Trace number 333173

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
MiraXT v2SAT 6.08507 6.09608

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
MD5SUM50ea7ab54b71dd15b01cd5fd293d58eb
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.77773
Satisfiable
(Un)Satisfiability was proved
Number of variables2765
Number of clauses18046
Sum of the clauses size127926
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2400
Number of clauses of size 32372
Number of clauses of size 4481
Number of clauses of size 5648
Number of clauses of size over 514110

Solver Data (download as text)

0.00/0.00	c Starting MiraXTv2...
5.98/6.07	s SATISFIABLE
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Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.4 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node3/watcher-333173-1178896973 -o ROOT/results/node3/solver-333173-1178896973 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/333173-1178896973/MiraXTv2_dyn /tmp/evaluation/333173-1178896973/instance-333173-1178896973.cnf 

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): 2400 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: 1.63 1.83 1.53 3/77 20036
/proc/meminfo: memFree=1796512/2055920 swapFree=4138684/4192956
[pid=20036] ppid=20034 vsize=3788 CPUtime=0
/proc/20036/stat : 20036 (MiraXTv2_dyn) R 20034 20036 18354 0 -1 4194304 435 0 0 0 0 0 0 0 18 0 1 0 365735108 3878912 410 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 11359867 0 0 4096 0 0 0 0 17 0 0 0
/proc/20036/statm: 947 411 205 20 0 305 0

[startup+0.01739 s]
/proc/loadavg: 1.63 1.83 1.53 3/77 20036
/proc/meminfo: memFree=1796512/2055920 swapFree=4138684/4192956
[pid=20036] ppid=20034 vsize=4592 CPUtime=0.01
/proc/20036/stat : 20036 (MiraXTv2_dyn) R 20034 20036 18354 0 -1 4194304 634 0 0 0 1 0 0 0 18 0 1 0 365735108 4702208 609 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 11359867 0 0 4096 0 0 0 0 17 0 0 0
/proc/20036/statm: 1148 609 206 20 0 506 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 4592

[startup+0.101405 s]
/proc/loadavg: 1.63 1.83 1.53 3/77 20036
/proc/meminfo: memFree=1796512/2055920 swapFree=4138684/4192956
[pid=20036] ppid=20034 vsize=5980 CPUtime=0.09
/proc/20036/stat : 20036 (MiraXTv2_dyn) R 20034 20036 18354 0 -1 4194304 974 0 0 0 9 0 0 0 18 0 1 0 365735108 6123520 949 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 134579934 0 0 4096 0 0 0 0 17 0 0 0
/proc/20036/statm: 1495 949 207 20 0 853 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5980

[startup+0.301437 s]
/proc/loadavg: 1.63 1.83 1.53 3/77 20036
/proc/meminfo: memFree=1796512/2055920 swapFree=4138684/4192956
[pid=20036] ppid=20034 vsize=8384 CPUtime=0.29
/proc/20036/stat : 20036 (MiraXTv2_dyn) S 20034 20036 18354 0 -1 4194304 1330 0 0 0 29 0 0 0 18 0 2 0 365735108 8585216 1259 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/20036/statm: 2096 1259 218 20 0 1454 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8384

[startup+0.701501 s]
/proc/loadavg: 1.63 1.83 1.53 3/77 20036
/proc/meminfo: memFree=1796512/2055920 swapFree=4138684/4192956
[pid=20036] ppid=20034 vsize=9704 CPUtime=0.69
/proc/20036/stat : 20036 (MiraXTv2_dyn) S 20034 20036 18354 0 -1 4194304 1688 0 0 0 69 0 0 0 18 0 2 0 365735108 9936896 1617 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/20036/statm: 2426 1617 218 20 0 1784 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9704

[startup+1.50163 s]
/proc/loadavg: 1.63 1.83 1.53 2/79 20038
/proc/meminfo: memFree=1789968/2055920 swapFree=4138684/4192956
[pid=20036] ppid=20034 vsize=11952 CPUtime=1.49
/proc/20036/stat : 20036 (MiraXTv2_dyn) S 20034 20036 18354 0 -1 4194304 2117 0 0 0 148 1 0 0 18 0 2 0 365735108 12238848 2046 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/20036/statm: 2988 2046 218 20 0 2346 0
[pid=20036/tid=20038] ppid=20034 vsize=11952 CPUtime=1.29
/proc/20036/task/20038/stat : 20038 (MiraXTv2_dyn) R 20034 20036 18354 0 -1 4194368 1016 0 0 0 129 0 0 0 25 0 2 0 365735127 12238848 2046 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 134526435 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 11952

[startup+3.10189 s]
/proc/loadavg: 1.58 1.81 1.53 2/79 20038
/proc/meminfo: memFree=1788624/2055920 swapFree=4138684/4192956
[pid=20036] ppid=20034 vsize=13836 CPUtime=3.08
/proc/20036/stat : 20036 (MiraXTv2_dyn) S 20034 20036 18354 0 -1 4194304 2647 0 0 0 307 1 0 0 18 0 2 0 365735108 14168064 2576 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/20036/statm: 3459 2576 218 20 0 2817 0
[pid=20036/tid=20038] ppid=20034 vsize=13836 CPUtime=2.89
/proc/20036/task/20038/stat : 20038 (MiraXTv2_dyn) R 20034 20036 18354 0 -1 4194368 1546 0 0 0 289 0 0 0 25 0 2 0 365735127 14168064 2576 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 11359867 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 13836

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

[startup+4.70115 s]
/proc/loadavg: 1.58 1.81 1.53 2/79 20038
/proc/meminfo: memFree=1785040/2055920 swapFree=4138684/4192956
[pid=20036] ppid=20034 vsize=16360 CPUtime=4.69
/proc/20036/stat : 20036 (MiraXTv2_dyn) S 20034 20036 18354 0 -1 4194304 3261 0 0 0 467 2 0 0 18 0 2 0 365735108 16752640 3190 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/20036/statm: 4090 3190 218 20 0 3448 0
[pid=20036/tid=20038] ppid=20034 vsize=16360 CPUtime=4.49
/proc/20036/task/20038/stat : 20038 (MiraXTv2_dyn) R 20034 20036 18354 0 -1 4194368 2160 0 0 0 448 1 0 0 25 0 2 0 365735127 16752640 3190 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 134526704 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 4.69
Current children cumulated vsize (KiB) 16360

[startup+5.50528 s]
/proc/loadavg: 1.58 1.81 1.53 2/79 20038
/proc/meminfo: memFree=1783376/2055920 swapFree=4138684/4192956
[pid=20036] ppid=20034 vsize=17288 CPUtime=5.49
/proc/20036/stat : 20036 (MiraXTv2_dyn) S 20034 20036 18354 0 -1 4194304 3511 0 0 0 547 2 0 0 18 0 2 0 365735108 17702912 3440 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/20036/statm: 4322 3440 218 20 0 3680 0
[pid=20036/tid=20038] ppid=20034 vsize=17288 CPUtime=5.29
/proc/20036/task/20038/stat : 20038 (MiraXTv2_dyn) R 20034 20036 18354 0 -1 4194368 2410 0 0 0 528 1 0 0 25 0 2 0 365735127 17702912 3440 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 134526686 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 5.49
Current children cumulated vsize (KiB) 17288

[startup+5.90134 s]
/proc/loadavg: 1.58 1.81 1.53 2/79 20038
/proc/meminfo: memFree=1783376/2055920 swapFree=4138684/4192956
[pid=20036] ppid=20034 vsize=17684 CPUtime=5.88
/proc/20036/stat : 20036 (MiraXTv2_dyn) S 20034 20036 18354 0 -1 4194304 3616 0 0 0 586 2 0 0 18 0 2 0 365735108 18108416 3545 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/20036/statm: 4421 3545 218 20 0 3779 0
[pid=20036/tid=20038] ppid=20034 vsize=17684 CPUtime=5.69
/proc/20036/task/20038/stat : 20038 (MiraXTv2_dyn) R 20034 20036 18354 0 -1 4194368 2515 0 0 0 568 1 0 0 25 0 2 0 365735127 18108416 3545 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 134526691 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 5.88
Current children cumulated vsize (KiB) 17684

[startup+6.00136 s]
/proc/loadavg: 1.58 1.81 1.53 2/79 20038
/proc/meminfo: memFree=1783376/2055920 swapFree=4138684/4192956
[pid=20036] ppid=20034 vsize=17816 CPUtime=5.98
/proc/20036/stat : 20036 (MiraXTv2_dyn) S 20034 20036 18354 0 -1 4194304 3646 0 0 0 596 2 0 0 18 0 2 0 365735108 18243584 3575 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/20036/statm: 4454 3575 218 20 0 3812 0
[pid=20036/tid=20038] ppid=20034 vsize=17816 CPUtime=5.79
/proc/20036/task/20038/stat : 20038 (MiraXTv2_dyn) R 20034 20036 18354 0 -1 4194368 2545 0 0 0 578 1 0 0 25 0 2 0 365735127 18243584 3575 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 134526290 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 5.98
Current children cumulated vsize (KiB) 17816

Child status: 10
Real time (s): 6.09608
CPU time (s): 6.08507
CPU user time (s): 6.05608
CPU system time (s): 0.028995
CPU usage (%): 99.8195
Max. virtual memory (cumulated for all children) (KiB): 17816

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.05608
system time used= 0.028995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3678
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= 16
involuntary context switches= 45

runsolver used 0.008998 second user time and 0.017997 second system time

The end

Launcher Data (download as text)

Begin job on node3 on Fri May 11 15:22:54 UTC 2007

IDJOB= 333173
IDBENCH= 24597
IDSOLVER= 129
FILE ID= node3/333173-1178896973

PBS_JOBID= 5251068

Free space on /tmp= 66560 MiB

SOLVER NAME= MiraXT v2
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/333173-1178896973/MiraXTv2_dyn /tmp/evaluation/333173-1178896973/instance-333173-1178896973.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node3/watcher-333173-1178896973 -o ROOT/results/node3/solver-333173-1178896973 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/333173-1178896973/MiraXTv2_dyn /tmp/evaluation/333173-1178896973/instance-333173-1178896973.cnf            

META MD5SUM SOLVER= 2ad149617ed8d249d89b067eb44c33da
MD5SUM BENCH=  50ea7ab54b71dd15b01cd5fd293d58eb

RANDOM SEED= 795268322

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node3.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		: 3000.270
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		: 3000.270
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:       1796728 kB
Buffers:         41688 kB
Cached:         151276 kB
SwapCached:      18176 kB
Active:         115728 kB
Inactive:       101376 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1796728 kB
SwapTotal:     4192956 kB
SwapFree:      4138684 kB
Dirty:            4800 kB
Writeback:           0 kB
Mapped:          29976 kB
Slab:            27616 kB
Committed_AS: 11513372 kB
PageTables:       1780 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= 66560 MiB

End job on node3 on Fri May 11 15:23:00 UTC 2007