Trace number 2684719

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 31.4632 31.4711

General information on the benchmark

Name/DEC-SMALLINT-LIN/oliveras/j30/
normalized-j3029_8-unsat.opb
MD5SUM4beea9548a8b05c336cb9a5dcff42191
Bench CategoryDEC-SMALLINT-LIN (no optimisation, small integers, linear constraints)
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 benchmark5.48317
Has Objective FunctionNO
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables4960
Total number of constraints16157
Number of constraints which are clauses15841
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints316
Minimum length of a constraint1
Maximum length of a constraint30
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 19
Number of bits of the biggest number in a constraint 5
Biggest sum of numbers in a constraint 201
Number of bits of the biggest sum of numbers8
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
0.10/0.18	c constraints 316/0 clauses 15645/0 units 120
0.10/0.18	c vars 4960
31.08/31.12	c 30.5794 78.9961 2159 20631
31.38/31.46	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-2684719-1278432615/watcher-2684719-1278432615 -o /tmp/evaluation-result-2684719-1278432615/solver-2684719-1278432615 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2684719-1278432615.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: 0.70 0.20 0.06 3/106 20256
/proc/meminfo: memFree=1424544/2059040 swapFree=4192956/4192956
[pid=20256] ppid=20254 vsize=2208 CPUtime=0
/proc/20256/stat : 20256 (pbct) R 20254 20256 19731 0 -1 4202496 259 0 0 0 0 0 0 0 20 0 1 0 11472135 2260992 181 1992294400 134512640 136485738 4292367984 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/20256/statm: 552 181 157 482 0 68 0

[startup+0.042551 s]
/proc/loadavg: 0.70 0.20 0.06 3/106 20256
/proc/meminfo: memFree=1424544/2059040 swapFree=4192956/4192956
[pid=20256] ppid=20254 vsize=2340 CPUtime=0.04
/proc/20256/stat : 20256 (pbct) R 20254 20256 19731 0 -1 4202496 294 0 0 0 4 0 0 0 20 0 1 0 11472135 2396160 216 1992294400 134512640 136485738 4292367984 18446744073709551615 135181778 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/20256/statm: 585 216 157 482 0 101 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 2340

[startup+0.101555 s]
/proc/loadavg: 0.70 0.20 0.06 3/106 20256
/proc/meminfo: memFree=1424544/2059040 swapFree=4192956/4192956
[pid=20256] ppid=20254 vsize=2604 CPUtime=0.1
/proc/20256/stat : 20256 (pbct) R 20254 20256 19731 0 -1 4202496 346 0 0 0 10 0 0 0 20 0 1 0 11472135 2666496 268 1992294400 134512640 136485738 4292367984 18446744073709551615 134538485 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/20256/statm: 651 268 157 482 0 167 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2604

[startup+0.301573 s]
/proc/loadavg: 0.70 0.20 0.06 3/106 20256
/proc/meminfo: memFree=1424544/2059040 swapFree=4192956/4192956
[pid=20256] ppid=20254 vsize=17420 CPUtime=0.29
/proc/20256/stat : 20256 (pbct) R 20254 20256 19731 0 -1 4202496 3976 0 0 0 28 1 0 0 20 0 1 0 11472135 17838080 3865 1992294400 134512640 136485738 4292367984 18446744073709551615 135839918 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/20256/statm: 4355 3865 191 482 0 3871 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 17420

[startup+0.701607 s]
/proc/loadavg: 0.70 0.20 0.06 3/106 20256
/proc/meminfo: memFree=1424544/2059040 swapFree=4192956/4192956
[pid=20256] ppid=20254 vsize=42496 CPUtime=0.7
/proc/20256/stat : 20256 (pbct) R 20254 20256 19731 0 -1 4202496 10795 0 0 0 66 4 0 0 21 0 1 0 11472135 43515904 10128 1992294400 134512640 136485738 4292367984 18446744073709551615 134741807 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/20256/statm: 10624 10129 196 482 0 10140 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 42496

[startup+1.50168 s]
/proc/loadavg: 0.72 0.21 0.07 2/107 20257
/proc/meminfo: memFree=1354104/2059040 swapFree=4192956/4192956
[pid=20256] ppid=20254 vsize=78644 CPUtime=1.49
/proc/20256/stat : 20256 (pbct) R 20254 20256 19731 0 -1 4202496 20076 0 0 0 142 7 0 0 22 0 1 0 11472135 80531456 18497 1992294400 134512640 136485738 4292367984 18446744073709551615 135024568 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/20256/statm: 19661 18497 223 482 0 19177 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 78644

[startup+3.10181 s]
/proc/loadavg: 0.72 0.21 0.07 2/107 20257
/proc/meminfo: memFree=1350756/2059040 swapFree=4192956/4192956
[pid=20256] ppid=20254 vsize=78776 CPUtime=3.09
/proc/20256/stat : 20256 (pbct) R 20254 20256 19731 0 -1 4202496 20110 0 0 0 299 10 0 0 25 0 1 0 11472135 80666624 18531 1992294400 134512640 136485738 4292367984 18446744073709551615 135044875 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/20256/statm: 19694 18531 223 482 0 19210 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 78776

[startup+6.30109 s]
/proc/loadavg: 0.74 0.23 0.07 2/107 20257
/proc/meminfo: memFree=1350508/2059040 swapFree=4192956/4192956
[pid=20256] ppid=20254 vsize=79040 CPUtime=6.29
/proc/20256/stat : 20256 (pbct) R 20254 20256 19731 0 -1 4202496 20179 0 0 0 613 16 0 0 25 0 1 0 11472135 80936960 18600 1992294400 134512640 136485738 4292367984 18446744073709551615 135047199 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/20256/statm: 19760 18600 223 482 0 19276 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 79040

[startup+12.7016 s]
/proc/loadavg: 0.76 0.24 0.08 2/107 20257
/proc/meminfo: memFree=1349888/2059040 swapFree=4192956/4192956
[pid=20256] ppid=20254 vsize=79568 CPUtime=12.69
/proc/20256/stat : 20256 (pbct) R 20254 20256 19731 0 -1 4202496 20305 0 0 0 1244 25 0 0 25 0 1 0 11472135 81477632 18726 1992294400 134512640 136485738 4292367984 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/20256/statm: 19892 18726 223 482 0 19408 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 79568

[startup+25.5007 s]
/proc/loadavg: 0.81 0.28 0.09 2/107 20257
/proc/meminfo: memFree=1348896/2059040 swapFree=4192956/4192956
[pid=20256] ppid=20254 vsize=80624 CPUtime=25.49
/proc/20256/stat : 20256 (pbct) R 20254 20256 19731 0 -1 4202496 20562 0 0 0 2504 45 0 0 25 0 1 0 11472135 82558976 18983 1992294400 134512640 136485738 4292367984 18446744073709551615 135037627 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/20256/statm: 20156 18983 223 482 0 19672 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 80624

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

[startup+28.701 s]
/proc/loadavg: 0.81 0.28 0.09 2/107 20257
/proc/meminfo: memFree=1348648/2059040 swapFree=4192956/4192956
[pid=20256] ppid=20254 vsize=80756 CPUtime=28.69
/proc/20256/stat : 20256 (pbct) R 20254 20256 19731 0 -1 4202496 20615 0 0 0 2819 50 0 0 25 0 1 0 11472135 82694144 19036 1992294400 134512640 136485738 4292367984 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/20256/statm: 20189 19036 223 482 0 19705 0
Current children cumulated CPU time (s) 28.69
Current children cumulated vsize (KiB) 80756

[startup+30.3002 s]
/proc/loadavg: 0.81 0.28 0.09 2/107 20257
/proc/meminfo: memFree=1348648/2059040 swapFree=4192956/4192956
[pid=20256] ppid=20254 vsize=80888 CPUtime=30.28
/proc/20256/stat : 20256 (pbct) R 20254 20256 19731 0 -1 4202496 20619 0 0 0 2977 51 0 0 25 0 1 0 11472135 82829312 19040 1992294400 134512640 136485738 4292367984 18446744073709551615 134880510 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/20256/statm: 20222 19040 223 482 0 19738 0
Current children cumulated CPU time (s) 30.28
Current children cumulated vsize (KiB) 80888

[startup+31.1002 s]
/proc/loadavg: 0.83 0.29 0.10 2/107 20257
/proc/meminfo: memFree=1348648/2059040 swapFree=4192956/4192956
[pid=20256] ppid=20254 vsize=80888 CPUtime=31.08
/proc/20256/stat : 20256 (pbct) R 20254 20256 19731 0 -1 4202496 20619 0 0 0 3055 53 0 0 25 0 1 0 11472135 82829312 19040 1992294400 134512640 136485738 4292367984 18446744073709551615 134880510 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/20256/statm: 20222 19040 223 482 0 19738 0
Current children cumulated CPU time (s) 31.08
Current children cumulated vsize (KiB) 80888

[startup+31.3002 s]
/proc/loadavg: 0.83 0.29 0.10 2/107 20257
/proc/meminfo: memFree=1348648/2059040 swapFree=4192956/4192956
[pid=20256] ppid=20254 vsize=75320 CPUtime=31.28
/proc/20256/stat : 20256 (pbct) R 20254 20256 19731 0 -1 4202496 20642 0 0 0 3075 53 0 0 25 0 1 0 11472135 77127680 18071 1992294400 134512640 136485738 4292367984 18446744073709551615 135839986 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/20256/statm: 18830 18071 245 482 0 18346 0
Current children cumulated CPU time (s) 31.28
Current children cumulated vsize (KiB) 75320

[startup+31.4002 s]
/proc/loadavg: 0.83 0.29 0.10 2/107 20257
/proc/meminfo: memFree=1348648/2059040 swapFree=4192956/4192956
[pid=20256] ppid=20254 vsize=75320 CPUtime=31.38
/proc/20256/stat : 20256 (pbct) R 20254 20256 19731 0 -1 4202496 20642 0 0 0 3085 53 0 0 25 0 1 0 11472135 77127680 18071 1992294400 134512640 136485738 4292367984 18446744073709551615 134720130 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/20256/statm: 18830 18071 245 482 0 18346 0
Current children cumulated CPU time (s) 31.38
Current children cumulated vsize (KiB) 75320

Child status: 0
Real time (s): 31.4711
CPU time (s): 31.4632
CPU user time (s): 30.9173
CPU system time (s): 0.545917
CPU usage (%): 99.975
Max. virtual memory (cumulated for all children) (KiB): 80888

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 30.9173
system time used= 0.545917
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 20643
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= 114

runsolver used 0.044993 second user time and 0.162975 second system time

The end

Launcher Data 

Begin job on node031 at 2010-07-06 18:10:15
IDJOB=2684719
IDBENCH=73438
IDSOLVER=1170
FILE ID=node031/2684719-1278432615
PBS_JOBID= 11233447
Free space on /tmp= 62560 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB10/normalized-PB10/DEC-SMALLINT-LIN/oliveras/j30/normalized-j3029_8-unsat.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2684719-1278432615/watcher-2684719-1278432615 -o /tmp/evaluation-result-2684719-1278432615/solver-2684719-1278432615 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2684719-1278432615.opb

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

MD5SUM BENCH= 4beea9548a8b05c336cb9a5dcff42191
RANDOM SEED=181140512

node031.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		: 3000.220
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	: 6000.44
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		: 3000.220
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	: 5599.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1424948 kB
Buffers:        101220 kB
Cached:         394252 kB
SwapCached:          0 kB
Active:         192920 kB
Inactive:       362728 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1424948 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            2576 kB
Writeback:           0 kB
AnonPages:       60100 kB
Mapped:          14400 kB
Slab:            56360 kB
PageTables:       4112 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180508 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264964 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62556 MiB
End job on node031 at 2010-07-06 18:10:47