Trace number 1561539

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 2009-03-22-BaseSAT 51.8791 51.8971

General information on the benchmark

NameCRAFTED/edgematching/
explicit/em_7_4_9_exp.cnf
MD5SUM4b407f7d85e83c60fceae64b7f0e6e1f
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark4.43233
Satisfiable
(Un)Satisfiability was proved
Number of variables1677
Number of clauses26387
Sum of the clauses size71003
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 214880
Number of clauses of size 38650
Number of clauses of size 4832
Number of clauses of size 51875
Number of clauses of size over 5150

Solver Data

51.78/51.89	
51.78/51.89	c decisions : 291459
51.78/51.89	c conflicts : 135796
51.78/51.89	c Memory limit 1620 MiB
51.78/51.89	c RANDOM SEED: 1974194151
51.78/51.89	s SATISFIABLE
51.78/51.89	v 1 -2 -3 -4 5 -6 -7 -8 -9 -10 -11 -12 -13 -14 -15 -16 -17 -18 -19 -20 -21 -22 -23 -24 -25 26 -27 -28 -29 -30 -31 -32 -33 -34 -35 -36 -37 -38 -39 -40 -41 -42 -43 -44 -45 -46 47 -48 -49 -50 -51 -52 -53 -54 -55 -56 -57 -58 -59 -60 -61 -62 -63 -64 -65 -66 -67 68 -69 -70 -71 -72 -73 -74 -75 -76 -77 -78 -79 -80 -81 -82 -83 -84 -85 -86 -87 -88 89 -90 -91 -92 -93 -94 -95 -96 -97 -98 -99 -100 -101 -102 -103 -104 -105 106 -107 -108 -109 -110 -111 -112 -113 114 -115 -116 -117 -118 -119 -120 -121 -122 -123 -124 -125 -126 -127 -128 129 -130 -131 -132 -133 -134 -135 -136 -137 -138 -139 -140 -141 -142 -143 -144 -145 -146 -147 -148 -149 -150 -151 -152 -153 -154 155 -156 -157 -158 -159 -160 -161 -162 -163 -164 -165 -166 -167 -168 -169 -170 -171 -172 -173 -174 -175 -176 -177 -178 -179 -180 181 -182 -183 -184 -185 -186 -187 -188 -189 -190 -191 -192 -193 -194 -195 -196 -197 -198 -199 -200 -201 -202 -203 -204 -205 -206 207 -208 -209 -210 -211 -212 -213 -214 -215 -216 -217 -218 -219 -220 -221 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Verifier Data

OK

Watcher Data

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1561539-1238767053/watcher-1561539-1238767053 -o /tmp/evaluation-result-1561539-1238767053/solver-1561539-1238767053 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hydrasat HOME/instance-1561539-1238767053.cnf -rs 1974194151 -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: 0.91 0.97 0.99 3/71 4238
/proc/meminfo: memFree=1755328/2055920 swapFree=4170332/4192956
[pid=4238] ppid=4236 vsize=1904 CPUtime=0
/proc/4238/stat : 4238 (hydrasat) R 4236 4238 3590 0 -1 4194304 235 0 0 0 0 0 0 0 18 0 1 0 1149368365 1949696 219 1992294400 134512640 135997824 4294956160 18446744073709551615 135371350 0 0 4096 1 0 0 0 17 1 0 0
/proc/4238/statm: 476 219 151 362 0 111 0

[startup+0.0697729 s]
/proc/loadavg: 0.91 0.97 0.99 3/71 4238
/proc/meminfo: memFree=1755328/2055920 swapFree=4170332/4192956
[pid=4238] ppid=4236 vsize=3756 CPUtime=0.06
/proc/4238/stat : 4238 (hydrasat) R 4236 4238 3590 0 -1 4194304 690 0 0 0 6 0 0 0 18 0 1 0 1149368365 3846144 674 1992294400 134512640 135997824 4294956160 18446744073709551615 134701257 0 0 4096 1 0 0 0 17 1 0 0
/proc/4238/statm: 939 674 159 362 0 574 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 3756

[startup+0.101778 s]
/proc/loadavg: 0.91 0.97 0.99 3/71 4238
/proc/meminfo: memFree=1755328/2055920 swapFree=4170332/4192956
[pid=4238] ppid=4236 vsize=3756 CPUtime=0.09
/proc/4238/stat : 4238 (hydrasat) R 4236 4238 3590 0 -1 4194304 690 0 0 0 9 0 0 0 18 0 1 0 1149368365 3846144 674 1992294400 134512640 135997824 4294956160 18446744073709551615 134695396 0 0 4096 1 0 0 0 17 1 0 0
/proc/4238/statm: 939 674 159 362 0 574 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3756

[startup+0.301816 s]
/proc/loadavg: 0.91 0.97 0.99 3/71 4238
/proc/meminfo: memFree=1755328/2055920 swapFree=4170332/4192956
[pid=4238] ppid=4236 vsize=4940 CPUtime=0.29
/proc/4238/stat : 4238 (hydrasat) R 4236 4238 3590 0 -1 4194304 1010 0 0 0 29 0 0 0 19 0 1 0 1149368365 5058560 993 1992294400 134512640 135997824 4294956160 18446744073709551615 134849395 0 0 4096 1 0 0 0 17 1 0 0
/proc/4238/statm: 1235 993 175 362 0 870 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4940

[startup+0.701891 s]
/proc/loadavg: 0.91 0.97 0.99 3/71 4238
/proc/meminfo: memFree=1755328/2055920 swapFree=4170332/4192956
[pid=4238] ppid=4236 vsize=5068 CPUtime=0.69
/proc/4238/stat : 4238 (hydrasat) R 4236 4238 3590 0 -1 4194304 1057 0 0 0 69 0 0 0 22 0 1 0 1149368365 5189632 1040 1992294400 134512640 135997824 4294956160 18446744073709551615 134817176 0 0 4096 1 0 0 0 17 1 0 0
/proc/4238/statm: 1267 1040 175 362 0 902 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5068

[startup+1.50104 s]
/proc/loadavg: 0.91 0.97 0.99 2/72 4239
/proc/meminfo: memFree=1751736/2055920 swapFree=4170332/4192956
[pid=4238] ppid=4236 vsize=5448 CPUtime=1.49
/proc/4238/stat : 4238 (hydrasat) R 4236 4238 3590 0 -1 4194304 1131 0 0 0 149 0 0 0 25 0 1 0 1149368365 5578752 1114 1992294400 134512640 135997824 4294956160 18446744073709551615 134758045 0 0 4096 1 0 0 0 17 1 0 0
/proc/4238/statm: 1362 1114 175 362 0 997 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5448

[startup+3.10135 s]
/proc/loadavg: 0.91 0.97 0.99 2/72 4239
/proc/meminfo: memFree=1751288/2055920 swapFree=4170332/4192956
[pid=4238] ppid=4236 vsize=5704 CPUtime=3.09
/proc/4238/stat : 4238 (hydrasat) R 4236 4238 3590 0 -1 4194304 1200 0 0 0 309 0 0 0 25 0 1 0 1149368365 5840896 1183 1992294400 134512640 135997824 4294956160 18446744073709551615 134590363 0 0 4096 1 0 0 0 17 1 0 0
/proc/4238/statm: 1426 1183 175 362 0 1061 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 5704

[startup+6.30196 s]
/proc/loadavg: 0.92 0.97 0.99 2/72 4239
/proc/meminfo: memFree=1750520/2055920 swapFree=4170332/4192956
[pid=4238] ppid=4236 vsize=6340 CPUtime=6.29
/proc/4238/stat : 4238 (hydrasat) R 4236 4238 3590 0 -1 4194304 1371 0 0 0 629 0 0 0 25 0 1 0 1149368365 6492160 1354 1992294400 134512640 135997824 4294956160 18446744073709551615 135370018 0 0 4096 1 0 0 0 17 1 0 0
/proc/4238/statm: 1585 1354 175 362 0 1220 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 6340

[startup+12.7012 s]
/proc/loadavg: 0.93 0.97 0.99 2/72 4239
/proc/meminfo: memFree=1749432/2055920 swapFree=4170332/4192956
[pid=4238] ppid=4236 vsize=7164 CPUtime=12.68
/proc/4238/stat : 4238 (hydrasat) R 4236 4238 3590 0 -1 4194304 1570 0 0 0 1268 0 0 0 25 0 1 0 1149368365 7335936 1553 1992294400 134512640 135997824 4294956160 18446744073709551615 134758026 0 0 4096 1 0 0 0 17 1 0 0
/proc/4238/statm: 1791 1553 175 362 0 1426 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 7164

[startup+25.5016 s]
/proc/loadavg: 0.94 0.97 0.99 2/72 4239
/proc/meminfo: memFree=1748088/2055920 swapFree=4170332/4192956
[pid=4238] ppid=4236 vsize=8596 CPUtime=25.48
/proc/4238/stat : 4238 (hydrasat) R 4236 4238 3590 0 -1 4194304 1911 0 0 0 2547 1 0 0 25 0 1 0 1149368365 8802304 1894 1992294400 134512640 135997824 4294956160 18446744073709551615 134757664 0 0 4096 1 0 0 0 17 1 0 0
/proc/4238/statm: 2149 1894 175 362 0 1784 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 8596

[startup+51.1015 s]
/proc/loadavg: 0.96 0.97 0.99 2/72 4239
/proc/meminfo: memFree=1745080/2055920 swapFree=4170332/4192956
[pid=4238] ppid=4236 vsize=11920 CPUtime=51.08
/proc/4238/stat : 4238 (hydrasat) R 4236 4238 3590 0 -1 4194304 2666 0 0 0 5106 2 0 0 25 0 1 0 1149368365 12206080 2649 1992294400 134512640 135997824 4294956160 18446744073709551615 134757664 0 0 4096 1 0 0 0 17 1 0 0
/proc/4238/statm: 2980 2649 175 362 0 2615 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 11920

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

[startup+51.5016 s]
/proc/loadavg: 0.96 0.97 0.99 2/72 4239
/proc/meminfo: memFree=1745080/2055920 swapFree=4170332/4192956
[pid=4238] ppid=4236 vsize=11920 CPUtime=51.48
/proc/4238/stat : 4238 (hydrasat) R 4236 4238 3590 0 -1 4194304 2680 0 0 0 5146 2 0 0 25 0 1 0 1149368365 12206080 2663 1992294400 134512640 135997824 4294956160 18446744073709551615 134757664 0 0 4096 1 0 0 0 17 1 0 0
/proc/4238/statm: 2980 2663 175 362 0 2615 0
Current children cumulated CPU time (s) 51.48
Current children cumulated vsize (KiB) 11920

[startup+51.7057 s]
/proc/loadavg: 0.96 0.97 0.99 2/72 4239
/proc/meminfo: memFree=1745016/2055920 swapFree=4170332/4192956
[pid=4238] ppid=4236 vsize=11920 CPUtime=51.68
/proc/4238/stat : 4238 (hydrasat) R 4236 4238 3590 0 -1 4194304 2681 0 0 0 5166 2 0 0 25 0 1 0 1149368365 12206080 2664 1992294400 134512640 135997824 4294956160 18446744073709551615 134757691 0 0 4096 1 0 0 0 17 1 0 0
/proc/4238/statm: 2980 2664 175 362 0 2615 0
Current children cumulated CPU time (s) 51.68
Current children cumulated vsize (KiB) 11920

[startup+51.8017 s]
/proc/loadavg: 0.96 0.97 0.99 2/72 4239
/proc/meminfo: memFree=1745016/2055920 swapFree=4170332/4192956
[pid=4238] ppid=4236 vsize=12076 CPUtime=51.78
/proc/4238/stat : 4238 (hydrasat) R 4236 4238 3590 0 -1 4194304 2693 0 0 0 5176 2 0 0 25 0 1 0 1149368365 12365824 2676 1992294400 134512640 135997824 4294956160 18446744073709551615 134758026 0 0 4096 1 0 0 0 17 1 0 0
/proc/4238/statm: 3019 2676 175 362 0 2654 0
Current children cumulated CPU time (s) 51.78
Current children cumulated vsize (KiB) 12076

Child status: 10
Real time (s): 51.8971
CPU time (s): 51.8791
CPU user time (s): 51.8541
CPU system time (s): 0.024996
CPU usage (%): 99.9654
Max. virtual memory (cumulated for all children) (KiB): 12076

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 51.8541
system time used= 0.024996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2707
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= 39

runsolver used 0.044993 second user time and 0.152976 second system time

The end

Launcher Data

Begin job on node38 at 2009-04-03 15:57:33
IDJOB=1561539
IDBENCH=70917
IDSOLVER=520
FILE ID=node38/1561539-1238767053
PBS_JOBID= 9085490
Free space on /tmp= 66488 MiB

SOLVER NAME= HydraSAT 2009-03-22-Base
BENCH NAME= SAT09/APPLICATIONS/edgematching/explicit/em_7_4_9_exp.cnf
COMMAND LINE= DIR/hydrasat BENCHNAME -rs RANDOMSEED -co memory_limit MEMLIMIT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561539-1238767053/watcher-1561539-1238767053 -o /tmp/evaluation-result-1561539-1238767053/solver-1561539-1238767053 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hydrasat HOME/instance-1561539-1238767053.cnf -rs 1974194151 -co memory_limit 1800

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

MD5SUM BENCH= 4b407f7d85e83c60fceae64b7f0e6e1f
RANDOM SEED=1974194151

node38.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		: 3000.259
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		: 3000.259
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:       1755744 kB
Buffers:         32212 kB
Cached:         174920 kB
SwapCached:      11216 kB
Active:          40400 kB
Inactive:       179436 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1755744 kB
SwapTotal:     4192956 kB
SwapFree:      4170332 kB
Dirty:            1892 kB
Writeback:           0 kB
Mapped:          18460 kB
Slab:            65488 kB
Committed_AS:  3431872 kB
PageTables:       1988 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= 66484 MiB
End job on node38 at 2009-04-03 15:58:25