Trace number 2681376

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 9.33658 9.33901

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_500_25_1_15.opb
MD5SUM47b7632eb38157f4d5f97020bef38ed5
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 benchmark2.05569
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)31432
Sum of products size (including duplicates)62864
Number of different products15716
Sum of products size31432

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
0.29/0.31	c constraints 16718/0 clauses 16216/0 units 0
0.29/0.31	c vars 1000
7.09/7.14	c 6.63199 458.906 82 19541
7.09/7.14	s SATISFIABLE
7.09/7.14	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 -x185 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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-2681376-1277506146/watcher-2681376-1277506146 -o /tmp/evaluation-result-2681376-1277506146/solver-2681376-1277506146 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681376-1277506146.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: 0.90 0.99 0.99 3/106 29942
/proc/meminfo: memFree=1890676/2059040 swapFree=4139556/4192956
[pid=29942] ppid=29940 vsize=2268 CPUtime=0
/proc/29942/stat : 29942 (pbct) R 29940 29942 29834 0 -1 4202496 295 0 0 0 0 0 0 0 20 0 1 0 91905578 2322432 215 1992294400 134512640 136421960 4290613680 18446744073709551615 135717572 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29942/statm: 567 216 144 467 0 98 0

[startup+0.083436 s]
/proc/loadavg: 0.90 0.99 0.99 3/106 29942
/proc/meminfo: memFree=1890676/2059040 swapFree=4139556/4192956
[pid=29942] ppid=29940 vsize=4380 CPUtime=0.07
/proc/29942/stat : 29942 (pbct) R 29940 29942 29834 0 -1 4202496 811 0 0 0 7 0 0 0 20 0 1 0 91905578 4485120 731 1992294400 134512640 136421960 4290613680 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29942/statm: 1095 731 144 467 0 626 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 4380

[startup+0.10044 s]
/proc/loadavg: 0.90 0.99 0.99 3/106 29942
/proc/meminfo: memFree=1890676/2059040 swapFree=4139556/4192956
[pid=29942] ppid=29940 vsize=4776 CPUtime=0.09
/proc/29942/stat : 29942 (pbct) R 29940 29942 29834 0 -1 4202496 909 0 0 0 9 0 0 0 20 0 1 0 91905578 4890624 829 1992294400 134512640 136421960 4290613680 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29942/statm: 1194 829 144 467 0 725 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4776

[startup+0.300473 s]
/proc/loadavg: 0.90 0.99 0.99 3/106 29942
/proc/meminfo: memFree=1890676/2059040 swapFree=4139556/4192956
[pid=29942] ppid=29940 vsize=11320 CPUtime=0.29
/proc/29942/stat : 29942 (pbct) R 29940 29942 29834 0 -1 4202496 2560 0 0 0 28 1 0 0 20 0 1 0 91905578 11591680 2480 1992294400 134512640 136421960 4290613680 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29942/statm: 2830 2480 145 467 0 2361 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11320

[startup+0.700539 s]
/proc/loadavg: 0.90 0.99 0.99 3/106 29942
/proc/meminfo: memFree=1890676/2059040 swapFree=4139556/4192956
[pid=29942] ppid=29940 vsize=49776 CPUtime=0.69
/proc/29942/stat : 29942 (pbct) R 29940 29942 29834 0 -1 4202496 12361 0 0 0 65 4 0 0 20 0 1 0 91905578 50970624 11808 1992294400 134512640 136421960 4290613680 18446744073709551615 135809865 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29942/statm: 12444 11809 188 467 0 11975 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 49776

[startup+1.50067 s]
/proc/loadavg: 0.90 0.99 0.99 2/107 29943
/proc/meminfo: memFree=1819988/2059040 swapFree=4139556/4192956
[pid=29942] ppid=29940 vsize=107684 CPUtime=1.49
/proc/29942/stat : 29942 (pbct) R 29940 29942 29834 0 -1 4202496 27901 0 0 0 139 10 0 0 22 0 1 0 91905578 110268416 26349 1992294400 134512640 136421960 4290613680 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29942/statm: 26921 26349 193 467 0 26452 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 107684

[startup+3.10094 s]
/proc/loadavg: 0.91 0.99 0.99 2/107 29943
/proc/meminfo: memFree=1746952/2059040 swapFree=4139556/4192956
[pid=29942] ppid=29940 vsize=211540 CPUtime=3.09
/proc/29942/stat : 29942 (pbct) R 29940 29942 29834 0 -1 4202496 55663 0 0 0 287 22 0 0 25 0 1 0 91905578 216616960 52442 1992294400 134512640 136421960 4290613680 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29942/statm: 52885 52442 193 467 0 52416 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 211540

[startup+6.30048 s]
/proc/loadavg: 0.91 0.99 0.99 2/107 29943
/proc/meminfo: memFree=1484568/2059040 swapFree=4139556/4192956
[pid=29942] ppid=29940 vsize=457904 CPUtime=6.29
/proc/29942/stat : 29942 (pbct) R 29940 29942 29834 0 -1 4202496 119723 0 0 0 582 47 0 0 25 0 1 0 91905578 468893696 110483 1992294400 134512640 136421960 4290613680 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29942/statm: 114509 110485 208 467 0 114040 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 457904

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

[startup+7.90175 s]
/proc/loadavg: 0.91 0.99 0.99 2/107 29943
/proc/meminfo: memFree=1454808/2059040 swapFree=4139556/4192956
[pid=29942] ppid=29940 vsize=445608 CPUtime=7.89
/proc/29942/stat : 29942 (pbct) R 29940 29942 29834 0 -1 4202496 122647 0 0 0 738 51 0 0 25 0 1 0 91905578 456302592 108710 1992294400 134512640 136421960 4290613680 18446744073709551615 135806084 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29942/statm: 111402 108710 239 467 0 110933 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 445608

[startup+8.70188 s]
/proc/loadavg: 0.91 0.99 0.99 2/107 29943
/proc/meminfo: memFree=1466960/2059040 swapFree=4139556/4192956
[pid=29942] ppid=29940 vsize=432624 CPUtime=8.7
/proc/29942/stat : 29942 (pbct) R 29940 29942 29834 0 -1 4202496 122647 0 0 0 819 51 0 0 25 0 1 0 91905578 443006976 105678 1992294400 134512640 136421960 4290613680 18446744073709551615 135801307 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29942/statm: 108156 105678 239 467 0 107687 0
Current children cumulated CPU time (s) 8.7
Current children cumulated vsize (KiB) 432624

[startup+9.10195 s]
/proc/loadavg: 0.91 0.99 0.99 2/107 29943
/proc/meminfo: memFree=1466960/2059040 swapFree=4139556/4192956
[pid=29942] ppid=29940 vsize=423660 CPUtime=9.09
/proc/29942/stat : 29942 (pbct) R 29940 29942 29834 0 -1 4202496 122647 0 0 0 858 51 0 0 25 0 1 0 91905578 433827840 104024 1992294400 134512640 136421960 4290613680 18446744073709551615 134585784 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29942/statm: 105915 104024 239 467 0 105446 0
Current children cumulated CPU time (s) 9.09
Current children cumulated vsize (KiB) 423660

[startup+9.30198 s]
/proc/loadavg: 0.91 0.99 0.99 2/107 29943
/proc/meminfo: memFree=1466960/2059040 swapFree=4139556/4192956
[pid=29942] ppid=29940 vsize=0 CPUtime=9.29
/proc/29942/stat : 29942 (pbct) R 29940 29942 29834 0 -1 4202500 122648 0 0 0 877 52 0 0 25 0 1 0 91905578 0 0 1992294400 0 0 0 0 0 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/29942/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 9.29
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 9.33901
CPU time (s): 9.33658
CPU user time (s): 8.77867
CPU system time (s): 0.557915
CPU usage (%): 99.974
Max. virtual memory (cumulated for all children) (KiB): 469916

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 8.77867
system time used= 0.557915
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 122648
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= 11

runsolver used 0.018997 second user time and 0.049992 second system time

The end

Launcher Data 

Begin job on node055 at 2010-06-26 00:49:06
IDJOB=2681376
IDBENCH=48370
IDSOLVER=1192
FILE ID=node055/2681376-1277506146
PBS_JOBID= 11190628
Free space on /tmp= 62360 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_500_25_1_15.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2681376-1277506146/watcher-2681376-1277506146 -o /tmp/evaluation-result-2681376-1277506146/solver-2681376-1277506146 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681376-1277506146.opb

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

MD5SUM BENCH= 47b7632eb38157f4d5f97020bef38ed5
RANDOM SEED=1896300061

node055.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		: 3000.258
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	: 6000.51
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		: 3000.258
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	: 5599.44
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1891080 kB
Buffers:         16608 kB
Cached:          65680 kB
SwapCached:       5924 kB
Active:          63956 kB
Inactive:        30816 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1891080 kB
SwapTotal:     4192956 kB
SwapFree:      4139556 kB
Dirty:            2580 kB
Writeback:           0 kB
AnonPages:       11260 kB
Mapped:          11896 kB
Slab:            51344 kB
PageTables:       4208 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182844 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= 62360 MiB
End job on node055 at 2010-06-26 00:49:16