Trace number 332337

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
Spear 2007-02-12SAT 5.06323 5.06478

General information on the benchmark

Namecrafted/Medium/contest05/sabharwal/
sat-strips-gripper-10t19.sat05-1143.reshuffled-07.cnf
MD5SUM5f1638b2d73ac0a792b4a7e3c6c55623
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.14682
Satisfiable
(Un)Satisfiability was proved
Number of variables3390
Number of clauses53225
Sum of the clauses size108346
Maximum clause length22
Minimum clause length1
Number of clauses of size 137
Number of clauses of size 252453
Number of clauses of size 393
Number of clauses of size 4610
Number of clauses of size 50
Number of clauses of size over 532

Solver Data (download as text)

0.00/0.00	c (*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*) 
0.00/0.00	c (*)                                             (*) 
0.00/0.00	c (*)          Spear theorem prover               (*) 
0.00/0.00	c (*)        Copyright (C) 2006,2007              (*) 
0.00/0.00	c (*)     Domagoj Babic. All rights reserved.     (*) 
0.00/0.00	c (*)                                             (*) 
0.00/0.00	c (*)     There is NO warranty, not even for      (*) 
0.00/0.00	c (*) merchantability or fitness for a particular (*) 
0.00/0.00	c (*)  purpose. Please run with --license to see  (*) 
0.00/0.00	c (*)              license details.               (*) 
0.00/0.00	c (*)                                             (*) 
0.00/0.00	c (*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*) 
0.00/0.00	c 
0.00/0.00	c solving /tmp/evaluation/332337-1173474597/instance-332337-1173474597.cnf
5.00/5.06	s SATISFIABLE
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5.00/5.06	c runtime 5.06 [s]

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.1 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node16/watcher-332337-1173474597 -o ROOT/results/node16/solver-332337-1173474597 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/332337-1173474597/Spear-32 --model-stdout --time --dimacs /tmp/evaluation/332337-1173474597/instance-332337-1173474597.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: 0.79 0.92 0.95 3/77 10826
/proc/meminfo: memFree=1734440/2055920 swapFree=4159664/4192956
[pid=10826] ppid=10824 vsize=1932 CPUtime=0
/proc/10826/stat : 10826 (Spear-32) R 10824 10826 9066 0 -1 4194304 262 0 0 0 0 0 0 0 18 0 1 0 367414092 1978368 246 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 134518183 0 0 4096 0 0 0 0 17 1 0 0
/proc/10826/statm: 483 247 126 302 0 178 0

[startup+0.0364091 s]
/proc/loadavg: 0.79 0.92 0.95 3/77 10826
/proc/meminfo: memFree=1734440/2055920 swapFree=4159664/4192956
[pid=10826] ppid=10824 vsize=2744 CPUtime=0.03
/proc/10826/stat : 10826 (Spear-32) R 10824 10826 9066 0 -1 4194304 485 0 0 0 3 0 0 0 18 0 1 0 367414092 2809856 469 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 134533777 0 0 4096 0 0 0 0 17 1 0 0
/proc/10826/statm: 686 469 129 302 0 381 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 2744

[startup+0.101402 s]
/proc/loadavg: 0.79 0.92 0.95 3/77 10826
/proc/meminfo: memFree=1734440/2055920 swapFree=4159664/4192956
[pid=10826] ppid=10824 vsize=4588 CPUtime=0.09
/proc/10826/stat : 10826 (Spear-32) R 10824 10826 9066 0 -1 4194304 986 0 0 0 9 0 0 0 18 0 1 0 367414092 4698112 937 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/10826/statm: 1147 937 140 302 0 842 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4588

[startup+0.301521 s]
/proc/loadavg: 0.79 0.92 0.95 3/77 10826
/proc/meminfo: memFree=1734440/2055920 swapFree=4159664/4192956
[pid=10826] ppid=10824 vsize=4716 CPUtime=0.29
/proc/10826/stat : 10826 (Spear-32) R 10824 10826 9066 0 -1 4194304 1019 0 0 0 29 0 0 0 19 0 1 0 367414092 4829184 970 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/10826/statm: 1179 970 141 302 0 874 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4716

[startup+0.701329 s]
/proc/loadavg: 0.79 0.92 0.95 3/77 10826
/proc/meminfo: memFree=1734440/2055920 swapFree=4159664/4192956
[pid=10826] ppid=10824 vsize=5232 CPUtime=0.69
/proc/10826/stat : 10826 (Spear-32) R 10824 10826 9066 0 -1 4194304 1158 0 0 0 68 1 0 0 23 0 1 0 367414092 5357568 1109 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/10826/statm: 1308 1109 141 302 0 1003 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5232

[startup+1.50123 s]
/proc/loadavg: 0.79 0.92 0.95 2/78 10827
/proc/meminfo: memFree=1730080/2055920 swapFree=4159664/4192956
[pid=10826] ppid=10824 vsize=6168 CPUtime=1.49
/proc/10826/stat : 10826 (Spear-32) R 10824 10826 9066 0 -1 4194304 1394 0 0 0 147 2 0 0 25 0 1 0 367414092 6316032 1345 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/10826/statm: 1542 1345 141 302 0 1237 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6168

[startup+3.10104 s]
/proc/loadavg: 0.79 0.92 0.95 2/78 10827
/proc/meminfo: memFree=1728800/2055920 swapFree=4159664/4192956
[pid=10826] ppid=10824 vsize=7836 CPUtime=3.09
/proc/10826/stat : 10826 (Spear-32) R 10824 10826 9066 0 -1 4194304 1809 0 0 0 306 3 0 0 25 0 1 0 367414092 8024064 1760 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/10826/statm: 1959 1760 141 302 0 1654 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7836

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

[startup+3.90195 s]
/proc/loadavg: 0.79 0.92 0.95 2/78 10827
/proc/meminfo: memFree=1727648/2055920 swapFree=4159664/4192956
[pid=10826] ppid=10824 vsize=8608 CPUtime=3.89
/proc/10826/stat : 10826 (Spear-32) R 10824 10826 9066 0 -1 4194304 1982 0 0 0 385 4 0 0 25 0 1 0 367414092 8814592 1933 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/10826/statm: 2152 1933 141 302 0 1847 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 8608

[startup+4.70185 s]
/proc/loadavg: 0.81 0.93 0.95 2/78 10827
/proc/meminfo: memFree=1726624/2055920 swapFree=4159664/4192956
[pid=10826] ppid=10824 vsize=9376 CPUtime=4.69
/proc/10826/stat : 10826 (Spear-32) R 10824 10826 9066 0 -1 4194304 2176 0 0 0 465 4 0 0 25 0 1 0 367414092 9601024 2127 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/10826/statm: 2344 2127 141 302 0 2039 0
Current children cumulated CPU time (s) 4.69
Current children cumulated vsize (KiB) 9376

[startup+4.90183 s]
/proc/loadavg: 0.81 0.93 0.95 2/78 10827
/proc/meminfo: memFree=1726624/2055920 swapFree=4159664/4192956
[pid=10826] ppid=10824 vsize=9504 CPUtime=4.89
/proc/10826/stat : 10826 (Spear-32) R 10824 10826 9066 0 -1 4194304 2226 0 0 0 485 4 0 0 25 0 1 0 367414092 9732096 2177 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/10826/statm: 2376 2177 141 302 0 2071 0
Current children cumulated CPU time (s) 4.89
Current children cumulated vsize (KiB) 9504

[startup+5.00181 s]
/proc/loadavg: 0.81 0.93 0.95 2/78 10827
/proc/meminfo: memFree=1726624/2055920 swapFree=4159664/4192956
[pid=10826] ppid=10824 vsize=9632 CPUtime=5
/proc/10826/stat : 10826 (Spear-32) R 10824 10826 9066 0 -1 4194304 2247 0 0 0 495 5 0 0 25 0 1 0 367414092 9863168 2198 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/10826/statm: 2408 2198 141 302 0 2103 0
Current children cumulated CPU time (s) 5
Current children cumulated vsize (KiB) 9632

Child status: 10
Real time (s): 5.06478
CPU time (s): 5.06323
CPU user time (s): 5.01024
CPU system time (s): 0.052991
CPU usage (%): 99.9694
Max. virtual memory (cumulated for all children) (KiB): 9632

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.01024
system time used= 0.052991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2278
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= 8
involuntary context switches= 105

runsolver used 0.005999 second user time and 0.018997 second system time

The end

Launcher Data (download as text)

Begin job on node16 on Fri Mar  9 21:09:58 UTC 2007

IDJOB= 332337
IDBENCH= 24577
IDSOLVER= 133
FILE ID= node16/332337-1173474597

PBS_JOBID= 4101061

Free space on /tmp= 66441 MiB

SOLVER NAME= Spear 2007-02-12
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/sabharwal/sat-strips-gripper-10t19.sat05-1143.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/332337-1173474597/Spear-32 --model-stdout --time --dimacs /tmp/evaluation/332337-1173474597/instance-332337-1173474597.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node16/watcher-332337-1173474597 -o ROOT/results/node16/solver-332337-1173474597 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/332337-1173474597/Spear-32 --model-stdout --time --dimacs /tmp/evaluation/332337-1173474597/instance-332337-1173474597.cnf            

META MD5SUM SOLVER= 53b58dfa80430416a78fe762713f980c
MD5SUM BENCH=  5f1638b2d73ac0a792b4a7e3c6c55623

RANDOM SEED= 63180623

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node16.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		: 3000.281
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		: 3000.281
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:       1734848 kB
Buffers:         39404 kB
Cached:         200100 kB
SwapCached:       2712 kB
Active:         132104 kB
Inactive:       130944 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1734848 kB
SwapTotal:     4192956 kB
SwapFree:      4159664 kB
Dirty:            2360 kB
Writeback:           0 kB
Mapped:          31036 kB
Slab:            43680 kB
Committed_AS:  1328320 kB
PageTables:       1720 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= 66441 MiB

End job on node16 on Fri Mar  9 21:10:03 UTC 2007