Trace number 366491

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, and are wall clock time (not CPU 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
PBS4 2007-03-23OPT4 7.15091 7.15365

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB06/
manquiho/logic_synthesis/normalized-rd73.b.opb
MD5SUMdfce4275740b480be21a5dfa4d39780e
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark4
Best CPU time to get the best result obtained on this benchmark0.093984
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 4
Optimality of the best value was proved YES
Number of variables220
Total number of constraints515
Number of constraints which are clauses515
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 constraint5
Maximum length of a constraint109
Number of terms in the objective function 220
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 220
Number of bits of the sum of numbers in the objective function 8
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 220
Number of bits of the biggest sum of numbers8
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 (download as text)

0.00/0.00	c PBS v4 by Bashar Al-Rawi & Fadi Aloul
0.00/0.00	c Solving /tmp/evaluation/366491-1177062224/instance-366491-1177062224.opb ......
0.01/0.03	c done parsing opb.
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7.09/7.15	o 4
7.09/7.15	s OPTIMUM FOUND
7.09/7.15	c Total Run Time					7.11792
7.09/7.15	v -x1 -x10 -x100 -x101 -x102 -x103 -x104 -x105 -x106 -x107 -x108 -x109 -x11 -x110 -x111 -x112 -x113 -x114 -x115 -x116 -x117
7.09/7.15	v -x118 -x119 -x12 -x120 -x121 -x122 -x123 -x124 -x125 -x126 -x127 -x128 -x129 -x13 -x130 -x131 -x132 -x133 -x134 -x135 -x136
7.09/7.15	v -x137 -x138 -x139 x14 -x140 -x141 x142 -x143 -x144 -x145 -x146 -x147 -x148 -x149 -x15 -x150 -x151 -x152 -x153 -x154 -x155
7.09/7.15	v -x156 -x157 -x158 -x159 -x16 -x160 -x161 -x162 -x163 -x164 -x165 -x166 -x167 x168 -x169 -x17 -x170 -x171 -x172 -x173 -x174
7.09/7.15	v -x175 -x176 -x177 -x178 -x179 -x18 -x180 -x181 -x182 -x183 -x184 -x185 -x186 -x187 -x188 -x189 -x19 -x190 -x191 -x192 -x193
7.09/7.15	v -x194 -x195 -x196 -x197 -x198 x199 -x2 -x20 -x200 -x201 -x202 -x203 -x204 -x205 -x206 -x207 -x208 -x209 -x21 -x210 -x211 -x212
7.09/7.15	v -x213 -x214 -x215 -x216 -x217 -x218 -x219 -x22 -x220 -x23 -x24 -x25 -x26 -x27 -x28 -x29 -x3 -x30 -x31 -x32 -x33 -x34 -x35 -x36
7.09/7.15	v -x37 -x38 -x39 -x4 -x40 -x41 -x42 -x43 -x44 -x45 -x46 -x47 -x48 -x49 -x5 -x50 -x51 -x52 -x53 -x54 -x55 -x56 -x57 -x58 -x59 -x6
7.09/7.15	v -x60 -x61 -x62 -x63 -x64 -x65 -x66 -x67 -x68 -x69 -x7 -x70 -x71 -x72 -x73 -x74 -x75 -x76 -x77 -x78 -x79 -x8 -x80 -x81 -x82 -x83
7.09/7.15	v -x84 -x85 -x86 -x87 -x88 -x89 -x9 -x90 -x91 -x92 -x93 -x94 -x95 -x96 -x97 -x98 -x99

Verifier Data (download as text)

OK	4

Conversion Script Data (download as text)

/tmp/evaluation/366491-1177062224/instance-366491-1177062224.opb is already a linear file

Watcher Data (download as text)

runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node54/watcher-366491-1177062224 -o ROOT/results/node54/solver-366491-1177062224 -C 1800 -W 3600 -M 1800 --output-limit 1,15 /tmp/evaluation/366491-1177062224/PBS4 /tmp/evaluation/366491-1177062224/instance-366491-1177062224.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): 3600 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.80 0.94 0.98 3/66 2552
/proc/meminfo: memFree=1612152/2055920 swapFree=4182036/4192956
[pid=2552] ppid=2550 vsize=1324 CPUtime=0
/proc/2552/stat : 2552 (PBS4) R 2550 2552 2382 0 -1 4194304 134 0 0 0 0 0 0 0 18 0 1 0 153596862 1355776 116 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134797988 0 0 4096 0 0 0 0 17 1 0 0
/proc/2552/statm: 331 116 87 219 0 108 0

[startup+0.0211741 s]
/proc/loadavg: 0.80 0.94 0.98 3/66 2552
/proc/meminfo: memFree=1612152/2055920 swapFree=4182036/4192956
[pid=2552] ppid=2550 vsize=1324 CPUtime=0.01
/proc/2552/stat : 2552 (PBS4) R 2550 2552 2382 0 -1 4194304 154 0 0 0 1 0 0 0 18 0 1 0 153596862 1355776 136 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135057389 0 0 4096 0 0 0 0 17 1 0 0
/proc/2552/statm: 331 136 87 219 0 108 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 1324

[startup+0.101184 s]
/proc/loadavg: 0.80 0.94 0.98 3/66 2552
/proc/meminfo: memFree=1612152/2055920 swapFree=4182036/4192956
[pid=2552] ppid=2550 vsize=1452 CPUtime=0.09
/proc/2552/stat : 2552 (PBS4) R 2550 2552 2382 0 -1 4194304 217 0 0 0 8 1 0 0 18 0 1 0 153596862 1486848 199 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2552/statm: 363 199 102 219 0 140 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1452

[startup+0.301209 s]
/proc/loadavg: 0.80 0.94 0.98 3/66 2552
/proc/meminfo: memFree=1612152/2055920 swapFree=4182036/4192956
[pid=2552] ppid=2550 vsize=1608 CPUtime=0.29
/proc/2552/stat : 2552 (PBS4) R 2550 2552 2382 0 -1 4194304 257 0 0 0 28 1 0 0 19 0 1 0 153596862 1646592 239 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2552/statm: 402 239 102 219 0 179 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1608

[startup+0.701259 s]
/proc/loadavg: 0.80 0.94 0.98 3/66 2552
/proc/meminfo: memFree=1612152/2055920 swapFree=4182036/4192956
[pid=2552] ppid=2550 vsize=1864 CPUtime=0.69
/proc/2552/stat : 2552 (PBS4) R 2550 2552 2382 0 -1 4194304 305 0 0 0 67 2 0 0 22 0 1 0 153596862 1908736 287 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134547546 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2552/statm: 466 287 103 219 0 243 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 1864

[startup+1.50136 s]
/proc/loadavg: 0.80 0.94 0.98 2/67 2553
/proc/meminfo: memFree=1611120/2055920 swapFree=4182036/4192956
[pid=2552] ppid=2550 vsize=2376 CPUtime=1.49
/proc/2552/stat : 2552 (PBS4) R 2550 2552 2382 0 -1 4194304 404 0 0 0 147 2 0 0 25 0 1 0 153596862 2433024 386 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2552/statm: 594 386 103 219 0 371 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 2376

[startup+3.10157 s]
/proc/loadavg: 0.80 0.94 0.98 2/67 2553
/proc/meminfo: memFree=1610416/2055920 swapFree=4182036/4192956
[pid=2552] ppid=2550 vsize=3732 CPUtime=3.09
/proc/2552/stat : 2552 (PBS4) R 2550 2552 2382 0 -1 4194304 596 0 0 0 307 2 0 0 25 0 1 0 153596862 3821568 578 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134547259 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2552/statm: 933 578 103 219 0 710 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 3732

[startup+6.30197 s]
/proc/loadavg: 0.81 0.94 0.98 2/67 2553
/proc/meminfo: memFree=1609264/2055920 swapFree=4182036/4192956
[pid=2552] ppid=2550 vsize=4192 CPUtime=6.29
/proc/2552/stat : 2552 (PBS4) R 2550 2552 2382 0 -1 4194304 901 0 0 0 625 4 0 0 25 0 1 0 153596862 4292608 834 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2552/statm: 1048 834 104 219 0 825 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 4192

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

[startup+6.70202 s]
/proc/loadavg: 0.81 0.94 0.98 2/67 2553
/proc/meminfo: memFree=1609008/2055920 swapFree=4182036/4192956
[pid=2552] ppid=2550 vsize=4324 CPUtime=6.69
/proc/2552/stat : 2552 (PBS4) R 2550 2552 2382 0 -1 4194304 922 0 0 0 665 4 0 0 25 0 1 0 153596862 4427776 855 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2552/statm: 1081 855 104 219 0 858 0
Current children cumulated CPU time (s) 6.69
Current children cumulated vsize (KiB) 4324

[startup+7.10107 s]
/proc/loadavg: 0.81 0.94 0.98 2/67 2553
/proc/meminfo: memFree=1609008/2055920 swapFree=4182036/4192956
[pid=2552] ppid=2550 vsize=4324 CPUtime=7.09
/proc/2552/stat : 2552 (PBS4) R 2550 2552 2382 0 -1 4194304 930 0 0 0 705 4 0 0 25 0 1 0 153596862 4427776 863 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2552/statm: 1081 863 104 219 0 858 0
Current children cumulated CPU time (s) 7.09
Current children cumulated vsize (KiB) 4324

Child status: 0
Real time (s): 7.15365
CPU time (s): 7.15091
CPU user time (s): 7.10192
CPU system time (s): 0.048992
CPU usage (%): 99.9618
Max. virtual memory (cumulated for all children) (KiB): 4324

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.10192
system time used= 0.048992
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 937
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= 8
involuntary context switches= 12

runsolver used 0.013997 second user time and 0.024996 second system time

The end

Launcher Data (download as text)

Begin job on node54 on Fri Apr 20 09:43:44 UTC 2007

IDJOB= 366491
IDBENCH= 2864
IDSOLVER= 157
FILE ID= node54/366491-1177062224

PBS_JOBID= 4640235

Free space on /tmp= 66339 MiB

SOLVER NAME= PBS4 2007-03-23
BENCH NAME= HOME/pub/bench/PB06/final/normalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/logic_synthesis/normalized-rd73.b.opb
COMMAND LINE= /tmp/evaluation/366491-1177062224/PBS4 /tmp/evaluation/366491-1177062224/instance-366491-1177062224.opb            
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node54/convwatcher-366491-1177062224 -o ROOT/results/node54/conversion-366491-1177062224 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/366491-1177062224/instance-366491-1177062224.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node54/watcher-366491-1177062224 -o ROOT/results/node54/solver-366491-1177062224 -C 1800 -W 3600 -M 1800 --output-limit 1,15  /tmp/evaluation/366491-1177062224/PBS4 /tmp/evaluation/366491-1177062224/instance-366491-1177062224.opb            

META MD5SUM SOLVER= b6c24e28fef9e1efa7891be58ea9e46f
MD5SUM BENCH=  dfce4275740b480be21a5dfa4d39780e

RANDOM SEED= 792907702

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node54.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.234
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
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		: 3000.234
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1612624 kB
Buffers:         35424 kB
Cached:         336436 kB
SwapCached:       3840 kB
Active:          81836 kB
Inactive:       299452 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1612624 kB
SwapTotal:     4192956 kB
SwapFree:      4182036 kB
Dirty:            1452 kB
Writeback:           0 kB
Mapped:          15432 kB
Slab:            48012 kB
Committed_AS:  2153572 kB
PageTables:       1412 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66339 MiB

End job on node54 on Fri Apr 20 09:43:51 UTC 2007