Trace number 2668822

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 0.1SAT 2.22366 2.2236

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
prestwich/robin/normalized-robin10.opb
MD5SUM93a881e30e7c33fefd66d9521eb49849
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 benchmark1.15482
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables2025
Total number of constraints410
Number of constraints which are clauses180
Number of constraints which are cardinality constraints (but not clauses)230
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint45
Maximum length of a constraint81
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 2
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 83
Number of bits of the biggest sum of numbers7
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
0.00/0.05	c constraints 230/0 clauses 180/0 units 0
0.00/0.05	c vars 2025
1.89/1.97	c 1.87372 54.5156 785 7329
1.89/1.97	s SATISFIABLE
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Verifier Data

OK	0

Watcher Data

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2668822-1276430969/watcher-2668822-1276430969 -o /tmp/evaluation-result-2668822-1276430969/solver-2668822-1276430969 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2668822-1276430969.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: 0.85 0.97 1.08 3/106 24206
/proc/meminfo: memFree=1678068/2059040 swapFree=4158992/4192956
[pid=24206] ppid=24204 vsize=2340 CPUtime=0
/proc/24206/stat : 24206 (pbct) R 24204 24206 24181 0 -1 4202496 284 0 0 0 0 0 0 0 17 0 1 0 18700569 2396160 206 1992294400 134512640 136485738 4291131488 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/24206/statm: 585 206 156 482 0 101 0

[startup+0.0749451 s]
/proc/loadavg: 0.85 0.97 1.08 3/106 24206
/proc/meminfo: memFree=1678068/2059040 swapFree=4158992/4192956
[pid=24206] ppid=24204 vsize=6680 CPUtime=0.07
/proc/24206/stat : 24206 (pbct) R 24204 24206 24181 0 -1 4202496 1365 0 0 0 7 0 0 0 17 0 1 0 18700569 6840320 1287 1992294400 134512640 136485738 4291131488 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24206/statm: 1670 1289 190 482 0 1186 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 6680

[startup+0.100947 s]
/proc/loadavg: 0.85 0.97 1.08 3/106 24206
/proc/meminfo: memFree=1678068/2059040 swapFree=4158992/4192956
[pid=24206] ppid=24204 vsize=9676 CPUtime=0.09
/proc/24206/stat : 24206 (pbct) R 24204 24206 24181 0 -1 4202496 2108 0 0 0 9 0 0 0 17 0 1 0 18700569 9908224 2030 1992294400 134512640 136485738 4291131488 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24206/statm: 2419 2031 196 482 0 1935 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9676

[startup+0.300971 s]
/proc/loadavg: 0.85 0.97 1.08 3/106 24206
/proc/meminfo: memFree=1678068/2059040 swapFree=4158992/4192956
[pid=24206] ppid=24204 vsize=22128 CPUtime=0.29
/proc/24206/stat : 24206 (pbct) R 24204 24206 24181 0 -1 4202496 5322 0 0 0 28 1 0 0 17 0 1 0 18700569 22659072 5096 1992294400 134512640 136485738 4291131488 18446744073709551615 135843987 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24206/statm: 5532 5097 196 482 0 5048 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 22128

[startup+0.701016 s]
/proc/loadavg: 0.85 0.97 1.08 3/106 24206
/proc/meminfo: memFree=1678068/2059040 swapFree=4158992/4192956
[pid=24206] ppid=24204 vsize=50792 CPUtime=0.69
/proc/24206/stat : 24206 (pbct) R 24204 24206 24181 0 -1 4202496 12881 0 0 0 65 4 0 0 17 0 1 0 18700569 52011008 11982 1992294400 134512640 136485738 4291131488 18446744073709551615 135844717 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24206/statm: 12698 11982 208 482 0 12214 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 50792

[startup+1.50111 s]
/proc/loadavg: 0.85 0.97 1.08 2/107 24207
/proc/meminfo: memFree=1626972/2059040 swapFree=4158992/4192956
[pid=24206] ppid=24204 vsize=55556 CPUtime=1.49
/proc/24206/stat : 24206 (pbct) R 24204 24206 24181 0 -1 4202496 14009 0 0 0 142 7 0 0 18 0 1 0 18700569 56889344 13110 1992294400 134512640 136485738 4291131488 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24206/statm: 13889 13110 224 482 0 13405 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 55556

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

[startup+1.90116 s]
/proc/loadavg: 0.85 0.97 1.08 2/107 24207
/proc/meminfo: memFree=1626972/2059040 swapFree=4158992/4192956
[pid=24206] ppid=24204 vsize=55820 CPUtime=1.89
/proc/24206/stat : 24206 (pbct) R 24204 24206 24181 0 -1 4202496 14078 0 0 0 180 9 0 0 19 0 1 0 18700569 57159680 13179 1992294400 134512640 136485738 4291131488 18446744073709551615 135025013 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24206/statm: 13955 13180 224 482 0 13471 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 55820

[startup+2.10118 s]
/proc/loadavg: 0.85 0.97 1.08 2/107 24207
/proc/meminfo: memFree=1628212/2059040 swapFree=4158992/4192956
[pid=24206] ppid=24204 vsize=52240 CPUtime=2.1
/proc/24206/stat : 24206 (pbct) R 24204 24206 24181 0 -1 4202496 14120 0 0 0 200 10 0 0 19 0 1 0 18700569 53493760 12479 1992294400 134512640 136485738 4291131488 18446744073709551615 134720163 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24206/statm: 13060 12479 246 482 0 12576 0
Current children cumulated CPU time (s) 2.1
Current children cumulated vsize (KiB) 52240

[startup+2.20919 s]
/proc/loadavg: 0.85 0.97 1.08 2/107 24207
/proc/meminfo: memFree=1628212/2059040 swapFree=4158992/4192956
[pid=24206] ppid=24204 vsize=49316 CPUtime=2.2
/proc/24206/stat : 24206 (pbct) R 24204 24206 24181 0 -1 4202496 14120 0 0 0 210 10 0 0 19 0 1 0 18700569 50499584 11982 1992294400 134512640 136485738 4291131488 18446744073709551615 135839796 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24206/statm: 12329 11982 246 482 0 11845 0
Current children cumulated CPU time (s) 2.2
Current children cumulated vsize (KiB) 49316

Child status: 0
Real time (s): 2.2236
CPU time (s): 2.22366
CPU user time (s): 2.11668
CPU system time (s): 0.106983
CPU usage (%): 100.003
Max. virtual memory (cumulated for all children) (KiB): 55820

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.11668
system time used= 0.106983
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 14121
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= 6

runsolver used 0.006998 second user time and 0.019996 second system time

The end

Launcher Data

Begin job on node006 at 2010-06-13 14:09:29
IDJOB=2668822
IDBENCH=1154
IDSOLVER=1170
FILE ID=node006/2668822-1276430969
PBS_JOBID= 11173315
Free space on /tmp= 62472 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/prestwich/robin/normalized-robin10.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2668822-1276430969/watcher-2668822-1276430969 -o /tmp/evaluation-result-2668822-1276430969/solver-2668822-1276430969 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2668822-1276430969.opb

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

MD5SUM BENCH= 93a881e30e7c33fefd66d9521eb49849
RANDOM SEED=1330768009

node006.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		: 3000.204
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		: 3000.204
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:       1678720 kB
Buffers:        118892 kB
Cached:         163972 kB
SwapCached:       2232 kB
Active:         133612 kB
Inactive:       177320 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1678720 kB
SwapTotal:     4192956 kB
SwapFree:      4158992 kB
Dirty:            2244 kB
Writeback:           0 kB
AnonPages:       25868 kB
Mapped:          13916 kB
Slab:            47660 kB
PageTables:       3972 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181796 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= 62472 MiB
End job on node006 at 2010-06-13 14:09:31