Trace number 304681

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 NameAnswerCPU timeWall clock time
Hybrid1 2007-02-08SAT 186.258 186.31

General information on the benchmark

Namerandom/LargeSize/7SAT/v140/
unif-k7-r85-v140-c11900-S1048256369-15.cnf
MD5SUMab7337941d831b2d8e8e59768132b34d
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark33.7859
Satisfiable
(Un)Satisfiability was proved
Number of variables140
Number of clauses11900
Sum of the clauses size83300
Maximum clause length7
Minimum clause length7
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 511900

Solver Data (download as text)

186.18/186.30	c try 1 flip j 12409882
186.18/186.30	c A solution is found
186.18/186.30	s SATISFIABLE
186.18/186.30	v 1 -2 3 -4 5 6 7 -8 9 10 11 12 13 -14 15 -16 -17 18 -19 -20 21 22 23 -24 25 -26 -27 28 -29 -30 31 32 -33 -34 35 -36 37 38 39 -40 41 -42 43 44 -45 46 47 48 -49 -50 -51 -52 53 -54 55 -56 57 58 59 60 61 62 -63 -64 65 66 67 68 69 70 71 72 -73 74 -75 76 77 -78 -79 80 81 82 -83 -84 85 86 87 88 -89 -90 -91 92 -93 94 95 96 97 98 -99 -100 101 -102 103 104 -105 106 -107 108 -109 110 111 112 -113 -114 115 -116 117 118 119 -120 121 122 -123 124 125 -126 -127 128 129 -130 -131 132 133 134 -135 136 -137 138 -139 140 
186.18/186.30	v 0 
186.18/186.30	c Done (mycputime is 0.018 seconds)

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node2/watcher-304681-1172063612 -o ROOT/results/node2/solver-304681-1172063612 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/304681-1172063612/Hybrid1 /tmp/evaluation/304681-1172063612/instance-304681-1172063612.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 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: 0.92 0.98 0.99 3/77 20939
/proc/meminfo: memFree=1527808/2055920 swapFree=4192812/4192956
[pid=20939] ppid=20937 vsize=244720 CPUtime=0
/proc/20939/stat : 20939 (Hybrid1) R 20937 20939 19884 0 -1 4194304 94 0 0 0 0 0 0 0 18 0 1 0 226316196 250593280 78 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134588695 0 0 4096 0 0 0 0 17 1 0 0
/proc/20939/statm: 61180 78 39 103 0 60684 0

[startup+0.107256 s]
/proc/loadavg: 0.92 0.98 0.99 3/77 20939
/proc/meminfo: memFree=1527808/2055920 swapFree=4192812/4192956
[pid=20939] ppid=20937 vsize=246168 CPUtime=0.1
/proc/20939/stat : 20939 (Hybrid1) R 20937 20939 19884 0 -1 4194304 511 0 0 0 10 0 0 0 18 0 1 0 226316196 252076032 494 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134523624 0 0 4096 0 0 0 0 17 1 0 0
/proc/20939/statm: 61542 494 40 103 0 61046 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 246168

[startup+0.515298 s]
/proc/loadavg: 0.92 0.98 0.99 3/77 20939
/proc/meminfo: memFree=1527808/2055920 swapFree=4192812/4192956
[pid=20939] ppid=20937 vsize=246168 CPUtime=0.51
/proc/20939/stat : 20939 (Hybrid1) R 20937 20939 19884 0 -1 4194304 511 0 0 0 51 0 0 0 21 0 1 0 226316196 252076032 494 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134523337 0 0 4096 0 0 0 0 17 1 0 0
/proc/20939/statm: 61542 494 40 103 0 61046 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 246168

[startup+1.33538 s]
/proc/loadavg: 0.92 0.98 0.99 2/78 20940
/proc/meminfo: memFree=1525880/2055920 swapFree=4192812/4192956
[pid=20939] ppid=20937 vsize=246168 CPUtime=1.33
/proc/20939/stat : 20939 (Hybrid1) R 20937 20939 19884 0 -1 4194304 511 0 0 0 133 0 0 0 25 0 1 0 226316196 252076032 494 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134523624 0 0 4096 0 0 0 0 17 1 0 0
/proc/20939/statm: 61542 494 40 103 0 61046 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 246168

[startup+2.97155 s]
/proc/loadavg: 0.93 0.98 0.99 2/78 20940
/proc/meminfo: memFree=1525752/2055920 swapFree=4192812/4192956
[pid=20939] ppid=20937 vsize=246168 CPUtime=2.96
/proc/20939/stat : 20939 (Hybrid1) R 20937 20939 19884 0 -1 4194304 511 0 0 0 296 0 0 0 25 0 1 0 226316196 252076032 494 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134523470 0 0 4096 0 0 0 0 17 1 0 0
/proc/20939/statm: 61542 494 40 103 0 61046 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 246168

[startup+6.25289 s]
/proc/loadavg: 0.93 0.98 0.99 2/78 20940
/proc/meminfo: memFree=1525048/2055920 swapFree=4192812/4192956
[pid=20939] ppid=20937 vsize=247852 CPUtime=6.24
/proc/20939/stat : 20939 (Hybrid1) R 20937 20939 19884 0 -1 4194304 642 0 0 0 624 0 0 0 25 0 1 0 226316196 253800448 622 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134552538 0 0 4096 0 0 0 0 17 1 0 0
/proc/20939/statm: 61963 622 44 103 0 61467 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 247852

[startup+12.7036 s]
/proc/loadavg: 0.94 0.98 0.99 2/78 20940
/proc/meminfo: memFree=1525048/2055920 swapFree=4192812/4192956
[pid=20939] ppid=20937 vsize=247852 CPUtime=12.69
/proc/20939/stat : 20939 (Hybrid1) R 20937 20939 19884 0 -1 4194304 642 0 0 0 1269 0 0 0 25 0 1 0 226316196 253800448 622 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134545269 0 0 4096 0 0 0 0 17 1 0 0
/proc/20939/statm: 61963 622 44 103 0 61467 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 247852

[startup+25.5079 s]
/proc/loadavg: 0.95 0.98 0.99 2/78 20940
/proc/meminfo: memFree=1525048/2055920 swapFree=4192812/4192956
[pid=20939] ppid=20937 vsize=247852 CPUtime=25.49
/proc/20939/stat : 20939 (Hybrid1) R 20937 20939 19884 0 -1 4194304 642 0 0 0 2549 0 0 0 25 0 1 0 226316196 253800448 622 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134545189 0 0 4096 0 0 0 0 17 1 0 0
/proc/20939/statm: 61963 622 44 103 0 61467 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 247852

[startup+51.1196 s]
/proc/loadavg: 0.96 0.98 0.99 2/78 20940
/proc/meminfo: memFree=1525048/2055920 swapFree=4192812/4192956
[pid=20939] ppid=20937 vsize=247852 CPUtime=51.09
/proc/20939/stat : 20939 (Hybrid1) R 20937 20939 19884 0 -1 4194304 642 0 0 0 5109 0 0 0 25 0 1 0 226316196 253800448 622 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134545237 0 0 4096 0 0 0 0 17 1 0 0
/proc/20939/statm: 61963 622 44 103 0 61467 0
Current children cumulated CPU time (s) 51.09
Current children cumulated vsize (KiB) 247852

[startup+102.339 s]
/proc/loadavg: 0.98 0.98 0.99 2/78 20940
/proc/meminfo: memFree=1525048/2055920 swapFree=4192812/4192956
[pid=20939] ppid=20937 vsize=247852 CPUtime=102.3
/proc/20939/stat : 20939 (Hybrid1) R 20937 20939 19884 0 -1 4194304 642 0 0 0 10230 0 0 0 25 0 1 0 226316196 253800448 622 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134553427 0 0 4096 0 0 0 0 17 1 0 0
/proc/20939/statm: 61963 622 44 103 0 61467 0
Current children cumulated CPU time (s) 102.3
Current children cumulated vsize (KiB) 247852

[startup+162.368 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 20940
/proc/meminfo: memFree=1525048/2055920 swapFree=4192812/4192956
[pid=20939] ppid=20937 vsize=247852 CPUtime=162.31
/proc/20939/stat : 20939 (Hybrid1) R 20937 20939 19884 0 -1 4194304 642 0 0 0 16230 1 0 0 25 0 1 0 226316196 253800448 622 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134545122 0 0 4096 0 0 0 0 17 1 0 0
/proc/20939/statm: 61963 622 44 103 0 61467 0
Current children cumulated CPU time (s) 162.31
Current children cumulated vsize (KiB) 247852

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

[startup+170.462 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 20940
/proc/meminfo: memFree=1525048/2055920 swapFree=4192812/4192956
[pid=20939] ppid=20937 vsize=247852 CPUtime=170.4
/proc/20939/stat : 20939 (Hybrid1) R 20937 20939 19884 0 -1 4194304 642 0 0 0 17039 1 0 0 25 0 1 0 226316196 253800448 622 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134553634 0 0 4096 0 0 0 0 17 1 0 0
/proc/20939/statm: 61963 622 44 103 0 61467 0
Current children cumulated CPU time (s) 170.4
Current children cumulated vsize (KiB) 247852

[startup+177.02 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 20940
/proc/meminfo: memFree=1525048/2055920 swapFree=4192812/4192956
[pid=20939] ppid=20937 vsize=247852 CPUtime=176.96
/proc/20939/stat : 20939 (Hybrid1) R 20937 20939 19884 0 -1 4194304 642 0 0 0 17695 1 0 0 25 0 1 0 226316196 253800448 622 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134545269 0 0 4096 0 0 0 0 17 1 0 0
/proc/20939/statm: 61963 622 44 103 0 61467 0
Current children cumulated CPU time (s) 176.96
Current children cumulated vsize (KiB) 247852

[startup+180.292 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 20940
/proc/meminfo: memFree=1525048/2055920 swapFree=4192812/4192956
[pid=20939] ppid=20937 vsize=247852 CPUtime=180.24
/proc/20939/stat : 20939 (Hybrid1) R 20937 20939 19884 0 -1 4194304 642 0 0 0 18023 1 0 0 25 0 1 0 226316196 253800448 622 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134544968 0 0 4096 0 0 0 0 17 1 0 0
/proc/20939/statm: 61963 622 44 103 0 61467 0
Current children cumulated CPU time (s) 180.24
Current children cumulated vsize (KiB) 247852

[startup+183.568 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 20940
/proc/meminfo: memFree=1525048/2055920 swapFree=4192812/4192956
[pid=20939] ppid=20937 vsize=247852 CPUtime=183.51
/proc/20939/stat : 20939 (Hybrid1) R 20937 20939 19884 0 -1 4194304 642 0 0 0 18350 1 0 0 25 0 1 0 226316196 253800448 622 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134552243 0 0 4096 0 0 0 0 17 1 0 0
/proc/20939/statm: 61963 622 44 103 0 61467 0
Current children cumulated CPU time (s) 183.51
Current children cumulated vsize (KiB) 247852

[startup+185.212 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 20940
/proc/meminfo: memFree=1525048/2055920 swapFree=4192812/4192956
[pid=20939] ppid=20937 vsize=247852 CPUtime=185.15
/proc/20939/stat : 20939 (Hybrid1) R 20937 20939 19884 0 -1 4194304 642 0 0 0 18514 1 0 0 25 0 1 0 226316196 253800448 622 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134552545 0 0 4096 0 0 0 0 17 1 0 0
/proc/20939/statm: 61963 622 44 103 0 61467 0
Current children cumulated CPU time (s) 185.15
Current children cumulated vsize (KiB) 247852

[startup+186.035 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 20940
/proc/meminfo: memFree=1525048/2055920 swapFree=4192812/4192956
[pid=20939] ppid=20937 vsize=247852 CPUtime=185.97
/proc/20939/stat : 20939 (Hybrid1) R 20937 20939 19884 0 -1 4194304 642 0 0 0 18596 1 0 0 25 0 1 0 226316196 253800448 622 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134544814 0 0 4096 0 0 0 0 17 1 0 0
/proc/20939/statm: 61963 622 44 103 0 61467 0
Current children cumulated CPU time (s) 185.97
Current children cumulated vsize (KiB) 247852

[startup+186.239 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 20940
/proc/meminfo: memFree=1525048/2055920 swapFree=4192812/4192956
[pid=20939] ppid=20937 vsize=247852 CPUtime=186.18
/proc/20939/stat : 20939 (Hybrid1) R 20937 20939 19884 0 -1 4194304 642 0 0 0 18617 1 0 0 25 0 1 0 226316196 253800448 622 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134545221 0 0 4096 0 0 0 0 17 1 0 0
/proc/20939/statm: 61963 622 44 103 0 61467 0
Current children cumulated CPU time (s) 186.18
Current children cumulated vsize (KiB) 247852

Child status: 10
Real time (s): 186.31
CPU time (s): 186.258
CPU user time (s): 186.242
CPU system time (s): 0.015997
CPU usage (%): 99.9716
Max. virtual memory (cumulated for all children) (KiB): 247852

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 186.242
system time used= 0.015997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 655
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= 7
involuntary context switches= 306

runsolver used 0.174973 second user time and 0.440932 second system time

The end

Launcher Data (download as text)

Begin job on node2 on Wed Feb 21 13:13:32 UTC 2007

IDJOB= 304681
IDBENCH= 20138
IDSOLVER= 115
FILE ID= node2/304681-1172063612

PBS_JOBID= 3865287

Free space on /tmp= 66543 MiB

SOLVER NAME= Hybrid1 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/LargeSize/7SAT/v140/unif-k7-r85-v140-c11900-S1048256369-15.cnf
COMMAND LINE= /tmp/evaluation/304681-1172063612/Hybrid1 /tmp/evaluation/304681-1172063612/instance-304681-1172063612.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node2/watcher-304681-1172063612 -o ROOT/results/node2/solver-304681-1172063612 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/304681-1172063612/Hybrid1 /tmp/evaluation/304681-1172063612/instance-304681-1172063612.cnf            

META MD5SUM SOLVER= 4ad8950502569bcbd9dc3ae819b6eefe
MD5SUM BENCH=  ab7337941d831b2d8e8e59768132b34d

RANDOM SEED= 562882659

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node2.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		: 3000.247
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		: 3000.247
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:       1528216 kB
Buffers:         54800 kB
Cached:         337764 kB
SwapCached:          0 kB
Active:         325784 kB
Inactive:       126672 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1528216 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            6532 kB
Writeback:           0 kB
Mapped:          78748 kB
Slab:            60700 kB
Committed_AS:  1224880 kB
PageTables:       1812 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= 66543 MiB

End job on node2 on Wed Feb 21 13:16:39 UTC 2007