Trace number 2668367

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) 38.9681 38.9846

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/MIPLIB/
miplib/normalized-mps-v2-20-10-misc04.opb
MD5SUMbb1646c210ed722ee76932cafe9701aa
Bench CategoryOPT-BIGINT (optimisation, big integers)
Best result obtained on this benchmark
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables146276
Total number of constraints1699
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)10
Number of constraints which are nor clauses,nor cardinality constraints1689
Minimum length of a constraint3
Maximum length of a constraint5071
Number of terms in the objective function 31
Biggest coefficient in the objective function 1073741824
Number of bits for the biggest coefficient in the objective function 31
Sum of the numbers in the objective function 2147483647
Number of bits of the sum of numbers in the objective function 31
Biggest number in a constraint 43188899594881920000
Number of bits of the biggest number in a constraint 66
Biggest sum of numbers in a constraint 133861748414790079675
Number of bits of the biggest sum of numbers67
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
13.39/13.41	c constraints 1674/0 clauses 0/0 units 4205
13.39/13.41	c vars 146276
13.39/13.41	c objective 31 + 0
38.78/38.81	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-2668367-1276561583/watcher-2668367-1276561583 -o /tmp/evaluation-result-2668367-1276561583/solver-2668367-1276561583 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2668367-1276561583.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: 1.00 1.00 1.08 3/106 31415
/proc/meminfo: memFree=1802992/2059040 swapFree=4139744/4192956
[pid=31415] ppid=31413 vsize=2208 CPUtime=0
/proc/31415/stat : 31415 (pbct) R 31413 31415 31213 0 -1 4202496 267 0 0 0 0 0 0 0 20 0 1 0 31759856 2260992 190 1992294400 134512640 136485738 4293390256 18446744073709551615 135173200 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31415/statm: 552 190 155 482 0 68 0

[startup+0.0810469 s]
/proc/loadavg: 1.00 1.00 1.08 3/106 31415
/proc/meminfo: memFree=1802992/2059040 swapFree=4139744/4192956
[pid=31415] ppid=31413 vsize=2208 CPUtime=0.07
/proc/31415/stat : 31415 (pbct) R 31413 31415 31213 0 -1 4202496 267 0 0 0 7 0 0 0 20 0 1 0 31759856 2260992 190 1992294400 134512640 136485738 4293390256 18446744073709551615 135177556 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31415/statm: 552 190 155 482 0 68 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 2208

[startup+0.101049 s]
/proc/loadavg: 1.00 1.00 1.08 3/106 31415
/proc/meminfo: memFree=1802992/2059040 swapFree=4139744/4192956
[pid=31415] ppid=31413 vsize=2208 CPUtime=0.09
/proc/31415/stat : 31415 (pbct) R 31413 31415 31213 0 -1 4202496 267 0 0 0 9 0 0 0 20 0 1 0 31759856 2260992 190 1992294400 134512640 136485738 4293390256 18446744073709551615 135177541 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31415/statm: 552 190 155 482 0 68 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2208

[startup+0.301074 s]
/proc/loadavg: 1.00 1.00 1.08 3/106 31415
/proc/meminfo: memFree=1802992/2059040 swapFree=4139744/4192956
[pid=31415] ppid=31413 vsize=2340 CPUtime=0.29
/proc/31415/stat : 31415 (pbct) R 31413 31415 31213 0 -1 4202496 281 0 0 0 29 0 0 0 20 0 1 0 31759856 2396160 204 1992294400 134512640 136485738 4293390256 18446744073709551615 134536599 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31415/statm: 585 204 156 482 0 101 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2340

[startup+0.701128 s]
/proc/loadavg: 1.00 1.00 1.08 3/106 31415
/proc/meminfo: memFree=1802992/2059040 swapFree=4139744/4192956
[pid=31415] ppid=31413 vsize=2480 CPUtime=0.69
/proc/31415/stat : 31415 (pbct) R 31413 31415 31213 0 -1 4202496 321 0 0 0 69 0 0 0 20 0 1 0 31759856 2539520 244 1992294400 134512640 136485738 4293390256 18446744073709551615 135857072 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31415/statm: 620 244 156 482 0 136 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 2480

[startup+1.50123 s]
/proc/loadavg: 1.00 1.00 1.08 2/107 31416
/proc/meminfo: memFree=1802364/2059040 swapFree=4139744/4192956
[pid=31415] ppid=31413 vsize=2752 CPUtime=1.49
/proc/31415/stat : 31415 (pbct) R 31413 31415 31213 0 -1 4202496 399 0 0 0 149 0 0 0 22 0 1 0 31759856 2818048 322 1992294400 134512640 136485738 4293390256 18446744073709551615 135848143 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31415/statm: 688 322 156 482 0 204 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 2752

[startup+3.10044 s]
/proc/loadavg: 1.00 1.00 1.08 2/107 31416
/proc/meminfo: memFree=1801248/2059040 swapFree=4139744/4192956
[pid=31415] ppid=31413 vsize=3548 CPUtime=3.09
/proc/31415/stat : 31415 (pbct) R 31413 31415 31213 0 -1 4202496 599 0 0 0 309 0 0 0 25 0 1 0 31759856 3633152 522 1992294400 134512640 136485738 4293390256 18446744073709551615 134541022 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31415/statm: 887 522 156 482 0 403 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 3548

[startup+6.30086 s]
/proc/loadavg: 1.00 1.00 1.08 2/107 31416
/proc/meminfo: memFree=1799512/2059040 swapFree=4139744/4192956
[pid=31415] ppid=31413 vsize=5188 CPUtime=6.29
/proc/31415/stat : 31415 (pbct) R 31413 31415 31213 0 -1 4202496 1001 0 0 0 629 0 0 0 25 0 1 0 31759856 5312512 924 1992294400 134512640 136485738 4293390256 18446744073709551615 135856828 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31415/statm: 1297 924 156 482 0 813 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 5188

[startup+12.7007 s]
/proc/loadavg: 1.00 1.00 1.08 2/107 31418
/proc/meminfo: memFree=1795172/2059040 swapFree=4139744/4192956
[pid=31415] ppid=31413 vsize=21120 CPUtime=12.69
/proc/31415/stat : 31415 (pbct) R 31413 31415 31213 0 -1 4202496 4939 0 0 0 1266 3 0 0 25 0 1 0 31759856 21626880 4862 1992294400 134512640 136485738 4293390256 18446744073709551615 135172008 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31415/statm: 5280 4862 156 482 0 4796 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 21120

[startup+25.5014 s]
/proc/loadavg: 1.00 1.00 1.08 2/107 31418
/proc/meminfo: memFree=1032944/2059040 swapFree=4139744/4192956
[pid=31415] ppid=31413 vsize=798580 CPUtime=25.48
/proc/31415/stat : 31415 (pbct) R 31413 31415 31213 0 -1 4202496 211222 0 0 0 2457 91 0 0 25 0 1 0 31759856 817745920 197530 1992294400 134512640 136485738 4293390256 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31415/statm: 199645 197530 197 482 0 199161 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 798580



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+38.8008 s]
/proc/loadavg: 1.00 1.00 1.08 2/107 31418
/proc/meminfo: memFree=9332/2059040 swapFree=4139744/4192956
[pid=31415] ppid=31413 vsize=1843240 CPUtime=38.78
/proc/31415/stat : 31415 (pbct) R 31413 31415 31213 0 -1 4202496 486943 0 0 0 3674 204 0 0 25 0 1 0 31759856 1887477760 458175 1992294400 134512640 136485738 4293390256 18446744073709551615 134935494 0 0 4096 16387 0 0 0 17 0 0 0 0
/proc/31415/statm: 460810 458176 201 482 0 460326 0
Current children cumulated CPU time (s) 38.78
Current children cumulated vsize (KiB) 1843240

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

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

[startup+38.9098 s]
/proc/loadavg: 1.00 1.00 1.08 2/107 31418
/proc/meminfo: memFree=9332/2059040 swapFree=4139744/4192956
[pid=31415] ppid=31413 vsize=0 CPUtime=38.88
/proc/31415/stat : 31415 (pbct) R 31413 31415 31213 0 -1 4194308 486947 0 0 0 3674 214 0 0 25 0 1 0 31759856 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 0 0 0 0
/proc/31415/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 38.88
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 38.9846
CPU time (s): 38.9681
CPU user time (s): 36.7484
CPU system time (s): 2.21966
CPU usage (%): 99.9576
Max. virtual memory (cumulated for all children) (KiB): 1843240

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 36.7484
system time used= 2.21966
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 486947
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= 80

runsolver used 0.054991 second user time and 0.211967 second system time

The end

Launcher Data 

Begin job on node013 at 2010-06-15 02:26:24
IDJOB=2668367
IDBENCH=2486
IDSOLVER=1170
FILE ID=node013/2668367-1276561583
PBS_JOBID= 11173502
Free space on /tmp= 62500 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/OPT-BIGINT/mps-v2-20-10/MIPLIB/miplib/normalized-mps-v2-20-10-misc04.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2668367-1276561583/watcher-2668367-1276561583 -o /tmp/evaluation-result-2668367-1276561583/solver-2668367-1276561583 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2668367-1276561583.opb

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

MD5SUM BENCH= bb1646c210ed722ee76932cafe9701aa
RANDOM SEED=1398072806

node013.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		: 3000.253
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	: 6000.50
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		: 3000.253
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	: 5599.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1803396 kB
Buffers:         52468 kB
Cached:         122224 kB
SwapCached:       6440 kB
Active:          87012 kB
Inactive:       101184 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1803396 kB
SwapTotal:     4192956 kB
SwapFree:      4139744 kB
Dirty:            8988 kB
Writeback:           0 kB
AnonPages:       11908 kB
Mapped:          12980 kB
Slab:            45592 kB
PageTables:       3984 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181336 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= 62496 MiB
End job on node013 at 2010-06-15 02:27:04