Trace number 1541455

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
hybridGM7 7Signal 8.13576 8.13887

General information on the benchmark

NameRANDOM/MEDIUM/5SAT/SATISFIABLE/100/
unif-k5-r21.3-v100-c2130-S1920888253-090.cnf
MD5SUMbe6412148c18a5066c4c7814d492498d
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark5.9451
Satisfiable
(Un)Satisfiability was proved
Number of variables100
Number of clauses2130
Sum of the clauses size10650
Maximum clause length5
Minimum clause length5
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 52130
Number of clauses of size over 50

Solver Data 

0.00/0.03	c Heuristic : G2WSAT
0.00/0.03	c Hybrid barrier : 1 
0.00/0.03	c Problem instance: numAtoms = 100, numClauses = 2130, numLiterals = 10650
0.00/0.03	c General parameters: seed=125976916, cutoff=1000000000, targetCost = 0, print solution: yes
0.00/0.03	c gNovelty+ parameters: noise = 0, walkprob = 1, smoothprob = 100
0.00/0.03	c tries = 1
0.00/0.03	c

Verifier Data 

ERROR: Unexpected answer ! (SATISFIABLE/UNSATISFIABLE expected)
Got answer: <no 's ' line found>

Watcher Data 

runsolver version 3.2.9 (svn:489) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1541455-1238456440/watcher-1541455-1238456440 -o /tmp/evaluation-result-1541455-1238456440/solver-1541455-1238456440 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hybridGM7 HOME/instance-1541455-1238456440.cnf 125976916 

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 21636
/proc/meminfo: memFree=1686552/2055920 swapFree=4178496/4192956
[pid=21636] ppid=21634 vsize=260600 CPUtime=0
/proc/21636/stat : 21636 (hybridGM7) R 21634 21636 21446 0 -1 4194304 866 0 0 0 0 0 0 0 18 0 1 0 1118311228 266854400 851 1992294400 134512640 135204385 4294956224 18446744073709551615 134542712 0 0 4096 0 0 0 0 17 1 0 0
/proc/21636/statm: 65150 857 55 168 0 64980 0

[startup+0.0900051 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 21636
/proc/meminfo: memFree=1686552/2055920 swapFree=4178496/4192956
[pid=21636] ppid=21634 vsize=268548 CPUtime=0.08
/proc/21636/stat : 21636 (hybridGM7) R 21634 21636 21446 0 -1 4194304 4664 0 0 0 7 1 0 0 18 0 1 0 1118311228 274993152 4647 1992294400 134512640 135204385 4294956224 18446744073709551615 134536663 0 0 4096 0 0 0 0 17 1 0 0
/proc/21636/statm: 67137 4647 85 168 0 66967 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 268548

[startup+0.102007 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 21636
/proc/meminfo: memFree=1686552/2055920 swapFree=4178496/4192956
[pid=21636] ppid=21634 vsize=268548 CPUtime=0.09
/proc/21636/stat : 21636 (hybridGM7) R 21634 21636 21446 0 -1 4194304 4675 0 0 0 8 1 0 0 18 0 1 0 1118311228 274993152 4658 1992294400 134512640 135204385 4294956224 18446744073709551615 134537167 0 0 4096 0 0 0 0 17 1 0 0
/proc/21636/statm: 67137 4658 85 168 0 66967 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 268548

[startup+0.301038 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 21636
/proc/meminfo: memFree=1686552/2055920 swapFree=4178496/4192956
[pid=21636] ppid=21634 vsize=268796 CPUtime=0.29
/proc/21636/stat : 21636 (hybridGM7) R 21634 21636 21446 0 -1 4194304 4738 0 0 0 28 1 0 0 19 0 1 0 1118311228 275247104 4721 1992294400 134512640 135204385 4294956224 18446744073709551615 134536965 0 0 4096 0 0 0 0 17 1 0 0
/proc/21636/statm: 67199 4721 85 168 0 67029 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 268796

[startup+0.702102 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 21636
/proc/meminfo: memFree=1686552/2055920 swapFree=4178496/4192956
[pid=21636] ppid=21634 vsize=269252 CPUtime=0.69
/proc/21636/stat : 21636 (hybridGM7) R 21634 21636 21446 0 -1 4194304 4849 0 0 0 68 1 0 0 22 0 1 0 1118311228 275714048 4832 1992294400 134512640 135204385 4294956224 18446744073709551615 134536744 0 0 4096 0 0 0 0 17 1 0 0
/proc/21636/statm: 67313 4832 85 168 0 67143 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 269252

[startup+1.50123 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 21637
/proc/meminfo: memFree=1666960/2055920 swapFree=4178496/4192956
[pid=21636] ppid=21634 vsize=270404 CPUtime=1.49
/proc/21636/stat : 21636 (hybridGM7) R 21634 21636 21446 0 -1 4194304 5130 0 0 0 147 2 0 0 25 0 1 0 1118311228 276893696 5113 1992294400 134512640 135204385 4294956224 18446744073709551615 134537274 0 0 4096 0 0 0 0 17 1 0 0
/proc/21636/statm: 67601 5113 85 168 0 67431 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 270404

[startup+3.10149 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 21637
/proc/meminfo: memFree=1665296/2055920 swapFree=4178496/4192956
[pid=21636] ppid=21634 vsize=272800 CPUtime=3.09
/proc/21636/stat : 21636 (hybridGM7) R 21634 21636 21446 0 -1 4194304 5736 0 0 0 307 2 0 0 25 0 1 0 1118311228 279347200 5719 1992294400 134512640 135204385 4294956224 18446744073709551615 134587298 0 0 4096 0 0 0 0 17 1 0 0
/proc/21636/statm: 68200 5719 85 168 0 68030 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 272800

[startup+6.30201 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 21637
/proc/meminfo: memFree=1660304/2055920 swapFree=4178496/4192956
[pid=21636] ppid=21634 vsize=277528 CPUtime=6.29
/proc/21636/stat : 21636 (hybridGM7) R 21634 21636 21446 0 -1 4194304 6897 0 0 0 627 2 0 0 25 0 1 0 1118311228 284188672 6880 1992294400 134512640 135204385 4294956224 18446744073709551615 134536965 0 0 4096 0 0 0 0 17 1 0 0
/proc/21636/statm: 69382 6880 85 168 0 69212 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 277528

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

[startup+7.10114 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 21637
/proc/meminfo: memFree=1658704/2055920 swapFree=4178496/4192956
[pid=21636] ppid=21634 vsize=278704 CPUtime=7.09
/proc/21636/stat : 21636 (hybridGM7) R 21634 21636 21446 0 -1 4194304 7194 0 0 0 707 2 0 0 25 0 1 0 1118311228 285392896 7177 1992294400 134512640 135204385 4294956224 18446744073709551615 134531668 0 0 4096 0 0 0 0 17 1 0 0
/proc/21636/statm: 69676 7177 85 168 0 69506 0
Current children cumulated CPU time (s) 7.09
Current children cumulated vsize (KiB) 278704

[startup+7.90127 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 21637
/proc/meminfo: memFree=1657104/2055920 swapFree=4178496/4192956
[pid=21636] ppid=21634 vsize=279836 CPUtime=7.89
/proc/21636/stat : 21636 (hybridGM7) R 21634 21636 21446 0 -1 4194304 7479 0 0 0 787 2 0 0 25 0 1 0 1118311228 286552064 7462 1992294400 134512640 135204385 4294956224 18446744073709551615 134697985 0 0 4096 0 0 0 0 17 1 0 0
/proc/21636/statm: 69959 7462 85 168 0 69789 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 279836

[startup+8.1013 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 21637
/proc/meminfo: memFree=1657104/2055920 swapFree=4178496/4192956
[pid=21636] ppid=21634 vsize=279936 CPUtime=8.08
/proc/21636/stat : 21636 (hybridGM7) R 21634 21636 21446 0 -1 4195840 18379 0 0 0 796 12 0 0 25 0 1 0 1118311228 286654464 7495 1992294400 134512640 135204385 4294956224 18446744073709551615 134532951 0 0 4096 0 0 0 0 17 1 0 0
/proc/21636/statm: 69984 7495 85 168 0 69814 0
Current children cumulated CPU time (s) 8.08
Current children cumulated vsize (KiB) 279936

Child ended because it received signal 11 (SIGSEGV)
Child dumped core
Real time (s): 8.13887
CPU time (s): 8.13576
CPU user time (s): 7.96879
CPU system time (s): 0.166974
CPU usage (%): 99.9619
Max. virtual memory (cumulated for all children) (KiB): 279936

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.96879
system time used= 0.166974
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 19741
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= 18

runsolver used 0.010998 second user time and 0.019996 second system time

The end

Launcher Data 

Begin job on node3 at 2009-03-31 01:40:40
IDJOB=1541455
IDBENCH=70439
IDSOLVER=535
FILE ID=node3/1541455-1238456440
PBS_JOBID= 9061719
Free space on /tmp= 65972 MiB

SOLVER NAME= hybridGM7 7
BENCH NAME= SAT09/RANDOM/MEDIUM/5SAT/SATISFIABLE/100/unif-k5-r21.3-v100-c2130-S1920888253-090.cnf
COMMAND LINE= HOME/hybridGM7 BENCHNAME RANDOMSEED 
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1541455-1238456440/watcher-1541455-1238456440 -o /tmp/evaluation-result-1541455-1238456440/solver-1541455-1238456440 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hybridGM7 HOME/instance-1541455-1238456440.cnf 125976916 

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

MD5SUM BENCH= be6412148c18a5066c4c7814d492498d
RANDOM SEED=125976916

node3.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		: 3000.275
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		: 3000.275
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:       1686968 kB
Buffers:         71136 kB
Cached:         221500 kB
SwapCached:       8332 kB
Active:         246172 kB
Inactive:        56420 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1686968 kB
SwapTotal:     4192956 kB
SwapFree:      4178496 kB
Dirty:            1244 kB
Writeback:           0 kB
Mapped:          15672 kB
Slab:            52384 kB
Committed_AS:  2791220 kB
PageTables:       1376 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= 65944 MiB
End job on node3 at 2009-03-31 01:40:48