Trace number 2669073

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 28.2197 28.2262

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga40_38_sat_pb.cnf.cr.opb
MD5SUM3df4b6f92f1f3083d4934635de2b04ef
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 benchmark0.040992
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables2280
Total number of constraints1636
Number of constraints which are clauses1558
Number of constraints which are cardinality constraints (but not clauses)78
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 PB/CT 0.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.09/0.10	c constraints 78/0 clauses 1558/0 units 0
0.09/0.10	c vars 2280
28.08/28.13	c 24.6453 39.8398 9297 424035
28.08/28.13	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-2669073-1276433808/watcher-2669073-1276433808 -o /tmp/evaluation-result-2669073-1276433808/solver-2669073-1276433808 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2669073-1276433808.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: 0.91 0.95 0.98 4/106 24770
/proc/meminfo: memFree=1824196/2059040 swapFree=4140112/4192956
[pid=24770] ppid=24768 vsize=2208 CPUtime=0
/proc/24770/stat : 24770 (pbct) R 24768 24770 24181 0 -1 4202496 253 0 0 0 0 0 0 0 20 0 1 0 18984489 2260992 176 1992294400 134512640 136485738 4288299472 18446744073709551615 134519160 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/24770/statm: 552 176 156 482 0 68 0

[startup+0.0664041 s]
/proc/loadavg: 0.91 0.95 0.98 4/106 24770
/proc/meminfo: memFree=1824196/2059040 swapFree=4140112/4192956
[pid=24770] ppid=24768 vsize=2340 CPUtime=0.06
/proc/24770/stat : 24770 (pbct) R 24768 24770 24181 0 -1 4202496 281 0 0 0 6 0 0 0 20 0 1 0 18984489 2396160 204 1992294400 134512640 136485738 4288299472 18446744073709551615 134541022 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/24770/statm: 585 204 156 482 0 101 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 2340

[startup+0.100408 s]
/proc/loadavg: 0.91 0.95 0.98 4/106 24770
/proc/meminfo: memFree=1824196/2059040 swapFree=4140112/4192956
[pid=24770] ppid=24768 vsize=2472 CPUtime=0.09
/proc/24770/stat : 24770 (pbct) R 24768 24770 24181 0 -1 4202496 330 0 0 0 9 0 0 0 20 0 1 0 18984489 2531328 253 1992294400 134512640 136485738 4288299472 18446744073709551615 135850401 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/24770/statm: 618 253 156 482 0 134 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2472

[startup+0.300431 s]
/proc/loadavg: 0.91 0.95 0.98 4/106 24770
/proc/meminfo: memFree=1824196/2059040 swapFree=4140112/4192956
[pid=24770] ppid=24768 vsize=20920 CPUtime=0.29
/proc/24770/stat : 24770 (pbct) R 24768 24770 24181 0 -1 4202496 4876 0 0 0 28 1 0 0 20 0 1 0 18984489 21422080 4734 1992294400 134512640 136485738 4288299472 18446744073709551615 134719505 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24770/statm: 5230 4734 208 482 0 4746 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 20920

[startup+0.700477 s]
/proc/loadavg: 0.91 0.95 0.98 4/106 24770
/proc/meminfo: memFree=1824196/2059040 swapFree=4140112/4192956
[pid=24770] ppid=24768 vsize=23152 CPUtime=0.69
/proc/24770/stat : 24770 (pbct) R 24768 24770 24181 0 -1 4202496 5459 0 0 0 59 10 0 0 20 0 1 0 18984489 23707648 5317 1992294400 134512640 136485738 4288299472 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24770/statm: 5788 5317 224 482 0 5304 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 23152

[startup+1.50057 s]
/proc/loadavg: 0.91 0.95 0.98 2/107 24771
/proc/meminfo: memFree=1802240/2059040 swapFree=4140112/4192956
[pid=24770] ppid=24768 vsize=25528 CPUtime=1.49
/proc/24770/stat : 24770 (pbct) R 24768 24770 24181 0 -1 4202496 6040 0 0 0 125 24 0 0 22 0 1 0 18984489 26140672 5898 1992294400 134512640 136485738 4288299472 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24770/statm: 6382 5898 224 482 0 5898 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 25528

[startup+3.10075 s]
/proc/loadavg: 0.91 0.95 0.98 2/107 24771
/proc/meminfo: memFree=1799636/2059040 swapFree=4140112/4192956
[pid=24770] ppid=24768 vsize=27656 CPUtime=3.09
/proc/24770/stat : 24770 (pbct) R 24768 24770 24181 0 -1 4202496 6591 0 0 0 259 50 0 0 25 0 1 0 18984489 28319744 6449 1992294400 134512640 136485738 4288299472 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24770/statm: 6914 6449 224 482 0 6430 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 27656

[startup+6.30112 s]
/proc/loadavg: 0.92 0.95 0.98 2/107 24771
/proc/meminfo: memFree=1797280/2059040 swapFree=4140112/4192956
[pid=24770] ppid=24768 vsize=29108 CPUtime=6.29
/proc/24770/stat : 24770 (pbct) R 24768 24770 24181 0 -1 4202496 6966 0 0 0 529 100 0 0 25 0 1 0 18984489 29806592 6824 1992294400 134512640 136485738 4288299472 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24770/statm: 7277 6824 224 482 0 6793 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 29108

[startup+12.7009 s]
/proc/loadavg: 0.93 0.95 0.98 2/107 24773
/proc/meminfo: memFree=1792320/2059040 swapFree=4140112/4192956
[pid=24770] ppid=24768 vsize=33996 CPUtime=12.69
/proc/24770/stat : 24770 (pbct) R 24768 24770 24181 0 -1 4202496 8166 0 0 0 1088 181 0 0 25 0 1 0 18984489 34811904 8024 1992294400 134512640 136485738 4288299472 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24770/statm: 8499 8024 224 482 0 8015 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 33996

[startup+25.5003 s]
/proc/loadavg: 0.94 0.96 0.98 2/107 24773
/proc/meminfo: memFree=1785624/2059040 swapFree=4140112/4192956
[pid=24770] ppid=24768 vsize=40792 CPUtime=25.48
/proc/24770/stat : 24770 (pbct) R 24768 24770 24181 0 -1 4202496 9871 0 0 0 2242 306 0 0 25 0 1 0 18984489 41771008 9729 1992294400 134512640 136485738 4288299472 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24770/statm: 10198 9729 224 482 0 9714 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 40792

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

[startup+27.1005 s]
/proc/loadavg: 0.94 0.96 0.98 2/107 24773
/proc/meminfo: memFree=1785624/2059040 swapFree=4140112/4192956
[pid=24770] ppid=24768 vsize=40792 CPUtime=27.09
/proc/24770/stat : 24770 (pbct) R 24768 24770 24181 0 -1 4202496 9871 0 0 0 2379 330 0 0 25 0 1 0 18984489 41771008 9729 1992294400 134512640 136485738 4288299472 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24770/statm: 10198 9729 224 482 0 9714 0
Current children cumulated CPU time (s) 27.09
Current children cumulated vsize (KiB) 40792

[startup+27.9006 s]
/proc/loadavg: 0.94 0.96 0.98 2/107 24773
/proc/meminfo: memFree=1785624/2059040 swapFree=4140112/4192956
[pid=24770] ppid=24768 vsize=40792 CPUtime=27.88
/proc/24770/stat : 24770 (pbct) R 24768 24770 24181 0 -1 4202496 9871 0 0 0 2445 343 0 0 25 0 1 0 18984489 41771008 9729 1992294400 134512640 136485738 4288299472 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24770/statm: 10198 9729 224 482 0 9714 0
Current children cumulated CPU time (s) 27.88
Current children cumulated vsize (KiB) 40792

[startup+28.1006 s]
/proc/loadavg: 0.94 0.96 0.98 2/107 24773
/proc/meminfo: memFree=1785624/2059040 swapFree=4140112/4192956
[pid=24770] ppid=24768 vsize=40792 CPUtime=28.08
/proc/24770/stat : 24770 (pbct) R 24768 24770 24181 0 -1 4202496 9871 0 0 0 2461 347 0 0 25 0 1 0 18984489 41771008 9729 1992294400 134512640 136485738 4288299472 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24770/statm: 10198 9729 224 482 0 9714 0
Current children cumulated CPU time (s) 28.08
Current children cumulated vsize (KiB) 40792

[startup+28.2007 s]
/proc/loadavg: 0.94 0.96 0.98 2/107 24773
/proc/meminfo: memFree=1785624/2059040 swapFree=4140112/4192956
[pid=24770] ppid=24768 vsize=39152 CPUtime=28.19
/proc/24770/stat : 24770 (pbct) R 24768 24770 24181 0 -1 4202496 9894 0 0 0 2471 348 0 0 25 0 1 0 18984489 40091648 9439 1992294400 134512640 136485738 4288299472 18446744073709551615 135856905 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24770/statm: 9788 9439 246 482 0 9304 0
Current children cumulated CPU time (s) 28.19
Current children cumulated vsize (KiB) 39152

Child status: 0
Real time (s): 28.2262
CPU time (s): 28.2197
CPU user time (s): 24.7332
CPU system time (s): 3.48647
CPU usage (%): 99.977
Max. virtual memory (cumulated for all children) (KiB): 40792

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 24.7332
system time used= 3.48647
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9895
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= 148

runsolver used 0.054991 second user time and 0.132979 second system time

The end

Launcher Data 

Begin job on node006 at 2010-06-13 14:56:48
IDJOB=2669073
IDBENCH=1419
IDSOLVER=1170
FILE ID=node006/2669073-1276433808
PBS_JOBID= 11173315
Free space on /tmp= 62472 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga40_38_sat_pb.cnf.cr.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2669073-1276433808/watcher-2669073-1276433808 -o /tmp/evaluation-result-2669073-1276433808/solver-2669073-1276433808 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2669073-1276433808.opb

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

MD5SUM BENCH= 3df4b6f92f1f3083d4934635de2b04ef
RANDOM SEED=484501297

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:       1824600 kB
Buffers:         28384 kB
Cached:         125476 kB
SwapCached:       6336 kB
Active:          31272 kB
Inactive:       136004 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1824600 kB
SwapTotal:     4192956 kB
SwapFree:      4140112 kB
Dirty:            2312 kB
Writeback:           0 kB
AnonPages:       11848 kB
Mapped:          13020 kB
Slab:            45396 kB
PageTables:       4012 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182740 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 14:57:17