Trace number 2667748

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 NameAnswerCPU timeWall clock time
PB/CT 0.1SAT 22.7705 22.7776

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_500_60_1_15.opb
MD5SUMdc4640b37e8ff69e4d6e183444e5d071
Bench CategoryDEC-SMALLINT-NLC (no optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark5.00824
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1000
Total number of constraints1502
Number of constraints which are clauses500
Number of constraints which are cardinality constraints (but not clauses)1
Number of constraints which are nor clauses,nor cardinality constraints1001
Minimum length of a constraint2
Maximum length of a constraint1000
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 15
Number of bits of the biggest number in a constraint 4
Biggest sum of numbers in a constraint 1000
Number of bits of the biggest sum of numbers10
Number of products (including duplicates)74732
Sum of products size (including duplicates)149464
Number of different products37366
Sum of products size74732

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
0.79/0.88	c constraints 38368/0 clauses 37866/0 units 0
0.79/0.88	c vars 1000
17.69/17.75	c 16.5545 1053.72 35 39112
17.69/17.75	s SATISFIABLE
17.69/17.75	v -x1 -x2 -x3 -x4 -x5 -x6 -x7 -x8 -x9 -x10 -x11 -x12 -x13 -x14 -x15 -x16 -x17 -x18 -x19 -x20 -x21 -x22 -x23 -x24 -x25 -x26 -x27 -x28 -x29 -x30 -x31 -x32 -x33 -x34 -x35 -x36 -x37 -x38 -x39 -x40 -x41 -x42 -x43 -x44 -x45 -x46 -x47 -x48 -x49 -x50 -x51 -x52 -x53 -x54 -x55 -x56 -x57 -x58 x59 -x60 -x61 -x62 -x63 -x64 -x65 -x66 -x67 -x68 -x69 -x70 -x71 -x72 -x73 -x74 -x75 -x76 -x77 -x78 -x79 -x80 -x81 -x82 -x83 -x84 -x85 -x86 -x87 -x88 -x89 -x90 -x91 -x92 -x93 -x94 -x95 -x96 -x97 -x98 -x99 -x100 -x101 -x102 -x103 -x104 -x105 -x106 -x107 -x108 -x109 -x110 -x111 -x112 -x113 -x114 -x115 -x116 -x117 -x118 -x119 -x120 -x121 -x122 -x123 -x124 -x125 -x126 -x127 -x128 -x129 -x130 -x131 -x132 -x133 -x134 -x135 -x136 -x137 -x138 -x139 -x140 -x141 -x142 -x143 -x144 -x145 -x146 -x147 -x148 -x149 -x150 -x151 -x152 -x153 -x154 -x155 -x156 x157 -x158 -x159 -x160 -x161 x162 x163 -x164 -x165 x166 -x167 x168 -x169 -x170 -x171 -x172 x173 -x174 -x175 x176 -x177 -x178 -x179 x180 x181 -x182 x183 -x184 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Verifier Data 

OK	0

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2667748-1276679613/watcher-2667748-1276679613 -o /tmp/evaluation-result-2667748-1276679613/solver-2667748-1276679613 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2667748-1276679613.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: 0.99 0.99 0.99 3/106 16961
/proc/meminfo: memFree=1530864/2059040 swapFree=4192956/4192956
[pid=16961] ppid=16959 vsize=2340 CPUtime=0
/proc/16961/stat : 16961 (pbct) R 16959 16961 16567 0 -1 4202496 299 0 0 0 0 0 0 0 17 0 1 0 9252022 2396160 222 1992294400 134512640 136485738 4290736528 18446744073709551615 135332318 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/16961/statm: 585 222 156 482 0 101 0

[startup+0.0121979 s]
/proc/loadavg: 0.99 0.99 0.99 3/106 16961
/proc/meminfo: memFree=1530864/2059040 swapFree=4192956/4192956
[pid=16961] ppid=16959 vsize=2472 CPUtime=0
/proc/16961/stat : 16961 (pbct) R 16959 16961 16567 0 -1 4202496 325 0 0 0 0 0 0 0 17 0 1 0 9252022 2531328 248 1992294400 134512640 136485738 4290736528 18446744073709551615 134528805 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/16961/statm: 618 249 156 482 0 134 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 2472

[startup+0.10111 s]
/proc/loadavg: 0.99 0.99 0.99 3/106 16961
/proc/meminfo: memFree=1530864/2059040 swapFree=4192956/4192956
[pid=16961] ppid=16959 vsize=4848 CPUtime=0.09
/proc/16961/stat : 16961 (pbct) R 16959 16961 16567 0 -1 4202496 929 0 0 0 9 0 0 0 17 0 1 0 9252022 4964352 852 1992294400 134512640 136485738 4290736528 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/16961/statm: 1212 853 156 482 0 728 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4848

[startup+0.301133 s]
/proc/loadavg: 0.99 0.99 0.99 3/106 16961
/proc/meminfo: memFree=1530864/2059040 swapFree=4192956/4192956
[pid=16961] ppid=16959 vsize=9996 CPUtime=0.29
/proc/16961/stat : 16961 (pbct) R 16959 16961 16567 0 -1 4202496 2207 0 0 0 29 0 0 0 17 0 1 0 9252022 10235904 2130 1992294400 134512640 136485738 4290736528 18446744073709551615 135177433 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/16961/statm: 2499 2130 156 482 0 2015 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9996

[startup+0.701176 s]
/proc/loadavg: 0.99 0.99 0.99 3/106 16961
/proc/meminfo: memFree=1530864/2059040 swapFree=4192956/4192956
[pid=16961] ppid=16959 vsize=20352 CPUtime=0.69
/proc/16961/stat : 16961 (pbct) R 16959 16961 16567 0 -1 4202496 4802 0 0 0 68 1 0 0 17 0 1 0 9252022 20840448 4725 1992294400 134512640 136485738 4290736528 18446744073709551615 134537360 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/16961/statm: 5088 4725 156 482 0 4604 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 20352

[startup+1.50127 s]
/proc/loadavg: 0.99 0.99 0.99 2/107 16962
/proc/meminfo: memFree=1496136/2059040 swapFree=4192956/4192956
[pid=16961] ppid=16959 vsize=82444 CPUtime=1.49
/proc/16961/stat : 16961 (pbct) R 16959 16961 16567 0 -1 4202496 20687 0 0 0 141 8 0 0 18 0 1 0 9252022 84422656 20105 1992294400 134512640 136485738 4290736528 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16961/statm: 20611 20106 191 482 0 20127 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 82444

[startup+3.10144 s]
/proc/loadavg: 0.99 0.99 0.99 2/107 16962
/proc/meminfo: memFree=1402764/2059040 swapFree=4192956/4192956
[pid=16961] ppid=16959 vsize=199188 CPUtime=3.09
/proc/16961/stat : 16961 (pbct) R 16959 16961 16567 0 -1 4202496 51622 0 0 0 287 22 0 0 21 0 1 0 9252022 203968512 48690 1992294400 134512640 136485738 4290736528 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16961/statm: 49797 48690 196 482 0 49313 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 199188

[startup+6.3008 s]
/proc/loadavg: 0.99 0.99 0.99 2/107 16962
/proc/meminfo: memFree=1205232/2059040 swapFree=4192956/4192956
[pid=16961] ppid=16959 vsize=379780 CPUtime=6.29
/proc/16961/stat : 16961 (pbct) R 16959 16961 16567 0 -1 4202496 100405 0 0 0 585 44 0 0 25 0 1 0 9252022 388894720 93755 1992294400 134512640 136485738 4290736528 18446744073709551615 134725667 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16961/statm: 94945 93755 196 482 0 94461 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 379780

[startup+12.7015 s]
/proc/loadavg: 0.99 0.99 0.99 2/107 16962
/proc/meminfo: memFree=634708/2059040 swapFree=4192956/4192956
[pid=16961] ppid=16959 vsize=946948 CPUtime=12.69
/proc/16961/stat : 16961 (pbct) R 16959 16961 16567 0 -1 4202496 248821 0 0 0 1164 105 0 0 25 0 1 0 9252022 969674752 230975 1992294400 134512640 136485738 4290736528 18446744073709551615 134949531 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16961/statm: 236737 230975 208 482 0 236253 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 946948

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

[startup+19.1012 s]
/proc/loadavg: 0.99 0.99 0.99 2/107 16962
/proc/meminfo: memFree=526084/2059040 swapFree=4192956/4192956
[pid=16961] ppid=16959 vsize=995960 CPUtime=19.08
/proc/16961/stat : 16961 (pbct) R 16959 16961 16567 0 -1 4202496 283710 0 0 0 1789 119 0 0 25 0 1 0 9252022 1019863040 244172 1992294400 134512640 136485738 4290736528 18446744073709551615 135856820 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16961/statm: 248990 244172 246 482 0 248506 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 995960

[startup+20.7014 s]
/proc/loadavg: 0.99 0.99 0.99 2/107 16962
/proc/meminfo: memFree=552372/2059040 swapFree=4192956/4192956
[pid=16961] ppid=16959 vsize=995960 CPUtime=20.68
/proc/16961/stat : 16961 (pbct) R 16959 16961 16567 0 -1 4202496 283710 0 0 0 1949 119 0 0 25 0 1 0 9252022 1019863040 244172 1992294400 134512640 136485738 4290736528 18446744073709551615 135839911 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16961/statm: 248990 244172 246 482 0 248506 0
Current children cumulated CPU time (s) 20.68
Current children cumulated vsize (KiB) 995960

[startup+21.5015 s]
/proc/loadavg: 0.99 0.99 0.99 2/107 16962
/proc/meminfo: memFree=552372/2059040 swapFree=4192956/4192956
[pid=16961] ppid=16959 vsize=995960 CPUtime=21.48
/proc/16961/stat : 16961 (pbct) R 16959 16961 16567 0 -1 4202496 283710 0 0 0 2029 119 0 0 25 0 1 0 9252022 1019863040 244172 1992294400 134512640 136485738 4290736528 18446744073709551615 135839787 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16961/statm: 248990 244172 246 482 0 248506 0
Current children cumulated CPU time (s) 21.48
Current children cumulated vsize (KiB) 995960

[startup+22.3016 s]
/proc/loadavg: 0.99 0.99 0.99 2/107 16962
/proc/meminfo: memFree=555472/2059040 swapFree=4192956/4192956
[pid=16961] ppid=16959 vsize=937412 CPUtime=22.28
/proc/16961/stat : 16961 (pbct) R 16959 16961 16567 0 -1 4202496 283710 0 0 0 2108 120 0 0 25 0 1 0 9252022 959909888 233920 1992294400 134512640 136485738 4290736528 18446744073709551615 135839991 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16961/statm: 234353 233920 246 482 0 233869 0
Current children cumulated CPU time (s) 22.28
Current children cumulated vsize (KiB) 937412

[startup+22.7006 s]
/proc/loadavg: 0.99 0.99 0.99 2/107 16962
/proc/meminfo: memFree=555472/2059040 swapFree=4192956/4192956
[pid=16961] ppid=16959 vsize=0 CPUtime=22.68
/proc/16961/stat : 16961 (pbct) R 16959 16961 16567 0 -1 4202500 283711 0 0 0 2147 121 0 0 25 0 1 0 9252022 0 0 1992294400 0 0 0 0 0 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/16961/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 22.68
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 22.7776
CPU time (s): 22.7705
CPU user time (s): 21.4757
CPU system time (s): 1.2948
CPU usage (%): 99.9691
Max. virtual memory (cumulated for all children) (KiB): 1079004

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 21.4757
system time used= 1.2948
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 283711
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= 27

runsolver used 0.036994 second user time and 0.115982 second system time

The end

Launcher Data 

Begin job on node059 at 2010-06-16 11:13:33
IDJOB=2667748
IDBENCH=48336
IDSOLVER=1170
FILE ID=node059/2667748-1276679613
PBS_JOBID= 11172543
Free space on /tmp= 62552 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_500_60_1_15.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2667748-1276679613/watcher-2667748-1276679613 -o /tmp/evaluation-result-2667748-1276679613/solver-2667748-1276679613 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2667748-1276679613.opb

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

MD5SUM BENCH= dc4640b37e8ff69e4d6e183444e5d071
RANDOM SEED=1853468330

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:       1531508 kB
Buffers:        127116 kB
Cached:         258140 kB
SwapCached:          0 kB
Active:         155752 kB
Inactive:       288816 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1531508 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            3112 kB
Writeback:           0 kB
AnonPages:       59284 kB
Mapped:          15440 kB
Slab:            61364 kB
PageTables:       4084 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180728 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= 62552 MiB
End job on node059 at 2010-06-16 11:13:56