Trace number 2669518

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 NameAnswerobjective functionCPU timeWall clock time
PB/CT 0.1? (MO) 25.4841 25.4907

General information on the benchmark

Name/OPT-BIGINT-LIN/aries-da_nrp/
normalized-aries-da_network_50_2__8_45__1024.opb
MD5SUMdf0687fd8341299b755e35d2a87794ea
Bench CategoryOPT-BIGINT-LIN (optimisation, big integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark45008
Best CPU time to get the best result obtained on this benchmark38.4042
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables102448
Total number of constraints150
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)102
Number of constraints which are nor clauses,nor cardinality constraints48
Minimum length of a constraint1024
Maximum length of a constraint9217
Number of terms in the objective function 102400
Biggest coefficient in the objective function 126454
Number of bits for the biggest coefficient in the objective function 17
Sum of the numbers in the objective function 3437091840
Number of bits of the sum of numbers in the objective function 32
Biggest number in a constraint 126454
Number of bits of the biggest number in a constraint 17
Biggest sum of numbers in a constraint 3437091840
Number of bits of the biggest sum of numbers32
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
1.29/1.32	c constraints 150/0 clauses 0/0 units 0
1.29/1.32	c vars 102448
1.29/1.32	c objective 102400 + 0
25.30/25.31	s UNKNOWN

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-2669518-1276692194/watcher-2669518-1276692194 -o /tmp/evaluation-result-2669518-1276692194/solver-2669518-1276692194 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2669518-1276692194.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: 1.06 1.06 1.00 2/106 15889
/proc/meminfo: memFree=1857928/2059040 swapFree=4151640/4192956
[pid=15889] ppid=15887 vsize=2488 CPUtime=0
/proc/15889/stat : 15889 (pbct) R 15887 15889 15546 0 -1 4202496 305 0 0 0 0 0 0 0 25 0 1 0 10512262 2547712 227 1992294400 134512640 136485738 4294145856 18446744073709551615 135178825 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15889/statm: 622 227 149 482 0 138 0

[startup+0.06719 s]
/proc/loadavg: 1.06 1.06 1.00 2/106 15889
/proc/meminfo: memFree=1857928/2059040 swapFree=4151640/4192956
[pid=15889] ppid=15887 vsize=4080 CPUtime=0.06
/proc/15889/stat : 15889 (pbct) R 15887 15889 15546 0 -1 4202496 811 0 0 0 6 0 0 0 25 0 1 0 10512262 4177920 586 1992294400 134512640 136485738 4294145856 18446744073709551615 135411162 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15889/statm: 1020 586 149 482 0 536 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 4080

[startup+0.101193 s]
/proc/loadavg: 1.06 1.06 1.00 2/106 15889
/proc/meminfo: memFree=1857928/2059040 swapFree=4151640/4192956
[pid=15889] ppid=15887 vsize=5936 CPUtime=0.09
/proc/15889/stat : 15889 (pbct) R 15887 15889 15546 0 -1 4202496 1334 0 0 0 9 0 0 0 25 0 1 0 10512262 6078464 883 1992294400 134512640 136485738 4294145856 18446744073709551615 135419052 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15889/statm: 1484 883 149 482 0 1000 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5936

[startup+0.301215 s]
/proc/loadavg: 1.06 1.06 1.00 2/106 15889
/proc/meminfo: memFree=1857928/2059040 swapFree=4151640/4192956
[pid=15889] ppid=15887 vsize=9564 CPUtime=0.29
/proc/15889/stat : 15889 (pbct) R 15887 15889 15546 0 -1 4202496 2703 0 0 0 29 0 0 0 25 0 1 0 10512262 9793536 1802 1992294400 134512640 136485738 4294145856 18446744073709551615 134541022 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15889/statm: 2391 1802 151 482 0 1907 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9564

[startup+0.701258 s]
/proc/loadavg: 1.06 1.06 1.00 2/106 15889
/proc/meminfo: memFree=1857928/2059040 swapFree=4151640/4192956
[pid=15889] ppid=15887 vsize=17960 CPUtime=0.69
/proc/15889/stat : 15889 (pbct) R 15887 15889 15546 0 -1 4202496 4388 0 0 0 68 1 0 0 25 0 1 0 10512262 18391040 3487 1992294400 134512640 136485738 4294145856 18446744073709551615 135562693 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15889/statm: 4490 3488 153 482 0 4006 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 17960

[startup+1.50135 s]
/proc/loadavg: 1.06 1.06 1.00 2/107 15890
/proc/meminfo: memFree=1838204/2059040 swapFree=4151640/4192956
[pid=15889] ppid=15887 vsize=51692 CPUtime=1.49
/proc/15889/stat : 15889 (pbct) R 15887 15889 15546 0 -1 4202496 12274 0 0 0 144 5 0 0 25 0 1 0 10512262 52932608 11373 1992294400 134512640 136485738 4294145856 18446744073709551615 135840001 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15889/statm: 12923 11375 197 482 0 12439 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 51692

[startup+3.10152 s]
/proc/loadavg: 1.06 1.06 1.00 2/107 15890
/proc/meminfo: memFree=1761820/2059040 swapFree=4151640/4192956
[pid=15889] ppid=15887 vsize=171140 CPUtime=3.09
/proc/15889/stat : 15889 (pbct) R 15887 15889 15546 0 -1 4202496 43199 0 0 0 290 19 0 0 25 0 1 0 10512262 175247360 40434 1992294400 134512640 136485738 4294145856 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15889/statm: 42785 40435 197 482 0 42301 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 171140

[startup+6.30087 s]
/proc/loadavg: 1.06 1.06 1.00 2/107 15890
/proc/meminfo: memFree=1556104/2059040 swapFree=4151640/4192956
[pid=15889] ppid=15887 vsize=367508 CPUtime=6.29
/proc/15889/stat : 15889 (pbct) R 15887 15889 15546 0 -1 4202496 95081 0 0 0 588 41 0 0 25 0 1 0 10512262 376328192 89110 1992294400 134512640 136485738 4294145856 18446744073709551615 135681432 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15889/statm: 91877 89111 197 482 0 91393 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 367508

[startup+12.7016 s]
/proc/loadavg: 1.05 1.06 1.00 2/107 15890
/proc/meminfo: memFree=1187452/2059040 swapFree=4151640/4192956
[pid=15889] ppid=15887 vsize=731008 CPUtime=12.69
/proc/15889/stat : 15889 (pbct) R 15887 15889 15546 0 -1 4202496 192536 0 0 0 1188 81 0 0 25 0 1 0 10512262 748552192 180093 1992294400 134512640 136485738 4294145856 18446744073709551615 134651007 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15889/statm: 182752 180093 197 482 0 182268 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 731008



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+25.3079 s]
/proc/loadavg: 1.04 1.05 1.00 2/107 15892
/proc/meminfo: memFree=40700/2059040 swapFree=4151640/4192956
[pid=15889] ppid=15887 vsize=1859800 CPUtime=25.3
/proc/15889/stat : 15889 (pbct) R 15887 15889 15546 0 -1 4202496 491387 0 0 0 2333 197 0 0 25 0 1 0 10512262 1904435200 453518 1992294400 134512640 136485738 4294145856 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15889/statm: 464950 453519 210 482 0 464466 0
Current children cumulated CPU time (s) 25.3
Current children cumulated vsize (KiB) 1859800

Sending SIGTERM to process tree (bottom up)
Sleeping 2 seconds

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

[startup+25.409 s]
/proc/loadavg: 1.04 1.05 1.00 2/107 15892
/proc/meminfo: memFree=40700/2059040 swapFree=4151640/4192956
[pid=15889] ppid=15887 vsize=0 CPUtime=25.4
/proc/15889/stat : 15889 (pbct) R 15887 15889 15546 0 -1 4194308 491390 0 0 0 2333 207 0 0 25 0 1 0 10512262 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/15889/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 25.4
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 25.4907
CPU time (s): 25.4841
CPU user time (s): 23.3315
CPU system time (s): 2.15267
CPU usage (%): 99.9743
Max. virtual memory (cumulated for all children) (KiB): 1859800

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 23.3315
system time used= 2.15267
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 491390
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= 28

runsolver used 0.046992 second user time and 0.133979 second system time

The end

Launcher Data 

Begin job on node037 at 2010-06-16 14:43:14
IDJOB=2669518
IDBENCH=71886
IDSOLVER=1170
FILE ID=node037/2669518-1276692194
PBS_JOBID= 11172612
Free space on /tmp= 62580 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB09/normalized-PB09/OPT-BIGINT-LIN/aries-da_nrp/normalized-aries-da_network_50_2__8_45__1024.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2669518-1276692194/watcher-2669518-1276692194 -o /tmp/evaluation-result-2669518-1276692194/solver-2669518-1276692194 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2669518-1276692194.opb

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

MD5SUM BENCH= df0687fd8341299b755e35d2a87794ea
RANDOM SEED=1323347757

node037.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	: 5599.55
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1858456 kB
Buffers:          7804 kB
Cached:          96048 kB
SwapCached:       1420 kB
Active:          77060 kB
Inactive:        46536 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1858456 kB
SwapTotal:     4192956 kB
SwapFree:      4151640 kB
Dirty:            6356 kB
Writeback:           0 kB
AnonPages:       18284 kB
Mapped:          13568 kB
Slab:            55124 kB
PageTables:       4008 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181380 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= 62576 MiB
End job on node037 at 2010-06-16 14:43:42