[pid=24241] ppid=24240 vsize=3116 CPUtime=0.07 cores=0,2,4,6
/proc/24241/stat : 24241 (npSolver-pbo) S 24240 24240 24192 0 -1 4202496 2677 1827 0 0 1 0 6 0 20 0 1 0 375945473 3190784 447 33554432000 4194304 6004724 140736792610288 140736792596568 5190736 0 0 4096 0 18446744071580380219 0 0 17 0 0 0 0 0 0
/proc/24241/statm: 779 447 152 442 0 333 0
[pid=24248] ppid=24241 vsize=7204 CPUtime=1 cores=0,2,4,6
/proc/24248/stat : 24248 (glucosInc) R 24241 24240 24192 0 -1 4202496 1446 0 0 0 100 0 0 0 20 0 1 0 375945482 7376896 978 33554432000 4194304 5654031 140734449032720 140734449030600 4216579 0 0 4096 0 0 0 0 17 4 0 0 0 0 0
/proc/24248/statm: 1801 978 132 357 0 1441 0
Current children cumulated CPU time (s) 1.07
Current children cumulated vsize (KiB) 19468

Child status: 0

# WARNING:
# CPU time reported by wait4() is probably wrong !
# wait4(...,&childrusage) returns 24240 and gives
#  childrusage.ru_utime.tv_sec=0
#  childrusage.ru_utime.tv_usec=77988
#  childrusage.ru_stime.tv_sec=0
#  childrusage.ru_stime.tv_usec=13997
# CPU time returned by wait4() is 0.091985
# while last known CPU time is 1.07
#
# Solver probably didn't/couldn't wait for its children
# Using CPU time of the last sample as value...

Real time (s): 1.18354
CPU time (s): 1.07
CPU user time (s): 1.07
CPU system time (s): 0
CPU usage (%): 90.4067
Max. virtual memory (cumulated for all children) (KiB): 19468

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.077988
system time used= 0.013997
maximum resident set size= 30256
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5062
page faults= 0
swaps= 0
block input operations= 0
block output operations= 360
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 11
involuntary context switches= 7

runsolver used 0.002999 second user time and 0.009998 second system time

The end

Launcher Data 

Begin job on node114 at 2012-06-07 21:43:01
IDJOB=3746279
IDBENCH=1299
IDSOLVER=2332
FILE ID=node114/3746279-1339098181
RUNJOBID= node114-1339098177-24209
PBS_JOBID= 14643739
Free space on /tmp= 70324 MiB

SOLVER NAME= npSolver inc-topDown
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/tsp/normalized-t3002.11tsp11.1900554072.opb
COMMAND LINE= DIR/npSolver-pbo-Itd.sh BENCHNAME RANDOMSEED TMPDIR DIR
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3746279-1339098181/watcher-3746279-1339098181 -o /tmp/evaluation-result-3746279-1339098181/solver-3746279-1339098181 -C 1800 -W 1900 -M 15500  HOME/npSolver-pbo-Itd.sh HOME/instance-3746279-1339098181.opb 2095530923 HOME HOME

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

MD5SUM BENCH= 6281627dc4c435fe3011d1036bb94900
RANDOM SEED=2095530923

node114.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		: 2666.242
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	: 5332.48
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		: 2666.242
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	: 5331.91
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		: 2666.242
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	: 5451.90
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		: 2666.242
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	: 5331.91
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		: 2666.242
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	: 5331.91
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		: 2666.242
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	: 5331.91
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		: 2666.242
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	: 5331.91
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		: 2666.242
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	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:       32873648 kB
MemFree:        29043700 kB
Buffers:          568820 kB
Cached:          2323884 kB
SwapCached:         1944 kB
Active:          1057980 kB
Inactive:        1845700 kB
Active(anon):      10936 kB
Inactive(anon):     2432 kB
Active(file):    1047044 kB
Inactive(file):  1843268 kB
Unevictable:        7120 kB
Mlocked:            7120 kB
SwapTotal:      67108856 kB
SwapFree:       67100568 kB
Dirty:             17384 kB
Writeback:            12 kB
AnonPages:         16504 kB
Mapped:            10864 kB
Shmem:                24 kB
Slab:             789740 kB
SReclaimable:     233944 kB
SUnreclaim:       555796 kB
KernelStack:        1440 kB
PageTables:         3948 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545680 kB
Committed_AS:     132988 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346400 kB
VmallocChunk:   34341988052 kB
HardwareCorrupted:     0 kB
AnonHugePages:      2048 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        7680 kB
DirectMap2M:    33538048 kB

Free space on /tmp at the end= 70316 MiB
End job on node114 at 2012-06-07 21:43:02