Trace number 1561338

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 136.322 136.371

General information on the benchmark

NameCRAFTED/edgematching/
compact/em_8_4_5_cmp.cnf
MD5SUM0b9eae71c375cb5515f5dd7953424584
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark136.322
Satisfiable
(Un)Satisfiability was proved
Number of variables2420
Number of clauses22340
Sum of the clauses size74788
Maximum clause length36
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 23164
Number of clauses of size 313968
Number of clauses of size 42628
Number of clauses of size 52460
Number of clauses of size over 5120

Solver Data 

136.25/136.37	c try 1 flip j 41909487
136.25/136.37	c A solution is found
136.25/136.37	s SATISFIABLE
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136.25/136.37	v 0 
136.25/136.37	c Done (mycputime is 136.140 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-1561338-1238765313/watcher-1561338-1238765313 -o /tmp/evaluation-result-1561338-1238765313/solver-1561338-1238765313 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/Hybrid2 HOME/instance-1561338-1238765313.cnf 929096412 

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: 1.04 1.01 1.00 3/64 23838
/proc/meminfo: memFree=1843904/2055920 swapFree=4175700/4192956
[pid=23838] ppid=23836 vsize=450944 CPUtime=0
/proc/23838/stat : 23838 (Hybrid2) R 23836 23838 23150 0 -1 4194304 109 0 0 0 0 0 0 0 18 0 1 0 1149196558 461766656 94 1992294400 134512640 135106774 4294956208 18446744073709551615 134612774 0 0 4096 0 0 0 0 17 1 0 0
/proc/23838/statm: 112736 94 53 145 0 111612 0

[startup+0.029924 s]
/proc/loadavg: 1.04 1.01 1.00 3/64 23838
/proc/meminfo: memFree=1843904/2055920 swapFree=4175700/4192956
[pid=23838] ppid=23836 vsize=451340 CPUtime=0.02
/proc/23838/stat : 23838 (Hybrid2) R 23836 23838 23150 0 -1 4194304 270 0 0 0 2 0 0 0 18 0 1 0 1149196558 462172160 255 1992294400 134512640 135106774 4294956208 18446744073709551615 134612774 0 0 4096 0 0 0 0 17 1 0 0
/proc/23838/statm: 112835 256 53 145 0 111711 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 451340

[startup+0.101933 s]
/proc/loadavg: 1.04 1.01 1.00 3/64 23838
/proc/meminfo: memFree=1843904/2055920 swapFree=4175700/4192956
[pid=23838] ppid=23836 vsize=452524 CPUtime=0.1
/proc/23838/stat : 23838 (Hybrid2) R 23836 23838 23150 0 -1 4194304 600 0 0 0 10 0 0 0 18 0 1 0 1149196558 463384576 584 1992294400 134512640 135106774 4294956208 18446744073709551615 134523986 0 0 4096 0 0 0 0 17 1 0 0
/proc/23838/statm: 113131 584 53 145 0 112007 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 452524

[startup+0.301961 s]
/proc/loadavg: 1.04 1.01 1.00 3/64 23838
/proc/meminfo: memFree=1843904/2055920 swapFree=4175700/4192956
[pid=23838] ppid=23836 vsize=457084 CPUtime=0.29
/proc/23838/stat : 23838 (Hybrid2) R 23836 23838 23150 0 -1 4194304 896 0 0 0 29 0 0 0 19 0 1 0 1149196558 468054016 880 1992294400 134512640 135106774 4294956208 18446744073709551615 134527125 0 0 4096 0 0 0 0 17 1 0 0
/proc/23838/statm: 114271 880 56 145 0 113147 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 457084

[startup+0.70202 s]
/proc/loadavg: 1.04 1.01 1.00 3/64 23838
/proc/meminfo: memFree=1843904/2055920 swapFree=4175700/4192956
[pid=23838] ppid=23836 vsize=457084 CPUtime=0.69
/proc/23838/stat : 23838 (Hybrid2) R 23836 23838 23150 0 -1 4194304 896 0 0 0 69 0 0 0 22 0 1 0 1149196558 468054016 880 1992294400 134512640 135106774 4294956208 18446744073709551615 134528771 0 0 4096 0 0 0 0 17 1 0 0
/proc/23838/statm: 114271 880 56 145 0 113147 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 457084

[startup+1.50114 s]
/proc/loadavg: 1.04 1.01 1.00 2/65 23839
/proc/meminfo: memFree=1840440/2055920 swapFree=4175700/4192956
[pid=23838] ppid=23836 vsize=457084 CPUtime=1.49
/proc/23838/stat : 23838 (Hybrid2) R 23836 23838 23150 0 -1 4194304 896 0 0 0 149 0 0 0 25 0 1 0 1149196558 468054016 880 1992294400 134512640 135106774 4294956208 18446744073709551615 134518046 0 0 4096 0 0 0 0 17 1 0 0
/proc/23838/statm: 114271 880 56 145 0 113147 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 457084

[startup+3.10137 s]
/proc/loadavg: 1.04 1.01 1.00 2/65 23839
/proc/meminfo: memFree=1840312/2055920 swapFree=4175700/4192956
[pid=23838] ppid=23836 vsize=457084 CPUtime=3.09
/proc/23838/stat : 23838 (Hybrid2) R 23836 23838 23150 0 -1 4194304 896 0 0 0 309 0 0 0 25 0 1 0 1149196558 468054016 880 1992294400 134512640 135106774 4294956208 18446744073709551615 134528529 0 0 4096 0 0 0 0 17 1 0 0
/proc/23838/statm: 114271 880 56 145 0 113147 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 457084

[startup+6.30283 s]
/proc/loadavg: 1.04 1.01 1.00 2/65 23839
/proc/meminfo: memFree=1840248/2055920 swapFree=4175700/4192956
[pid=23838] ppid=23836 vsize=457084 CPUtime=6.29
/proc/23838/stat : 23838 (Hybrid2) R 23836 23838 23150 0 -1 4194304 896 0 0 0 629 0 0 0 25 0 1 0 1149196558 468054016 880 1992294400 134512640 135106774 4294956208 18446744073709551615 134527412 0 0 4096 0 0 0 0 17 1 0 0
/proc/23838/statm: 114271 880 56 145 0 113147 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 457084

[startup+12.7018 s]
/proc/loadavg: 1.04 1.01 1.00 2/65 23839
/proc/meminfo: memFree=1840248/2055920 swapFree=4175700/4192956
[pid=23838] ppid=23836 vsize=457084 CPUtime=12.69
/proc/23838/stat : 23838 (Hybrid2) R 23836 23838 23150 0 -1 4194304 896 0 0 0 1269 0 0 0 25 0 1 0 1149196558 468054016 880 1992294400 134512640 135106774 4294956208 18446744073709551615 134528272 0 0 4096 0 0 0 0 17 1 0 0
/proc/23838/statm: 114271 880 56 145 0 113147 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 457084

[startup+25.5016 s]
/proc/loadavg: 1.03 1.01 1.00 2/65 23839
/proc/meminfo: memFree=1840248/2055920 swapFree=4175700/4192956
[pid=23838] ppid=23836 vsize=457084 CPUtime=25.49
/proc/23838/stat : 23838 (Hybrid2) R 23836 23838 23150 0 -1 4194304 896 0 0 0 2549 0 0 0 25 0 1 0 1149196558 468054016 880 1992294400 134512640 135106774 4294956208 18446744073709551615 134526828 0 0 4096 0 0 0 0 17 1 0 0
/proc/23838/statm: 114271 880 56 145 0 113147 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 457084

[startup+51.1013 s]
/proc/loadavg: 1.02 1.01 1.00 2/65 23839
/proc/meminfo: memFree=1840312/2055920 swapFree=4175700/4192956
[pid=23838] ppid=23836 vsize=457084 CPUtime=51.07
/proc/23838/stat : 23838 (Hybrid2) R 23836 23838 23150 0 -1 4194304 896 0 0 0 5107 0 0 0 25 0 1 0 1149196558 468054016 880 1992294400 134512640 135106774 4294956208 18446744073709551615 134526846 0 0 4096 0 0 0 0 17 1 0 0
/proc/23838/statm: 114271 880 56 145 0 113147 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 457084

[startup+102.306 s]
/proc/loadavg: 1.01 1.00 1.00 2/65 23839
/proc/meminfo: memFree=1840312/2055920 swapFree=4175700/4192956
[pid=23838] ppid=23836 vsize=457084 CPUtime=102.26
/proc/23838/stat : 23838 (Hybrid2) R 23836 23838 23150 0 -1 4194304 896 0 0 0 10226 0 0 0 25 0 1 0 1149196558 468054016 880 1992294400 134512640 135106774 4294956208 18446744073709551615 134528454 0 0 4096 0 0 0 0 17 1 0 0
/proc/23838/statm: 114271 880 56 145 0 113147 0
Current children cumulated CPU time (s) 102.26
Current children cumulated vsize (KiB) 457084

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

[startup+115.102 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23839
/proc/meminfo: memFree=1840312/2055920 swapFree=4175700/4192956
[pid=23838] ppid=23836 vsize=457084 CPUtime=115.05
/proc/23838/stat : 23838 (Hybrid2) R 23836 23838 23150 0 -1 4194304 896 0 0 0 11505 0 0 0 25 0 1 0 1149196558 468054016 880 1992294400 134512640 135106774 4294956208 18446744073709551615 134526850 0 0 4096 0 0 0 0 17 1 0 0
/proc/23838/statm: 114271 880 56 145 0 113147 0
Current children cumulated CPU time (s) 115.05
Current children cumulated vsize (KiB) 457084

[startup+127.901 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23839
/proc/meminfo: memFree=1840312/2055920 swapFree=4175700/4192956
[pid=23838] ppid=23836 vsize=457084 CPUtime=127.85
/proc/23838/stat : 23838 (Hybrid2) R 23836 23838 23150 0 -1 4194304 896 0 0 0 12785 0 0 0 25 0 1 0 1149196558 468054016 880 1992294400 134512640 135106774 4294956208 18446744073709551615 134526668 0 0 4096 0 0 0 0 17 1 0 0
/proc/23838/statm: 114271 880 56 145 0 113147 0
Current children cumulated CPU time (s) 127.85
Current children cumulated vsize (KiB) 457084

[startup+131.102 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23839
/proc/meminfo: memFree=1840312/2055920 swapFree=4175700/4192956
[pid=23838] ppid=23836 vsize=457084 CPUtime=131.05
/proc/23838/stat : 23838 (Hybrid2) R 23836 23838 23150 0 -1 4194304 896 0 0 0 13105 0 0 0 25 0 1 0 1149196558 468054016 880 1992294400 134512640 135106774 4294956208 18446744073709551615 134528744 0 0 4096 0 0 0 0 17 1 0 0
/proc/23838/statm: 114271 880 56 145 0 113147 0
Current children cumulated CPU time (s) 131.05
Current children cumulated vsize (KiB) 457084

[startup+134.301 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23839
/proc/meminfo: memFree=1840312/2055920 swapFree=4175700/4192956
[pid=23838] ppid=23836 vsize=457084 CPUtime=134.24
/proc/23838/stat : 23838 (Hybrid2) R 23836 23838 23150 0 -1 4194304 896 0 0 0 13424 0 0 0 25 0 1 0 1149196558 468054016 880 1992294400 134512640 135106774 4294956208 18446744073709551615 134528744 0 0 4096 0 0 0 0 17 1 0 0
/proc/23838/statm: 114271 880 56 145 0 113147 0
Current children cumulated CPU time (s) 134.24
Current children cumulated vsize (KiB) 457084

[startup+135.102 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23839
/proc/meminfo: memFree=1840312/2055920 swapFree=4175700/4192956
[pid=23838] ppid=23836 vsize=457084 CPUtime=135.04
/proc/23838/stat : 23838 (Hybrid2) R 23836 23838 23150 0 -1 4194304 896 0 0 0 13504 0 0 0 25 0 1 0 1149196558 468054016 880 1992294400 134512640 135106774 4294956208 18446744073709551615 134526769 0 0 4096 0 0 0 0 17 1 0 0
/proc/23838/statm: 114271 880 56 145 0 113147 0
Current children cumulated CPU time (s) 135.04
Current children cumulated vsize (KiB) 457084

[startup+135.902 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23839
/proc/meminfo: memFree=1840312/2055920 swapFree=4175700/4192956
[pid=23838] ppid=23836 vsize=457084 CPUtime=135.84
/proc/23838/stat : 23838 (Hybrid2) R 23836 23838 23150 0 -1 4194304 896 0 0 0 13584 0 0 0 25 0 1 0 1149196558 468054016 880 1992294400 134512640 135106774 4294956208 18446744073709551615 134526783 0 0 4096 0 0 0 0 17 1 0 0
/proc/23838/statm: 114271 880 56 145 0 113147 0
Current children cumulated CPU time (s) 135.84
Current children cumulated vsize (KiB) 457084

[startup+136.302 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23839
/proc/meminfo: memFree=1840312/2055920 swapFree=4175700/4192956
[pid=23838] ppid=23836 vsize=457084 CPUtime=136.25
/proc/23838/stat : 23838 (Hybrid2) R 23836 23838 23150 0 -1 4194304 896 0 0 0 13625 0 0 0 25 0 1 0 1149196558 468054016 880 1992294400 134512640 135106774 4294956208 18446744073709551615 134527345 0 0 4096 0 0 0 0 17 1 0 0
/proc/23838/statm: 114271 880 56 145 0 113147 0
Current children cumulated CPU time (s) 136.25
Current children cumulated vsize (KiB) 457084

Child status: 10
Real time (s): 136.371
CPU time (s): 136.322
CPU user time (s): 136.316
CPU system time (s): 0.005999
CPU usage (%): 99.9639
Max. virtual memory (cumulated for all children) (KiB): 457084

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 136.316
system time used= 0.005999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 915
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= 3
involuntary context switches= 110

runsolver used 0.086986 second user time and 0.328949 second system time

The end

Launcher Data 

Begin job on node30 at 2009-04-03 15:28:33
IDJOB=1561338
IDBENCH=70913
IDSOLVER=530
FILE ID=node30/1561338-1238765313
PBS_JOBID= 9085450
Free space on /tmp= 66512 MiB

SOLVER NAME= Hybrid2 2009-03-22
BENCH NAME= SAT09/APPLICATIONS/edgematching/compact/em_8_4_5_cmp.cnf
COMMAND LINE= HOME/Hybrid2 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561338-1238765313/watcher-1561338-1238765313 -o /tmp/evaluation-result-1561338-1238765313/solver-1561338-1238765313 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/Hybrid2 HOME/instance-1561338-1238765313.cnf 929096412

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

MD5SUM BENCH= 0b9eae71c375cb5515f5dd7953424584
RANDOM SEED=929096412

node30.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		: 3000.260
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	: 5931.00
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		: 3000.260
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:       1844320 kB
Buffers:         11936 kB
Cached:         119784 kB
SwapCached:      10876 kB
Active:          14500 kB
Inactive:       130128 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1844320 kB
SwapTotal:     4192956 kB
SwapFree:      4175700 kB
Dirty:            5012 kB
Writeback:           0 kB
Mapped:          18768 kB
Slab:            52964 kB
Committed_AS:  3409940 kB
PageTables:       1380 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= 66508 MiB
End job on node30 at 2009-04-03 15:30:50