Trace number 311092

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 v1SAT 27.5588 27.5671

General information on the benchmark

Namerandom/2+p/p0.8/v1295/
unif2p-p0.8-v1295-c4027-S1209647106-12-SAT.cnf
MD5SUM5b71a13667daed42fef777f7d5fe2376
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.05599
Satisfiable
(Un)Satisfiability was proved
Number of variables1295
Number of clauses4026
Sum of the clauses size11273
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 2805
Number of clauses of size 33221
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

0.00/0.00	c Starting MiraXTv1...
27.49/27.54	s SATISFIABLE
27.49/27.54	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 -221 222 223 -224 225 226 -227 228 229 230 -231 232 -233 -234 235 -236 -237 238 -239 240 -241 -242 243 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1292 -1293 1294 -1295 0

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/node16/watcher-311092-1178872737 -o ROOT/results/node16/solver-311092-1178872737 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/311092-1178872737/MiraXTv1_dyn /tmp/evaluation/311092-1178872737/instance-311092-1178872737.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: 1.03 1.46 1.69 3/77 30804
/proc/meminfo: memFree=1779648/2055920 swapFree=4143412/4192956
[pid=30804] ppid=30802 vsize=4052 CPUtime=0
/proc/30804/stat : 30804 (MiraXTv1_dyn) R 30802 30804 30282 0 -1 4194304 339 0 0 0 0 0 0 0 18 0 1 0 335191348 4149248 314 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 7644109 0 0 4096 0 0 0 0 17 0 0 0
/proc/30804/statm: 1013 314 206 20 0 371 0

[startup+0.032554 s]
/proc/loadavg: 1.03 1.46 1.69 3/77 30804
/proc/meminfo: memFree=1779648/2055920 swapFree=4143412/4192956
[pid=30804] ppid=30802 vsize=5156 CPUtime=0.02
/proc/30804/stat : 30804 (MiraXTv1_dyn) S 30802 30804 30282 0 -1 4194304 548 0 0 0 2 0 0 0 18 0 2 0 335191348 5279744 523 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/30804/statm: 1289 523 218 20 0 647 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 5156

[startup+0.102539 s]
/proc/loadavg: 1.03 1.46 1.69 3/77 30804
/proc/meminfo: memFree=1779648/2055920 swapFree=4143412/4192956
[pid=30804] ppid=30802 vsize=5288 CPUtime=0.09
/proc/30804/stat : 30804 (MiraXTv1_dyn) S 30802 30804 30282 0 -1 4194304 588 0 0 0 9 0 0 0 18 0 2 0 335191348 5414912 563 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/30804/statm: 1322 563 218 20 0 680 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5288

[startup+0.302506 s]
/proc/loadavg: 1.03 1.46 1.69 3/77 30804
/proc/meminfo: memFree=1779648/2055920 swapFree=4143412/4192956
[pid=30804] ppid=30802 vsize=6624 CPUtime=0.29
/proc/30804/stat : 30804 (MiraXTv1_dyn) S 30802 30804 30282 0 -1 4194304 762 0 0 0 29 0 0 0 18 0 2 0 335191348 6782976 737 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/30804/statm: 1656 737 218 20 0 1014 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6624

[startup+0.701418 s]
/proc/loadavg: 1.03 1.46 1.69 3/77 30804
/proc/meminfo: memFree=1779648/2055920 swapFree=4143412/4192956
[pid=30804] ppid=30802 vsize=7628 CPUtime=0.69
/proc/30804/stat : 30804 (MiraXTv1_dyn) S 30802 30804 30282 0 -1 4194304 1005 0 0 0 69 0 0 0 18 0 2 0 335191348 7811072 980 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/30804/statm: 1907 980 218 20 0 1265 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7628

[startup+1.50124 s]
/proc/loadavg: 1.03 1.46 1.69 2/79 30806
/proc/meminfo: memFree=1775856/2055920 swapFree=4143412/4192956
[pid=30804] ppid=30802 vsize=9340 CPUtime=1.48
/proc/30804/stat : 30804 (MiraXTv1_dyn) S 30802 30804 30282 0 -1 4194304 1460 0 0 0 148 0 0 0 18 0 2 0 335191348 9564160 1435 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/30804/statm: 2335 1435 218 20 0 1693 0
[pid=30804/tid=30806] ppid=30802 vsize=9340 CPUtime=1.47
/proc/30804/task/30806/stat : 30806 (MiraXTv1_dyn) R 30802 30804 30282 0 -1 4194368 1039 0 0 0 147 0 0 0 25 0 2 0 335191350 9564160 1435 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 134517962 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 9340

[startup+3.10191 s]
/proc/loadavg: 1.03 1.46 1.69 2/79 30806
/proc/meminfo: memFree=1774192/2055920 swapFree=4143412/4192956
[pid=30804] ppid=30802 vsize=10524 CPUtime=3.09
/proc/30804/stat : 30804 (MiraXTv1_dyn) S 30802 30804 30282 0 -1 4194304 1824 0 0 0 308 1 0 0 18 0 2 0 335191348 10776576 1799 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/30804/statm: 2631 1799 218 20 0 1989 0
[pid=30804/tid=30806] ppid=30802 vsize=10524 CPUtime=3.07
/proc/30804/task/30806/stat : 30806 (MiraXTv1_dyn) R 30802 30804 30282 0 -1 4194368 1403 0 0 0 307 0 0 0 25 0 2 0 335191350 10776576 1799 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 134565715 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 10524

[startup+6.30123 s]
/proc/loadavg: 1.03 1.45 1.69 2/79 30806
/proc/meminfo: memFree=1769208/2055920 swapFree=4143412/4192956
[pid=30804] ppid=30802 vsize=15632 CPUtime=6.29
/proc/30804/stat : 30804 (MiraXTv1_dyn) S 30802 30804 30282 0 -1 4194304 3089 0 0 0 627 2 0 0 18 0 2 0 335191348 16007168 3064 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/30804/statm: 3908 3064 218 20 0 3266 0
[pid=30804/tid=30806] ppid=30802 vsize=15632 CPUtime=6.26
/proc/30804/task/30806/stat : 30806 (MiraXTv1_dyn) R 30802 30804 30282 0 -1 4194368 2668 0 0 0 625 1 0 0 25 0 2 0 335191350 16007168 3064 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 134526377 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 15632

[startup+12.7019 s]
/proc/loadavg: 1.02 1.44 1.68 2/79 30806
/proc/meminfo: memFree=1766136/2055920 swapFree=4143412/4192956
[pid=30804] ppid=30802 vsize=18028 CPUtime=12.69
/proc/30804/stat : 30804 (MiraXTv1_dyn) S 30802 30804 30282 0 -1 4194304 3793 0 0 0 1266 3 0 0 18 0 2 0 335191348 18460672 3693 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/30804/statm: 4507 3693 218 20 0 3865 0
[pid=30804/tid=30806] ppid=30802 vsize=18028 CPUtime=12.67
/proc/30804/task/30806/stat : 30806 (MiraXTv1_dyn) R 30802 30804 30282 0 -1 4194368 3372 0 0 0 1265 2 0 0 25 0 2 0 335191350 18460672 3693 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 134520492 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 18028

[startup+25.5022 s]
/proc/loadavg: 1.02 1.42 1.67 2/79 30806
/proc/meminfo: memFree=1758584/2055920 swapFree=4143412/4192956
[pid=30804] ppid=30802 vsize=24944 CPUtime=25.48
/proc/30804/stat : 30804 (MiraXTv1_dyn) S 30802 30804 30282 0 -1 4194304 5575 0 0 0 2544 4 0 0 18 0 2 0 335191348 25542656 5376 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/30804/statm: 6236 5376 218 20 0 5594 0
[pid=30804/tid=30806] ppid=30802 vsize=24944 CPUtime=25.47
/proc/30804/task/30806/stat : 30806 (MiraXTv1_dyn) R 30802 30804 30282 0 -1 4194368 5154 0 0 0 2543 4 0 0 25 0 2 0 335191350 25542656 5376 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 134526707 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 24944

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

[startup+26.302 s]
/proc/loadavg: 1.02 1.42 1.67 2/79 30806
/proc/meminfo: memFree=1758584/2055920 swapFree=4143412/4192956
[pid=30804] ppid=30802 vsize=24944 CPUtime=26.29
/proc/30804/stat : 30804 (MiraXTv1_dyn) S 30802 30804 30282 0 -1 4194304 5588 0 0 0 2625 4 0 0 18 0 2 0 335191348 25542656 5389 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/30804/statm: 6236 5389 218 20 0 5594 0
[pid=30804/tid=30806] ppid=30802 vsize=24944 CPUtime=26.27
/proc/30804/task/30806/stat : 30806 (MiraXTv1_dyn) R 30802 30804 30282 0 -1 4194368 5167 0 0 0 2623 4 0 0 25 0 2 0 335191350 25542656 5389 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 134526477 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 26.29
Current children cumulated vsize (KiB) 24944

[startup+27.1018 s]
/proc/loadavg: 1.02 1.42 1.67 2/79 30806
/proc/meminfo: memFree=1758584/2055920 swapFree=4143412/4192956
[pid=30804] ppid=30802 vsize=24944 CPUtime=27.08
/proc/30804/stat : 30804 (MiraXTv1_dyn) S 30802 30804 30282 0 -1 4194304 5654 0 0 0 2704 4 0 0 18 0 2 0 335191348 25542656 5399 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/30804/statm: 6236 5399 218 20 0 5594 0
[pid=30804/tid=30806] ppid=30802 vsize=24944 CPUtime=27.07
/proc/30804/task/30806/stat : 30806 (MiraXTv1_dyn) R 30802 30804 30282 0 -1 4194368 5233 0 0 0 2703 4 0 0 25 0 2 0 335191350 25542656 5399 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 134526306 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 27.08
Current children cumulated vsize (KiB) 24944

[startup+27.5057 s]
/proc/loadavg: 1.02 1.42 1.67 2/79 30806
/proc/meminfo: memFree=1758392/2055920 swapFree=4143412/4192956
[pid=30804] ppid=30802 vsize=24944 CPUtime=27.49
/proc/30804/stat : 30804 (MiraXTv1_dyn) S 30802 30804 30282 0 -1 4194304 5654 0 0 0 2745 4 0 0 18 0 2 0 335191348 25542656 5399 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/30804/statm: 6236 5399 218 20 0 5594 0
[pid=30804/tid=30806] ppid=30802 vsize=24944 CPUtime=27.47
/proc/30804/task/30806/stat : 30806 (MiraXTv1_dyn) R 30802 30804 30282 0 -1 4194368 5233 0 0 0 2743 4 0 0 25 0 2 0 335191350 25542656 5399 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 134520089 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 27.49
Current children cumulated vsize (KiB) 24944

Child status: 10
Real time (s): 27.5671
CPU time (s): 27.5588
CPU user time (s): 27.5058
CPU system time (s): 0.052991
CPU usage (%): 99.97
Max. virtual memory (cumulated for all children) (KiB): 24944

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 27.5058
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= 5664
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= 15
involuntary context switches= 704

runsolver used 0.036994 second user time and 0.068989 second system time

The end

Launcher Data (download as text)

Begin job on node16 on Fri May 11 08:38:57 UTC 2007

IDJOB= 311092
IDBENCH= 20304
IDSOLVER= 130
FILE ID= node16/311092-1178872737

PBS_JOBID= 5251049

Free space on /tmp= 66556 MiB

SOLVER NAME= MiraXT v1
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1295/unif2p-p0.8-v1295-c4027-S1209647106-12-SAT.cnf
COMMAND LINE= /tmp/evaluation/311092-1178872737/MiraXTv1_dyn /tmp/evaluation/311092-1178872737/instance-311092-1178872737.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node16/watcher-311092-1178872737 -o ROOT/results/node16/solver-311092-1178872737 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/311092-1178872737/MiraXTv1_dyn /tmp/evaluation/311092-1178872737/instance-311092-1178872737.cnf            

META MD5SUM SOLVER= 2ad149617ed8d249d89b067eb44c33da
MD5SUM BENCH=  5b71a13667daed42fef777f7d5fe2376

RANDOM SEED= 397005914

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		: 3000.232
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		: 3000.232
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:       1779864 kB
Buffers:         47464 kB
Cached:         141740 kB
SwapCached:      17992 kB
Active:         116696 kB
Inactive:        97436 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1779864 kB
SwapTotal:     4192956 kB
SwapFree:      4143412 kB
Dirty:            3976 kB
Writeback:           0 kB
Mapped:          29948 kB
Slab:            47392 kB
Committed_AS: 14218884 kB
PageTables:       1836 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= 66556 MiB

End job on node16 on Fri May 11 08:39:25 UTC 2007