Trace number 2683122

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 fixed? (MO) 25.8751 25.8821

General information on the benchmark

Name/OPT-BIGINT-LIN/aries-da_nrp/
normalized-aries-da_network_2000_5__647_1792__16.opb
MD5SUM748001271bf6a9e9313b2355230b431b
Bench CategoryOPT-BIGINT-LIN (optimisation, big integers, linear constraints)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark204508
Best CPU time to get the best result obtained on this benchmark1800.69
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables161998
Total number of constraints12000
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)10002
Number of constraints which are nor clauses,nor cardinality constraints1998
Minimum length of a constraint16
Maximum length of a constraint705
Number of terms in the objective function 160000
Biggest coefficient in the objective function 130539
Number of bits for the biggest coefficient in the objective function 17
Sum of the numbers in the objective function 5544399696
Number of bits of the sum of numbers in the objective function 33
Biggest number in a constraint 130539
Number of bits of the biggest number in a constraint 17
Biggest sum of numbers in a constraint 5544399696
Number of bits of the biggest sum of numbers33
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 0.1.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
1.89/1.95	c constraints 12000/0 clauses 0/0 units 0
1.89/1.95	c vars 161998
1.89/1.96	c objective 160000 + 0
25.69/25.70	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-2683122-1277507093/watcher-2683122-1277507093 -o /tmp/evaluation-result-2683122-1277507093/solver-2683122-1277507093 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2683122-1277507093.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: 2.51 2.32 1.64 3/106 29788
/proc/meminfo: memFree=1973480/2059040 swapFree=4135592/4192956
[pid=29788] ppid=29786 vsize=2416 CPUtime=0
/proc/29788/stat : 29788 (pbct) R 29786 29788 29542 0 -1 4202496 294 0 0 0 0 0 0 0 19 0 1 0 92000032 2473984 213 1992294400 134512640 136421960 4289648736 18446744073709551615 135160329 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29788/statm: 604 213 135 467 0 135 0

[startup+0.012034 s]
/proc/loadavg: 2.51 2.32 1.64 3/106 29788
/proc/meminfo: memFree=1973480/2059040 swapFree=4135592/4192956
[pid=29788] ppid=29786 vsize=2680 CPUtime=0.01
/proc/29788/stat : 29788 (pbct) R 29786 29788 29542 0 -1 4202496 341 0 0 0 1 0 0 0 19 0 1 0 92000032 2744320 260 1992294400 134512640 136421960 4289648736 18446744073709551615 135801367 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29788/statm: 670 260 135 467 0 201 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 2680

[startup+0.101043 s]
/proc/loadavg: 2.51 2.32 1.64 3/106 29788
/proc/meminfo: memFree=1973480/2059040 swapFree=4135592/4192956
[pid=29788] ppid=29786 vsize=5864 CPUtime=0.09
/proc/29788/stat : 29788 (pbct) R 29786 29788 29542 0 -1 4202496 1329 0 0 0 9 0 0 0 19 0 1 0 92000032 6004736 875 1992294400 134512640 136421960 4289648736 18446744073709551615 135527007 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29788/statm: 1466 875 135 467 0 997 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5864

[startup+0.301065 s]
/proc/loadavg: 2.51 2.32 1.64 3/106 29788
/proc/meminfo: memFree=1973480/2059040 swapFree=4135592/4192956
[pid=29788] ppid=29786 vsize=10152 CPUtime=0.29
/proc/29788/stat : 29788 (pbct) R 29786 29788 29542 0 -1 4202496 3027 0 0 0 29 0 0 0 19 0 1 0 92000032 10395648 2123 1992294400 134512640 136421960 4289648736 18446744073709551615 135153499 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29788/statm: 2538 2123 135 467 0 2069 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10152

[startup+0.701109 s]
/proc/loadavg: 2.51 2.32 1.64 3/106 29788
/proc/meminfo: memFree=1973480/2059040 swapFree=4135592/4192956
[pid=29788] ppid=29786 vsize=18752 CPUtime=0.69
/proc/29788/stat : 29788 (pbct) R 29786 29788 29542 0 -1 4202496 5462 0 0 0 68 1 0 0 19 0 1 0 92000032 19202048 3531 1992294400 134512640 136421960 4289648736 18446744073709551615 135159036 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29788/statm: 4688 3531 141 467 0 4219 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 18752

[startup+1.5012 s]
/proc/loadavg: 2.51 2.32 1.64 2/107 29789
/proc/meminfo: memFree=1951896/2059040 swapFree=4135592/4192956
[pid=29788] ppid=29786 vsize=40412 CPUtime=1.49
/proc/29788/stat : 29788 (pbct) R 29786 29788 29542 0 -1 4202496 10882 0 0 0 145 4 0 0 21 0 1 0 92000032 41381888 8951 1992294400 134512640 136421960 4289648736 18446744073709551615 135158989 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29788/statm: 10103 8951 141 467 0 9634 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 40412

[startup+3.10038 s]
/proc/loadavg: 2.51 2.32 1.64 2/107 29789
/proc/meminfo: memFree=1913208/2059040 swapFree=4135592/4192956
[pid=29788] ppid=29786 vsize=139904 CPUtime=3.09
/proc/29788/stat : 29788 (pbct) R 29786 29788 29542 0 -1 4202496 36037 0 0 0 294 15 0 0 25 0 1 0 92000032 143261696 33462 1992294400 134512640 136421960 4289648736 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29788/statm: 34976 33463 193 467 0 34507 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 139904

[startup+6.30073 s]
/proc/loadavg: 2.39 2.30 1.63 2/107 29789
/proc/meminfo: memFree=1680088/2059040 swapFree=4135592/4192956
[pid=29788] ppid=29786 vsize=368896 CPUtime=6.29
/proc/29788/stat : 29788 (pbct) R 29786 29788 29542 0 -1 4202496 96315 0 0 0 586 43 0 0 25 0 1 0 92000032 377749504 89314 1992294400 134512640 136421960 4289648736 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29788/statm: 92224 89315 193 467 0 91755 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 368896

[startup+12.7004 s]
/proc/loadavg: 2.28 2.28 1.63 2/107 29789
/proc/meminfo: memFree=1235300/2059040 swapFree=4135592/4192956
[pid=29788] ppid=29786 vsize=797524 CPUtime=12.69
/proc/29788/stat : 29788 (pbct) R 29786 29788 29542 0 -1 4202496 210005 0 0 0 1179 90 0 0 25 0 1 0 92000032 816664576 196285 1992294400 134512640 136421960 4289648736 18446744073709551615 134632331 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29788/statm: 199381 196285 193 467 0 198912 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 797524

[startup+25.5009 s]
/proc/loadavg: 2.00 2.22 1.62 2/107 29791
/proc/meminfo: memFree=238836/2059040 swapFree=4135592/4192956
[pid=29788] ppid=29786 vsize=1829696 CPUtime=25.48
/proc/29788/stat : 29788 (pbct) R 29786 29788 29542 0 -1 4202496 486271 0 0 0 2337 211 0 0 25 0 1 0 92000032 1873608704 440164 1992294400 134512640 136421960 4289648736 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29788/statm: 457424 440164 193 467 0 456955 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 1829696



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+25.7009 s]
/proc/loadavg: 2.00 2.22 1.62 2/107 29791
/proc/meminfo: memFree=191220/2059040 swapFree=4135592/4192956
[pid=29788] ppid=29786 vsize=1848440 CPUtime=25.69
/proc/29788/stat : 29788 (pbct) R 29786 29788 29542 0 -1 4202496 491190 0 0 0 2355 214 0 0 25 0 1 0 92000032 1892802560 445083 1992294400 134512640 136421960 4289648736 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29788/statm: 462110 445084 193 467 0 461641 0
Current children cumulated CPU time (s) 25.69
Current children cumulated vsize (KiB) 1848440

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

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

[startup+25.8089 s]
/proc/loadavg: 2.00 2.22 1.62 2/107 29791
/proc/meminfo: memFree=191220/2059040 swapFree=4135592/4192956
[pid=29788] ppid=29786 vsize=0 CPUtime=25.79
/proc/29788/stat : 29788 (pbct) R 29786 29788 29542 0 -1 4194308 491199 0 0 0 2355 224 0 0 25 0 1 0 92000032 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/29788/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 25.79
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 25.8821
CPU time (s): 25.8751
CPU user time (s): 23.5584
CPU system time (s): 2.31665
CPU usage (%): 99.9726
Max. virtual memory (cumulated for all children) (KiB): 1848440

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 23.5584
system time used= 2.31665
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 491199
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= 292

runsolver used 0.052991 second user time and 0.13098 second system time

The end

Launcher Data 

Begin job on node059 at 2010-06-26 01:04:53
IDJOB=2683122
IDBENCH=71896
IDSOLVER=1192
FILE ID=node059/2683122-1277507093
PBS_JOBID= 11190600
Free space on /tmp= 62428 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB09/normalized-PB09/OPT-BIGINT-LIN/aries-da_nrp/normalized-aries-da_network_2000_5__647_1792__16.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2683122-1277507093/watcher-2683122-1277507093 -o /tmp/evaluation-result-2683122-1277507093/solver-2683122-1277507093 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2683122-1277507093.opb

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

MD5SUM BENCH= 748001271bf6a9e9313b2355230b431b
RANDOM SEED=110843507

node059.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		: 3000.244
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	: 6000.48
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		: 3000.244
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:       1974188 kB
Buffers:          2440 kB
Cached:          22720 kB
SwapCached:       5916 kB
Active:          18392 kB
Inactive:        15328 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1974188 kB
SwapTotal:     4192956 kB
SwapFree:      4135592 kB
Dirty:            9212 kB
Writeback:           0 kB
AnonPages:        8220 kB
Mapped:           6148 kB
Slab:            29244 kB
PageTables:       4184 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182484 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= 62424 MiB
End job on node059 at 2010-06-26 01:05:21