Trace number 1553322

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-FlatUNSAT 240.92 240.98

General information on the benchmark

NameAPPLICATIONS/bitverif/
minxorminand/minxorminand032.cnf
MD5SUM49dda3faa6676166ee2ccb89f6cd8ca0
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark7.59684
Satisfiable
(Un)Satisfiability was proved
Number of variables10794
Number of clauses31997
Sum of the clauses size74657
Maximum clause length3
Minimum clause length1
Number of clauses of size 12
Number of clauses of size 221330
Number of clauses of size 310665
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

240.84/240.97	
240.84/240.97	c decisions : 2136280
240.84/240.97	c conflicts : 822158
240.84/240.97	c Memory limit 1620 MiB
240.84/240.97	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-1553322-1238713546/watcher-1553322-1238713546 -o /tmp/evaluation-result-1553322-1238713546/solver-1553322-1238713546 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hydrasat-flat HOME/instance-1553322-1238713546.cnf -rs 61980772 -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: 1.10 1.03 1.05 3/64 10738
/proc/meminfo: memFree=1121368/2055920 swapFree=4176444/4192956
[pid=10738] ppid=10736 vsize=1756 CPUtime=0
/proc/10738/stat : 10738 (hydrasat-flat) R 10736 10738 10429 0 -1 4194304 200 0 0 0 0 0 0 0 18 0 1 0 1144019960 1798144 184 1992294400 134512640 135819388 4294956160 18446744073709551615 135210678 0 0 4096 1 0 0 0 17 1 0 0
/proc/10738/statm: 439 184 119 319 0 117 0

[startup+0.0972921 s]
/proc/loadavg: 1.10 1.03 1.05 3/64 10738
/proc/meminfo: memFree=1121368/2055920 swapFree=4176444/4192956
[pid=10738] ppid=10736 vsize=5012 CPUtime=0.09
/proc/10738/stat : 10738 (hydrasat-flat) R 10736 10738 10429 0 -1 4194304 1032 0 0 0 9 0 0 0 18 0 1 0 1144019960 5132288 1016 1992294400 134512640 135819388 4294956160 18446744073709551615 135210678 0 0 4096 1 0 0 0 17 1 0 0
/proc/10738/statm: 1253 1016 128 319 0 931 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5012

[startup+0.101292 s]
/proc/loadavg: 1.10 1.03 1.05 3/64 10738
/proc/meminfo: memFree=1121368/2055920 swapFree=4176444/4192956
[pid=10738] ppid=10736 vsize=5144 CPUtime=0.09
/proc/10738/stat : 10738 (hydrasat-flat) R 10736 10738 10429 0 -1 4194304 1055 0 0 0 9 0 0 0 18 0 1 0 1144019960 5267456 1039 1992294400 134512640 135819388 4294956160 18446744073709551615 135210678 0 0 4096 1 0 0 0 17 1 0 0
/proc/10738/statm: 1286 1040 128 319 0 964 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5144

[startup+0.301311 s]
/proc/loadavg: 1.10 1.03 1.05 3/64 10738
/proc/meminfo: memFree=1121368/2055920 swapFree=4176444/4192956
[pid=10738] ppid=10736 vsize=8348 CPUtime=0.29
/proc/10738/stat : 10738 (hydrasat-flat) R 10736 10738 10429 0 -1 4194304 1899 0 0 0 29 0 0 0 19 0 1 0 1144019960 8548352 1787 1992294400 134512640 135819388 4294956160 18446744073709551615 134520763 0 0 4096 1 0 0 0 17 1 0 0
/proc/10738/statm: 2087 1787 128 319 0 1765 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8348

[startup+0.701354 s]
/proc/loadavg: 1.10 1.03 1.05 3/64 10738
/proc/meminfo: memFree=1121368/2055920 swapFree=4176444/4192956
[pid=10738] ppid=10736 vsize=10756 CPUtime=0.69
/proc/10738/stat : 10738 (hydrasat-flat) R 10736 10738 10429 0 -1 4194304 2538 0 0 0 69 0 0 0 23 0 1 0 1144019960 11014144 2360 1992294400 134512640 135819388 4294956160 18446744073709551615 134592796 0 0 4096 1 0 0 0 17 1 0 0
/proc/10738/statm: 2689 2360 148 319 0 2367 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10756

[startup+1.50143 s]
/proc/loadavg: 1.10 1.03 1.05 2/65 10739
/proc/meminfo: memFree=1112400/2055920 swapFree=4176444/4192956
[pid=10738] ppid=10736 vsize=10888 CPUtime=1.49
/proc/10738/stat : 10738 (hydrasat-flat) R 10736 10738 10429 0 -1 4194304 2598 0 0 0 149 0 0 0 25 0 1 0 1144019960 11149312 2420 1992294400 134512640 135819388 4294956160 18446744073709551615 134668470 0 0 4096 1 0 0 0 17 1 0 0
/proc/10738/statm: 2722 2420 148 319 0 2400 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 10888

[startup+3.1016 s]
/proc/loadavg: 1.10 1.03 1.05 3/65 10739
/proc/meminfo: memFree=1111888/2055920 swapFree=4176444/4192956
[pid=10738] ppid=10736 vsize=11548 CPUtime=3.09
/proc/10738/stat : 10738 (hydrasat-flat) R 10736 10738 10429 0 -1 4194304 2740 0 0 0 309 0 0 0 25 0 1 0 1144019960 11825152 2562 1992294400 134512640 135819388 4294956160 18446744073709551615 134617707 0 0 4096 1 0 0 0 17 1 0 0
/proc/10738/statm: 2887 2562 148 319 0 2565 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 11548

[startup+6.30192 s]
/proc/loadavg: 1.10 1.03 1.05 2/65 10739
/proc/meminfo: memFree=1111504/2055920 swapFree=4176444/4192956
[pid=10738] ppid=10736 vsize=11548 CPUtime=6.29
/proc/10738/stat : 10738 (hydrasat-flat) R 10736 10738 10429 0 -1 4194304 2755 0 0 0 628 1 0 0 25 0 1 0 1144019960 11825152 2577 1992294400 134512640 135819388 4294956160 18446744073709551615 134669061 0 0 4096 1 0 0 0 17 1 0 0
/proc/10738/statm: 2887 2577 148 319 0 2565 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 11548

[startup+12.7016 s]
/proc/loadavg: 1.09 1.03 1.05 2/65 10739
/proc/meminfo: memFree=1111056/2055920 swapFree=4176444/4192956
[pid=10738] ppid=10736 vsize=11828 CPUtime=12.69
/proc/10738/stat : 10738 (hydrasat-flat) R 10736 10738 10429 0 -1 4194304 2833 0 0 0 1268 1 0 0 25 0 1 0 1144019960 12111872 2655 1992294400 134512640 135819388 4294956160 18446744073709551615 134616760 0 0 4096 1 0 0 0 17 1 0 0
/proc/10738/statm: 2957 2655 148 319 0 2635 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 11828

[startup+25.5019 s]
/proc/loadavg: 1.07 1.03 1.05 2/65 10739
/proc/meminfo: memFree=1109968/2055920 swapFree=4176444/4192956
[pid=10738] ppid=10736 vsize=13020 CPUtime=25.49
/proc/10738/stat : 10738 (hydrasat-flat) R 10736 10738 10429 0 -1 4194304 3109 0 0 0 2548 1 0 0 25 0 1 0 1144019960 13332480 2931 1992294400 134512640 135819388 4294956160 18446744073709551615 134592753 0 0 4096 1 0 0 0 17 1 0 0
/proc/10738/statm: 3255 2931 148 319 0 2933 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 13020

[startup+51.1015 s]
/proc/loadavg: 1.04 1.02 1.04 2/65 10739
/proc/meminfo: memFree=1107920/2055920 swapFree=4176444/4192956
[pid=10738] ppid=10736 vsize=15000 CPUtime=51.08
/proc/10738/stat : 10738 (hydrasat-flat) R 10736 10738 10429 0 -1 4194304 3609 0 0 0 5106 2 0 0 25 0 1 0 1144019960 15360000 3431 1992294400 134512640 135819388 4294956160 18446744073709551615 134669090 0 0 4096 1 0 0 0 17 1 0 0
/proc/10738/statm: 3750 3431 148 319 0 3428 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 15000

[startup+102.306 s]
/proc/loadavg: 1.02 1.02 1.04 2/65 10739
/proc/meminfo: memFree=1103184/2055920 swapFree=4176444/4192956
[pid=10738] ppid=10736 vsize=20052 CPUtime=102.27
/proc/10738/stat : 10738 (hydrasat-flat) R 10736 10738 10429 0 -1 4194304 4810 0 0 0 10225 2 0 0 25 0 1 0 1144019960 20533248 4632 1992294400 134512640 135819388 4294956160 18446744073709551615 134617237 0 0 4096 1 0 0 0 17 1 0 0
/proc/10738/statm: 5013 4632 148 319 0 4691 0
Current children cumulated CPU time (s) 102.27
Current children cumulated vsize (KiB) 20052

[startup+162.302 s]
/proc/loadavg: 1.00 1.01 1.03 2/65 10739
/proc/meminfo: memFree=1100240/2055920 swapFree=4176444/4192956
[pid=10738] ppid=10736 vsize=23252 CPUtime=162.25
/proc/10738/stat : 10738 (hydrasat-flat) R 10736 10738 10429 0 -1 4194304 5538 0 0 0 16222 3 0 0 25 0 1 0 1144019960 23810048 5360 1992294400 134512640 135819388 4294956160 18446744073709551615 134617242 0 0 4096 1 0 0 0 17 1 0 0
/proc/10738/statm: 5813 5360 148 319 0 5491 0
Current children cumulated CPU time (s) 162.25
Current children cumulated vsize (KiB) 23252

[startup+222.302 s]
/proc/loadavg: 1.00 1.01 1.03 2/65 10739
/proc/meminfo: memFree=1096848/2055920 swapFree=4176444/4192956
[pid=10738] ppid=10736 vsize=27136 CPUtime=222.23
/proc/10738/stat : 10738 (hydrasat-flat) R 10736 10738 10429 0 -1 4194304 6390 0 0 0 22220 3 0 0 25 0 1 0 1144019960 27787264 6212 1992294400 134512640 135819388 4294956160 18446744073709551615 134669282 0 0 4096 1 0 0 0 17 1 0 0
/proc/10738/statm: 6784 6212 148 319 0 6462 0
Current children cumulated CPU time (s) 222.23
Current children cumulated vsize (KiB) 27136

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

[startup+230.302 s]
/proc/loadavg: 1.00 1.01 1.03 2/65 10739
/proc/meminfo: memFree=1096400/2055920 swapFree=4176444/4192956
[pid=10738] ppid=10736 vsize=27772 CPUtime=230.24
/proc/10738/stat : 10738 (hydrasat-flat) R 10736 10738 10429 0 -1 4194304 6504 0 0 0 23020 4 0 0 25 0 1 0 1144019960 28438528 6326 1992294400 134512640 135819388 4294956160 18446744073709551615 134669093 0 0 4096 1 0 0 0 17 1 0 0
/proc/10738/statm: 6943 6326 148 319 0 6621 0
Current children cumulated CPU time (s) 230.24
Current children cumulated vsize (KiB) 27772

[startup+236.701 s]
/proc/loadavg: 1.00 1.01 1.03 2/65 10739
/proc/meminfo: memFree=1096080/2055920 swapFree=4176444/4192956
[pid=10738] ppid=10736 vsize=28072 CPUtime=236.63
/proc/10738/stat : 10738 (hydrasat-flat) R 10736 10738 10429 0 -1 4194304 6569 0 0 0 23659 4 0 0 25 0 1 0 1144019960 28745728 6391 1992294400 134512640 135819388 4294956160 18446744073709551615 134616780 0 0 4096 1 0 0 0 17 1 0 0
/proc/10738/statm: 7018 6391 148 319 0 6696 0
Current children cumulated CPU time (s) 236.63
Current children cumulated vsize (KiB) 28072

[startup+238.302 s]
/proc/loadavg: 1.00 1.01 1.03 2/65 10739
/proc/meminfo: memFree=1096080/2055920 swapFree=4176444/4192956
[pid=10738] ppid=10736 vsize=28456 CPUtime=238.23
/proc/10738/stat : 10738 (hydrasat-flat) R 10736 10738 10429 0 -1 4194304 6617 0 0 0 23819 4 0 0 25 0 1 0 1144019960 29138944 6439 1992294400 134512640 135819388 4294956160 18446744073709551615 135226985 0 0 4096 1 0 0 0 17 1 0 0
/proc/10738/statm: 7114 6439 148 319 0 6792 0
Current children cumulated CPU time (s) 238.23
Current children cumulated vsize (KiB) 28456

[startup+239.902 s]
/proc/loadavg: 1.00 1.01 1.03 2/65 10739
/proc/meminfo: memFree=1095696/2055920 swapFree=4176444/4192956
[pid=10738] ppid=10736 vsize=28596 CPUtime=239.83
/proc/10738/stat : 10738 (hydrasat-flat) R 10736 10738 10429 0 -1 4194304 6666 0 0 0 23979 4 0 0 25 0 1 0 1144019960 29282304 6488 1992294400 134512640 135819388 4294956160 18446744073709551615 134617401 0 0 4096 1 0 0 0 17 1 0 0
/proc/10738/statm: 7149 6488 148 319 0 6827 0
Current children cumulated CPU time (s) 239.83
Current children cumulated vsize (KiB) 28596

[startup+240.702 s]
/proc/loadavg: 1.00 1.01 1.03 2/65 10739
/proc/meminfo: memFree=1095696/2055920 swapFree=4176444/4192956
[pid=10738] ppid=10736 vsize=29084 CPUtime=240.63
/proc/10738/stat : 10738 (hydrasat-flat) R 10736 10738 10429 0 -1 4194304 6731 0 0 0 24059 4 0 0 25 0 1 0 1144019960 29782016 6553 1992294400 134512640 135819388 4294956160 18446744073709551615 134617580 0 0 4096 1 0 0 0 17 1 0 0
/proc/10738/statm: 7271 6553 148 319 0 6949 0
Current children cumulated CPU time (s) 240.63
Current children cumulated vsize (KiB) 29084

[startup+240.906 s]
/proc/loadavg: 1.00 1.01 1.03 2/65 10739
/proc/meminfo: memFree=1095440/2055920 swapFree=4176444/4192956
[pid=10738] ppid=10736 vsize=29084 CPUtime=240.84
/proc/10738/stat : 10738 (hydrasat-flat) R 10736 10738 10429 0 -1 4194304 6752 0 0 0 24080 4 0 0 25 0 1 0 1144019960 29782016 6574 1992294400 134512640 135819388 4294956160 18446744073709551615 134668147 0 0 4096 1 0 0 0 17 1 0 0
/proc/10738/statm: 7271 6574 148 319 0 6949 0
Current children cumulated CPU time (s) 240.84
Current children cumulated vsize (KiB) 29084

Child status: 20
Real time (s): 240.98
CPU time (s): 240.92
CPU user time (s): 240.871
CPU system time (s): 0.048992
CPU usage (%): 99.9751
Max. virtual memory (cumulated for all children) (KiB): 29084

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 240.871
system time used= 0.048992
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6779
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= 355

runsolver used 0.246962 second user time and 0.637903 second system time

The end

Launcher Data 

Begin job on node27 at 2009-04-03 01:05:46
IDJOB=1553322
IDBENCH=70759
IDSOLVER=519
FILE ID=node27/1553322-1238713546
PBS_JOBID= 9085299
Free space on /tmp= 65560 MiB

SOLVER NAME= HydraSAT-Flat 2009-03-22-Flat
BENCH NAME= SAT09/APPLICATIONS/bitverif/minxorminand/minxorminand032.cnf
COMMAND LINE= DIR/hydrasat-flat BENCHNAME -rs RANDOMSEED -co memory_limit MEMLIMIT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1553322-1238713546/watcher-1553322-1238713546 -o /tmp/evaluation-result-1553322-1238713546/solver-1553322-1238713546 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hydrasat-flat HOME/instance-1553322-1238713546.cnf -rs 61980772 -co memory_limit 1800

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

MD5SUM BENCH= 49dda3faa6676166ee2ccb89f6cd8ca0
RANDOM SEED=61980772

node27.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		: 2800.196
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	: 5521.40
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		: 2800.196
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:       1121784 kB
Buffers:         99256 kB
Cached:         728944 kB
SwapCached:       9492 kB
Active:          93076 kB
Inactive:       746236 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1121784 kB
SwapTotal:     4192956 kB
SwapFree:      4176444 kB
Dirty:            1948 kB
Writeback:           0 kB
Mapped:          16788 kB
Slab:            80656 kB
Committed_AS:  3120664 kB
PageTables:       1380 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264948 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 65560 MiB
End job on node27 at 2009-04-03 01:09:47