Trace number 1553259

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
clasp 1.2.0-SAT09-32UNSAT 140.457 140.514

General information on the benchmark

NameAPPLICATIONS/bitverif/
minxorminand/minxorminand064.cnf
MD5SUM1394bf507e3ed448c81b5502d6550d78
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark87.2857
Satisfiable
(Un)Satisfiability was proved
Number of variables40042
Number of clauses119357
Sum of the clauses size278497
Maximum clause length3
Minimum clause length1
Number of clauses of size 12
Number of clauses of size 279570
Number of clauses of size 339785
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

140.44/140.51	c clasp version 1.2.0-SAT09 
140.44/140.51	c Reading from ...712830/instance-1553259-1238712830.cnf
140.44/140.51	c Reading      : Done(0.070s)
140.44/140.51	c Preprocessing: |-\|Done(1.170s)
140.44/140.51	c Solving...
140.44/140.51	
140.44/140.51	c Models    : 0     
140.44/140.51	c Time         : 140.400s (Solve: 139.160s)
140.44/140.51	s UNSATISFIABLE

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1553259-1238712830/watcher-1553259-1238712830 -o /tmp/evaluation-result-1553259-1238712830/solver-1553259-1238712830 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/clasp --file=HOME/instance-1553259-1238712830.cnf --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512 

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: 0.91 0.98 1.07 3/64 31751
/proc/meminfo: memFree=1219056/2055920 swapFree=4179868/4192956
[pid=31751] ppid=31749 vsize=4788 CPUtime=0
/proc/31751/stat : 31751 (clasp) R 31749 31751 31686 0 -1 4194304 607 0 0 0 0 0 0 0 18 0 1 0 748175490 4902912 493 1992294400 134512640 136057169 4294956160 18446744073709551615 134834619 0 0 4096 16386 0 0 0 17 0 0 0
/proc/31751/statm: 1197 498 141 377 0 817 0

[startup+0.02348 s]
/proc/loadavg: 0.91 0.98 1.07 3/64 31751
/proc/meminfo: memFree=1219056/2055920 swapFree=4179868/4192956
[pid=31751] ppid=31749 vsize=6184 CPUtime=0.01
/proc/31751/stat : 31751 (clasp) R 31749 31751 31686 0 -1 4194304 1385 0 0 0 1 0 0 0 18 0 1 0 748175490 6332416 1271 1992294400 134512640 136057169 4294956160 18446744073709551615 135443142 0 0 4096 16386 0 0 0 17 0 0 0
/proc/31751/statm: 1546 1272 144 377 0 1166 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 6184

[startup+0.101491 s]
/proc/loadavg: 0.91 0.98 1.07 3/64 31751
/proc/meminfo: memFree=1219056/2055920 swapFree=4179868/4192956
[pid=31751] ppid=31749 vsize=11812 CPUtime=0.09
/proc/31751/stat : 31751 (clasp) R 31749 31751 31686 0 -1 4194304 3250 0 0 0 8 1 0 0 18 0 1 0 748175490 12095488 2672 1992294400 134512640 136057169 4294956160 18446744073709551615 135443142 0 0 4096 16386 0 0 0 17 0 0 0
/proc/31751/statm: 2953 2672 165 377 0 2573 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11812

[startup+0.301519 s]
/proc/loadavg: 0.91 0.98 1.07 3/64 31751
/proc/meminfo: memFree=1219056/2055920 swapFree=4179868/4192956
[pid=31751] ppid=31749 vsize=16568 CPUtime=0.29
/proc/31751/stat : 31751 (clasp) R 31749 31751 31686 0 -1 4194304 4438 0 0 0 28 1 0 0 19 0 1 0 748175490 16965632 3860 1992294400 134512640 136057169 4294956160 18446744073709551615 134765714 0 0 4096 16386 0 0 0 17 0 0 0
/proc/31751/statm: 4142 3860 170 377 0 3762 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 16568

[startup+0.701576 s]
/proc/loadavg: 0.91 0.98 1.07 3/64 31751
/proc/meminfo: memFree=1219056/2055920 swapFree=4179868/4192956
[pid=31751] ppid=31749 vsize=22508 CPUtime=0.69
/proc/31751/stat : 31751 (clasp) R 31749 31751 31686 0 -1 4194304 5928 0 0 0 68 1 0 0 23 0 1 0 748175490 23048192 5350 1992294400 134512640 136057169 4294956160 18446744073709551615 134766364 0 0 4096 16386 0 0 0 17 0 0 0
/proc/31751/statm: 5627 5350 170 377 0 5247 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 22508

[startup+1.50169 s]
/proc/loadavg: 0.91 0.98 1.07 2/65 31752
/proc/meminfo: memFree=1195888/2055920 swapFree=4179868/4192956
[pid=31751] ppid=31749 vsize=23532 CPUtime=1.49
/proc/31751/stat : 31751 (clasp) R 31749 31751 31686 0 -1 4194304 6799 0 0 0 147 2 0 0 25 0 1 0 748175490 24096768 5662 1992294400 134512640 136057169 4294956160 18446744073709551615 134812866 0 0 4096 16386 0 0 0 17 0 0 0
/proc/31751/statm: 5883 5662 182 377 0 5503 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 23532

[startup+3.10191 s]
/proc/loadavg: 0.91 0.98 1.07 2/65 31752
/proc/meminfo: memFree=1196720/2055920 swapFree=4179868/4192956
[pid=31751] ppid=31749 vsize=23532 CPUtime=3.09
/proc/31751/stat : 31751 (clasp) R 31749 31751 31686 0 -1 4194304 6799 0 0 0 307 2 0 0 25 0 1 0 748175490 24096768 5662 1992294400 134512640 136057169 4294956160 18446744073709551615 134649358 0 0 4096 16386 0 0 0 17 0 0 0
/proc/31751/statm: 5883 5662 182 377 0 5503 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 23532

[startup+6.30137 s]
/proc/loadavg: 0.92 0.98 1.07 2/65 31752
/proc/meminfo: memFree=1192688/2055920 swapFree=4179868/4192956
[pid=31751] ppid=31749 vsize=28812 CPUtime=6.29
/proc/31751/stat : 31751 (clasp) R 31749 31751 31686 0 -1 4194304 8080 0 0 0 627 2 0 0 25 0 1 0 748175490 29503488 6943 1992294400 134512640 136057169 4294956160 18446744073709551615 134615636 0 0 4096 16386 0 0 0 17 0 0 0
/proc/31751/statm: 7203 6943 182 377 0 6823 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 28812

[startup+12.7013 s]
/proc/loadavg: 0.93 0.98 1.07 2/65 31752
/proc/meminfo: memFree=1190192/2055920 swapFree=4179868/4192956
[pid=31751] ppid=31749 vsize=30280 CPUtime=12.69
/proc/31751/stat : 31751 (clasp) R 31749 31751 31686 0 -1 4194304 8453 0 0 0 1266 3 0 0 25 0 1 0 748175490 31006720 7316 1992294400 134512640 136057169 4294956160 18446744073709551615 134618265 0 0 4096 16386 0 0 0 17 0 0 0
/proc/31751/statm: 7570 7316 182 377 0 7190 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 30280

[startup+25.5011 s]
/proc/loadavg: 0.94 0.98 1.07 2/65 31752
/proc/meminfo: memFree=1187760/2055920 swapFree=4179868/4192956
[pid=31751] ppid=31749 vsize=32800 CPUtime=25.48
/proc/31751/stat : 31751 (clasp) R 31749 31751 31686 0 -1 4194304 9104 0 0 0 2545 3 0 0 25 0 1 0 748175490 33587200 7967 1992294400 134512640 136057169 4294956160 18446744073709551615 134615636 0 0 4096 16386 0 0 0 17 0 0 0
/proc/31751/statm: 8200 7967 182 377 0 7820 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 32800

[startup+51.1017 s]
/proc/loadavg: 0.96 0.98 1.07 2/65 31752
/proc/meminfo: memFree=1185136/2055920 swapFree=4179868/4192956
[pid=31751] ppid=31749 vsize=36804 CPUtime=51.07
/proc/31751/stat : 31751 (clasp) R 31749 31751 31686 0 -1 4194304 10076 0 0 0 5104 3 0 0 25 0 1 0 748175490 37687296 8939 1992294400 134512640 136057169 4294956160 18446744073709551615 135443063 0 0 4096 16386 0 0 0 17 0 0 0
/proc/31751/statm: 9201 8939 182 377 0 8821 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 36804

[startup+102.306 s]
/proc/loadavg: 0.98 0.98 1.06 2/65 31752
/proc/meminfo: memFree=1182384/2055920 swapFree=4179868/4192956
[pid=31751] ppid=31749 vsize=38124 CPUtime=102.26
/proc/31751/stat : 31751 (clasp) R 31749 31751 31686 0 -1 4194304 10428 0 0 0 10222 4 0 0 25 0 1 0 748175490 39038976 9291 1992294400 134512640 136057169 4294956160 18446744073709551615 134823938 0 0 4096 16386 0 0 0 17 0 0 0
/proc/31751/statm: 9531 9291 182 377 0 9151 0
Current children cumulated CPU time (s) 102.26
Current children cumulated vsize (KiB) 38124

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

[startup+127.902 s]
/proc/loadavg: 0.99 0.98 1.06 2/65 31752
/proc/meminfo: memFree=1180080/2055920 swapFree=4179868/4192956
[pid=31751] ppid=31749 vsize=40516 CPUtime=127.84
/proc/31751/stat : 31751 (clasp) R 31749 31751 31686 0 -1 4194304 11020 0 0 0 12780 4 0 0 25 0 1 0 748175490 41488384 9883 1992294400 134512640 136057169 4294956160 18446744073709551615 134613067 0 0 4096 16386 0 0 0 17 0 0 0
/proc/31751/statm: 10129 9883 182 377 0 9749 0
Current children cumulated CPU time (s) 127.84
Current children cumulated vsize (KiB) 40516

[startup+134.301 s]
/proc/loadavg: 0.99 0.98 1.06 2/65 31752
/proc/meminfo: memFree=1179504/2055920 swapFree=4179868/4192956
[pid=31751] ppid=31749 vsize=41044 CPUtime=134.23
/proc/31751/stat : 31751 (clasp) R 31749 31751 31686 0 -1 4194304 11159 0 0 0 13419 4 0 0 25 0 1 0 748175490 42029056 10022 1992294400 134512640 136057169 4294956160 18446744073709551615 134618141 0 0 4096 16386 0 0 0 17 0 0 0
/proc/31751/statm: 10261 10022 182 377 0 9881 0
Current children cumulated CPU time (s) 134.23
Current children cumulated vsize (KiB) 41044

[startup+137.506 s]
/proc/loadavg: 0.99 0.98 1.06 2/65 31752
/proc/meminfo: memFree=1179504/2055920 swapFree=4179868/4192956
[pid=31751] ppid=31749 vsize=41044 CPUtime=137.44
/proc/31751/stat : 31751 (clasp) R 31749 31751 31686 0 -1 4194304 11159 0 0 0 13740 4 0 0 25 0 1 0 748175490 42029056 10022 1992294400 134512640 136057169 4294956160 18446744073709551615 134823686 0 0 4096 16386 0 0 0 17 0 0 0
/proc/31751/statm: 10261 10022 182 377 0 9881 0
Current children cumulated CPU time (s) 137.44
Current children cumulated vsize (KiB) 41044

[startup+139.101 s]
/proc/loadavg: 0.99 0.98 1.06 2/65 31752
/proc/meminfo: memFree=1179504/2055920 swapFree=4179868/4192956
[pid=31751] ppid=31749 vsize=41044 CPUtime=139.03
/proc/31751/stat : 31751 (clasp) R 31749 31751 31686 0 -1 4194304 11159 0 0 0 13899 4 0 0 25 0 1 0 748175490 42029056 10022 1992294400 134512640 136057169 4294956160 18446744073709551615 134624629 0 0 4096 16386 0 0 0 17 0 0 0
/proc/31751/statm: 10261 10022 182 377 0 9881 0
Current children cumulated CPU time (s) 139.03
Current children cumulated vsize (KiB) 41044

[startup+139.901 s]
/proc/loadavg: 0.99 0.98 1.06 2/65 31752
/proc/meminfo: memFree=1179504/2055920 swapFree=4179868/4192956
[pid=31751] ppid=31749 vsize=41044 CPUtime=139.83
/proc/31751/stat : 31751 (clasp) R 31749 31751 31686 0 -1 4194304 11159 0 0 0 13979 4 0 0 25 0 1 0 748175490 42029056 10022 1992294400 134512640 136057169 4294956160 18446744073709551615 134618430 0 0 4096 16386 0 0 0 17 0 0 0
/proc/31751/statm: 10261 10022 182 377 0 9881 0
Current children cumulated CPU time (s) 139.83
Current children cumulated vsize (KiB) 41044

[startup+140.301 s]
/proc/loadavg: 0.99 0.98 1.06 2/65 31752
/proc/meminfo: memFree=1179504/2055920 swapFree=4179868/4192956
[pid=31751] ppid=31749 vsize=41044 CPUtime=140.23
/proc/31751/stat : 31751 (clasp) R 31749 31751 31686 0 -1 4194304 11159 0 0 0 14019 4 0 0 25 0 1 0 748175490 42029056 10022 1992294400 134512640 136057169 4294956160 18446744073709551615 134618265 0 0 4096 16386 0 0 0 17 0 0 0
/proc/31751/statm: 10261 10022 182 377 0 9881 0
Current children cumulated CPU time (s) 140.23
Current children cumulated vsize (KiB) 41044

[startup+140.501 s]
/proc/loadavg: 0.99 0.98 1.06 2/65 31752
/proc/meminfo: memFree=1179504/2055920 swapFree=4179868/4192956
[pid=31751] ppid=31749 vsize=19012 CPUtime=140.44
/proc/31751/stat : 31751 (clasp) R 31749 31751 31686 0 -1 4194304 11164 0 0 0 14039 5 0 0 25 0 1 0 748175490 19468288 4541 1992294400 134512640 136057169 4294956160 18446744073709551615 135439450 0 0 4096 16386 0 0 0 17 0 0 0
/proc/31751/statm: 4753 4541 187 377 0 4373 0
Current children cumulated CPU time (s) 140.44
Current children cumulated vsize (KiB) 19012

Child status: 20
Real time (s): 140.514
CPU time (s): 140.457
CPU user time (s): 140.404
CPU system time (s): 0.052991
CPU usage (%): 99.9591
Max. virtual memory (cumulated for all children) (KiB): 41044

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 140.404
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= 11164
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= 364

runsolver used 0.123981 second user time and 0.39194 second system time

The end

Launcher Data 

Begin job on node49 at 2009-04-03 00:53:51
IDJOB=1553259
IDBENCH=70758
IDSOLVER=508
FILE ID=node49/1553259-1238712830
PBS_JOBID= 9085311
Free space on /tmp= 66384 MiB

SOLVER NAME= clasp 1.2.0-SAT09-32
BENCH NAME= SAT09/APPLICATIONS/bitverif/minxorminand/minxorminand064.cnf
COMMAND LINE= HOME/clasp --file=BENCHNAME --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1553259-1238712830/watcher-1553259-1238712830 -o /tmp/evaluation-result-1553259-1238712830/solver-1553259-1238712830 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/clasp --file=HOME/instance-1553259-1238712830.cnf --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512

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

MD5SUM BENCH= 1394bf507e3ed448c81b5502d6550d78
RANDOM SEED=1160821302

node49.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		: 3000.214
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	: 5931.00
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		: 3000.214
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:       1219536 kB
Buffers:        114584 kB
Cached:         613568 kB
SwapCached:       6452 kB
Active:         265548 kB
Inactive:       471432 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1219536 kB
SwapTotal:     4192956 kB
SwapFree:      4179868 kB
Dirty:            3736 kB
Writeback:           0 kB
Mapped:          14600 kB
Slab:            85256 kB
Committed_AS:  2166004 kB
PageTables:       1384 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66384 MiB
End job on node49 at 2009-04-03 00:56:11