Trace number 2667673

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 0.1OPT-70 9.99448 10.0006

General information on the benchmark

Name/OPT-SMALLINT-LIN/featureSubscription/
normalized-50-750-false-45-90-4-2000opt.opb
MD5SUMd2e31bd1942364d9129e439b3449a3af
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-70
Best CPU time to get the best result obtained on this benchmark9.55055
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables2025
Total number of constraints29788
Number of constraints which are clauses29788
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint2
Maximum length of a constraint3
Number of terms in the objective function 135
Biggest coefficient in the objective function 4
Number of bits for the biggest coefficient in the objective function 3
Sum of the numbers in the objective function 326
Number of bits of the sum of numbers in the objective function 9
Biggest number in a constraint 4
Number of bits of the biggest number in a constraint 3
Biggest sum of numbers in a constraint 326
Number of bits of the biggest sum of numbers9
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

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
0.39/0.45	c constraints 0/0 clauses 29788/0 units 0
0.39/0.45	c vars 2025
0.39/0.45	c objective 135 + -326
0.89/0.98	c 0.941856 58.0352 2 3027
0.89/0.98	o -7
0.89/0.99	c 0.944856 58.793 2 4832
0.89/0.99	o -11
0.89/1.00	c 0.947855 58.793 2 6583
0.89/1.00	o -12
0.89/1.00	c 0.950855 58.793 3 8299
1.00/1.00	o -16
1.00/1.01	c 0.956854 58.793 15 10249
1.00/1.01	o -17
1.00/1.02	c 0.962853 58.793 15 12044
1.00/1.02	o -19
1.00/1.02	c 0.964853 58.793 17 13764
1.00/1.02	o -21
1.00/1.03	c 0.972852 58.793 30 15706
1.00/1.03	o -23
1.00/1.04	c 0.977851 58.793 48 17528
1.00/1.04	o -24
1.00/1.05	c 0.98385 58.793 69 19469
1.00/1.05	o -26
1.00/1.06	c 0.989849 58.793 85 21261
1.00/1.06	o -30
1.00/1.06	c 0.994848 58.793 97 23022
1.00/1.06	o -31
1.00/1.08	c 1.00385 58.793 183 25042
1.00/1.08	o -39
1.00/1.09	c 1.00885 58.793 206 26720
1.00/1.09	o -40
1.10/1.10	c 1.02384 58.793 336 28786
1.10/1.10	o -55
1.10/1.12	c 1.03584 58.793 413 30446
1.10/1.12	o -56
1.10/1.13	c 1.03984 58.793 429 31917
1.10/1.13	o -59
1.10/1.16	c 1.06384 58.793 700 33883
1.10/1.16	o -61
1.10/1.17	c 1.07984 58.793 803 35558
1.10/1.17	o -63
1.19/1.26	c 1.16582 58.793 1616 37946
1.19/1.26	o -64
1.99/2.07	c 1.92371 60.2383 7321 45653
1.99/2.07	o -65
2.19/2.22	c 2.07468 60.4961 8124 47875
2.19/2.22	o -66
3.30/3.38	c 3.18352 61.6602 8266 55805
3.30/3.38	o -68
6.98/7.09	c 6.79797 61.6602 7334 79244
6.98/7.09	o -70
9.68/9.75	c 9.36658 61.6602 1160 95344
9.68/9.75	s OPTIMUM FOUND
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-x2025

Verifier Data 

OK	-70

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2667673-1276685854/watcher-2667673-1276685854 -o /tmp/evaluation-result-2667673-1276685854/solver-2667673-1276685854 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2667673-1276685854.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: 1.10 1.09 1.02 2/106 14822
/proc/meminfo: memFree=1784844/2059040 swapFree=4141108/4192956
[pid=14822] ppid=14820 vsize=2208 CPUtime=0
/proc/14822/stat : 14822 (pbct) R 14820 14822 14289 0 -1 4202496 257 0 0 0 0 0 0 0 25 0 1 0 9877064 2260992 180 1992294400 134512640 136485738 4288567568 18446744073709551615 135848183 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/14822/statm: 552 180 156 482 0 68 0

[startup+0.0430939 s]
/proc/loadavg: 1.10 1.09 1.02 2/106 14822
/proc/meminfo: memFree=1784844/2059040 swapFree=4141108/4192956
[pid=14822] ppid=14820 vsize=2208 CPUtime=0.04
/proc/14822/stat : 14822 (pbct) R 14820 14822 14289 0 -1 4202496 278 0 0 0 4 0 0 0 25 0 1 0 9877064 2260992 201 1992294400 134512640 136485738 4288567568 18446744073709551615 135756039 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/14822/statm: 552 201 156 482 0 68 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 2208

[startup+0.101097 s]
/proc/loadavg: 1.10 1.09 1.02 2/106 14822
/proc/meminfo: memFree=1784844/2059040 swapFree=4141108/4192956
[pid=14822] ppid=14820 vsize=2472 CPUtime=0.1
/proc/14822/stat : 14822 (pbct) R 14820 14822 14289 0 -1 4202496 312 0 0 0 10 0 0 0 25 0 1 0 9877064 2531328 235 1992294400 134512640 136485738 4288567568 18446744073709551615 135565496 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/14822/statm: 618 235 156 482 0 134 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2472

[startup+0.301115 s]
/proc/loadavg: 1.10 1.09 1.02 2/106 14822
/proc/meminfo: memFree=1784844/2059040 swapFree=4141108/4192956
[pid=14822] ppid=14820 vsize=2868 CPUtime=0.29
/proc/14822/stat : 14822 (pbct) R 14820 14822 14289 0 -1 4202496 429 0 0 0 29 0 0 0 25 0 1 0 9877064 2936832 352 1992294400 134512640 136485738 4288567568 18446744073709551615 135848134 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/14822/statm: 717 352 156 482 0 233 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2868

[startup+0.70115 s]
/proc/loadavg: 1.10 1.09 1.02 2/106 14822
/proc/meminfo: memFree=1784844/2059040 swapFree=4141108/4192956
[pid=14822] ppid=14820 vsize=23832 CPUtime=0.69
/proc/14822/stat : 14822 (pbct) R 14820 14822 14289 0 -1 4202496 5947 0 0 0 68 1 0 0 25 0 1 0 9877064 24403968 5400 1992294400 134512640 136485738 4288567568 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/14822/statm: 5958 5400 194 482 0 5474 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 23832

[startup+1.50122 s]
/proc/loadavg: 1.10 1.09 1.02 2/107 14823
/proc/meminfo: memFree=1728416/2059040 swapFree=4141108/4192956
[pid=14822] ppid=14820 vsize=60728 CPUtime=1.49
/proc/14822/stat : 14822 (pbct) R 14820 14822 14289 0 -1 4202496 15593 0 0 0 138 11 0 0 25 0 1 0 9877064 62185472 14420 1992294400 134512640 136485738 4288567568 18446744073709551615 135028851 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/14822/statm: 15182 14420 243 482 0 14698 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 60728

[startup+3.10136 s]
/proc/loadavg: 1.10 1.09 1.02 2/107 14823
/proc/meminfo: memFree=1726556/2059040 swapFree=4141108/4192956
[pid=14822] ppid=14820 vsize=63136 CPUtime=3.09
/proc/14822/stat : 14822 (pbct) R 14820 14822 14289 0 -1 4202496 16188 0 0 0 291 18 0 0 25 0 1 0 9877064 64651264 15013 1992294400 134512640 136485738 4288567568 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/14822/statm: 15784 15013 243 482 0 15300 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 63136

[startup+6.30164 s]
/proc/loadavg: 1.10 1.09 1.02 2/107 14823
/proc/meminfo: memFree=1725068/2059040 swapFree=4141108/4192956
[pid=14822] ppid=14820 vsize=63136 CPUtime=6.28
/proc/14822/stat : 14822 (pbct) R 14820 14822 14289 0 -1 4202496 16189 0 0 0 601 27 0 0 25 0 1 0 9877064 64651264 15013 1992294400 134512640 136485738 4288567568 18446744073709551615 134880629 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/14822/statm: 15784 15013 243 482 0 15300 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 63136

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

[startup+7.90078 s]
/proc/loadavg: 1.09 1.09 1.02 2/107 14823
/proc/meminfo: memFree=1725068/2059040 swapFree=4141108/4192956
[pid=14822] ppid=14820 vsize=63136 CPUtime=7.88
/proc/14822/stat : 14822 (pbct) R 14820 14822 14289 0 -1 4202496 16190 0 0 0 757 31 0 0 25 0 1 0 9877064 64651264 15013 1992294400 134512640 136485738 4288567568 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/14822/statm: 15784 15013 243 482 0 15300 0
Current children cumulated CPU time (s) 7.88
Current children cumulated vsize (KiB) 63136

[startup+8.70085 s]
/proc/loadavg: 1.09 1.09 1.02 2/107 14823
/proc/meminfo: memFree=1725068/2059040 swapFree=4141108/4192956
[pid=14822] ppid=14820 vsize=63136 CPUtime=8.69
/proc/14822/stat : 14822 (pbct) R 14820 14822 14289 0 -1 4202496 16190 0 0 0 835 34 0 0 25 0 1 0 9877064 64651264 15013 1992294400 134512640 136485738 4288567568 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/14822/statm: 15784 15013 243 482 0 15300 0
Current children cumulated CPU time (s) 8.69
Current children cumulated vsize (KiB) 63136

[startup+9.50092 s]
/proc/loadavg: 1.09 1.09 1.02 2/107 14823
/proc/meminfo: memFree=1725068/2059040 swapFree=4141108/4192956
[pid=14822] ppid=14820 vsize=63136 CPUtime=9.48
/proc/14822/stat : 14822 (pbct) R 14820 14822 14289 0 -1 4202496 16190 0 0 0 912 36 0 0 25 0 1 0 9877064 64651264 15013 1992294400 134512640 136485738 4288567568 18446744073709551615 134880624 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/14822/statm: 15784 15013 243 482 0 15300 0
Current children cumulated CPU time (s) 9.48
Current children cumulated vsize (KiB) 63136

[startup+9.90895 s]
/proc/loadavg: 1.09 1.09 1.02 2/107 14823
/proc/meminfo: memFree=1728168/2059040 swapFree=4141108/4192956
[pid=14822] ppid=14820 vsize=58072 CPUtime=9.9
/proc/14822/stat : 14822 (pbct) R 14820 14822 14289 0 -1 4202496 16195 0 0 0 952 38 0 0 25 0 1 0 9877064 59465728 13860 1992294400 134512640 136485738 4288567568 18446744073709551615 134720114 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/14822/statm: 14518 13860 247 482 0 14034 0
Current children cumulated CPU time (s) 9.9
Current children cumulated vsize (KiB) 58072

Child status: 0
Real time (s): 10.0006
CPU time (s): 9.99448
CPU user time (s): 9.60754
CPU system time (s): 0.386941
CPU usage (%): 99.9385
Max. virtual memory (cumulated for all children) (KiB): 63136

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.60754
system time used= 0.386941
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 16196
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= 146

runsolver used 0.021996 second user time and 0.055991 second system time

The end

Launcher Data 

Begin job on node050 at 2010-06-16 12:57:35
IDJOB=2667673
IDBENCH=71827
IDSOLVER=1170
FILE ID=node050/2667673-1276685854
PBS_JOBID= 11172564
Free space on /tmp= 62572 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB09/normalized-PB09/OPT-SMALLINT-LIN/featureSubscription/normalized-50-750-false-45-90-4-2000opt.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2667673-1276685854/watcher-2667673-1276685854 -o /tmp/evaluation-result-2667673-1276685854/solver-2667673-1276685854 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2667673-1276685854.opb

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

MD5SUM BENCH= d2e31bd1942364d9129e439b3449a3af
RANDOM SEED=357025776

node050.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	: 5599.45
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1785240 kB
Buffers:         70688 kB
Cached:         111804 kB
SwapCached:       7128 kB
Active:         105432 kB
Inactive:        91748 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1785240 kB
SwapTotal:     4192956 kB
SwapFree:      4141108 kB
Dirty:            2932 kB
Writeback:           0 kB
AnonPages:       11840 kB
Mapped:          13148 kB
Slab:            54780 kB
PageTables:       4052 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181684 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= 62568 MiB
End job on node050 at 2010-06-16 12:57:45