Trace number 2667780

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 22.3346 22.339

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_500_60_5_15.opb
MD5SUM22b768493fb377a7ad184ec8975ae3ca
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 benchmark4.91825
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)75000
Sum of products size (including duplicates)150000
Number of different products37500
Sum of products size75000

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 38502/0 clauses 38000/0 units 0
0.79/0.88	c vars 1000
17.29/17.30	c 16.1535 1057.07 22 38969
17.29/17.30	s SATISFIABLE
17.29/17.30	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-2667780-1276683325/watcher-2667780-1276683325 -o /tmp/evaluation-result-2667780-1276683325/solver-2667780-1276683325 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2667780-1276683325.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 1.00 3/106 15343
/proc/meminfo: memFree=1713344/2059040 swapFree=4192956/4192956
[pid=15343] ppid=15341 vsize=2340 CPUtime=0
/proc/15343/stat : 15343 (pbct) R 15341 15343 14710 0 -1 4202496 302 0 0 0 0 0 0 0 20 0 1 0 9627851 2396160 224 1992294400 134512640 136485738 4288380144 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15343/statm: 585 224 156 482 0 101 0

[startup+0.03527 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 15343
/proc/meminfo: memFree=1713344/2059040 swapFree=4192956/4192956
[pid=15343] ppid=15341 vsize=3132 CPUtime=0.03
/proc/15343/stat : 15343 (pbct) R 15341 15343 14710 0 -1 4202496 481 0 0 0 3 0 0 0 20 0 1 0 9627851 3207168 403 1992294400 134512640 136485738 4288380144 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15343/statm: 783 403 156 482 0 299 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 3132

[startup+0.101273 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 15343
/proc/meminfo: memFree=1713344/2059040 swapFree=4192956/4192956
[pid=15343] ppid=15341 vsize=4848 CPUtime=0.09
/proc/15343/stat : 15343 (pbct) R 15341 15343 14710 0 -1 4202496 933 0 0 0 9 0 0 0 20 0 1 0 9627851 4964352 855 1992294400 134512640 136485738 4288380144 18446744073709551615 135180539 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15343/statm: 1212 855 156 482 0 728 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4848

[startup+0.300286 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 15343
/proc/meminfo: memFree=1713344/2059040 swapFree=4192956/4192956
[pid=15343] ppid=15341 vsize=10000 CPUtime=0.29
/proc/15343/stat : 15343 (pbct) R 15341 15343 14710 0 -1 4202496 2225 0 0 0 29 0 0 0 20 0 1 0 9627851 10240000 2147 1992294400 134512640 136485738 4288380144 18446744073709551615 135868589 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15343/statm: 2500 2147 156 482 0 2016 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10000

[startup+0.700311 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 15343
/proc/meminfo: memFree=1713344/2059040 swapFree=4192956/4192956
[pid=15343] ppid=15341 vsize=20432 CPUtime=0.69
/proc/15343/stat : 15343 (pbct) R 15341 15343 14710 0 -1 4202496 4819 0 0 0 67 2 0 0 21 0 1 0 9627851 20922368 4741 1992294400 134512640 136485738 4288380144 18446744073709551615 135178793 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15343/statm: 5108 4741 156 482 0 4624 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 20432

[startup+1.50136 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 15344
/proc/meminfo: memFree=1678492/2059040 swapFree=4192956/4192956
[pid=15343] ppid=15341 vsize=82304 CPUtime=1.49
/proc/15343/stat : 15343 (pbct) R 15341 15343 14710 0 -1 4202496 20635 0 0 0 139 10 0 0 23 0 1 0 9627851 84279296 20053 1992294400 134512640 136485738 4288380144 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15343/statm: 20576 20053 191 482 0 20092 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 82304

[startup+3.10146 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 15344
/proc/meminfo: memFree=1584748/2059040 swapFree=4192956/4192956
[pid=15343] ppid=15341 vsize=199604 CPUtime=3.1
/proc/15343/stat : 15343 (pbct) R 15341 15343 14710 0 -1 4202496 51725 0 0 0 287 23 0 0 25 0 1 0 9627851 204394496 48792 1992294400 134512640 136485738 4288380144 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15343/statm: 49901 48792 196 482 0 49417 0
Current children cumulated CPU time (s) 3.1
Current children cumulated vsize (KiB) 199604

[startup+6.30167 s]
/proc/loadavg: 1.00 1.00 1.00 3/107 15344
/proc/meminfo: memFree=1386720/2059040 swapFree=4192956/4192956
[pid=15343] ppid=15341 vsize=380744 CPUtime=6.29
/proc/15343/stat : 15343 (pbct) R 15341 15343 14710 0 -1 4202496 100668 0 0 0 588 41 0 0 25 0 1 0 9627851 389881856 94017 1992294400 134512640 136485738 4288380144 18446744073709551615 134725694 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15343/statm: 95186 94017 196 482 0 94702 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 380744

[startup+12.7011 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 15344
/proc/meminfo: memFree=813964/2059040 swapFree=4192956/4192956
[pid=15343] ppid=15341 vsize=950040 CPUtime=12.69
/proc/15343/stat : 15343 (pbct) R 15341 15343 14710 0 -1 4202496 249627 0 0 0 1169 100 0 0 25 0 1 0 9627851 972840960 231767 1992294400 134512640 136485738 4288380144 18446744073709551615 135849312 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15343/statm: 237510 231767 208 482 0 237026 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 950040

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

[startup+19.1005 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 15346
/proc/meminfo: memFree=731256/2059040 swapFree=4192956/4192956
[pid=15343] ppid=15341 vsize=999348 CPUtime=19.09
/proc/15343/stat : 15343 (pbct) R 15341 15343 14710 0 -1 4202496 284630 0 0 0 1794 115 0 0 25 0 1 0 9627851 1023332352 245023 1992294400 134512640 136485738 4288380144 18446744073709551615 135844170 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15343/statm: 249837 245023 246 482 0 249353 0
Current children cumulated CPU time (s) 19.09
Current children cumulated vsize (KiB) 999348

[startup+20.7016 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 15346
/proc/meminfo: memFree=731256/2059040 swapFree=4192956/4192956
[pid=15343] ppid=15341 vsize=999348 CPUtime=20.69
/proc/15343/stat : 15343 (pbct) R 15341 15343 14710 0 -1 4202496 284630 0 0 0 1954 115 0 0 25 0 1 0 9627851 1023332352 245023 1992294400 134512640 136485738 4288380144 18446744073709551615 135839796 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15343/statm: 249837 245023 246 482 0 249353 0
Current children cumulated CPU time (s) 20.69
Current children cumulated vsize (KiB) 999348

[startup+21.5017 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 15346
/proc/meminfo: memFree=731256/2059040 swapFree=4192956/4192956
[pid=15343] ppid=15341 vsize=996264 CPUtime=21.49
/proc/15343/stat : 15343 (pbct) R 15341 15343 14710 0 -1 4202496 284630 0 0 0 2034 115 0 0 25 0 1 0 9627851 1020174336 244252 1992294400 134512640 136485738 4288380144 18446744073709551615 135856849 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15343/statm: 249066 244252 246 482 0 248582 0
Current children cumulated CPU time (s) 21.49
Current children cumulated vsize (KiB) 996264

[startup+21.9017 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 15346
/proc/meminfo: memFree=772548/2059040 swapFree=4192956/4192956
[pid=15343] ppid=15341 vsize=940672 CPUtime=21.89
/proc/15343/stat : 15343 (pbct) R 15341 15343 14710 0 -1 4202496 284630 0 0 0 2074 115 0 0 25 0 1 0 9627851 963248128 234738 1992294400 134512640 136485738 4288380144 18446744073709551615 135839787 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15343/statm: 235168 234738 246 482 0 234684 0
Current children cumulated CPU time (s) 21.89
Current children cumulated vsize (KiB) 940672

[startup+22.3017 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 15346
/proc/meminfo: memFree=772548/2059040 swapFree=4192956/4192956
[pid=15343] ppid=15341 vsize=0 CPUtime=22.28
/proc/15343/stat : 15343 (pbct) R 15341 15343 14710 0 -1 4202500 284631 0 0 0 2108 120 0 0 25 0 1 0 9627851 0 0 1992294400 0 0 0 0 0 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/15343/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 22.28
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 22.339
CPU time (s): 22.3346
CPU user time (s): 21.0878
CPU system time (s): 1.24681
CPU usage (%): 99.9805
Max. virtual memory (cumulated for all children) (KiB): 1082432

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 21.0878
system time used= 1.24681
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 284631
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= 273

runsolver used 0.044993 second user time and 0.107983 second system time

The end

Launcher Data 

Begin job on node030 at 2010-06-16 12:15:25
IDJOB=2667780
IDBENCH=48368
IDSOLVER=1170
FILE ID=node030/2667780-1276683325
PBS_JOBID= 11172542
Free space on /tmp= 62556 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_500_60_5_15.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2667780-1276683325/watcher-2667780-1276683325 -o /tmp/evaluation-result-2667780-1276683325/solver-2667780-1276683325 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2667780-1276683325.opb

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

MD5SUM BENCH= 22b768493fb377a7ad184ec8975ae3ca
RANDOM SEED=477357795

node030.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	: 5599.52
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1713872 kB
Buffers:         72468 kB
Cached:         134508 kB
SwapCached:          0 kB
Active:         126196 kB
Inactive:       140452 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1713872 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            3116 kB
Writeback:           0 kB
AnonPages:       59684 kB
Mapped:          15380 kB
Slab:            56852 kB
PageTables:       4140 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180608 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= 62556 MiB
End job on node030 at 2010-06-16 12:15:48