About the Execution of GreatSPN+red for Sudoku-PT-AN07
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 12476.228 | 3600000.00 | 12877964.00 | 3410.70 | FFT??T?TFFTFFFTF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2024-input.r399-tall-171690530700619.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is Sudoku-PT-AN07, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r399-tall-171690530700619
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 11M
-rw-r--r-- 1 mcc users 134K Apr 12 11:37 CTLCardinality.txt
-rw-r--r-- 1 mcc users 674K Apr 12 11:37 CTLCardinality.xml
-rw-r--r-- 1 mcc users 436K Apr 12 11:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 2.2M Apr 12 11:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 83K Apr 23 08:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 300K Apr 23 08:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 174K Apr 23 08:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 636K Apr 23 08:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 524K Apr 12 11:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 2.6M Apr 12 11:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 412K Apr 12 11:40 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 2.0M Apr 12 11:40 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 15K Apr 23 08:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 37K Apr 23 08:00 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 204K May 18 16:43 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME Sudoku-PT-AN07-LTLCardinality-00
FORMULA_NAME Sudoku-PT-AN07-LTLCardinality-01
FORMULA_NAME Sudoku-PT-AN07-LTLCardinality-02
FORMULA_NAME Sudoku-PT-AN07-LTLCardinality-03
FORMULA_NAME Sudoku-PT-AN07-LTLCardinality-04
FORMULA_NAME Sudoku-PT-AN07-LTLCardinality-05
FORMULA_NAME Sudoku-PT-AN07-LTLCardinality-06
FORMULA_NAME Sudoku-PT-AN07-LTLCardinality-07
FORMULA_NAME Sudoku-PT-AN07-LTLCardinality-08
FORMULA_NAME Sudoku-PT-AN07-LTLCardinality-09
FORMULA_NAME Sudoku-PT-AN07-LTLCardinality-10
FORMULA_NAME Sudoku-PT-AN07-LTLCardinality-11
FORMULA_NAME Sudoku-PT-AN07-LTLCardinality-12
FORMULA_NAME Sudoku-PT-AN07-LTLCardinality-13
FORMULA_NAME Sudoku-PT-AN07-LTLCardinality-14
FORMULA_NAME Sudoku-PT-AN07-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1717062408096
Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Sudoku-PT-AN07
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-30 09:46:49] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2024-05-30 09:46:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-30 09:46:49] [INFO ] Load time of PNML (sax parser for PT used): 103 ms
[2024-05-30 09:46:49] [INFO ] Transformed 490 places.
[2024-05-30 09:46:49] [INFO ] Transformed 343 transitions.
[2024-05-30 09:46:49] [INFO ] Found NUPN structural information;
[2024-05-30 09:46:49] [INFO ] Parsed PT model containing 490 places and 343 transitions and 1372 arcs in 203 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 40 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA Sudoku-PT-AN07-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-PT-AN07-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-PT-AN07-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-PT-AN07-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-PT-AN07-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-PT-AN07-LTLCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-PT-AN07-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 490 out of 490 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 490/490 places, 343/343 transitions.
Applied a total of 0 rules in 12 ms. Remains 490 /490 variables (removed 0) and now considering 343/343 (removed 0) transitions.
// Phase 1: matrix 343 rows 490 cols
[2024-05-30 09:46:49] [INFO ] Computed 147 invariants in 20 ms
[2024-05-30 09:46:50] [INFO ] Implicit Places using invariants in 321 ms returned []
[2024-05-30 09:46:50] [INFO ] Invariant cache hit.
[2024-05-30 09:46:50] [INFO ] Implicit Places using invariants and state equation in 278 ms returned []
Implicit Place search using SMT with State Equation took 629 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 1ms
Finished structural reductions in LTL mode , in 1 iterations and 665 ms. Remains : 490/490 places, 343/343 transitions.
Support contains 490 out of 490 places after structural reductions.
[2024-05-30 09:46:50] [INFO ] Flatten gal took : 76 ms
[2024-05-30 09:46:50] [INFO ] Flatten gal took : 33 ms
[2024-05-30 09:46:50] [INFO ] Input system was already deterministic with 343 transitions.
Reduction of identical properties reduced properties to check from 17 to 16
RANDOM walk for 40000 steps (936 resets) in 2769 ms. (14 steps per ms) remains 4/16 properties
BEST_FIRST walk for 40004 steps (8 resets) in 271 ms. (147 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 290 ms. (137 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 282 ms. (141 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 252 ms. (158 steps per ms) remains 4/4 properties
[2024-05-30 09:46:52] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/147 variables, 147/147 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/147 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem AtomicPropp2 is UNSAT
Problem AtomicPropp3 is UNSAT
Problem AtomicPropp8 is UNSAT
At refinement iteration 2 (OVERLAPS) 343/490 variables, 147/294 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/490 variables, 343/637 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/490 variables, 0/637 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 343/833 variables, 490/1127 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/833 variables, 0/1127 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/833 variables, 0/1127 constraints. Problems are: Problem set: 3 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 833/833 variables, and 1127 constraints, problems are : Problem set: 3 solved, 1 unsolved in 455 ms.
Refiners :[Domain max(s): 490/490 constraints, Positive P Invariants (semi-flows): 147/147 constraints, State Equation: 490/490 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 49/49 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/49 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 343/392 variables, 49/98 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/392 variables, 343/441 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/392 variables, 0/441 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 98/490 variables, 98/539 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/490 variables, 98/637 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/490 variables, 0/637 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 343/833 variables, 490/1127 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/833 variables, 1/1128 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/833 variables, 0/1128 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/833 variables, 0/1128 constraints. Problems are: Problem set: 3 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 833/833 variables, and 1128 constraints, problems are : Problem set: 3 solved, 1 unsolved in 1482 ms.
Refiners :[Domain max(s): 490/490 constraints, Positive P Invariants (semi-flows): 147/147 constraints, State Equation: 490/490 constraints, PredecessorRefiner: 1/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 2098ms problems are : Problem set: 3 solved, 1 unsolved
Finished Parikh walk after 49 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=24 )
Parikh walk visited 1 properties in 7 ms.
FORMULA Sudoku-PT-AN07-LTLCardinality-13 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 3 atomic propositions for a total of 8 simplifications.
FORMULA Sudoku-PT-AN07-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 490 stabilizing places and 343 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 490 transition count 343
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(G(p0))))))'
Support contains 490 out of 490 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 490/490 places, 343/343 transitions.
Applied a total of 0 rules in 7 ms. Remains 490 /490 variables (removed 0) and now considering 343/343 (removed 0) transitions.
[2024-05-30 09:46:54] [INFO ] Invariant cache hit.
[2024-05-30 09:46:54] [INFO ] Implicit Places using invariants in 122 ms returned []
[2024-05-30 09:46:54] [INFO ] Invariant cache hit.
[2024-05-30 09:46:54] [INFO ] Implicit Places using invariants and state equation in 264 ms returned []
Implicit Place search using SMT with State Equation took 388 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 1ms
Finished structural reductions in LTL mode , in 1 iterations and 397 ms. Remains : 490/490 places, 343/343 transitions.
Stuttering acceptance computed with spot in 362 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Sudoku-PT-AN07-LTLCardinality-00
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 4 ms.
FORMULA Sudoku-PT-AN07-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Sudoku-PT-AN07-LTLCardinality-00 finished in 824 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 392 out of 490 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 490/490 places, 343/343 transitions.
Applied a total of 0 rules in 28 ms. Remains 490 /490 variables (removed 0) and now considering 343/343 (removed 0) transitions.
[2024-05-30 09:46:55] [INFO ] Invariant cache hit.
[2024-05-30 09:46:55] [INFO ] Implicit Places using invariants in 371 ms returned []
[2024-05-30 09:46:55] [INFO ] Invariant cache hit.
[2024-05-30 09:46:56] [INFO ] Implicit Places using invariants and state equation in 502 ms returned []
Implicit Place search using SMT with State Equation took 875 ms to find 0 implicit places.
[2024-05-30 09:46:56] [INFO ] Redundant transitions in 21 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 936 ms. Remains : 490/490 places, 343/343 transitions.
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Running random walk in product with property : Sudoku-PT-AN07-LTLCardinality-03
Product exploration explored 100000 steps with 2347 reset in 3734 ms.
Product exploration explored 100000 steps with 2346 reset in 3659 ms.
Computed a total of 490 stabilizing places and 343 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 490 transition count 343
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 84 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
RANDOM walk for 100 steps (0 resets) in 20 ms. (4 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 121 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
[2024-05-30 09:47:05] [INFO ] Invariant cache hit.
[2024-05-30 09:47:06] [INFO ] [Real]Absence check using 147 positive place invariants in 126 ms returned sat
[2024-05-30 09:47:07] [INFO ] [Real]Absence check using state equation in 742 ms returned sat
[2024-05-30 09:47:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-30 09:47:09] [INFO ] [Nat]Absence check using 147 positive place invariants in 32 ms returned sat
[2024-05-30 09:47:09] [INFO ] [Nat]Absence check using state equation in 109 ms returned sat
[2024-05-30 09:47:09] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 17 ms.
[2024-05-30 09:47:09] [INFO ] Added : 0 causal constraints over 0 iterations in 72 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 392 out of 490 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 490/490 places, 343/343 transitions.
Applied a total of 0 rules in 24 ms. Remains 490 /490 variables (removed 0) and now considering 343/343 (removed 0) transitions.
[2024-05-30 09:47:09] [INFO ] Invariant cache hit.
[2024-05-30 09:47:09] [INFO ] Implicit Places using invariants in 378 ms returned []
[2024-05-30 09:47:09] [INFO ] Invariant cache hit.
[2024-05-30 09:47:10] [INFO ] Implicit Places using invariants and state equation in 479 ms returned []
Implicit Place search using SMT with State Equation took 860 ms to find 0 implicit places.
[2024-05-30 09:47:10] [INFO ] Redundant transitions in 5 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 896 ms. Remains : 490/490 places, 343/343 transitions.
Computed a total of 490 stabilizing places and 343 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 490 transition count 343
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 91 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
RANDOM walk for 100 steps (0 resets) in 13 ms. (7 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 114 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
[2024-05-30 09:47:11] [INFO ] Invariant cache hit.
[2024-05-30 09:47:12] [INFO ] [Real]Absence check using 147 positive place invariants in 131 ms returned sat
[2024-05-30 09:47:13] [INFO ] [Real]Absence check using state equation in 752 ms returned sat
[2024-05-30 09:47:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-30 09:47:15] [INFO ] [Nat]Absence check using 147 positive place invariants in 35 ms returned sat
[2024-05-30 09:47:15] [INFO ] [Nat]Absence check using state equation in 118 ms returned sat
[2024-05-30 09:47:15] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 18 ms.
[2024-05-30 09:47:15] [INFO ] Added : 0 causal constraints over 0 iterations in 48 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Product exploration explored 100000 steps with 2345 reset in 3719 ms.
Product exploration explored 100000 steps with 2346 reset in 3805 ms.
Support contains 392 out of 490 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 490/490 places, 343/343 transitions.
Applied a total of 0 rules in 24 ms. Remains 490 /490 variables (removed 0) and now considering 343/343 (removed 0) transitions.
[2024-05-30 09:47:23] [INFO ] Invariant cache hit.
[2024-05-30 09:47:23] [INFO ] Implicit Places using invariants in 370 ms returned []
[2024-05-30 09:47:23] [INFO ] Invariant cache hit.
[2024-05-30 09:47:24] [INFO ] Implicit Places using invariants and state equation in 487 ms returned []
Implicit Place search using SMT with State Equation took 858 ms to find 0 implicit places.
[2024-05-30 09:47:24] [INFO ] Redundant transitions in 6 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 899 ms. Remains : 490/490 places, 343/343 transitions.
Treatment of property Sudoku-PT-AN07-LTLCardinality-03 finished in 29152 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 392 out of 490 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 490/490 places, 343/343 transitions.
Applied a total of 0 rules in 12 ms. Remains 490 /490 variables (removed 0) and now considering 343/343 (removed 0) transitions.
[2024-05-30 09:47:24] [INFO ] Invariant cache hit.
[2024-05-30 09:47:24] [INFO ] Implicit Places using invariants in 480 ms returned []
[2024-05-30 09:47:24] [INFO ] Invariant cache hit.
[2024-05-30 09:47:25] [INFO ] Implicit Places using invariants and state equation in 491 ms returned []
Implicit Place search using SMT with State Equation took 973 ms to find 0 implicit places.
[2024-05-30 09:47:25] [INFO ] Redundant transitions in 3 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 995 ms. Remains : 490/490 places, 343/343 transitions.
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
Running random walk in product with property : Sudoku-PT-AN07-LTLCardinality-04
Product exploration explored 100000 steps with 3846 reset in 3943 ms.
Product exploration explored 100000 steps with 3846 reset in 4040 ms.
Computed a total of 490 stabilizing places and 343 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 490 transition count 343
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 116 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
RANDOM walk for 100 steps (0 resets) in 14 ms. (6 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 128 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
[2024-05-30 09:47:35] [INFO ] Invariant cache hit.
[2024-05-30 09:47:36] [INFO ] [Real]Absence check using 147 positive place invariants in 145 ms returned sat
[2024-05-30 09:47:37] [INFO ] [Real]Absence check using state equation in 818 ms returned sat
[2024-05-30 09:47:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-30 09:47:39] [INFO ] [Nat]Absence check using 147 positive place invariants in 1105 ms returned sat
[2024-05-30 09:47:44] [INFO ] [Nat]Absence check using state equation in 5234 ms returned sat
[2024-05-30 09:47:44] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 17 ms.
[2024-05-30 09:47:44] [INFO ] Added : 0 causal constraints over 0 iterations in 99 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 392 out of 490 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 490/490 places, 343/343 transitions.
Applied a total of 0 rules in 18 ms. Remains 490 /490 variables (removed 0) and now considering 343/343 (removed 0) transitions.
[2024-05-30 09:47:44] [INFO ] Invariant cache hit.
[2024-05-30 09:47:45] [INFO ] Implicit Places using invariants in 323 ms returned []
[2024-05-30 09:47:45] [INFO ] Invariant cache hit.
[2024-05-30 09:47:45] [INFO ] Implicit Places using invariants and state equation in 490 ms returned []
Implicit Place search using SMT with State Equation took 818 ms to find 0 implicit places.
[2024-05-30 09:47:45] [INFO ] Redundant transitions in 2 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 843 ms. Remains : 490/490 places, 343/343 transitions.
Computed a total of 490 stabilizing places and 343 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 490 transition count 343
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 110 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 44 ms :[(NOT p0)]
RANDOM walk for 100 steps (0 resets) in 15 ms. (6 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 110 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
[2024-05-30 09:47:47] [INFO ] Invariant cache hit.
[2024-05-30 09:47:48] [INFO ] [Real]Absence check using 147 positive place invariants in 142 ms returned sat
[2024-05-30 09:47:49] [INFO ] [Real]Absence check using state equation in 825 ms returned sat
[2024-05-30 09:47:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-30 09:47:51] [INFO ] [Nat]Absence check using 147 positive place invariants in 1089 ms returned sat
[2024-05-30 09:47:56] [INFO ] [Nat]Absence check using state equation in 5268 ms returned sat
[2024-05-30 09:47:57] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 17 ms.
[2024-05-30 09:47:57] [INFO ] Added : 0 causal constraints over 0 iterations in 101 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Product exploration explored 100000 steps with 3846 reset in 3918 ms.
Product exploration explored 100000 steps with 3846 reset in 3899 ms.
Support contains 392 out of 490 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 490/490 places, 343/343 transitions.
Applied a total of 0 rules in 7 ms. Remains 490 /490 variables (removed 0) and now considering 343/343 (removed 0) transitions.
[2024-05-30 09:48:04] [INFO ] Invariant cache hit.
[2024-05-30 09:48:05] [INFO ] Implicit Places using invariants in 329 ms returned []
[2024-05-30 09:48:05] [INFO ] Invariant cache hit.
[2024-05-30 09:48:05] [INFO ] Implicit Places using invariants and state equation in 442 ms returned []
Implicit Place search using SMT with State Equation took 793 ms to find 0 implicit places.
[2024-05-30 09:48:05] [INFO ] Redundant transitions in 1 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 807 ms. Remains : 490/490 places, 343/343 transitions.
Treatment of property Sudoku-PT-AN07-LTLCardinality-04 finished in 41368 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)||(p1&&X(p2)))))'
Support contains 441 out of 490 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 490/490 places, 343/343 transitions.
Applied a total of 0 rules in 2 ms. Remains 490 /490 variables (removed 0) and now considering 343/343 (removed 0) transitions.
[2024-05-30 09:48:05] [INFO ] Invariant cache hit.
[2024-05-30 09:48:06] [INFO ] Implicit Places using invariants in 213 ms returned []
[2024-05-30 09:48:06] [INFO ] Invariant cache hit.
[2024-05-30 09:48:06] [INFO ] Implicit Places using invariants and state equation in 349 ms returned []
Implicit Place search using SMT with State Equation took 566 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in LTL mode , in 1 iterations and 574 ms. Remains : 490/490 places, 343/343 transitions.
Stuttering acceptance computed with spot in 95 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : Sudoku-PT-AN07-LTLCardinality-06
Product exploration explored 100000 steps with 3846 reset in 7929 ms.
Product exploration explored 100000 steps with 3846 reset in 7996 ms.
Computed a total of 490 stabilizing places and 343 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 490 transition count 343
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (NOT (AND p0 p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (AND (NOT p0) p1 (NOT p2))), (X (NOT p0)), (X (NOT (AND p0 p1 (NOT p2)))), (X p1), (X (AND (NOT p0) p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (AND (NOT p0) p1 (NOT p2)))), (X (X (NOT p0))), (X (X (NOT (AND p0 p1 (NOT p2))))), (X (X p1)), (X (X (AND (NOT p0) p1))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 26 factoid took 611 ms. Reduced automaton from 2 states, 8 edges and 3 AP (stutter sensitive) to 2 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 95 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2))]
RANDOM walk for 40000 steps (936 resets) in 3559 ms. (11 steps per ms) remains 3/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1497 ms. (26 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1075 ms. (37 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 724 ms. (55 steps per ms) remains 3/3 properties
[2024-05-30 09:48:36] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/441 variables, 441/441 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem apf4 is UNSAT
Problem apf5 is UNSAT
Problem apf6 is UNSAT
After SMT solving in domain Real declared 441/833 variables, and 539 constraints, problems are : Problem set: 3 solved, 0 unsolved in 186 ms.
Refiners :[Domain max(s): 441/490 constraints, Positive P Invariants (semi-flows): 98/147 constraints, State Equation: 0/490 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 564ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 3 invariant AP formulas.
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (NOT (AND p0 p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (AND (NOT p0) p1 (NOT p2))), (X (NOT p0)), (X (NOT (AND p0 p1 (NOT p2)))), (X p1), (X (AND (NOT p0) p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (AND (NOT p0) p1 (NOT p2)))), (X (X (NOT p0))), (X (X (NOT (AND p0 p1 (NOT p2))))), (X (X p1)), (X (X (AND (NOT p0) p1))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2)))), (G (OR (NOT p0) p2 p1)), (G (OR (NOT p0) p1)), (G (OR p0 p2 p1))]
False Knowledge obtained : [(F (NOT (AND p0 p1))), (F p2), (F (NOT (OR p0 p2 (NOT p1)))), (F (NOT (OR p0 p1))), (F (NOT (AND p0 (NOT p2) p1))), (F (NOT (OR p0 (NOT p1)))), (F (NOT p0)), (F (NOT p1))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 29 factoid took 1671 ms. Reduced automaton from 2 states, 8 edges and 3 AP (stutter sensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 168 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false, false]
Stuttering acceptance computed with spot in 169 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false, false]
Support contains 392 out of 490 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 490/490 places, 343/343 transitions.
Applied a total of 0 rules in 9 ms. Remains 490 /490 variables (removed 0) and now considering 343/343 (removed 0) transitions.
[2024-05-30 09:48:39] [INFO ] Invariant cache hit.
[2024-05-30 09:48:39] [INFO ] Implicit Places using invariants in 274 ms returned []
[2024-05-30 09:48:39] [INFO ] Invariant cache hit.
[2024-05-30 09:48:40] [INFO ] Implicit Places using invariants and state equation in 366 ms returned []
Implicit Place search using SMT with State Equation took 643 ms to find 0 implicit places.
[2024-05-30 09:48:40] [INFO ] Redundant transitions in 2 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 667 ms. Remains : 490/490 places, 343/343 transitions.
Computed a total of 490 stabilizing places and 343 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 490 transition count 343
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 (NOT p2)), (X (NOT p2)), (X (NOT (AND p0 (NOT p2)))), (X (NOT (AND (NOT p0) p2))), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND p0 p2))), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND p0 p2)))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 15 factoid took 373 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 180 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false, false]
RANDOM walk for 40000 steps (937 resets) in 1839 ms. (21 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 863 ms. (46 steps per ms) remains 1/1 properties
[2024-05-30 09:48:48] [INFO ] Invariant cache hit.
Problem apf4 is UNSAT
After SMT solving in domain Real declared 392/833 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 59 ms.
Refiners :[Domain max(s): 0/490 constraints, Positive P Invariants (semi-flows): 0/147 constraints, State Equation: 0/490 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 152ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 (NOT p2)), (X (NOT p2)), (X (NOT (AND p0 (NOT p2)))), (X (NOT (AND (NOT p0) p2))), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND p0 p2))), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND p0 p2)))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2)))), (G (OR (NOT p0) (NOT p2)))]
False Knowledge obtained : [(F (NOT (OR p0 p2))), (F (NOT p0)), (F p2), (F (NOT (OR p0 (NOT p2)))), (F (NOT (AND p0 (NOT p2))))]
Knowledge based reduction with 16 factoid took 486 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 121 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false]
Stuttering acceptance computed with spot in 137 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false]
Stuttering acceptance computed with spot in 133 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false]
Product exploration explored 100000 steps with 3846 reset in 5494 ms.
Product exploration explored 100000 steps with 3846 reset in 5536 ms.
Support contains 392 out of 490 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 490/490 places, 343/343 transitions.
Applied a total of 0 rules in 7 ms. Remains 490 /490 variables (removed 0) and now considering 343/343 (removed 0) transitions.
[2024-05-30 09:49:00] [INFO ] Invariant cache hit.
[2024-05-30 09:49:00] [INFO ] Implicit Places using invariants in 390 ms returned []
[2024-05-30 09:49:00] [INFO ] Invariant cache hit.
[2024-05-30 09:49:01] [INFO ] Implicit Places using invariants and state equation in 496 ms returned []
Implicit Place search using SMT with State Equation took 892 ms to find 0 implicit places.
[2024-05-30 09:49:01] [INFO ] Redundant transitions in 1 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 909 ms. Remains : 490/490 places, 343/343 transitions.
Treatment of property Sudoku-PT-AN07-LTLCardinality-06 finished in 55368 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(((X(p0) U (X(p2)||p1)) U p2)))'
Support contains 4 out of 490 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 490/490 places, 343/343 transitions.
Reduce places removed 342 places and 0 transitions.
Iterating post reduction 0 with 342 rules applied. Total rules applied 342 place count 148 transition count 343
Applied a total of 342 rules in 19 ms. Remains 148 /490 variables (removed 342) and now considering 343/343 (removed 0) transitions.
// Phase 1: matrix 343 rows 148 cols
[2024-05-30 09:49:01] [INFO ] Computed 20 invariants in 13 ms
[2024-05-30 09:49:01] [INFO ] Implicit Places using invariants in 237 ms returned []
[2024-05-30 09:49:01] [INFO ] Invariant cache hit.
[2024-05-30 09:49:01] [INFO ] Implicit Places using invariants and state equation in 324 ms returned []
Implicit Place search using SMT with State Equation took 562 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in LTL mode, iteration 1 : 148/490 places, 343/343 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 581 ms. Remains : 148/490 places, 343/343 transitions.
Stuttering acceptance computed with spot in 145 ms :[(NOT p2), (NOT p2), (AND (NOT p2) (NOT p0)), true]
Running random walk in product with property : Sudoku-PT-AN07-LTLCardinality-11
Entered a terminal (fully accepting) state of product in 8 steps with 1 reset in 1 ms.
FORMULA Sudoku-PT-AN07-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Sudoku-PT-AN07-LTLCardinality-11 finished in 745 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G(p1)||p0))))'
Support contains 3 out of 490 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 490/490 places, 343/343 transitions.
Graph (complete) has 1029 edges and 490 vertex of which 147 are kept as prefixes of interest. Removing 343 places using SCC suffix rule.3 ms
Discarding 343 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 18 ms. Remains 147 /490 variables (removed 343) and now considering 343/343 (removed 0) transitions.
// Phase 1: matrix 343 rows 147 cols
[2024-05-30 09:49:01] [INFO ] Computed 20 invariants in 9 ms
[2024-05-30 09:49:02] [INFO ] Implicit Places using invariants in 222 ms returned []
[2024-05-30 09:49:02] [INFO ] Invariant cache hit.
[2024-05-30 09:49:02] [INFO ] Implicit Places using invariants and state equation in 382 ms returned []
Implicit Place search using SMT with State Equation took 610 ms to find 0 implicit places.
[2024-05-30 09:49:02] [INFO ] Redundant transitions in 1 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in SI_LTL mode, iteration 1 : 147/490 places, 343/343 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 640 ms. Remains : 147/490 places, 343/343 transitions.
Stuttering acceptance computed with spot in 87 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Sudoku-PT-AN07-LTLCardinality-12
Stuttering criterion allowed to conclude after 40 steps with 0 reset in 4 ms.
FORMULA Sudoku-PT-AN07-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Sudoku-PT-AN07-LTLCardinality-12 finished in 747 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(!p0) U ((!p0&&X(!p0))||X(G(!p0)))))'
Support contains 2 out of 490 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 490/490 places, 343/343 transitions.
Reduce places removed 343 places and 0 transitions.
Iterating post reduction 0 with 343 rules applied. Total rules applied 343 place count 147 transition count 343
Applied a total of 343 rules in 6 ms. Remains 147 /490 variables (removed 343) and now considering 343/343 (removed 0) transitions.
[2024-05-30 09:49:02] [INFO ] Invariant cache hit.
[2024-05-30 09:49:02] [INFO ] Implicit Places using invariants in 236 ms returned []
[2024-05-30 09:49:02] [INFO ] Invariant cache hit.
[2024-05-30 09:49:03] [INFO ] Implicit Places using invariants and state equation in 363 ms returned []
Implicit Place search using SMT with State Equation took 601 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in LTL mode, iteration 1 : 147/490 places, 343/343 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 609 ms. Remains : 147/490 places, 343/343 transitions.
Stuttering acceptance computed with spot in 106 ms :[p0, p0, true]
Running random walk in product with property : Sudoku-PT-AN07-LTLCardinality-15
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA Sudoku-PT-AN07-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Sudoku-PT-AN07-LTLCardinality-15 finished in 738 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)||(p1&&X(p2)))))'
Found a Shortening insensitive property : Sudoku-PT-AN07-LTLCardinality-06
Stuttering acceptance computed with spot in 81 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2))]
Support contains 441 out of 490 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 490/490 places, 343/343 transitions.
Applied a total of 0 rules in 10 ms. Remains 490 /490 variables (removed 0) and now considering 343/343 (removed 0) transitions.
// Phase 1: matrix 343 rows 490 cols
[2024-05-30 09:49:03] [INFO ] Computed 147 invariants in 4 ms
[2024-05-30 09:49:04] [INFO ] Implicit Places using invariants in 255 ms returned []
[2024-05-30 09:49:04] [INFO ] Invariant cache hit.
[2024-05-30 09:49:04] [INFO ] Implicit Places using invariants and state equation in 361 ms returned []
Implicit Place search using SMT with State Equation took 617 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in LI_LTL mode , in 1 iterations and 627 ms. Remains : 490/490 places, 343/343 transitions.
Running random walk in product with property : Sudoku-PT-AN07-LTLCardinality-06
Product exploration explored 100000 steps with 3846 reset in 8638 ms.
Product exploration explored 100000 steps with 3846 reset in 8770 ms.
Computed a total of 490 stabilizing places and 343 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 490 transition count 343
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (NOT (AND p0 p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (AND (NOT p0) p1 (NOT p2))), (X (NOT p0)), (X (NOT (AND p0 p1 (NOT p2)))), (X p1), (X (AND (NOT p0) p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (AND (NOT p0) p1 (NOT p2)))), (X (X (NOT p0))), (X (X (NOT (AND p0 p1 (NOT p2))))), (X (X p1)), (X (X (AND (NOT p0) p1))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 26 factoid took 607 ms. Reduced automaton from 2 states, 8 edges and 3 AP (stutter sensitive) to 2 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 81 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2))]
RANDOM walk for 40000 steps (937 resets) in 2966 ms. (13 steps per ms) remains 3/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1244 ms. (32 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1206 ms. (33 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 849 ms. (47 steps per ms) remains 3/3 properties
[2024-05-30 09:49:37] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/441 variables, 441/441 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem apf4 is UNSAT
Problem apf5 is UNSAT
Problem apf6 is UNSAT
After SMT solving in domain Real declared 441/833 variables, and 539 constraints, problems are : Problem set: 3 solved, 0 unsolved in 177 ms.
Refiners :[Domain max(s): 441/490 constraints, Positive P Invariants (semi-flows): 98/147 constraints, State Equation: 0/490 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 429ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 3 invariant AP formulas.
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (NOT (AND p0 p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (AND (NOT p0) p1 (NOT p2))), (X (NOT p0)), (X (NOT (AND p0 p1 (NOT p2)))), (X p1), (X (AND (NOT p0) p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (AND (NOT p0) p1 (NOT p2)))), (X (X (NOT p0))), (X (X (NOT (AND p0 p1 (NOT p2))))), (X (X p1)), (X (X (AND (NOT p0) p1))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2)))), (G (OR (NOT p0) p2 p1)), (G (OR (NOT p0) p1)), (G (OR p0 p2 p1))]
False Knowledge obtained : [(F (NOT (AND p0 p1))), (F p2), (F (NOT (OR p0 p2 (NOT p1)))), (F (NOT (OR p0 p1))), (F (NOT (AND p0 (NOT p2) p1))), (F (NOT (OR p0 (NOT p1)))), (F (NOT p0)), (F (NOT p1))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 29 factoid took 1703 ms. Reduced automaton from 2 states, 8 edges and 3 AP (stutter sensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 226 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false, false]
Stuttering acceptance computed with spot in 213 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false, false]
Support contains 392 out of 490 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 490/490 places, 343/343 transitions.
Applied a total of 0 rules in 10 ms. Remains 490 /490 variables (removed 0) and now considering 343/343 (removed 0) transitions.
[2024-05-30 09:49:39] [INFO ] Invariant cache hit.
[2024-05-30 09:49:40] [INFO ] Implicit Places using invariants in 220 ms returned []
[2024-05-30 09:49:40] [INFO ] Invariant cache hit.
[2024-05-30 09:49:40] [INFO ] Implicit Places using invariants and state equation in 336 ms returned []
Implicit Place search using SMT with State Equation took 578 ms to find 0 implicit places.
[2024-05-30 09:49:40] [INFO ] Redundant transitions in 1 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 597 ms. Remains : 490/490 places, 343/343 transitions.
Computed a total of 490 stabilizing places and 343 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 490 transition count 343
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 (NOT p2)), (X (NOT p2)), (X (NOT (AND p0 (NOT p2)))), (X (NOT (AND (NOT p0) p2))), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND p0 p2))), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND p0 p2)))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 15 factoid took 275 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 128 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false, false]
RANDOM walk for 40000 steps (939 resets) in 1726 ms. (23 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 829 ms. (48 steps per ms) remains 1/1 properties
[2024-05-30 09:49:48] [INFO ] Invariant cache hit.
Problem apf4 is UNSAT
After SMT solving in domain Real declared 392/833 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 56 ms.
Refiners :[Domain max(s): 0/490 constraints, Positive P Invariants (semi-flows): 0/147 constraints, State Equation: 0/490 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 136ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 (NOT p2)), (X (NOT p2)), (X (NOT (AND p0 (NOT p2)))), (X (NOT (AND (NOT p0) p2))), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND p0 p2))), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND p0 p2)))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2)))), (G (OR (NOT p0) (NOT p2)))]
False Knowledge obtained : [(F (NOT (OR p0 p2))), (F (NOT p0)), (F p2), (F (NOT (OR p0 (NOT p2)))), (F (NOT (AND p0 (NOT p2))))]
Knowledge based reduction with 16 factoid took 429 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 102 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false]
Stuttering acceptance computed with spot in 84 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false]
Stuttering acceptance computed with spot in 90 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false]
Product exploration explored 100000 steps with 3846 reset in 5355 ms.
Product exploration explored 100000 steps with 3846 reset in 5387 ms.
Support contains 392 out of 490 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 490/490 places, 343/343 transitions.
Applied a total of 0 rules in 10 ms. Remains 490 /490 variables (removed 0) and now considering 343/343 (removed 0) transitions.
[2024-05-30 09:49:59] [INFO ] Invariant cache hit.
[2024-05-30 09:50:00] [INFO ] Implicit Places using invariants in 426 ms returned []
[2024-05-30 09:50:00] [INFO ] Invariant cache hit.
[2024-05-30 09:50:00] [INFO ] Implicit Places using invariants and state equation in 529 ms returned []
Implicit Place search using SMT with State Equation took 992 ms to find 0 implicit places.
[2024-05-30 09:50:00] [INFO ] Redundant transitions in 1 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 1ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 1012 ms. Remains : 490/490 places, 343/343 transitions.
Treatment of property Sudoku-PT-AN07-LTLCardinality-06 finished in 57012 ms.
[2024-05-30 09:50:00] [INFO ] Flatten gal took : 32 ms
[2024-05-30 09:50:00] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 4 ms.
[2024-05-30 09:50:00] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 490 places, 343 transitions and 1372 arcs took 5 ms.
Total runtime 191547 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------
Running Sudoku-PT-AN07
IS_COLORED=
IS_NUPN=
LOADING PETRI NET FILE /home/mcc/execution/406/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 490
TRANSITIONS: 343
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.010s, Sys 0.000s]
SAVING FILE /home/mcc/execution/406/model (.net / .def) ...
EXPORT TIME: [User 0.001s, Sys 0.000s]
----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES
Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net
Process ID: 1297
MODEL NAME: /home/mcc/execution/406/model
490 places, 343 transitions.
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
BK_TIME_CONFINEMENT_REACHED
--------------------
content from stderr:
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -timeout 360 -rebuildPNML
MEDDLY ERROR: Insufficient memory
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="Sudoku-PT-AN07"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is Sudoku-PT-AN07, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r399-tall-171690530700619"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Sudoku-PT-AN07.tgz
mv Sudoku-PT-AN07 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;