Trace number 1561755

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
NCVWr 2009-03-22SAT 96.4543 96.5073

General information on the benchmark

NameCRAFTED/edgematching/
explicit/em_7_3_6_exp.cnf
MD5SUM5b8699f429b7fdd3e23d69c762326321
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.739886
Satisfiable
(Un)Satisfiability was proved
Number of variables1473
Number of clauses22887
Sum of the clauses size60224
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 213705
Number of clauses of size 37024
Number of clauses of size 4708
Number of clauses of size 51300
Number of clauses of size over 5150

Solver Data 

96.44/96.50	c try 1 flip j 21167787
96.44/96.50	c A solution is found
96.44/96.50	s SATISFIABLE
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96.44/96.50	v 0 
96.44/96.50	c Done (mycputime is 96.360 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-1561755-1238768573/watcher-1561755-1238768573 -o /tmp/evaluation-result-1561755-1238768573/solver-1561755-1238768573 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/NCVWr HOME/instance-1561755-1238768573.cnf 1892339096 

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: 1.01 1.00 1.00 3/64 2156
/proc/meminfo: memFree=1769200/2055920 swapFree=4179868/4192956
[pid=2156] ppid=2153 vsize=411884 CPUtime=0
/proc/2156/stat : 2156 (NCVWr) R 2153 2156 1547 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 753749747 421769216 113 1992294400 134512640 135113558 4294956208 18446744073709551615 134523307 0 0 4096 0 0 0 0 17 0 0 0
/proc/2156/statm: 102971 114 55 146 0 101846 0

[startup+0.10108 s]
/proc/loadavg: 1.01 1.00 1.00 3/64 2156
/proc/meminfo: memFree=1769200/2055920 swapFree=4179868/4192956
[pid=2156] ppid=2153 vsize=413332 CPUtime=0.09
/proc/2156/stat : 2156 (NCVWr) R 2153 2156 1547 0 -1 4194304 565 0 0 0 9 0 0 0 18 0 1 0 753749747 423251968 549 1992294400 134512640 135113558 4294956208 18446744073709551615 134619510 0 0 4096 0 0 0 0 17 0 0 0
/proc/2156/statm: 103333 551 55 146 0 102208 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 413332

[startup+0.201093 s]
/proc/loadavg: 1.01 1.00 1.00 3/64 2156
/proc/meminfo: memFree=1769200/2055920 swapFree=4179868/4192956
[pid=2156] ppid=2153 vsize=417864 CPUtime=0.19
/proc/2156/stat : 2156 (NCVWr) R 2153 2156 1547 0 -1 4194304 812 0 0 0 19 0 0 0 18 0 1 0 753749747 427892736 796 1992294400 134512640 135113558 4294956208 18446744073709551615 134533479 0 0 4096 0 0 0 0 17 0 0 0
/proc/2156/statm: 104466 796 58 146 0 103341 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 417864

[startup+0.301108 s]
/proc/loadavg: 1.01 1.00 1.00 3/64 2156
/proc/meminfo: memFree=1769200/2055920 swapFree=4179868/4192956
[pid=2156] ppid=2153 vsize=417864 CPUtime=0.29
/proc/2156/stat : 2156 (NCVWr) R 2153 2156 1547 0 -1 4194304 812 0 0 0 29 0 0 0 19 0 1 0 753749747 427892736 796 1992294400 134512640 135113558 4294956208 18446744073709551615 134520650 0 0 4096 0 0 0 0 17 0 0 0
/proc/2156/statm: 104466 796 58 146 0 103341 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 417864

[startup+0.701164 s]
/proc/loadavg: 1.01 1.00 1.00 3/64 2156
/proc/meminfo: memFree=1769200/2055920 swapFree=4179868/4192956
[pid=2156] ppid=2153 vsize=417864 CPUtime=0.69
/proc/2156/stat : 2156 (NCVWr) R 2153 2156 1547 0 -1 4194304 812 0 0 0 69 0 0 0 23 0 1 0 753749747 427892736 796 1992294400 134512640 135113558 4294956208 18446744073709551615 134532201 0 0 4096 0 0 0 0 17 0 0 0
/proc/2156/statm: 104466 796 58 146 0 103341 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 417864

[startup+1.50228 s]
/proc/loadavg: 1.01 1.00 1.00 2/65 2157
/proc/meminfo: memFree=1766056/2055920 swapFree=4179868/4192956
[pid=2156] ppid=2153 vsize=417864 CPUtime=1.49
/proc/2156/stat : 2156 (NCVWr) R 2153 2156 1547 0 -1 4194304 812 0 0 0 149 0 0 0 25 0 1 0 753749747 427892736 796 1992294400 134512640 135113558 4294956208 18446744073709551615 134532485 0 0 4096 0 0 0 0 17 0 0 0
/proc/2156/statm: 104466 796 58 146 0 103341 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 417864

[startup+3.1015 s]
/proc/loadavg: 1.01 1.00 1.00 2/65 2157
/proc/meminfo: memFree=1765864/2055920 swapFree=4179868/4192956
[pid=2156] ppid=2153 vsize=417864 CPUtime=3.09
/proc/2156/stat : 2156 (NCVWr) R 2153 2156 1547 0 -1 4194304 812 0 0 0 309 0 0 0 25 0 1 0 753749747 427892736 796 1992294400 134512640 135113558 4294956208 18446744073709551615 134531191 0 0 4096 0 0 0 0 17 0 0 0
/proc/2156/statm: 104466 796 58 146 0 103341 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 417864

[startup+6.30196 s]
/proc/loadavg: 1.01 1.00 1.00 2/65 2157
/proc/meminfo: memFree=1765736/2055920 swapFree=4179868/4192956
[pid=2156] ppid=2153 vsize=417864 CPUtime=6.29
/proc/2156/stat : 2156 (NCVWr) R 2153 2156 1547 0 -1 4194304 812 0 0 0 629 0 0 0 25 0 1 0 753749747 427892736 796 1992294400 134512640 135113558 4294956208 18446744073709551615 134531919 0 0 4096 0 0 0 0 17 0 0 0
/proc/2156/statm: 104466 796 58 146 0 103341 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 417864

[startup+12.7019 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2157
/proc/meminfo: memFree=1765608/2055920 swapFree=4179868/4192956
[pid=2156] ppid=2153 vsize=417864 CPUtime=12.68
/proc/2156/stat : 2156 (NCVWr) R 2153 2156 1547 0 -1 4194304 813 0 0 0 1268 0 0 0 25 0 1 0 753749747 427892736 797 1992294400 134512640 135113558 4294956208 18446744073709551615 134533842 0 0 4096 0 0 0 0 17 0 0 0
/proc/2156/statm: 104466 797 58 146 0 103341 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 417864

[startup+25.5017 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2157
/proc/meminfo: memFree=1765800/2055920 swapFree=4179868/4192956
[pid=2156] ppid=2153 vsize=417864 CPUtime=25.48
/proc/2156/stat : 2156 (NCVWr) R 2153 2156 1547 0 -1 4194304 813 0 0 0 2548 0 0 0 25 0 1 0 753749747 427892736 797 1992294400 134512640 135113558 4294956208 18446744073709551615 134530410 0 0 4096 0 0 0 0 17 0 0 0
/proc/2156/statm: 104466 797 58 146 0 103341 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 417864

[startup+51.1013 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2157
/proc/meminfo: memFree=1765864/2055920 swapFree=4179868/4192956
[pid=2156] ppid=2153 vsize=417864 CPUtime=51.06
/proc/2156/stat : 2156 (NCVWr) R 2153 2156 1547 0 -1 4194304 813 0 0 0 5106 0 0 0 25 0 1 0 753749747 427892736 797 1992294400 134512640 135113558 4294956208 18446744073709551615 134532248 0 0 4096 0 0 0 0 17 0 0 0
/proc/2156/statm: 104466 797 58 146 0 103341 0
Current children cumulated CPU time (s) 51.06
Current children cumulated vsize (KiB) 417864

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

[startup+51.2013 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2157
/proc/meminfo: memFree=1765864/2055920 swapFree=4179868/4192956
[pid=2156] ppid=2153 vsize=417864 CPUtime=51.16
/proc/2156/stat : 2156 (NCVWr) R 2153 2156 1547 0 -1 4194304 813 0 0 0 5116 0 0 0 25 0 1 0 753749747 427892736 797 1992294400 134512640 135113558 4294956208 18446744073709551615 134534202 0 0 4096 0 0 0 0 17 0 0 0
/proc/2156/statm: 104466 797 58 146 0 103341 0
Current children cumulated CPU time (s) 51.16
Current children cumulated vsize (KiB) 417864

[startup+76.8019 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2157
/proc/meminfo: memFree=1765928/2055920 swapFree=4179868/4192956
[pid=2156] ppid=2153 vsize=417864 CPUtime=76.76
/proc/2156/stat : 2156 (NCVWr) R 2153 2156 1547 0 -1 4194304 813 0 0 0 7676 0 0 0 25 0 1 0 753749747 427892736 797 1992294400 134512640 135113558 4294956208 18446744073709551615 134532063 0 0 4096 0 0 0 0 17 0 0 0
/proc/2156/statm: 104466 797 58 146 0 103341 0
Current children cumulated CPU time (s) 76.76
Current children cumulated vsize (KiB) 417864

[startup+89.6018 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2157
/proc/meminfo: memFree=1765864/2055920 swapFree=4179868/4192956
[pid=2156] ppid=2153 vsize=417864 CPUtime=89.54
/proc/2156/stat : 2156 (NCVWr) R 2153 2156 1547 0 -1 4194304 813 0 0 0 8954 0 0 0 25 0 1 0 753749747 427892736 797 1992294400 134512640 135113558 4294956208 18446744073709551615 134530421 0 0 4096 0 0 0 0 17 0 0 0
/proc/2156/statm: 104466 797 58 146 0 103341 0
Current children cumulated CPU time (s) 89.54
Current children cumulated vsize (KiB) 417864

[startup+92.8012 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2157
/proc/meminfo: memFree=1765800/2055920 swapFree=4179868/4192956
[pid=2156] ppid=2153 vsize=417864 CPUtime=92.74
/proc/2156/stat : 2156 (NCVWr) R 2153 2156 1547 0 -1 4194304 813 0 0 0 9274 0 0 0 25 0 1 0 753749747 427892736 797 1992294400 134512640 135113558 4294956208 18446744073709551615 134531084 0 0 4096 0 0 0 0 17 0 0 0
/proc/2156/statm: 104466 797 58 146 0 103341 0
Current children cumulated CPU time (s) 92.74
Current children cumulated vsize (KiB) 417864

[startup+94.4014 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2157
/proc/meminfo: memFree=1765800/2055920 swapFree=4179868/4192956
[pid=2156] ppid=2153 vsize=417864 CPUtime=94.34
/proc/2156/stat : 2156 (NCVWr) R 2153 2156 1547 0 -1 4194304 813 0 0 0 9434 0 0 0 25 0 1 0 753749747 427892736 797 1992294400 134512640 135113558 4294956208 18446744073709551615 134532031 0 0 4096 0 0 0 0 17 0 0 0
/proc/2156/statm: 104466 797 58 146 0 103341 0
Current children cumulated CPU time (s) 94.34
Current children cumulated vsize (KiB) 417864

[startup+95.2016 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2157
/proc/meminfo: memFree=1765800/2055920 swapFree=4179868/4192956
[pid=2156] ppid=2153 vsize=417864 CPUtime=95.14
/proc/2156/stat : 2156 (NCVWr) R 2153 2156 1547 0 -1 4194304 813 0 0 0 9514 0 0 0 25 0 1 0 753749747 427892736 797 1992294400 134512640 135113558 4294956208 18446744073709551615 134534202 0 0 4096 0 0 0 0 17 0 0 0
/proc/2156/statm: 104466 797 58 146 0 103341 0
Current children cumulated CPU time (s) 95.14
Current children cumulated vsize (KiB) 417864

[startup+96.0017 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2157
/proc/meminfo: memFree=1765800/2055920 swapFree=4179868/4192956
[pid=2156] ppid=2153 vsize=417864 CPUtime=95.94
/proc/2156/stat : 2156 (NCVWr) R 2153 2156 1547 0 -1 4194304 813 0 0 0 9594 0 0 0 25 0 1 0 753749747 427892736 797 1992294400 134512640 135113558 4294956208 18446744073709551615 134531784 0 0 4096 0 0 0 0 17 0 0 0
/proc/2156/statm: 104466 797 58 146 0 103341 0
Current children cumulated CPU time (s) 95.94
Current children cumulated vsize (KiB) 417864

[startup+96.4017 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2157
/proc/meminfo: memFree=1765800/2055920 swapFree=4179868/4192956
[pid=2156] ppid=2153 vsize=417864 CPUtime=96.34
/proc/2156/stat : 2156 (NCVWr) R 2153 2156 1547 0 -1 4194304 813 0 0 0 9634 0 0 0 25 0 1 0 753749747 427892736 797 1992294400 134512640 135113558 4294956208 18446744073709551615 134572403 0 0 4096 0 0 0 0 17 0 0 0
/proc/2156/statm: 104466 797 58 146 0 103341 0
Current children cumulated CPU time (s) 96.34
Current children cumulated vsize (KiB) 417864

[startup+96.5017 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2157
/proc/meminfo: memFree=1765800/2055920 swapFree=4179868/4192956
[pid=2156] ppid=2153 vsize=417864 CPUtime=96.44
/proc/2156/stat : 2156 (NCVWr) R 2153 2156 1547 0 -1 4194304 813 0 0 0 9644 0 0 0 25 0 1 0 753749747 427892736 797 1992294400 134512640 135113558 4294956208 18446744073709551615 134534129 0 0 4096 0 0 0 0 17 0 0 0
/proc/2156/statm: 104466 797 58 146 0 103341 0
Current children cumulated CPU time (s) 96.44
Current children cumulated vsize (KiB) 417864

Child status: 10
Real time (s): 96.5073
CPU time (s): 96.4543
CPU user time (s): 96.4443
CPU system time (s): 0.009998
CPU usage (%): 99.9452
Max. virtual memory (cumulated for all children) (KiB): 417864

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 96.4443
system time used= 0.009998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 829
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= 4
involuntary context switches= 313

runsolver used 0.097985 second user time and 0.25996 second system time

The end

Launcher Data 

Begin job on node49 at 2009-04-03 16:22:53
IDJOB=1561755
IDBENCH=70921
IDSOLVER=531
FILE ID=node49/1561755-1238768573
PBS_JOBID= 9085498
Free space on /tmp= 66548 MiB

SOLVER NAME= NCVWr 2009-03-22
BENCH NAME= SAT09/APPLICATIONS/edgematching/explicit/em_7_3_6_exp.cnf
COMMAND LINE= HOME/NCVWr BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561755-1238768573/watcher-1561755-1238768573 -o /tmp/evaluation-result-1561755-1238768573/solver-1561755-1238768573 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/NCVWr HOME/instance-1561755-1238768573.cnf 1892339096

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

MD5SUM BENCH= 5b8699f429b7fdd3e23d69c762326321
RANDOM SEED=1892339096

node49.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		: 3000.214
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		: 3000.214
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:       1769616 kB
Buffers:         66520 kB
Cached:         118744 kB
SwapCached:       6360 kB
Active:          32756 kB
Inactive:       161432 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1769616 kB
SwapTotal:     4192956 kB
SwapFree:      4179868 kB
Dirty:            4924 kB
Writeback:           0 kB
Mapped:          14676 kB
Slab:            77884 kB
Committed_AS:  2205936 kB
PageTables:       1384 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= 66544 MiB
End job on node49 at 2009-04-03 16:24:30