Trace number 1542913

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
hybridGM7 7SAT 5.9501 5.95195

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/560/
unif-k3-r4.25-v560-c2380-S844931093-069.cnf
MD5SUM589832b31b8f1cb4096063d76e2202cf
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.066989
Satisfiable
(Un)Satisfiability was proved
Number of variables560
Number of clauses2380
Sum of the clauses size7140
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 32380
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.03	c Heuristic: AdaptG2WSAT 
0.00/0.03	c Hybrid barrier : 1 
0.00/0.03	c Problem instance: numAtoms = 560, numClauses = 2380, numLiterals = 7140
0.00/0.03	c General parameters: seed=340955110, cutoff=1000000000, targetCost = 0, print solution: yes
0.00/0.03	c gNovelty+ parameters: noise = 0, walkprob = 1, smoothprob = 33
0.00/0.03	c tries = 1
0.00/0.03	c 
5.90/5.94	c gNovelty+ (M  43 )
5.90/5.94	s SATISFIABLE
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5.90/5.95	c Done in 5.910000 seconds

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:489) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1542913-1238579282/watcher-1542913-1238579282 -o /tmp/evaluation-result-1542913-1238579282/solver-1542913-1238579282 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hybridGM7 HOME/instance-1542913-1238579282.cnf 340955110 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1800 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: 0.94 0.98 0.99 3/64 20689
/proc/meminfo: memFree=1378792/2055920 swapFree=4177944/4192956
[pid=20689] ppid=20687 vsize=260600 CPUtime=0
/proc/20689/stat : 20689 (hybridGM7) R 20687 20689 20390 0 -1 4194304 787 0 0 0 0 0 0 0 18 0 1 0 1130593429 266854400 771 1992294400 134512640 135204385 4294956224 18446744073709551615 134542712 0 0 4096 0 0 0 0 17 1 0 0
/proc/20689/statm: 65150 777 55 168 0 64980 0

[startup+0.016495 s]
/proc/loadavg: 0.94 0.98 0.99 3/64 20689
/proc/meminfo: memFree=1378792/2055920 swapFree=4177944/4192956
[pid=20689] ppid=20687 vsize=268412 CPUtime=0
/proc/20689/stat : 20689 (hybridGM7) R 20687 20689 20390 0 -1 4194304 1690 0 0 0 0 0 0 0 18 0 1 0 1130593429 274853888 1673 1992294400 134512640 135204385 4294956224 18446744073709551615 134543223 0 0 4096 0 0 0 0 17 1 0 0
/proc/20689/statm: 67103 1677 57 168 0 66933 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 268412

[startup+0.101498 s]
/proc/loadavg: 0.94 0.98 0.99 3/64 20689
/proc/meminfo: memFree=1378792/2055920 swapFree=4177944/4192956
[pid=20689] ppid=20687 vsize=268416 CPUtime=0.09
/proc/20689/stat : 20689 (hybridGM7) R 20687 20689 20390 0 -1 4194304 4561 0 0 0 8 1 0 0 18 0 1 0 1130593429 274857984 4544 1992294400 134512640 135204385 4294956224 18446744073709551615 134537320 0 0 4096 0 0 0 0 17 1 0 0
/proc/20689/statm: 67104 4544 64 168 0 66934 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 268416

[startup+0.30151 s]
/proc/loadavg: 0.94 0.98 0.99 3/64 20689
/proc/meminfo: memFree=1378792/2055920 swapFree=4177944/4192956
[pid=20689] ppid=20687 vsize=268816 CPUtime=0.29
/proc/20689/stat : 20689 (hybridGM7) R 20687 20689 20390 0 -1 4194304 4737 0 0 0 28 1 0 0 19 0 1 0 1130593429 275267584 4720 1992294400 134512640 135204385 4294956224 18446744073709551615 134537539 0 0 4096 0 0 0 0 17 1 0 0
/proc/20689/statm: 67204 4720 85 168 0 67034 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 268816

[startup+0.701536 s]
/proc/loadavg: 0.94 0.98 0.99 3/64 20689
/proc/meminfo: memFree=1378792/2055920 swapFree=4177944/4192956
[pid=20689] ppid=20687 vsize=268516 CPUtime=0.69
/proc/20689/stat : 20689 (hybridGM7) R 20687 20689 20390 0 -1 4194304 4738 0 0 0 68 1 0 0 22 0 1 0 1130593429 274960384 4660 1992294400 134512640 135204385 4294956224 18446744073709551615 134536663 0 0 4096 0 0 0 0 17 1 0 0
/proc/20689/statm: 67129 4660 85 168 0 66959 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 268516

[startup+1.50159 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 20690
/proc/meminfo: memFree=1360096/2055920 swapFree=4177944/4192956
[pid=20689] ppid=20687 vsize=268796 CPUtime=1.49
/proc/20689/stat : 20689 (hybridGM7) R 20687 20689 20390 0 -1 4194304 4977 0 0 0 148 1 0 0 25 0 1 0 1130593429 275247104 4720 1992294400 134512640 135204385 4294956224 18446744073709551615 134546059 0 0 4096 0 0 0 0 17 1 0 0
/proc/20689/statm: 67199 4720 85 168 0 67029 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 268796

[startup+3.10169 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 20690
/proc/meminfo: memFree=1359968/2055920 swapFree=4177944/4192956
[pid=20689] ppid=20687 vsize=268788 CPUtime=3.09
/proc/20689/stat : 20689 (hybridGM7) R 20687 20689 20390 0 -1 4194304 5244 0 0 0 308 1 0 0 25 0 1 0 1130593429 275238912 4727 1992294400 134512640 135204385 4294956224 18446744073709551615 134537123 0 0 4096 0 0 0 0 17 1 0 0
/proc/20689/statm: 67197 4727 85 168 0 67027 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 268788

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

[startup+4.70179 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 20690
/proc/meminfo: memFree=1360032/2055920 swapFree=4177944/4192956
[pid=20689] ppid=20687 vsize=268832 CPUtime=4.69
/proc/20689/stat : 20689 (hybridGM7) R 20687 20689 20390 0 -1 4194304 5587 0 0 0 468 1 0 0 25 0 1 0 1130593429 275283968 4733 1992294400 134512640 135204385 4294956224 18446744073709551615 134547428 0 0 4096 0 0 0 0 17 1 0 0
/proc/20689/statm: 67208 4733 85 168 0 67038 0
Current children cumulated CPU time (s) 4.69
Current children cumulated vsize (KiB) 268832

[startup+5.50584 s]
/proc/loadavg: 0.95 0.98 0.99 2/65 20690
/proc/meminfo: memFree=1359840/2055920 swapFree=4177944/4192956
[pid=20689] ppid=20687 vsize=268828 CPUtime=5.5
/proc/20689/stat : 20689 (hybridGM7) R 20687 20689 20390 0 -1 4194304 5613 0 0 0 548 2 0 0 25 0 1 0 1130593429 275279872 4737 1992294400 134512640 135204385 4294956224 18446744073709551615 134546270 0 0 4096 0 0 0 0 17 1 0 0
/proc/20689/statm: 67207 4737 85 168 0 67037 0
Current children cumulated CPU time (s) 5.5
Current children cumulated vsize (KiB) 268828

[startup+5.90286 s]
/proc/loadavg: 0.95 0.98 0.99 2/65 20690
/proc/meminfo: memFree=1359840/2055920 swapFree=4177944/4192956
[pid=20689] ppid=20687 vsize=268828 CPUtime=5.9
/proc/20689/stat : 20689 (hybridGM7) R 20687 20689 20390 0 -1 4194304 5614 0 0 0 588 2 0 0 25 0 1 0 1130593429 275279872 4738 1992294400 134512640 135204385 4294956224 18446744073709551615 134545853 0 0 4096 0 0 0 0 17 1 0 0
/proc/20689/statm: 67207 4738 85 168 0 67037 0
Current children cumulated CPU time (s) 5.9
Current children cumulated vsize (KiB) 268828

Child status: 10
Real time (s): 5.95195
CPU time (s): 5.9501
CPU user time (s): 5.9261
CPU system time (s): 0.023996
CPU usage (%): 99.9689
Max. virtual memory (cumulated for all children) (KiB): 268832

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.9261
system time used= 0.023996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5647
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= 2
involuntary context switches= 13

runsolver used 0.013997 second user time and 0.019996 second system time

The end

Launcher Data 

Begin job on node29 at 2009-04-01 11:48:02
IDJOB=1542913
IDBENCH=70682
IDSOLVER=535
FILE ID=node29/1542913-1238579282
PBS_JOBID= 9070531
Free space on /tmp= 66472 MiB

SOLVER NAME= hybridGM7 7
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/560/unif-k3-r4.25-v560-c2380-S844931093-069.cnf
COMMAND LINE= HOME/hybridGM7 BENCHNAME RANDOMSEED 
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1542913-1238579282/watcher-1542913-1238579282 -o /tmp/evaluation-result-1542913-1238579282/solver-1542913-1238579282 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hybridGM7 HOME/instance-1542913-1238579282.cnf 340955110 

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 589832b31b8f1cb4096063d76e2202cf
RANDOM SEED=340955110

node29.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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:       1379208 kB
Buffers:        101016 kB
Cached:         472208 kB
SwapCached:       8856 kB
Active:         209028 kB
Inactive:       374712 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1379208 kB
SwapTotal:     4192956 kB
SwapFree:      4177944 kB
Dirty:            1192 kB
Writeback:           0 kB
Mapped:          16228 kB
Slab:            78916 kB
Committed_AS:  3146548 kB
PageTables:       1476 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66468 MiB
End job on node29 at 2009-04-01 11:48:08