Trace number 1722118

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
Hybrid2 2009-03-22SAT 12.873 12.8751

General information on the benchmark

NameAPPLICATIONS/satComp09_BioInstances/
rpoc_xits_17_SAT.cnf
MD5SUM4607e45ceb8682e35172b7d697608fbf
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.152976
Satisfiable
(Un)Satisfiability was proved
Number of variables2718
Number of clauses215000
Sum of the clauses size641260
Maximum clause length18
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 24085
Number of clauses of size 3210892
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 523

Solver Data 

12.79/12.87	c try 1 flip j 22997
12.79/12.87	c A solution is found
12.79/12.87	s SATISFIABLE
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12.79/12.87	v 0 
12.79/12.87	c Done (mycputime is 0.420 seconds)

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1722118-1240672833/watcher-1722118-1240672833 -o /tmp/evaluation-result-1722118-1240672833/solver-1722118-1240672833 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/Hybrid2 HOME/instance-1722118-1240672833.cnf 1090615713 

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: 1.00 1.00 1.00 3/64 19394
/proc/meminfo: memFree=1782480/2055920 swapFree=4180920/4192956
[pid=19394] ppid=19392 vsize=450944 CPUtime=0
/proc/19394/stat : 19394 (Hybrid2) R 19392 19394 19018 0 -1 4194304 118 0 0 0 0 0 0 0 18 0 1 0 95316249 461766656 103 1992294400 134512640 135106774 4294956208 18446744073709551615 134633838 0 0 4096 0 0 0 0 17 1 0 0
/proc/19394/statm: 112736 104 53 145 0 111612 0

[startup+0.0572581 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 19394
/proc/meminfo: memFree=1782480/2055920 swapFree=4180920/4192956
[pid=19394] ppid=19392 vsize=452000 CPUtime=0.05
/proc/19394/stat : 19394 (Hybrid2) R 19392 19394 19018 0 -1 4194304 488 0 0 0 5 0 0 0 18 0 1 0 95316249 462848000 473 1992294400 134512640 135106774 4294956208 18446744073709551615 134612774 0 0 4096 0 0 0 0 17 1 0 0
/proc/19394/statm: 113000 473 53 145 0 111876 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 452000

[startup+0.101262 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 19394
/proc/meminfo: memFree=1782480/2055920 swapFree=4180920/4192956
[pid=19394] ppid=19392 vsize=452792 CPUtime=0.09
/proc/19394/stat : 19394 (Hybrid2) R 19392 19394 19018 0 -1 4194304 803 0 0 0 9 0 0 0 18 0 1 0 95316249 463659008 788 1992294400 134512640 135106774 4294956208 18446744073709551615 134612774 0 0 4096 0 0 0 0 17 1 0 0
/proc/19394/statm: 113198 788 53 145 0 112074 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 452792

[startup+0.301282 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 19394
/proc/meminfo: memFree=1782480/2055920 swapFree=4180920/4192956
[pid=19394] ppid=19392 vsize=465196 CPUtime=0.29
/proc/19394/stat : 19394 (Hybrid2) R 19392 19394 19018 0 -1 4194304 4513 0 0 0 28 1 0 0 20 0 1 0 95316249 476360704 4497 1992294400 134512640 135106774 4294956208 18446744073709551615 134519724 0 0 4096 0 0 0 0 17 1 0 0
/proc/19394/statm: 116299 4497 53 145 0 115175 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 465196

[startup+0.701322 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 19394
/proc/meminfo: memFree=1782480/2055920 swapFree=4180920/4192956
[pid=19394] ppid=19392 vsize=465196 CPUtime=0.69
/proc/19394/stat : 19394 (Hybrid2) R 19392 19394 19018 0 -1 4194304 4513 0 0 0 68 1 0 0 23 0 1 0 95316249 476360704 4497 1992294400 134512640 135106774 4294956208 18446744073709551615 134523923 0 0 4096 0 0 0 0 17 1 0 0
/proc/19394/statm: 116299 4497 53 145 0 115175 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 465196

[startup+1.5014 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19395
/proc/meminfo: memFree=1764552/2055920 swapFree=4180920/4192956
[pid=19394] ppid=19392 vsize=465196 CPUtime=1.49
/proc/19394/stat : 19394 (Hybrid2) R 19392 19394 19018 0 -1 4194304 4513 0 0 0 148 1 0 0 25 0 1 0 95316249 476360704 4497 1992294400 134512640 135106774 4294956208 18446744073709551615 134523976 0 0 4096 0 0 0 0 17 1 0 0
/proc/19394/statm: 116299 4497 53 145 0 115175 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 465196

[startup+3.10157 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19395
/proc/meminfo: memFree=1764424/2055920 swapFree=4180920/4192956
[pid=19394] ppid=19392 vsize=465196 CPUtime=3.09
/proc/19394/stat : 19394 (Hybrid2) R 19392 19394 19018 0 -1 4194304 4513 0 0 0 308 1 0 0 25 0 1 0 95316249 476360704 4497 1992294400 134512640 135106774 4294956208 18446744073709551615 134524005 0 0 4096 0 0 0 0 17 1 0 0
/proc/19394/statm: 116299 4497 53 145 0 115175 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 465196

[startup+6.30189 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19395
/proc/meminfo: memFree=1764168/2055920 swapFree=4180920/4192956
[pid=19394] ppid=19392 vsize=465196 CPUtime=6.29
/proc/19394/stat : 19394 (Hybrid2) R 19392 19394 19018 0 -1 4194304 4513 0 0 0 627 2 0 0 25 0 1 0 95316249 476360704 4497 1992294400 134512640 135106774 4294956208 18446744073709551615 134523949 0 0 4096 0 0 0 0 17 1 0 0
/proc/19394/statm: 116299 4497 53 145 0 115175 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 465196

[startup+12.7015 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19395
/proc/meminfo: memFree=1764168/2055920 swapFree=4180920/4192956
[pid=19394] ppid=19392 vsize=470416 CPUtime=12.69
/proc/19394/stat : 19394 (Hybrid2) R 19392 19394 19018 0 -1 4194304 5579 0 0 0 1267 2 0 0 25 0 1 0 95316249 481705984 5563 1992294400 134512640 135106774 4294956208 18446744073709551615 134528666 0 0 4096 0 0 0 0 17 1 0 0
/proc/19394/statm: 117604 5563 56 145 0 116480 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 470416

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

[startup+12.8025 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19395
/proc/meminfo: memFree=1764168/2055920 swapFree=4180920/4192956
[pid=19394] ppid=19392 vsize=470416 CPUtime=12.79
/proc/19394/stat : 19394 (Hybrid2) R 19392 19394 19018 0 -1 4194304 5579 0 0 0 1277 2 0 0 25 0 1 0 95316249 481705984 5563 1992294400 134512640 135106774 4294956208 18446744073709551615 134526862 0 0 4096 0 0 0 0 17 1 0 0
/proc/19394/statm: 117604 5563 56 145 0 116480 0
Current children cumulated CPU time (s) 12.79
Current children cumulated vsize (KiB) 470416

Child status: 10
Real time (s): 12.8751
CPU time (s): 12.873
CPU user time (s): 12.844
CPU system time (s): 0.028995
CPU usage (%): 99.984
Max. virtual memory (cumulated for all children) (KiB): 470416

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 12.844
system time used= 0.028995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5597
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= 31

runsolver used 0.017997 second user time and 0.035994 second system time

The end

Launcher Data 

Begin job on node27 at 2009-04-25 17:20:33
IDJOB=1722118
IDBENCH=71083
IDSOLVER=530
FILE ID=node27/1722118-1240672833
PBS_JOBID= 9186597
Free space on /tmp= 66192 MiB

SOLVER NAME= Hybrid2 2009-03-22
BENCH NAME= SAT09/APPLICATIONS/satComp09_BioInstances/rpoc_xits_17_SAT.cnf
COMMAND LINE= HOME/Hybrid2 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1722118-1240672833/watcher-1722118-1240672833 -o /tmp/evaluation-result-1722118-1240672833/solver-1722118-1240672833 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/Hybrid2 HOME/instance-1722118-1240672833.cnf 1090615713

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

MD5SUM BENCH= 4607e45ceb8682e35172b7d697608fbf
RANDOM SEED=1090615713

node27.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		: 2800.234
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	: 5521.40
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		: 2800.234
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:       1782896 kB
Buffers:         24672 kB
Cached:         182504 kB
SwapCached:       4848 kB
Active:          83672 kB
Inactive:       131388 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1782896 kB
SwapTotal:     4192956 kB
SwapFree:      4180920 kB
Dirty:            8208 kB
Writeback:           0 kB
Mapped:          14072 kB
Slab:            43856 kB
Committed_AS:   322536 kB
PageTables:       1372 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264948 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66188 MiB
End job on node27 at 2009-04-25 17:20:46