Trace number 2685097

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 7.32689 7.32879

General information on the benchmark

Name/DEC-SMALLINT-LIN/oliveras/j120/
normalized-j12013_1-unsat.opb
MD5SUM4ae026821d0930247b1eee2eafe8a46e
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 benchmark0.480926
Has Objective FunctionNO
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables29282
Total number of constraints92908
Number of constraints which are clauses92428
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints480
Minimum length of a constraint1
Maximum length of a constraint93
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 32
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 554
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
1.00/1.06	c constraints 480/0 clauses 91712/0 units 419
1.00/1.06	c vars 29282
5.40/5.49	c 5.08823 373.449 0 0
7.29/7.31	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-2685097-1278439772/watcher-2685097-1278439772 -o /tmp/evaluation-result-2685097-1278439772/solver-2685097-1278439772 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2685097-1278439772.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: 0.93 0.98 0.99 3/106 19236
/proc/meminfo: memFree=1841880/2059040 swapFree=4192956/4192956
[pid=19236] ppid=19234 vsize=2208 CPUtime=0
/proc/19236/stat : 19236 (pbct) R 19234 19236 17871 0 -1 4202496 256 0 0 0 0 0 0 0 20 0 1 0 12189522 2260992 179 1992294400 134512640 136485738 4288457680 18446744073709551615 135332318 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/19236/statm: 552 179 157 482 0 68 0

[startup+0.083767 s]
/proc/loadavg: 0.93 0.98 0.99 3/106 19236
/proc/meminfo: memFree=1841880/2059040 swapFree=4192956/4192956
[pid=19236] ppid=19234 vsize=2472 CPUtime=0.08
/proc/19236/stat : 19236 (pbct) R 19234 19236 17871 0 -1 4202496 331 0 0 0 8 0 0 0 20 0 1 0 12189522 2531328 254 1992294400 134512640 136485738 4288457680 18446744073709551615 135416620 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/19236/statm: 618 254 157 482 0 134 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 2472

[startup+0.101767 s]
/proc/loadavg: 0.93 0.98 0.99 3/106 19236
/proc/meminfo: memFree=1841880/2059040 swapFree=4192956/4192956
[pid=19236] ppid=19234 vsize=2604 CPUtime=0.1
/proc/19236/stat : 19236 (pbct) R 19234 19236 17871 0 -1 4202496 346 0 0 0 10 0 0 0 20 0 1 0 12189522 2666496 269 1992294400 134512640 136485738 4288457680 18446744073709551615 134519407 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/19236/statm: 651 269 157 482 0 167 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2604

[startup+0.301787 s]
/proc/loadavg: 0.93 0.98 0.99 3/106 19236
/proc/meminfo: memFree=1841880/2059040 swapFree=4192956/4192956
[pid=19236] ppid=19234 vsize=3264 CPUtime=0.3
/proc/19236/stat : 19236 (pbct) R 19234 19236 17871 0 -1 4202496 540 0 0 0 30 0 0 0 20 0 1 0 12189522 3342336 463 1992294400 134512640 136485738 4288457680 18446744073709551615 135848185 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/19236/statm: 816 463 157 482 0 332 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 3264

[startup+0.701824 s]
/proc/loadavg: 0.93 0.98 0.99 3/106 19236
/proc/meminfo: memFree=1841880/2059040 swapFree=4192956/4192956
[pid=19236] ppid=19234 vsize=4968 CPUtime=0.69
/proc/19236/stat : 19236 (pbct) R 19234 19236 17871 0 -1 4202496 975 0 0 0 69 0 0 0 20 0 1 0 12189522 5087232 800 1992294400 134512640 136485738 4288457680 18446744073709551615 135857033 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/19236/statm: 1242 800 157 482 0 758 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4968

[startup+1.5019 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 19237
/proc/meminfo: memFree=1836788/2059040 swapFree=4192956/4192956
[pid=19236] ppid=19234 vsize=64504 CPUtime=1.49
/proc/19236/stat : 19236 (pbct) R 19234 19236 17871 0 -1 4202496 15811 0 0 0 143 6 0 0 22 0 1 0 12189522 66052096 15557 1992294400 134512640 136485738 4288457680 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/19236/statm: 16126 15557 191 482 0 15642 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 64504

[startup+3.10106 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 19237
/proc/meminfo: memFree=1726056/2059040 swapFree=4192956/4192956
[pid=19236] ppid=19234 vsize=181716 CPUtime=3.09
/proc/19236/stat : 19236 (pbct) R 19234 19236 17871 0 -1 4202496 47732 0 0 0 289 20 0 0 25 0 1 0 12189522 186077184 44087 1992294400 134512640 136485738 4288457680 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/19236/statm: 45429 44088 196 482 0 44945 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 181716

[startup+6.30136 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 19237
/proc/meminfo: memFree=1474584/2059040 swapFree=4192956/4192956
[pid=19236] ppid=19234 vsize=358180 CPUtime=6.29
/proc/19236/stat : 19236 (pbct) R 19234 19236 17871 0 -1 4202496 99920 0 0 0 589 40 0 0 25 0 1 0 12189522 366776320 87127 1992294400 134512640 136485738 4288457680 18446744073709551615 135839892 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/19236/statm: 89545 87127 230 482 0 89061 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 358180

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

[startup+7.10144 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 19237
/proc/meminfo: memFree=1492688/2059040 swapFree=4192956/4192956
[pid=19236] ppid=19234 vsize=352484 CPUtime=7.08
/proc/19236/stat : 19236 (pbct) R 19234 19236 17871 0 -1 4202496 99920 0 0 0 668 40 0 0 25 0 1 0 12189522 360943616 85866 1992294400 134512640 136485738 4288457680 18446744073709551615 135856849 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/19236/statm: 88121 85866 230 482 0 87637 0
Current children cumulated CPU time (s) 7.08
Current children cumulated vsize (KiB) 352484

[startup+7.30146 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 19237
/proc/meminfo: memFree=1492688/2059040 swapFree=4192956/4192956
[pid=19236] ppid=19234 vsize=330984 CPUtime=7.29
/proc/19236/stat : 19236 (pbct) R 19234 19236 17871 0 -1 4202496 99921 0 0 0 687 42 0 0 25 0 1 0 12189522 338927616 45254 1992294400 134512640 136485738 4288457680 18446744073709551615 136086046 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/19236/statm: 82746 44742 231 482 0 82262 0
Current children cumulated CPU time (s) 7.29
Current children cumulated vsize (KiB) 330984

Child status: 0
Real time (s): 7.32879
CPU time (s): 7.32689
CPU user time (s): 6.87995
CPU system time (s): 0.446932
CPU usage (%): 99.974
Max. virtual memory (cumulated for all children) (KiB): 382408

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.87995
system time used= 0.446932
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 99923
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= 9

runsolver used 0.011998 second user time and 0.041993 second system time

The end

Launcher Data 

Begin job on node018 at 2010-07-06 20:09:33
IDJOB=2685097
IDBENCH=74540
IDSOLVER=1170
FILE ID=node018/2685097-1278439772
PBS_JOBID= 11233454
Free space on /tmp= 62516 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB10/normalized-PB10/DEC-SMALLINT-LIN/oliveras/j120/normalized-j12013_1-unsat.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2685097-1278439772/watcher-2685097-1278439772 -o /tmp/evaluation-result-2685097-1278439772/solver-2685097-1278439772 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2685097-1278439772.opb

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

MD5SUM BENCH= 4ae026821d0930247b1eee2eafe8a46e
RANDOM SEED=2124615964

node018.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		: 3000.248
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	: 6000.49
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		: 3000.248
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	: 5599.53
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1842408 kB
Buffers:          6640 kB
Cached:          76476 kB
SwapCached:          0 kB
Active:          52636 kB
Inactive:        91064 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1842408 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            4872 kB
Writeback:           0 kB
AnonPages:       60528 kB
Mapped:          14500 kB
Slab:            51072 kB
PageTables:       4276 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181036 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= 62516 MiB
End job on node018 at 2010-07-06 20:09:40