Trace number 2682582

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
PB/CT 0.1 fixedUNSAT 162.349 162.398

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
namasivayam/tsp/normalized-t3002.11tsp11.1900566157.opb
MD5SUM8170439ba832b251137a16b29cd20ba3
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 benchmark46.122
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 801
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 

0.00/0.00	c PB/CT 0.1.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.00/0.03	c constraints 23/0 clauses 2684/0 units 0
0.00/0.03	c vars 231
162.25/162.37	c 144.776 12.5586 1100 967127
162.25/162.39	s UNSATISFIABLE

Verifier Data 

ERROR: no interpretation found !

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2682582-1277475814/watcher-2682582-1277475814 -o /tmp/evaluation-result-2682582-1277475814/solver-2682582-1277475814 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682582-1277475814.opb 

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): 2000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.95 0.46 0.18 3/106 28030
/proc/meminfo: memFree=1750492/2059040 swapFree=4140528/4192956
[pid=28030] ppid=28028 vsize=2136 CPUtime=0
/proc/28030/stat : 28030 (pbct) R 28028 28030 27972 0 -1 4202496 246 0 0 0 0 0 0 0 20 0 1 0 88873007 2187264 166 1992294400 134512640 136421960 4290052176 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28030/statm: 534 166 144 467 0 65 0

[startup+0.067934 s]
/proc/loadavg: 0.95 0.46 0.18 3/106 28030
/proc/meminfo: memFree=1750492/2059040 swapFree=4140528/4192956
[pid=28030] ppid=28028 vsize=7532 CPUtime=0.05
/proc/28030/stat : 28030 (pbct) R 28028 28030 27972 0 -1 4202496 1565 0 0 0 5 0 0 0 20 0 1 0 88873007 7712768 1485 1992294400 134512640 136421960 4290052176 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/28030/statm: 1883 1491 194 467 0 1414 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 7532

[startup+0.100937 s]
/proc/loadavg: 0.95 0.46 0.18 3/106 28030
/proc/meminfo: memFree=1750492/2059040 swapFree=4140528/4192956
[pid=28030] ppid=28028 vsize=10100 CPUtime=0.09
/proc/28030/stat : 28030 (pbct) R 28028 28030 27972 0 -1 4202496 2175 0 0 0 8 1 0 0 20 0 1 0 88873007 10342400 2093 1992294400 134512640 136421960 4290052176 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/28030/statm: 2525 2093 213 467 0 2056 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10100

[startup+0.300954 s]
/proc/loadavg: 0.95 0.46 0.18 3/106 28030
/proc/meminfo: memFree=1750492/2059040 swapFree=4140528/4192956
[pid=28030] ppid=28028 vsize=10228 CPUtime=0.29
/proc/28030/stat : 28030 (pbct) R 28028 28030 27972 0 -1 4202496 2209 0 0 0 25 4 0 0 20 0 1 0 88873007 10473472 2127 1992294400 134512640 136421960 4290052176 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/28030/statm: 2557 2127 213 467 0 2088 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10228

[startup+0.700988 s]
/proc/loadavg: 0.95 0.46 0.18 3/106 28030
/proc/meminfo: memFree=1750492/2059040 swapFree=4140528/4192956
[pid=28030] ppid=28028 vsize=10360 CPUtime=0.69
/proc/28030/stat : 28030 (pbct) R 28028 28030 27972 0 -1 4202496 2249 0 0 0 60 9 0 0 21 0 1 0 88873007 10608640 2167 1992294400 134512640 136421960 4290052176 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/28030/statm: 2590 2167 213 467 0 2121 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10360

[startup+1.50106 s]
/proc/loadavg: 0.95 0.46 0.18 2/107 28031
/proc/meminfo: memFree=1742424/2059040 swapFree=4140528/4192956
[pid=28030] ppid=28028 vsize=10488 CPUtime=1.49
/proc/28030/stat : 28030 (pbct) R 28028 28030 27972 0 -1 4202496 2282 0 0 0 132 17 0 0 23 0 1 0 88873007 10739712 2200 1992294400 134512640 136421960 4290052176 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/28030/statm: 2622 2200 213 467 0 2153 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 10488

[startup+3.1012 s]
/proc/loadavg: 0.95 0.46 0.18 2/107 28031
/proc/meminfo: memFree=1742052/2059040 swapFree=4140528/4192956
[pid=28030] ppid=28028 vsize=10744 CPUtime=3.09
/proc/28030/stat : 28030 (pbct) R 28028 28030 27972 0 -1 4202496 2331 0 0 0 272 37 0 0 25 0 1 0 88873007 11001856 2249 1992294400 134512640 136421960 4290052176 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/28030/statm: 2686 2249 213 467 0 2217 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 10744

[startup+6.30048 s]
/proc/loadavg: 0.96 0.47 0.18 2/107 28031
/proc/meminfo: memFree=1741680/2059040 swapFree=4140528/4192956
[pid=28030] ppid=28028 vsize=10892 CPUtime=6.29
/proc/28030/stat : 28030 (pbct) R 28028 28030 27972 0 -1 4202496 2375 0 0 0 552 77 0 0 25 0 1 0 88873007 11153408 2293 1992294400 134512640 136421960 4290052176 18446744073709551615 134861902 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/28030/statm: 2723 2293 213 467 0 2254 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 10892

[startup+12.701 s]
/proc/loadavg: 0.96 0.48 0.19 2/107 28031
/proc/meminfo: memFree=1741308/2059040 swapFree=4140528/4192956
[pid=28030] ppid=28028 vsize=11152 CPUtime=12.69
/proc/28030/stat : 28030 (pbct) R 28028 28030 27972 0 -1 4202496 2458 0 0 0 1114 155 0 0 25 0 1 0 88873007 11419648 2376 1992294400 134512640 136421960 4290052176 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/28030/statm: 2788 2376 213 467 0 2319 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 11152

[startup+25.5012 s]
/proc/loadavg: 0.97 0.51 0.20 2/107 28031
/proc/meminfo: memFree=1740936/2059040 swapFree=4140528/4192956
[pid=28030] ppid=28028 vsize=11548 CPUtime=25.48
/proc/28030/stat : 28030 (pbct) R 28028 28030 27972 0 -1 4202496 2529 0 0 0 2242 306 0 0 25 0 1 0 88873007 11825152 2447 1992294400 134512640 136421960 4290052176 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/28030/statm: 2887 2447 213 467 0 2418 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 11548

[startup+51.1014 s]
/proc/loadavg: 0.98 0.54 0.22 2/107 28031
/proc/meminfo: memFree=1740564/2059040 swapFree=4140528/4192956
[pid=28030] ppid=28028 vsize=11936 CPUtime=51.08
/proc/28030/stat : 28030 (pbct) R 28028 28030 27972 0 -1 4202496 2641 0 0 0 4523 585 0 0 25 0 1 0 88873007 12222464 2559 1992294400 134512640 136421960 4290052176 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/28030/statm: 2984 2559 213 467 0 2515 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 11936

[startup+102.308 s]
/proc/loadavg: 0.99 0.61 0.26 2/107 28033
/proc/meminfo: memFree=1739944/2059040 swapFree=4140528/4192956
[pid=28030] ppid=28028 vsize=12328 CPUtime=102.27
/proc/28030/stat : 28030 (pbct) R 28028 28030 27972 0 -1 4202496 2723 0 0 0 9080 1147 0 0 25 0 1 0 88873007 12623872 2641 1992294400 134512640 136421960 4290052176 18446744073709551615 134857219 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/28030/statm: 3082 2641 213 467 0 2613 0
Current children cumulated CPU time (s) 102.27
Current children cumulated vsize (KiB) 12328

[startup+162.301 s]
/proc/loadavg: 0.99 0.68 0.30 2/107 28035
/proc/meminfo: memFree=1739448/2059040 swapFree=4140528/4192956
[pid=28030] ppid=28028 vsize=12856 CPUtime=162.25
/proc/28030/stat : 28030 (pbct) R 28028 28030 27972 0 -1 4202496 2855 0 0 0 14471 1754 0 0 25 0 1 0 88873007 13164544 2773 1992294400 134512640 136421960 4290052176 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/28030/statm: 3214 2773 213 467 0 2745 0
Current children cumulated CPU time (s) 162.25
Current children cumulated vsize (KiB) 12856

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

Child status: 0
Real time (s): 162.398
CPU time (s): 162.349
CPU user time (s): 144.802
CPU system time (s): 17.5473
CPU usage (%): 99.9702
Max. virtual memory (cumulated for all children) (KiB): 12856

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 144.802
system time used= 17.5473
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2881
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= 1
involuntary context switches= 1378

runsolver used 0.281957 second user time and 0.759884 second system time

The end

Launcher Data 

Begin job on node050 at 2010-06-25 16:23:34
IDJOB=2682582
IDBENCH=1330
IDSOLVER=1192
FILE ID=node050/2682582-1277475814
PBS_JOBID= 11190496
Free space on /tmp= 62380 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/tsp/normalized-t3002.11tsp11.1900566157.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682582-1277475814/watcher-2682582-1277475814 -o /tmp/evaluation-result-2682582-1277475814/solver-2682582-1277475814 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682582-1277475814.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 8170439ba832b251137a16b29cd20ba3
RANDOM SEED=311138476

node050.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.215
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 syscall nx lm constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.43
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.215
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 syscall nx lm constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.45
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1751020 kB
Buffers:         56472 kB
Cached:         151980 kB
SwapCached:       5664 kB
Active:          70476 kB
Inactive:       151208 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1751020 kB
SwapTotal:     4192956 kB
SwapFree:      4140528 kB
Dirty:            2000 kB
Writeback:           0 kB
AnonPages:       11916 kB
Mapped:          11960 kB
Slab:            64512 kB
PageTables:       4224 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182520 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62380 MiB
End job on node050 at 2010-06-25 16:26:16