Trace number 2685377

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 2.12368 2.12451

General information on the benchmark

Name/DEC-SMALLINT-LIN/oliveras/j60/
normalized-j6033_2-unsat.opb
MD5SUM899af7013bffd830ee31db3c8b2bc82e
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 benchmark0.173973
Has Objective FunctionNO
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables12200
Total number of constraints42056
Number of constraints which are clauses41660
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints396
Minimum length of a constraint1
Maximum length of a constraint18
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 13
Number of bits of the biggest number in a constraint 4
Biggest sum of numbers in a constraint 116
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
0.39/0.41	c constraints 396/0 clauses 41228/0 units 248
0.39/0.41	c vars 12200
1.49/1.56	c 1.42178 124.746 0 0
2.10/2.11	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-2685377-1278440638/watcher-2685377-1278440638 -o /tmp/evaluation-result-2685377-1278440638/solver-2685377-1278440638 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2685377-1278440638.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: 1.29 1.22 1.38 2/105 23041
/proc/meminfo: memFree=1806584/2059040 swapFree=4192956/4192956
[pid=23041] ppid=23039 vsize=2208 CPUtime=0
/proc/23041/stat : 23041 (pbct) R 23039 23041 22003 0 -1 4202496 257 0 0 0 0 0 0 0 22 0 1 0 12272052 2260992 180 1992294400 134512640 136485738 4290374608 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/23041/statm: 552 180 157 482 0 68 0

[startup+0.095466 s]
/proc/loadavg: 1.29 1.22 1.38 2/105 23041
/proc/meminfo: memFree=1806584/2059040 swapFree=4192956/4192956
[pid=23041] ppid=23039 vsize=2604 CPUtime=0.09
/proc/23041/stat : 23041 (pbct) R 23039 23041 22003 0 -1 4202496 348 0 0 0 9 0 0 0 22 0 1 0 12272052 2666496 271 1992294400 134512640 136485738 4290374608 18446744073709551615 135857105 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/23041/statm: 651 271 157 482 0 167 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2604

[startup+0.100465 s]
/proc/loadavg: 1.29 1.22 1.38 2/105 23041
/proc/meminfo: memFree=1806584/2059040 swapFree=4192956/4192956
[pid=23041] ppid=23039 vsize=2604 CPUtime=0.09
/proc/23041/stat : 23041 (pbct) R 23039 23041 22003 0 -1 4202496 353 0 0 0 9 0 0 0 22 0 1 0 12272052 2666496 276 1992294400 134512640 136485738 4290374608 18446744073709551615 135857163 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/23041/statm: 651 276 157 482 0 167 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2604

[startup+0.300488 s]
/proc/loadavg: 1.29 1.22 1.38 2/105 23041
/proc/meminfo: memFree=1806584/2059040 swapFree=4192956/4192956
[pid=23041] ppid=23039 vsize=3264 CPUtime=0.29
/proc/23041/stat : 23041 (pbct) R 23039 23041 22003 0 -1 4202496 540 0 0 0 29 0 0 0 22 0 1 0 12272052 3342336 463 1992294400 134512640 136485738 4290374608 18446744073709551615 134538120 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/23041/statm: 816 463 157 482 0 332 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3264

[startup+0.700532 s]
/proc/loadavg: 1.29 1.22 1.38 2/105 23041
/proc/meminfo: memFree=1806584/2059040 swapFree=4192956/4192956
[pid=23041] ppid=23039 vsize=38292 CPUtime=0.69
/proc/23041/stat : 23041 (pbct) R 23039 23041 22003 0 -1 4202496 9543 0 0 0 64 5 0 0 24 0 1 0 12272052 39211008 8948 1992294400 134512640 136485738 4290374608 18446744073709551615 134724796 0 0 4096 16387 0 0 0 17 0 0 0 0
/proc/23041/statm: 9573 8949 191 482 0 9089 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 38292

[startup+1.50062 s]
/proc/loadavg: 1.29 1.22 1.38 2/106 23042
/proc/meminfo: memFree=1743584/2059040 swapFree=4192956/4192956
[pid=23041] ppid=23039 vsize=126364 CPUtime=1.49
/proc/23041/stat : 23041 (pbct) R 23039 23041 22003 0 -1 4202496 32721 0 0 0 136 13 0 0 25 0 1 0 12272052 129396736 30399 1992294400 134512640 136485738 4290374608 18446744073709551615 135848250 0 0 4096 16387 0 0 0 17 0 0 0 0
/proc/23041/statm: 31591 30399 208 482 0 31107 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 126364

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

[startup+1.90066 s]
/proc/loadavg: 1.29 1.22 1.38 2/106 23042
/proc/meminfo: memFree=1743584/2059040 swapFree=4192956/4192956
[pid=23041] ppid=23039 vsize=118208 CPUtime=1.89
/proc/23041/stat : 23041 (pbct) R 23039 23041 22003 0 -1 4202496 32995 0 0 0 175 14 0 0 25 0 1 0 12272052 121044992 28550 1992294400 134512640 136485738 4290374608 18446744073709551615 135839940 0 0 4096 16387 0 0 0 17 0 0 0 0
/proc/23041/statm: 29552 28550 230 482 0 29068 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 118208

[startup+2.10069 s]
/proc/loadavg: 1.29 1.22 1.38 2/106 23042
/proc/meminfo: memFree=1696588/2059040 swapFree=4192956/4192956
[pid=23041] ppid=23039 vsize=111148 CPUtime=2.1
/proc/23041/stat : 23041 (pbct) R 23039 23041 22003 0 -1 4202496 32996 0 0 0 196 14 0 0 25 0 1 0 12272052 113815552 27472 1992294400 134512640 136485738 4290374608 18446744073709551615 135839940 0 0 4096 16387 0 0 0 17 0 0 0 0
/proc/23041/statm: 27787 27472 231 482 0 27303 0
Current children cumulated CPU time (s) 2.1
Current children cumulated vsize (KiB) 111148

Child status: 0
Real time (s): 2.12451
CPU time (s): 2.12368
CPU user time (s): 1.9687
CPU system time (s): 0.154976
CPU usage (%): 99.9607
Max. virtual memory (cumulated for all children) (KiB): 126364

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.9687
system time used= 0.154976
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 32998
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= 4

runsolver used 0.006998 second user time and 0.019996 second system time

The end

Launcher Data 

Begin job on node087 at 2010-07-06 20:23:58
IDJOB=2685377
IDBENCH=75654
IDSOLVER=1170
FILE ID=node087/2685377-1278440638
PBS_JOBID= 11233438
Free space on /tmp= 62512 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB10/normalized-PB10/DEC-SMALLINT-LIN/oliveras/j60/normalized-j6033_2-unsat.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2685377-1278440638/watcher-2685377-1278440638 -o /tmp/evaluation-result-2685377-1278440638/solver-2685377-1278440638 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2685377-1278440638.opb

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

MD5SUM BENCH= 899af7013bffd830ee31db3c8b2bc82e
RANDOM SEED=1189135540

node087.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	: 5999.50
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1807104 kB
Buffers:          6292 kB
Cached:         110488 kB
SwapCached:          0 kB
Active:          85868 kB
Inactive:        91632 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1807104 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            4176 kB
Writeback:           0 kB
AnonPages:       60680 kB
Mapped:          14676 kB
Slab:            52616 kB
PageTables:       4116 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182084 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 node087 at 2010-07-06 20:24:00