Trace number 1561330

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
HydraSAT-Flat 2009-03-22-FlatSAT 522.796 522.925

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 

522.76/522.91	
522.76/522.91	c decisions : 1933288
522.76/522.91	c conflicts : 588646
522.76/522.91	c Memory limit 1620 MiB
522.76/522.91	s SATISFIABLE
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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-1561330-1238765233/watcher-1561330-1238765233 -o /tmp/evaluation-result-1561330-1238765233/solver-1561330-1238765233 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hydrasat-flat HOME/instance-1561330-1238765233.cnf -rs 1778572582 -co memory_limit 1800 

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 3/68 13460
/proc/meminfo: memFree=1791992/2055920 swapFree=4177828/4192956
[pid=13460] ppid=13458 vsize=1724 CPUtime=0
/proc/13460/stat : 13460 (hydrasat-flat) R 13458 13460 12445 0 -1 4194304 200 0 0 0 0 0 0 0 18 0 1 0 1149185340 1765376 184 1992294400 134512640 135819388 4294956160 18446744073709551615 135210678 0 0 4096 1 0 0 0 17 1 0 0
/proc/13460/statm: 431 184 119 319 0 109 0

[startup+0.089949 s]
/proc/loadavg: 1.00 1.00 1.00 3/68 13460
/proc/meminfo: memFree=1791992/2055920 swapFree=4177828/4192956
[pid=13460] ppid=13458 vsize=3668 CPUtime=0.08
/proc/13460/stat : 13460 (hydrasat-flat) R 13458 13460 12445 0 -1 4194304 704 0 0 0 8 0 0 0 18 0 1 0 1149185340 3756032 684 1992294400 134512640 135819388 4294956160 18446744073709551615 134521348 0 0 4096 1 0 0 0 17 1 0 0
/proc/13460/statm: 917 684 128 319 0 595 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 3668

[startup+0.101948 s]
/proc/loadavg: 1.00 1.00 1.00 3/68 13460
/proc/meminfo: memFree=1791992/2055920 swapFree=4177828/4192956
[pid=13460] ppid=13458 vsize=3668 CPUtime=0.09
/proc/13460/stat : 13460 (hydrasat-flat) R 13458 13460 12445 0 -1 4194304 704 0 0 0 9 0 0 0 18 0 1 0 1149185340 3756032 684 1992294400 134512640 135819388 4294956160 18446744073709551615 134520747 0 0 4096 1 0 0 0 17 1 0 0
/proc/13460/statm: 917 684 128 319 0 595 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3668

[startup+0.301961 s]
/proc/loadavg: 1.00 1.00 1.00 3/68 13460
/proc/meminfo: memFree=1791992/2055920 swapFree=4177828/4192956
[pid=13460] ppid=13458 vsize=4856 CPUtime=0.29
/proc/13460/stat : 13460 (hydrasat-flat) R 13458 13460 12445 0 -1 4194304 1007 0 0 0 29 0 0 0 19 0 1 0 1149185340 4972544 986 1992294400 134512640 135819388 4294956160 18446744073709551615 134586905 0 0 4096 1 0 0 0 17 1 0 0
/proc/13460/statm: 1214 986 148 319 0 892 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4856

[startup+0.701988 s]
/proc/loadavg: 1.00 1.00 1.00 3/68 13460
/proc/meminfo: memFree=1791992/2055920 swapFree=4177828/4192956
[pid=13460] ppid=13458 vsize=5120 CPUtime=0.69
/proc/13460/stat : 13460 (hydrasat-flat) R 13458 13460 12445 0 -1 4194304 1075 0 0 0 69 0 0 0 22 0 1 0 1149185340 5242880 1054 1992294400 134512640 135819388 4294956160 18446744073709551615 134617994 0 0 4096 1 0 0 0 17 1 0 0
/proc/13460/statm: 1280 1054 148 319 0 958 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5120

[startup+1.50104 s]
/proc/loadavg: 1.00 1.00 1.00 2/69 13461
/proc/meminfo: memFree=1788144/2055920 swapFree=4177828/4192956
[pid=13460] ppid=13458 vsize=5376 CPUtime=1.49
/proc/13460/stat : 13460 (hydrasat-flat) R 13458 13460 12445 0 -1 4194304 1148 0 0 0 149 0 0 0 25 0 1 0 1149185340 5505024 1127 1992294400 134512640 135819388 4294956160 18446744073709551615 134616996 0 0 4096 1 0 0 0 17 1 0 0
/proc/13460/statm: 1344 1127 148 319 0 1022 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5376

[startup+3.10115 s]
/proc/loadavg: 1.00 1.00 1.00 2/69 13461
/proc/meminfo: memFree=1787504/2055920 swapFree=4177828/4192956
[pid=13460] ppid=13458 vsize=6276 CPUtime=3.09
/proc/13460/stat : 13460 (hydrasat-flat) R 13458 13460 12445 0 -1 4194304 1348 0 0 0 309 0 0 0 25 0 1 0 1149185340 6426624 1327 1992294400 134512640 135819388 4294956160 18446744073709551615 134617068 0 0 4096 1 0 0 0 17 1 0 0
/proc/13460/statm: 1569 1327 148 319 0 1247 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6276

[startup+6.30136 s]
/proc/loadavg: 1.00 1.00 1.00 2/69 13461
/proc/meminfo: memFree=1786352/2055920 swapFree=4177828/4192956
[pid=13460] ppid=13458 vsize=7300 CPUtime=6.29
/proc/13460/stat : 13460 (hydrasat-flat) R 13458 13460 12445 0 -1 4194304 1606 0 0 0 629 0 0 0 25 0 1 0 1149185340 7475200 1585 1992294400 134512640 135819388 4294956160 18446744073709551615 134669402 0 0 4096 1 0 0 0 17 1 0 0
/proc/13460/statm: 1825 1585 148 319 0 1503 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7300

[startup+12.7018 s]
/proc/loadavg: 1.00 1.00 1.00 2/69 13461
/proc/meminfo: memFree=1783280/2055920 swapFree=4177828/4192956
[pid=13460] ppid=13458 vsize=10024 CPUtime=12.68
/proc/13460/stat : 13460 (hydrasat-flat) R 13458 13460 12445 0 -1 4194304 2262 0 0 0 1268 0 0 0 25 0 1 0 1149185340 10264576 2241 1992294400 134512640 135819388 4294956160 18446744073709551615 134617554 0 0 4096 1 0 0 0 17 1 0 0
/proc/13460/statm: 2506 2241 148 319 0 2184 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 10024

[startup+25.5016 s]
/proc/loadavg: 1.00 1.00 1.00 2/69 13461
/proc/meminfo: memFree=1781424/2055920 swapFree=4177828/4192956
[pid=13460] ppid=13458 vsize=11856 CPUtime=25.49
/proc/13460/stat : 13460 (hydrasat-flat) R 13458 13460 12445 0 -1 4194304 2742 0 0 0 2548 1 0 0 25 0 1 0 1149185340 12140544 2721 1992294400 134512640 135819388 4294956160 18446744073709551615 134617068 0 0 4096 1 0 0 0 17 1 0 0
/proc/13460/statm: 2964 2721 148 319 0 2642 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 11856

[startup+51.1014 s]
/proc/loadavg: 1.00 1.00 1.00 2/69 13461
/proc/meminfo: memFree=1775216/2055920 swapFree=4177828/4192956
[pid=13460] ppid=13458 vsize=18592 CPUtime=51.08
/proc/13460/stat : 13460 (hydrasat-flat) R 13458 13460 12445 0 -1 4194304 4354 0 0 0 5106 2 0 0 25 0 1 0 1149185340 19038208 4300 1992294400 134512640 135819388 4294956160 18446744073709551615 134617171 0 0 4096 1 0 0 0 17 1 0 0
/proc/13460/statm: 4648 4300 148 319 0 4326 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 18592

[startup+102.306 s]
/proc/loadavg: 1.00 1.00 1.00 2/69 13461
/proc/meminfo: memFree=1765616/2055920 swapFree=4177828/4192956
[pid=13460] ppid=13458 vsize=28704 CPUtime=102.27
/proc/13460/stat : 13460 (hydrasat-flat) R 13458 13460 12445 0 -1 4194304 6681 0 0 0 10223 4 0 0 25 0 1 0 1149185340 29392896 6601 1992294400 134512640 135819388 4294956160 18446744073709551615 134617068 0 0 4096 1 0 0 0 17 1 0 0
/proc/13460/statm: 7176 6601 148 319 0 6854 0
Current children cumulated CPU time (s) 102.27
Current children cumulated vsize (KiB) 28704

[startup+162.302 s]
/proc/loadavg: 1.00 1.00 1.00 2/69 13461
/proc/meminfo: memFree=1760944/2055920 swapFree=4177828/4192956
[pid=13460] ppid=13458 vsize=33928 CPUtime=162.26
/proc/13460/stat : 13460 (hydrasat-flat) R 13458 13460 12445 0 -1 4194304 7864 0 0 0 16220 6 0 0 25 0 1 0 1149185340 34742272 7784 1992294400 134512640 135819388 4294956160 18446744073709551615 135209128 0 0 4096 1 0 0 0 17 1 0 0
/proc/13460/statm: 8482 7784 148 319 0 8160 0
Current children cumulated CPU time (s) 162.26
Current children cumulated vsize (KiB) 33928

[startup+222.302 s]
/proc/loadavg: 1.00 1.00 1.00 2/69 13461
/proc/meminfo: memFree=1758064/2055920 swapFree=4177828/4192956
[pid=13460] ppid=13458 vsize=36904 CPUtime=222.24
/proc/13460/stat : 13460 (hydrasat-flat) R 13458 13460 12445 0 -1 4194304 8578 0 0 0 22217 7 0 0 25 0 1 0 1149185340 37789696 8498 1992294400 134512640 135819388 4294956160 18446744073709551615 134668022 0 0 4096 1 0 0 0 17 1 0 0
/proc/13460/statm: 9226 8498 148 319 0 8904 0
Current children cumulated CPU time (s) 222.24
Current children cumulated vsize (KiB) 36904

[startup+282.302 s]
/proc/loadavg: 1.00 1.00 1.00 2/69 13461
/proc/meminfo: memFree=1757552/2055920 swapFree=4177828/4192956
[pid=13460] ppid=13458 vsize=37448 CPUtime=282.22
/proc/13460/stat : 13460 (hydrasat-flat) R 13458 13460 12445 0 -1 4194304 8696 0 0 0 28215 7 0 0 25 0 1 0 1149185340 38346752 8616 1992294400 134512640 135819388 4294956160 18446744073709551615 134617068 0 0 4096 1 0 0 0 17 1 0 0
/proc/13460/statm: 9362 8616 148 319 0 9040 0
Current children cumulated CPU time (s) 282.22
Current children cumulated vsize (KiB) 37448

[startup+342.302 s]
/proc/loadavg: 1.00 1.00 1.00 2/69 13461
/proc/meminfo: memFree=1756144/2055920 swapFree=4177828/4192956
[pid=13460] ppid=13458 vsize=38956 CPUtime=342.21
/proc/13460/stat : 13460 (hydrasat-flat) R 13458 13460 12445 0 -1 4194304 9058 0 0 0 34213 8 0 0 25 0 1 0 1149185340 39890944 8913 1992294400 134512640 135819388 4294956160 18446744073709551615 134617068 0 0 4096 1 0 0 0 17 1 0 0
/proc/13460/statm: 9739 8913 148 319 0 9417 0
Current children cumulated CPU time (s) 342.21
Current children cumulated vsize (KiB) 38956

[startup+402.302 s]
/proc/loadavg: 1.00 1.00 1.00 2/69 13461
/proc/meminfo: memFree=1755440/2055920 swapFree=4177828/4192956
[pid=13460] ppid=13458 vsize=39892 CPUtime=402.19
/proc/13460/stat : 13460 (hydrasat-flat) R 13458 13460 12445 0 -1 4194304 9279 0 0 0 40211 8 0 0 25 0 1 0 1149185340 40849408 9134 1992294400 134512640 135819388 4294956160 18446744073709551615 134617068 0 0 4096 1 0 0 0 17 1 0 0
/proc/13460/statm: 9973 9134 148 319 0 9651 0
Current children cumulated CPU time (s) 402.19
Current children cumulated vsize (KiB) 39892

[startup+462.302 s]
/proc/loadavg: 1.00 1.00 1.00 2/69 13461
/proc/meminfo: memFree=1748592/2055920 swapFree=4177828/4192956
[pid=13460] ppid=13458 vsize=46976 CPUtime=462.18
/proc/13460/stat : 13460 (hydrasat-flat) R 13458 13460 12445 0 -1 4194304 10992 0 0 0 46208 10 0 0 25 0 1 0 1149185340 48103424 10847 1992294400 134512640 135819388 4294956160 18446744073709551615 134617068 0 0 4096 1 0 0 0 17 1 0 0
/proc/13460/statm: 11744 10847 148 319 0 11422 0
Current children cumulated CPU time (s) 462.18
Current children cumulated vsize (KiB) 46976

[startup+522.302 s]
/proc/loadavg: 1.00 1.00 1.00 2/69 13461
/proc/meminfo: memFree=1747120/2055920 swapFree=4177828/4192956
[pid=13460] ppid=13458 vsize=48292 CPUtime=522.16
/proc/13460/stat : 13460 (hydrasat-flat) R 13458 13460 12445 0 -1 4194304 11317 0 0 0 52205 11 0 0 25 0 1 0 1149185340 49451008 11172 1992294400 134512640 135819388 4294956160 18446744073709551615 134617068 0 0 4096 1 0 0 0 17 1 0 0
/proc/13460/statm: 12073 11172 148 319 0 11751 0
Current children cumulated CPU time (s) 522.16
Current children cumulated vsize (KiB) 48292

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

[startup+522.702 s]
/proc/loadavg: 1.00 1.00 1.00 2/69 13461
/proc/meminfo: memFree=1747120/2055920 swapFree=4177828/4192956
[pid=13460] ppid=13458 vsize=48292 CPUtime=522.56
/proc/13460/stat : 13460 (hydrasat-flat) R 13458 13460 12445 0 -1 4194304 11317 0 0 0 52245 11 0 0 25 0 1 0 1149185340 49451008 11172 1992294400 134512640 135819388 4294956160 18446744073709551615 134617068 0 0 4096 1 0 0 0 17 1 0 0
/proc/13460/statm: 12073 11172 148 319 0 11751 0
Current children cumulated CPU time (s) 522.56
Current children cumulated vsize (KiB) 48292

[startup+522.902 s]
/proc/loadavg: 1.00 1.00 1.00 2/69 13461
/proc/meminfo: memFree=1747120/2055920 swapFree=4177828/4192956
[pid=13460] ppid=13458 vsize=48292 CPUtime=522.76
/proc/13460/stat : 13460 (hydrasat-flat) R 13458 13460 12445 0 -1 4194304 11317 0 0 0 52265 11 0 0 25 0 1 0 1149185340 49451008 11172 1992294400 134512640 135819388 4294956160 18446744073709551615 134617190 0 0 4096 1 0 0 0 17 1 0 0
/proc/13460/statm: 12073 11172 148 319 0 11751 0
Current children cumulated CPU time (s) 522.76
Current children cumulated vsize (KiB) 48292

Child status: 10
Real time (s): 522.925
CPU time (s): 522.796
CPU user time (s): 522.675
CPU system time (s): 0.120981
CPU usage (%): 99.9753
Max. virtual memory (cumulated for all children) (KiB): 48292

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 522.675
system time used= 0.120981
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 11323
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= 725

runsolver used 0.488925 second user time and 1.42078 second system time

The end

Launcher Data 

Begin job on node52 at 2009-04-03 15:27:13
IDJOB=1561330
IDBENCH=70913
IDSOLVER=519
FILE ID=node52/1561330-1238765233
PBS_JOBID= 9085472
Free space on /tmp= 66536 MiB

SOLVER NAME= HydraSAT-Flat 2009-03-22-Flat
BENCH NAME= SAT09/APPLICATIONS/edgematching/compact/em_8_4_5_cmp.cnf
COMMAND LINE= DIR/hydrasat-flat BENCHNAME -rs RANDOMSEED -co memory_limit MEMLIMIT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561330-1238765233/watcher-1561330-1238765233 -o /tmp/evaluation-result-1561330-1238765233/solver-1561330-1238765233 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hydrasat-flat HOME/instance-1561330-1238765233.cnf -rs 1778572582 -co memory_limit 1800

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

MD5SUM BENCH= 0b9eae71c375cb5515f5dd7953424584
RANDOM SEED=1778572582

node52.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		: 3000.230
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		: 3000.230
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:       1792408 kB
Buffers:         28116 kB
Cached:         162752 kB
SwapCached:       8032 kB
Active:          91176 kB
Inactive:       109772 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1792408 kB
SwapTotal:     4192956 kB
SwapFree:      4177828 kB
Dirty:            1744 kB
Writeback:           0 kB
Mapped:          15768 kB
Slab:            48080 kB
Committed_AS:  3387968 kB
PageTables:       1748 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= 66536 MiB
End job on node52 at 2009-04-03 15:35:56