Trace number 2668960

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 0.1UNSAT 104.671 104.696

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
namasivayam/tsp/normalized-t3002.11tsp11.1900568186.opb
MD5SUM75bd0b27f5ff05dc207afe3c3d5552d1
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 benchmark27.7288
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 721
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 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.00/0.04	c constraints 23/0 clauses 2684/0 units 0
0.00/0.04	c vars 231
104.56/104.66	c 94.0477 12.3672 823 668704
104.56/104.69	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-2668960-1276432692/watcher-2668960-1276432692 -o /tmp/evaluation-result-2668960-1276432692/solver-2668960-1276432692 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2668960-1276432692.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: 1.05 1.01 1.00 3/106 23274
/proc/meminfo: memFree=1826892/2059040 swapFree=4136640/4192956
[pid=23274] ppid=23272 vsize=2208 CPUtime=0
/proc/23274/stat : 23274 (pbct) R 23272 23274 21382 0 -1 4202496 254 0 0 0 0 0 0 0 20 0 1 0 16924586 2260992 177 1992294400 134512640 136485738 4294379904 18446744073709551615 135856905 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/23274/statm: 552 177 156 482 0 68 0

[startup+0.0592521 s]
/proc/loadavg: 1.05 1.01 1.00 3/106 23274
/proc/meminfo: memFree=1826892/2059040 swapFree=4136640/4192956
[pid=23274] ppid=23272 vsize=4756 CPUtime=0.05
/proc/23274/stat : 23274 (pbct) R 23272 23274 21382 0 -1 4202496 859 0 0 0 5 0 0 0 20 0 1 0 16924586 4870144 782 1992294400 134512640 136485738 4294379904 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23274/statm: 1189 783 191 482 0 705 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 4756

[startup+0.101253 s]
/proc/loadavg: 1.05 1.01 1.00 3/106 23274
/proc/meminfo: memFree=1826892/2059040 swapFree=4136640/4192956
[pid=23274] ppid=23272 vsize=9912 CPUtime=0.09
/proc/23274/stat : 23274 (pbct) R 23272 23274 21382 0 -1 4202496 2123 0 0 0 9 0 0 0 20 0 1 0 16924586 10149888 2044 1992294400 134512640 136485738 4294379904 18446744073709551615 135860688 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23274/statm: 2478 2044 208 482 0 1994 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9912

[startup+0.30127 s]
/proc/loadavg: 1.05 1.01 1.00 3/106 23274
/proc/meminfo: memFree=1826892/2059040 swapFree=4136640/4192956
[pid=23274] ppid=23272 vsize=10300 CPUtime=0.29
/proc/23274/stat : 23274 (pbct) R 23272 23274 21382 0 -1 4202496 2215 0 0 0 26 3 0 0 20 0 1 0 16924586 10547200 2136 1992294400 134512640 136485738 4294379904 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23274/statm: 2575 2136 223 482 0 2091 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10300

[startup+0.701301 s]
/proc/loadavg: 1.05 1.01 1.00 3/106 23274
/proc/meminfo: memFree=1826892/2059040 swapFree=4136640/4192956
[pid=23274] ppid=23272 vsize=10436 CPUtime=0.69
/proc/23274/stat : 23274 (pbct) R 23272 23274 21382 0 -1 4202496 2254 0 0 0 60 9 0 0 20 0 1 0 16924586 10686464 2175 1992294400 134512640 136485738 4294379904 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23274/statm: 2609 2175 223 482 0 2125 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10436

[startup+1.50136 s]
/proc/loadavg: 1.05 1.01 1.00 2/107 23275
/proc/meminfo: memFree=1818824/2059040 swapFree=4136640/4192956
[pid=23274] ppid=23272 vsize=10572 CPUtime=1.49
/proc/23274/stat : 23274 (pbct) R 23272 23274 21382 0 -1 4202496 2292 0 0 0 131 18 0 0 22 0 1 0 16924586 10825728 2213 1992294400 134512640 136485738 4294379904 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23274/statm: 2643 2213 223 482 0 2159 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 10572

[startup+3.10149 s]
/proc/loadavg: 1.05 1.01 1.00 2/107 23275
/proc/meminfo: memFree=1818452/2059040 swapFree=4136640/4192956
[pid=23274] ppid=23272 vsize=10700 CPUtime=3.09
/proc/23274/stat : 23274 (pbct) R 23272 23274 21382 0 -1 4202496 2315 0 0 0 273 36 0 0 25 0 1 0 16924586 10956800 2236 1992294400 134512640 136485738 4294379904 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23274/statm: 2675 2236 223 482 0 2191 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 10700

[startup+6.30075 s]
/proc/loadavg: 1.05 1.01 1.00 2/107 23275
/proc/meminfo: memFree=1818080/2059040 swapFree=4136640/4192956
[pid=23274] ppid=23272 vsize=10960 CPUtime=6.29
/proc/23274/stat : 23274 (pbct) R 23272 23274 21382 0 -1 4202496 2372 0 0 0 554 75 0 0 25 0 1 0 16924586 11223040 2293 1992294400 134512640 136485738 4294379904 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23274/statm: 2740 2293 223 482 0 2256 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 10960

[startup+12.7013 s]
/proc/loadavg: 1.04 1.01 1.00 2/107 23278
/proc/meminfo: memFree=1817088/2059040 swapFree=4136640/4192956
[pid=23274] ppid=23272 vsize=11220 CPUtime=12.69
/proc/23274/stat : 23274 (pbct) R 23272 23274 21382 0 -1 4202496 2438 0 0 0 1125 144 0 0 25 0 1 0 16924586 11489280 2359 1992294400 134512640 136485738 4294379904 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23274/statm: 2805 2359 223 482 0 2321 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 11220

[startup+25.5013 s]
/proc/loadavg: 1.03 1.01 1.00 2/107 23278
/proc/meminfo: memFree=1816840/2059040 swapFree=4136640/4192956
[pid=23274] ppid=23272 vsize=11608 CPUtime=25.49
/proc/23274/stat : 23274 (pbct) R 23272 23274 21382 0 -1 4202496 2544 0 0 0 2266 283 0 0 25 0 1 0 16924586 11886592 2465 1992294400 134512640 136485738 4294379904 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23274/statm: 2902 2465 223 482 0 2418 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 11608

[startup+51.1013 s]
/proc/loadavg: 1.02 1.01 1.00 2/107 23280
/proc/meminfo: memFree=1816468/2059040 swapFree=4136640/4192956
[pid=23274] ppid=23272 vsize=11992 CPUtime=51.08
/proc/23274/stat : 23274 (pbct) R 23272 23274 21382 0 -1 4202496 2656 0 0 0 4561 547 0 0 25 0 1 0 16924586 12279808 2577 1992294400 134512640 136485738 4294379904 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23274/statm: 2998 2577 223 482 0 2514 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 11992

[startup+102.308 s]
/proc/loadavg: 1.01 1.00 1.00 2/107 23280
/proc/meminfo: memFree=1816096/2059040 swapFree=4136640/4192956
[pid=23274] ppid=23272 vsize=12520 CPUtime=102.27
/proc/23274/stat : 23274 (pbct) R 23272 23274 21382 0 -1 4202496 2782 0 0 0 9191 1036 0 0 25 0 1 0 16924586 12820480 2703 1992294400 134512640 136485738 4294379904 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23274/statm: 3130 2703 223 482 0 2646 0
Current children cumulated CPU time (s) 102.27
Current children cumulated vsize (KiB) 12520

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

[startup+103.902 s]
/proc/loadavg: 1.01 1.00 1.00 2/107 23280
/proc/meminfo: memFree=1816096/2059040 swapFree=4136640/4192956
[pid=23274] ppid=23272 vsize=12660 CPUtime=103.86
/proc/23274/stat : 23274 (pbct) R 23272 23274 21382 0 -1 4202496 2792 0 0 0 9335 1051 0 0 25 0 1 0 16924586 12963840 2713 1992294400 134512640 136485738 4294379904 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23274/statm: 3165 2713 223 482 0 2681 0
Current children cumulated CPU time (s) 103.86
Current children cumulated vsize (KiB) 12660

[startup+104.302 s]
/proc/loadavg: 1.01 1.00 1.00 2/107 23280
/proc/meminfo: memFree=1816096/2059040 swapFree=4136640/4192956
[pid=23274] ppid=23272 vsize=12660 CPUtime=104.27
/proc/23274/stat : 23274 (pbct) R 23272 23274 21382 0 -1 4202496 2792 0 0 0 9372 1055 0 0 25 0 1 0 16924586 12963840 2713 1992294400 134512640 136485738 4294379904 18446744073709551615 134880629 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23274/statm: 3165 2713 223 482 0 2681 0
Current children cumulated CPU time (s) 104.27
Current children cumulated vsize (KiB) 12660

[startup+104.509 s]
/proc/loadavg: 1.01 1.00 1.00 2/107 23280
/proc/meminfo: memFree=1815972/2059040 swapFree=4136640/4192956
[pid=23274] ppid=23272 vsize=12660 CPUtime=104.48
/proc/23274/stat : 23274 (pbct) R 23272 23274 21382 0 -1 4202496 2792 0 0 0 9391 1057 0 0 25 0 1 0 16924586 12963840 2713 1992294400 134512640 136485738 4294379904 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23274/statm: 3165 2713 223 482 0 2681 0
Current children cumulated CPU time (s) 104.48
Current children cumulated vsize (KiB) 12660

[startup+104.602 s]
/proc/loadavg: 1.01 1.00 1.00 2/107 23280
/proc/meminfo: memFree=1815972/2059040 swapFree=4136640/4192956
[pid=23274] ppid=23272 vsize=12660 CPUtime=104.56
/proc/23274/stat : 23274 (pbct) R 23272 23274 21382 0 -1 4202496 2792 0 0 0 9398 1058 0 0 25 0 1 0 16924586 12963840 2713 1992294400 134512640 136485738 4294379904 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23274/statm: 3165 2713 223 482 0 2681 0
Current children cumulated CPU time (s) 104.56
Current children cumulated vsize (KiB) 12660

Child status: 0
Real time (s): 104.696
CPU time (s): 104.671
CPU user time (s): 94.0727
CPU system time (s): 10.5984
CPU usage (%): 99.9764
Max. virtual memory (cumulated for all children) (KiB): 12660

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 94.0727
system time used= 10.5984
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2816
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= 2
involuntary context switches= 264

runsolver used 0.180972 second user time and 0.497924 second system time

The end

Launcher Data 

Begin job on node026 at 2010-06-13 14:38:12
IDJOB=2668960
IDBENCH=1298
IDSOLVER=1170
FILE ID=node026/2668960-1276432692
PBS_JOBID= 11173300
Free space on /tmp= 62508 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/tsp/normalized-t3002.11tsp11.1900568186.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2668960-1276432692/watcher-2668960-1276432692 -o /tmp/evaluation-result-2668960-1276432692/solver-2668960-1276432692 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2668960-1276432692.opb

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

MD5SUM BENCH= 75bd0b27f5ff05dc207afe3c3d5552d1
RANDOM SEED=236772004

node026.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		: 3000.201
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	: 6000.40
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		: 3000.201
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	: 5599.46
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1827296 kB
Buffers:         30992 kB
Cached:         123560 kB
SwapCached:       9428 kB
Active:         101248 kB
Inactive:        65748 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1827296 kB
SwapTotal:     4192956 kB
SwapFree:      4136640 kB
Dirty:            2172 kB
Writeback:           8 kB
AnonPages:       10900 kB
Mapped:           9244 kB
Slab:            42988 kB
PageTables:       4116 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181424 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= 62508 MiB
End job on node026 at 2010-06-13 14:39:57