Trace number 3706870

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 NameAnswerobjective functionCPU timeWall clock time
toysat 2012-05-17? (TO) 1800.03 1800.31

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/
logic_synthesis/normalized-m50_100_10_10.r.opb
MD5SUMe965a77006f54aa5fb414d88d571084c
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark8
Best CPU time to get the best result obtained on this benchmark0.018996
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 8
Optimality of the best value was proved YES
Number of variables99
Total number of constraints50
Number of constraints which are clauses50
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint10
Maximum length of a constraint10
Number of terms in the objective function 99
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 99
Number of bits of the sum of numbers in the objective function 7
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 99
Number of bits of the biggest sum of numbers7
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

Solver Data

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0.00/0.00	c os = linux
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0.00/0.00	c   bytestring-0.9.2.1
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0.00/0.00	c   stm-2.3
0.00/0.00	c   time-1.4
0.00/0.00	c command line = ["--pb","HOME/instance-3706870-1338121213.opb"]
0.00/0.00	c #vars 99
0.00/0.00	c #constraints 50
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1768.82/1769.11	c learnt constraints deletion: 757 -> 391
1768.82/1769.14	c learnt constraints deletion: 756 -> 388
1768.82/1769.16	c learnt constraints deletion: 763 -> 400
1768.82/1769.19	c learnt constraints deletion: 759 -> 394
1768.92/1769.22	c learnt constraints deletion: 758 -> 395
1768.92/1769.24	c learnt constraints deletion: 767 -> 400
1768.92/1769.27	c learnt constraints deletion: 760 -> 395
1769.02/1769.30	c learnt constraints deletion: 763 -> 403
1769.02/1769.33	c learnt constraints deletion: 757 -> 391
1769.02/1769.35	c learnt constraints deletion: 762 -> 394
1769.02/1769.38	c learnt constraints deletion: 766 -> 396
1769.12/1769.41	c learnt constraints deletion: 763 -> 396
1769.12/1769.44	c learnt constraints deletion: 763 -> 401
1769.12/1769.46	c learnt constraints deletion: 765 -> 397
1769.12/1769.49	c learnt constraints deletion: 767 -> 404
1769.22/1769.52	c learnt constraints deletion: 766 -> 398
1769.22/1769.55	c learnt constraints deletion: 761 -> 399
1769.22/1769.57	c learnt constraints deletion: 759 -> 395
1769.32/1769.60	c learnt constraints deletion: 761 -> 401
1769.32/1769.63	c learnt constraints deletion: 750 -> 382
1769.32/1769.66	c learnt constraints deletion: 754 -> 386
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1769.42/1769.72	c learnt constraints deletion: 756 -> 388
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1769.52/1769.83	c learnt constraints deletion: 758 -> 393
1769.52/1769.85	c learnt constraints deletion: 764 -> 399
1769.52/1769.88	c learnt constraints deletion: 756 -> 391
1769.62/1769.91	c learnt constraints deletion: 755 -> 384
1769.62/1769.94	c learnt constraints deletion: 759 -> 393
1769.62/1769.97	c learnt constraints deletion: 761 -> 388
1769.62/1769.99	c learnt constraints deletion: 748 -> 380
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1769.72/1770.05	c learnt constraints deletion: 758 -> 388
1769.72/1770.08	c learnt constraints deletion: 754 -> 389
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1769.92/1770.22	c learnt constraints deletion: 762 -> 395
1769.92/1770.24	c learnt constraints deletion: 755 -> 384
1769.92/1770.27	c learnt constraints deletion: 752 -> 382
1770.02/1770.30	c learnt constraints deletion: 759 -> 388
1770.02/1770.33	c learnt constraints deletion: 759 -> 392
1770.02/1770.36	c learnt constraints deletion: 759 -> 392
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1770.21/1770.58	c learnt constraints deletion: 755 -> 391
1770.31/1770.61	c learnt constraints deletion: 762 -> 402
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1770.31/1770.66	c learnt constraints deletion: 765 -> 406
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