Trace number 2682447

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 0.1 fixedSAT 4.45832 4.46005

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111226241.opb
MD5SUMb7b312369c912d9a28d0c332b741ce41
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
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 benchmark0.178972
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables169
Total number of constraints101
Number of constraints which are clauses30
Number of constraints which are cardinality constraints (but not clauses)70
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint169
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 38
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 1163
Number of bits of the biggest sum of numbers11
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 0.1.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.00/0.00	c constraints 71/0 clauses 30/0 units 0
0.00/0.00	c vars 169
4.39/4.44	c 4.03939 7.78516 1700 24467
4.39/4.44	s SATISFIABLE
4.39/4.44	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

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-2682447-1277475630/watcher-2682447-1277475630 -o /tmp/evaluation-result-2682447-1277475630/solver-2682447-1277475630 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682447-1277475630.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: 0.08 0.02 0.01 3/106 27473
/proc/meminfo: memFree=1814096/2059040 swapFree=4140412/4192956
[pid=27473] ppid=27471 vsize=3444 CPUtime=0
/proc/27473/stat : 27473 (pbct) R 27471 27473 27421 0 -1 4202496 556 0 0 0 0 0 0 0 20 0 1 0 88855671 3526656 475 1992294400 134512640 136421960 4292681776 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27473/statm: 861 477 193 467 0 392 0

[startup+0.0163191 s]
/proc/loadavg: 0.08 0.02 0.01 3/106 27473
/proc/meminfo: memFree=1814096/2059040 swapFree=4140412/4192956
[pid=27473] ppid=27471 vsize=4100 CPUtime=0.01
/proc/27473/stat : 27473 (pbct) R 27471 27473 27421 0 -1 4202496 727 0 0 0 1 0 0 0 20 0 1 0 88855671 4198400 646 1992294400 134512640 136421960 4292681776 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27473/statm: 1025 647 193 467 0 556 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 4100

[startup+0.100327 s]
/proc/loadavg: 0.08 0.02 0.01 3/106 27473
/proc/meminfo: memFree=1814096/2059040 swapFree=4140412/4192956
[pid=27473] ppid=27471 vsize=7328 CPUtime=0.09
/proc/27473/stat : 27473 (pbct) R 27471 27473 27421 0 -1 4202496 1544 0 0 0 9 0 0 0 20 0 1 0 88855671 7503872 1463 1992294400 134512640 136421960 4292681776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27473/statm: 1832 1463 213 467 0 1363 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7328

[startup+0.300344 s]
/proc/loadavg: 0.08 0.02 0.01 3/106 27473
/proc/meminfo: memFree=1814096/2059040 swapFree=4140412/4192956
[pid=27473] ppid=27471 vsize=7456 CPUtime=0.29
/proc/27473/stat : 27473 (pbct) R 27471 27473 27421 0 -1 4202496 1584 0 0 0 27 2 0 0 20 0 1 0 88855671 7634944 1503 1992294400 134512640 136421960 4292681776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27473/statm: 1864 1503 213 467 0 1395 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7456

[startup+0.700379 s]
/proc/loadavg: 0.08 0.02 0.01 3/106 27473
/proc/meminfo: memFree=1814096/2059040 swapFree=4140412/4192956
[pid=27473] ppid=27471 vsize=7584 CPUtime=0.69
/proc/27473/stat : 27473 (pbct) R 27471 27473 27421 0 -1 4202496 1605 0 0 0 62 7 0 0 21 0 1 0 88855671 7766016 1524 1992294400 134512640 136421960 4292681776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27473/statm: 1896 1524 213 467 0 1427 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7584

[startup+1.50045 s]
/proc/loadavg: 0.08 0.02 0.01 2/107 27474
/proc/meminfo: memFree=1808632/2059040 swapFree=4140412/4192956
[pid=27473] ppid=27471 vsize=7712 CPUtime=1.49
/proc/27473/stat : 27473 (pbct) R 27471 27473 27421 0 -1 4202496 1646 0 0 0 136 13 0 0 23 0 1 0 88855671 7897088 1565 1992294400 134512640 136421960 4292681776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27473/statm: 1928 1565 213 467 0 1459 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7712

[startup+3.10059 s]
/proc/loadavg: 0.15 0.03 0.01 2/107 27474
/proc/meminfo: memFree=1808136/2059040 swapFree=4140412/4192956
[pid=27473] ppid=27471 vsize=7840 CPUtime=3.09
/proc/27473/stat : 27473 (pbct) R 27471 27473 27421 0 -1 4202496 1681 0 0 0 280 29 0 0 25 0 1 0 88855671 8028160 1600 1992294400 134512640 136421960 4292681776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27473/statm: 1960 1600 213 467 0 1491 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7840

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

[startup+3.90166 s]
/proc/loadavg: 0.15 0.03 0.01 2/107 27474
/proc/meminfo: memFree=1808136/2059040 swapFree=4140412/4192956
[pid=27473] ppid=27471 vsize=7968 CPUtime=3.89
/proc/27473/stat : 27473 (pbct) R 27471 27473 27421 0 -1 4202496 1689 0 0 0 353 36 0 0 25 0 1 0 88855671 8159232 1608 1992294400 134512640 136421960 4292681776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27473/statm: 1992 1608 213 467 0 1523 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 7968

[startup+4.30169 s]
/proc/loadavg: 0.15 0.03 0.01 2/107 27474
/proc/meminfo: memFree=1808136/2059040 swapFree=4140412/4192956
[pid=27473] ppid=27471 vsize=7968 CPUtime=4.3
/proc/27473/stat : 27473 (pbct) R 27471 27473 27421 0 -1 4202496 1690 0 0 0 391 39 0 0 25 0 1 0 88855671 8159232 1609 1992294400 134512640 136421960 4292681776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27473/statm: 1992 1609 213 467 0 1523 0
Current children cumulated CPU time (s) 4.3
Current children cumulated vsize (KiB) 7968

[startup+4.4087 s]
/proc/loadavg: 0.15 0.03 0.01 2/107 27474
/proc/meminfo: memFree=1808136/2059040 swapFree=4140412/4192956
[pid=27473] ppid=27471 vsize=7968 CPUtime=4.39
/proc/27473/stat : 27473 (pbct) R 27471 27473 27421 0 -1 4202496 1690 0 0 0 400 39 0 0 25 0 1 0 88855671 8159232 1609 1992294400 134512640 136421960 4292681776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27473/statm: 1992 1609 213 467 0 1523 0
Current children cumulated CPU time (s) 4.39
Current children cumulated vsize (KiB) 7968

Child status: 0
Real time (s): 4.46005
CPU time (s): 4.45832
CPU user time (s): 4.05138
CPU system time (s): 0.406938
CPU usage (%): 99.9613
Max. virtual memory (cumulated for all children) (KiB): 7968

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.05138
system time used= 0.406938
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1717
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= 55

runsolver used 0.011998 second user time and 0.027995 second system time

The end

Launcher Data 

Begin job on node041 at 2010-06-25 16:20:30
IDJOB=2682447
IDBENCH=1185
IDSOLVER=1192
FILE ID=node041/2682447-1277475630
PBS_JOBID= 11190504
Free space on /tmp= 61676 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111226241.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682447-1277475630/watcher-2682447-1277475630 -o /tmp/evaluation-result-2682447-1277475630/solver-2682447-1277475630 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682447-1277475630.opb

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

MD5SUM BENCH= b7b312369c912d9a28d0c332b741ce41
RANDOM SEED=311138476

node041.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		: 3000.251
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		: 3000.251
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	: 5599.48
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1814624 kB
Buffers:         34652 kB
Cached:         113176 kB
SwapCached:       5276 kB
Active:          66804 kB
Inactive:        93940 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1814624 kB
SwapTotal:     4192956 kB
SwapFree:      4140412 kB
Dirty:            2164 kB
Writeback:           0 kB
AnonPages:       11520 kB
Mapped:          11960 kB
Slab:            61816 kB
PageTables:       4176 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180644 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= 61672 MiB
End job on node041 at 2010-06-25 16:20:35