Trace number 2669536

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) 33.6419 33.6797

General information on the benchmark

Name/OPT-BIGINT-LIN/aries-da_nrp/
normalized-aries-da_network_2000_5__647_1792__32.opb
MD5SUM88a1b10031770f0260ca582c16661bcb
Bench CategoryOPT-BIGINT-LIN (optimisation, big integers, linear constraints)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark121608
Best CPU time to get the best result obtained on this benchmark1800.96
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables321998
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 constraint32
Maximum length of a constraint1409
Number of terms in the objective function 320000
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 11088799392
Number of bits of the sum of numbers in the objective function 34
Biggest number in a constraint 130539
Number of bits of the biggest number in a constraint 17
Biggest sum of numbers in a constraint 11088799392
Number of bits of the biggest sum of numbers34
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
3.99/4.05	c constraints 12000/0 clauses 0/0 units 0
3.99/4.05	c vars 321998
3.99/4.06	c objective 320000 + 0
33.46/33.51	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-2669536-1276693216/watcher-2669536-1276693216 -o /tmp/evaluation-result-2669536-1276693216/solver-2669536-1276693216 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2669536-1276693216.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: 1.07 1.17 1.08 3/106 18052
/proc/meminfo: memFree=1812388/2059040 swapFree=4140372/4192956
[pid=18052] ppid=18050 vsize=2488 CPUtime=0
/proc/18052/stat : 18052 (pbct) R 18050 18052 17502 0 -1 4202496 305 0 0 0 0 0 0 0 20 0 1 0 10612675 2547712 227 1992294400 134512640 136485738 4291597120 18446744073709551615 135178844 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/18052/statm: 622 227 149 482 0 138 0

[startup+0.100855 s]
/proc/loadavg: 1.07 1.17 1.08 3/106 18052
/proc/meminfo: memFree=1812388/2059040 swapFree=4140372/4192956
[pid=18052] ppid=18050 vsize=5936 CPUtime=0.09
/proc/18052/stat : 18052 (pbct) R 18050 18052 17502 0 -1 4202496 1328 0 0 0 9 0 0 0 20 0 1 0 10612675 6078464 877 1992294400 134512640 136485738 4291597120 18446744073709551615 135332318 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/18052/statm: 1484 879 149 482 0 1000 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5936

[startup+0.201864 s]
/proc/loadavg: 1.07 1.17 1.08 3/106 18052
/proc/meminfo: memFree=1812388/2059040 swapFree=4140372/4192956
[pid=18052] ppid=18050 vsize=9564 CPUtime=0.19
/proc/18052/stat : 18052 (pbct) R 18050 18052 17502 0 -1 4202496 2492 0 0 0 19 0 0 0 20 0 1 0 10612675 9793536 1591 1992294400 134512640 136485738 4291597120 18446744073709551615 135418938 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/18052/statm: 2391 1591 149 482 0 1907 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 9564

[startup+0.301874 s]
/proc/loadavg: 1.07 1.17 1.08 3/106 18052
/proc/meminfo: memFree=1812388/2059040 swapFree=4140372/4192956
[pid=18052] ppid=18050 vsize=10092 CPUtime=0.29
/proc/18052/stat : 18052 (pbct) R 18050 18052 17502 0 -1 4202496 2969 0 0 0 29 0 0 0 20 0 1 0 10612675 10334208 2068 1992294400 134512640 136485738 4291597120 18446744073709551615 135411124 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/18052/statm: 2523 2071 149 482 0 2039 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10092

[startup+0.701914 s]
/proc/loadavg: 1.07 1.17 1.08 3/106 18052
/proc/meminfo: memFree=1812388/2059040 swapFree=4140372/4192956
[pid=18052] ppid=18050 vsize=34928 CPUtime=0.69
/proc/18052/stat : 18052 (pbct) R 18050 18052 17502 0 -1 4202496 8489 0 0 0 67 2 0 0 21 0 1 0 10612675 35766272 5536 1992294400 134512640 136485738 4291597120 18446744073709551615 135178844 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/18052/statm: 8732 5537 149 482 0 8248 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 34928

[startup+1.50199 s]
/proc/loadavg: 1.07 1.17 1.08 2/107 18053
/proc/meminfo: memFree=1789936/2059040 swapFree=4140372/4192956
[pid=18052] ppid=18050 vsize=36256 CPUtime=1.49
/proc/18052/stat : 18052 (pbct) R 18050 18052 17502 0 -1 4202496 10998 0 0 0 146 3 0 0 23 0 1 0 10612675 37126144 7019 1992294400 134512640 136485738 4291597120 18446744073709551615 135178825 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/18052/statm: 9064 7020 153 482 0 8580 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 36256

[startup+3.10115 s]
/proc/loadavg: 1.06 1.17 1.08 2/107 18053
/proc/meminfo: memFree=1767244/2059040 swapFree=4140372/4192956
[pid=18052] ppid=18050 vsize=77760 CPUtime=3.09
/proc/18052/stat : 18052 (pbct) R 18050 18052 17502 0 -1 4202496 21241 0 0 0 302 7 0 0 25 0 1 0 10612675 79626240 17262 1992294400 134512640 136485738 4291597120 18446744073709551615 135843987 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/18052/statm: 19440 17262 153 482 0 18956 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 77760

[startup+6.30146 s]
/proc/loadavg: 1.06 1.17 1.08 2/107 18053
/proc/meminfo: memFree=1621172/2059040 swapFree=4140372/4192956
[pid=18052] ppid=18050 vsize=253972 CPUtime=6.29
/proc/18052/stat : 18052 (pbct) R 18050 18052 17502 0 -1 4202496 66453 0 0 0 602 27 0 0 25 0 1 0 10612675 260067328 60353 1992294400 134512640 136485738 4291597120 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/18052/statm: 63493 60354 197 482 0 63009 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 253972

[startup+12.7011 s]
/proc/loadavg: 1.20 1.19 1.09 2/107 18053
/proc/meminfo: memFree=1210980/2059040 swapFree=4140372/4192956
[pid=18052] ppid=18050 vsize=664224 CPUtime=12.68
/proc/18052/stat : 18052 (pbct) R 18050 18052 17502 0 -1 4202496 174618 0 0 0 1196 72 0 0 25 0 1 0 10612675 680165376 159676 1992294400 134512640 136485738 4291597120 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/18052/statm: 166056 159677 197 482 0 165572 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 664224

[startup+25.5013 s]
/proc/loadavg: 1.17 1.19 1.09 2/107 18053
/proc/meminfo: memFree=433624/2059040 swapFree=4140372/4192956
[pid=18052] ppid=18050 vsize=1419724 CPUtime=25.49
/proc/18052/stat : 18052 (pbct) R 18050 18052 17502 0 -1 4202496 376302 0 0 0 2394 155 0 0 25 0 1 0 10612675 1453797376 347097 1992294400 134512640 136485738 4291597120 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/18052/statm: 354931 347097 197 482 0 354447 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 1419724



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+33.5011 s]
/proc/loadavg: 1.14 1.18 1.09 1/107 18053
/proc/meminfo: memFree=10776/2059040 swapFree=4140372/4192956
[pid=18052] ppid=18050 vsize=1859980 CPUtime=33.46
/proc/18052/stat : 18052 (pbct) R 18050 18052 17502 0 -1 4202496 489965 0 0 0 3137 209 0 0 25 0 1 0 10612675 1904619520 457686 1992294400 134512640 136485738 4291597120 18446744073709551615 135868589 0 0 4096 16387 0 0 0 17 1 0 0 2
/proc/18052/statm: 464995 457686 197 482 0 464511 0
Current children cumulated CPU time (s) 33.46
Current children cumulated vsize (KiB) 1859980

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

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

[startup+33.6104 s]
/proc/loadavg: 1.14 1.18 1.09 1/107 18053
/proc/meminfo: memFree=10776/2059040 swapFree=4140372/4192956
[pid=18052] ppid=18050 vsize=0 CPUtime=33.56
/proc/18052/stat : 18052 (pbct) R 18050 18052 17502 0 -1 4194308 489968 0 0 0 3137 219 0 0 25 0 1 0 10612675 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 0 0 0 2
/proc/18052/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 33.56
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 33.6797
CPU time (s): 33.6419
CPU user time (s): 31.3742
CPU system time (s): 2.26766
CPU usage (%): 99.8877
Max. virtual memory (cumulated for all children) (KiB): 1859980

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 31.3742
system time used= 2.26765
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 489968
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= 500

runsolver used 0.043993 second user time and 0.188971 second system time

The end

Launcher Data 

Begin job on node056 at 2010-06-16 15:00:17
IDJOB=2669536
IDBENCH=71904
IDSOLVER=1170
FILE ID=node056/2669536-1276693216
PBS_JOBID= 11172600
Free space on /tmp= 98624 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB09/normalized-PB09/OPT-BIGINT-LIN/aries-da_nrp/normalized-aries-da_network_2000_5__647_1792__32.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2669536-1276693216/watcher-2669536-1276693216 -o /tmp/evaluation-result-2669536-1276693216/solver-2669536-1276693216 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2669536-1276693216.opb

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

MD5SUM BENCH= 88a1b10031770f0260ca582c16661bcb
RANDOM SEED=1938736930

node056.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		: 3000.215
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	: 6000.43
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		: 3000.215
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	: 5599.47
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1812916 kB
Buffers:         15708 kB
Cached:         132428 kB
SwapCached:      15320 kB
Active:          91072 kB
Inactive:        79160 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1812916 kB
SwapTotal:     4192956 kB
SwapFree:      4140372 kB
Dirty:           16536 kB
Writeback:           0 kB
AnonPages:       10884 kB
Mapped:          12884 kB
Slab:            54104 kB
PageTables:       4008 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181428 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= 98620 MiB
End job on node056 at 2010-06-16 15:00:53