About the Execution of GreatSPN+red for MedleyA-PT-07
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 3901.184 | 831317.00 | 897956.00 | 2502.40 | FFTTFTFTF?FFFFTT | 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.r575-smll-171734919500051.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 MedleyA-PT-07, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r575-smll-171734919500051
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 560K
-rw-r--r-- 1 mcc users 6.4K Jun 2 17:16 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Jun 2 17:16 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Jun 2 17:16 CTLFireability.txt
-rw-r--r-- 1 mcc users 72K Jun 2 17:16 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jun 2 17:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 31K Jun 2 17:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Jun 2 17:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Jun 2 17:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 2 16:33 NewModel
-rw-r--r-- 1 mcc users 12K Jun 2 17:16 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K Jun 2 17:16 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Jun 2 17:16 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K Jun 2 17:16 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Jun 2 17:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Jun 2 17:12 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 2 16:33 equiv_col
-rw-r--r-- 1 mcc users 3 Jun 2 16:33 instance
-rw-r--r-- 1 mcc users 6 Jun 2 16:33 iscolored
-rw-r--r-- 1 mcc users 82K Jun 2 16:33 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 MedleyA-PT-07-LTLCardinality-00
FORMULA_NAME MedleyA-PT-07-LTLCardinality-01
FORMULA_NAME MedleyA-PT-07-LTLCardinality-02
FORMULA_NAME MedleyA-PT-07-LTLCardinality-03
FORMULA_NAME MedleyA-PT-07-LTLCardinality-04
FORMULA_NAME MedleyA-PT-07-LTLCardinality-05
FORMULA_NAME MedleyA-PT-07-LTLCardinality-06
FORMULA_NAME MedleyA-PT-07-LTLCardinality-07
FORMULA_NAME MedleyA-PT-07-LTLCardinality-08
FORMULA_NAME MedleyA-PT-07-LTLCardinality-09
FORMULA_NAME MedleyA-PT-07-LTLCardinality-10
FORMULA_NAME MedleyA-PT-07-LTLCardinality-11
FORMULA_NAME MedleyA-PT-07-LTLCardinality-12
FORMULA_NAME MedleyA-PT-07-LTLCardinality-13
FORMULA_NAME MedleyA-PT-07-LTLCardinality-14
FORMULA_NAME MedleyA-PT-07-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1717354385967
Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=MedleyA-PT-07
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-06-02 18:53:08] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2024-06-02 18:53:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-02 18:53:08] [INFO ] Load time of PNML (sax parser for PT used): 164 ms
[2024-06-02 18:53:08] [INFO ] Transformed 145 places.
[2024-06-02 18:53:08] [INFO ] Transformed 287 transitions.
[2024-06-02 18:53:08] [INFO ] Found NUPN structural information;
[2024-06-02 18:53:08] [INFO ] Parsed PT model containing 145 places and 287 transitions and 1240 arcs in 397 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 91 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 7 formulas.
Deduced a syphon composed of 2 places in 4 ms
Reduce places removed 2 places and 2 transitions.
FORMULA MedleyA-PT-07-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-07-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-07-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-07-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-07-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-07-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-07-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-07-LTLCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-07-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-07-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 25 out of 143 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 143/143 places, 285/285 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 142 transition count 285
Discarding 29 places :
Symmetric choice reduction at 1 with 29 rule applications. Total rules 30 place count 113 transition count 254
Iterating global reduction 1 with 29 rules applied. Total rules applied 59 place count 113 transition count 254
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 61 place count 111 transition count 250
Iterating global reduction 1 with 2 rules applied. Total rules applied 63 place count 111 transition count 250
Applied a total of 63 rules in 55 ms. Remains 111 /143 variables (removed 32) and now considering 250/285 (removed 35) transitions.
// Phase 1: matrix 250 rows 111 cols
[2024-06-02 18:53:09] [INFO ] Computed 10 invariants in 37 ms
[2024-06-02 18:53:09] [INFO ] Implicit Places using invariants in 341 ms returned []
[2024-06-02 18:53:09] [INFO ] Invariant cache hit.
[2024-06-02 18:53:09] [INFO ] Implicit Places using invariants and state equation in 362 ms returned []
Implicit Place search using SMT with State Equation took 749 ms to find 0 implicit places.
Running 249 sub problems to find dead transitions.
[2024-06-02 18:53:09] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/109 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/109 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Problem TDEAD121 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD126 is UNSAT
Problem TDEAD130 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD134 is UNSAT
Problem TDEAD135 is UNSAT
Problem TDEAD139 is UNSAT
Problem TDEAD142 is UNSAT
Problem TDEAD143 is UNSAT
Problem TDEAD144 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD151 is UNSAT
Problem TDEAD152 is UNSAT
Problem TDEAD153 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD159 is UNSAT
Problem TDEAD160 is UNSAT
Problem TDEAD161 is UNSAT
Problem TDEAD166 is UNSAT
Problem TDEAD167 is UNSAT
Problem TDEAD168 is UNSAT
Problem TDEAD169 is UNSAT
Problem TDEAD174 is UNSAT
Problem TDEAD175 is UNSAT
Problem TDEAD176 is UNSAT
Problem TDEAD177 is UNSAT
Problem TDEAD186 is UNSAT
Problem TDEAD187 is UNSAT
Problem TDEAD188 is UNSAT
Problem TDEAD189 is UNSAT
Problem TDEAD194 is UNSAT
Problem TDEAD196 is UNSAT
Problem TDEAD198 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD203 is UNSAT
Problem TDEAD205 is UNSAT
Problem TDEAD207 is UNSAT
Problem TDEAD210 is UNSAT
Problem TDEAD212 is UNSAT
Problem TDEAD214 is UNSAT
Problem TDEAD216 is UNSAT
Problem TDEAD219 is UNSAT
Problem TDEAD221 is UNSAT
Problem TDEAD223 is UNSAT
Problem TDEAD225 is UNSAT
Problem TDEAD228 is UNSAT
At refinement iteration 2 (OVERLAPS) 1/110 variables, 4/10 constraints. Problems are: Problem set: 48 solved, 201 unsolved
[2024-06-02 18:53:13] [INFO ] Deduced a trap composed of 22 places in 127 ms of which 19 ms to minimize.
[2024-06-02 18:53:13] [INFO ] Deduced a trap composed of 32 places in 84 ms of which 2 ms to minimize.
[2024-06-02 18:53:13] [INFO ] Deduced a trap composed of 16 places in 81 ms of which 2 ms to minimize.
[2024-06-02 18:53:13] [INFO ] Deduced a trap composed of 17 places in 78 ms of which 2 ms to minimize.
[2024-06-02 18:53:13] [INFO ] Deduced a trap composed of 18 places in 94 ms of which 1 ms to minimize.
[2024-06-02 18:53:14] [INFO ] Deduced a trap composed of 18 places in 69 ms of which 2 ms to minimize.
[2024-06-02 18:53:14] [INFO ] Deduced a trap composed of 16 places in 66 ms of which 1 ms to minimize.
[2024-06-02 18:53:14] [INFO ] Deduced a trap composed of 36 places in 66 ms of which 1 ms to minimize.
[2024-06-02 18:53:14] [INFO ] Deduced a trap composed of 23 places in 66 ms of which 1 ms to minimize.
[2024-06-02 18:53:14] [INFO ] Deduced a trap composed of 22 places in 72 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/110 variables, 10/20 constraints. Problems are: Problem set: 48 solved, 201 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/20 constraints. Problems are: Problem set: 48 solved, 201 unsolved
At refinement iteration 5 (OVERLAPS) 250/360 variables, 110/130 constraints. Problems are: Problem set: 48 solved, 201 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/360 variables, 0/130 constraints. Problems are: Problem set: 48 solved, 201 unsolved
At refinement iteration 7 (OVERLAPS) 1/361 variables, 1/131 constraints. Problems are: Problem set: 48 solved, 201 unsolved
[2024-06-02 18:53:19] [INFO ] Deduced a trap composed of 16 places in 145 ms of which 3 ms to minimize.
[2024-06-02 18:53:19] [INFO ] Deduced a trap composed of 17 places in 116 ms of which 3 ms to minimize.
[2024-06-02 18:53:19] [INFO ] Deduced a trap composed of 26 places in 89 ms of which 2 ms to minimize.
[2024-06-02 18:53:19] [INFO ] Deduced a trap composed of 27 places in 63 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/361 variables, 4/135 constraints. Problems are: Problem set: 48 solved, 201 unsolved
[2024-06-02 18:53:21] [INFO ] Deduced a trap composed of 15 places in 77 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/361 variables, 1/136 constraints. Problems are: Problem set: 48 solved, 201 unsolved
[2024-06-02 18:53:25] [INFO ] Deduced a trap composed of 24 places in 105 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/361 variables, 1/137 constraints. Problems are: Problem set: 48 solved, 201 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/361 variables, 0/137 constraints. Problems are: Problem set: 48 solved, 201 unsolved
At refinement iteration 12 (OVERLAPS) 0/361 variables, 0/137 constraints. Problems are: Problem set: 48 solved, 201 unsolved
No progress, stopping.
After SMT solving in domain Real declared 361/361 variables, and 137 constraints, problems are : Problem set: 48 solved, 201 unsolved in 20388 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 111/111 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 16/16 constraints]
Escalating to Integer solving :Problem set: 48 solved, 201 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/109 variables, 6/6 constraints. Problems are: Problem set: 48 solved, 201 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/109 variables, 0/6 constraints. Problems are: Problem set: 48 solved, 201 unsolved
At refinement iteration 2 (OVERLAPS) 1/110 variables, 4/10 constraints. Problems are: Problem set: 48 solved, 201 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/110 variables, 12/22 constraints. Problems are: Problem set: 48 solved, 201 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/22 constraints. Problems are: Problem set: 48 solved, 201 unsolved
At refinement iteration 5 (OVERLAPS) 250/360 variables, 110/132 constraints. Problems are: Problem set: 48 solved, 201 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/360 variables, 200/332 constraints. Problems are: Problem set: 48 solved, 201 unsolved
[2024-06-02 18:53:37] [INFO ] Deduced a trap composed of 18 places in 90 ms of which 2 ms to minimize.
[2024-06-02 18:53:37] [INFO ] Deduced a trap composed of 29 places in 73 ms of which 1 ms to minimize.
[2024-06-02 18:53:37] [INFO ] Deduced a trap composed of 32 places in 71 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/360 variables, 3/335 constraints. Problems are: Problem set: 48 solved, 201 unsolved
[2024-06-02 18:53:42] [INFO ] Deduced a trap composed of 32 places in 83 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/360 variables, 1/336 constraints. Problems are: Problem set: 48 solved, 201 unsolved
[2024-06-02 18:53:46] [INFO ] Deduced a trap composed of 29 places in 80 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/360 variables, 1/337 constraints. Problems are: Problem set: 48 solved, 201 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/360 variables, 0/337 constraints. Problems are: Problem set: 48 solved, 201 unsolved
At refinement iteration 11 (OVERLAPS) 1/361 variables, 1/338 constraints. Problems are: Problem set: 48 solved, 201 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/361 variables, 1/339 constraints. Problems are: Problem set: 48 solved, 201 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/361 variables, 4/343 constraints. Problems are: Problem set: 48 solved, 201 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 361/361 variables, and 343 constraints, problems are : Problem set: 48 solved, 201 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 111/111 constraints, PredecessorRefiner: 201/249 constraints, Known Traps: 21/21 constraints]
After SMT, in 51303ms problems are : Problem set: 48 solved, 201 unsolved
Search for dead transitions found 48 dead transitions in 51340ms
Found 48 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 48 transitions
Dead transitions reduction (with SMT) removed 48 transitions
Starting structural reductions in LTL mode, iteration 1 : 111/143 places, 202/285 transitions.
Applied a total of 0 rules in 11 ms. Remains 111 /111 variables (removed 0) and now considering 202/202 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 52207 ms. Remains : 111/143 places, 202/285 transitions.
Support contains 25 out of 111 places after structural reductions.
[2024-06-02 18:54:01] [INFO ] Flatten gal took : 97 ms
[2024-06-02 18:54:01] [INFO ] Flatten gal took : 43 ms
[2024-06-02 18:54:01] [INFO ] Input system was already deterministic with 202 transitions.
Support contains 18 out of 111 places (down from 25) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 10 to 9
RANDOM walk for 40000 steps (1408 resets) in 2034 ms. (19 steps per ms) remains 3/9 properties
BEST_FIRST walk for 40003 steps (315 resets) in 242 ms. (164 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (316 resets) in 181 ms. (219 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (310 resets) in 193 ms. (206 steps per ms) remains 3/3 properties
// Phase 1: matrix 202 rows 111 cols
[2024-06-02 18:54:02] [INFO ] Computed 10 invariants in 6 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 43/50 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 37/87 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 175/262 variables, 87/95 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 22/284 variables, 9/104 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/284 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 4/288 variables, 2/106 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/288 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 15/303 variables, 9/115 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/303 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 9/312 variables, 5/120 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/312 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 1/313 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/313 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 0/313 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 313/313 variables, and 121 constraints, problems are : Problem set: 0 solved, 3 unsolved in 306 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 111/111 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 43/50 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 37/87 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-06-02 18:54:03] [INFO ] Deduced a trap composed of 34 places in 95 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 175/262 variables, 87/96 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/262 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 22/284 variables, 9/107 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/284 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-06-02 18:54:03] [INFO ] Deduced a trap composed of 22 places in 117 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/284 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/284 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 4/288 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-06-02 18:54:03] [INFO ] Deduced a trap composed of 47 places in 130 ms of which 2 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/288 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/288 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 15/303 variables, 9/121 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/303 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (OVERLAPS) 9/312 variables, 5/126 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/312 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (OVERLAPS) 1/313 variables, 1/127 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/313 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 22 (OVERLAPS) 0/313 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 313/313 variables, and 127 constraints, problems are : Problem set: 0 solved, 3 unsolved in 903 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 111/111 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 3/3 constraints]
After SMT, in 1222ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 1 properties in 521 ms.
Support contains 5 out of 111 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 202/202 transitions.
Graph (complete) has 355 edges and 111 vertex of which 105 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.3 ms
Discarding 6 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 14 transitions
Trivial Post-agglo rules discarded 14 transitions
Performed 14 trivial Post agglomeration. Transition count delta: 14
Iterating post reduction 0 with 26 rules applied. Total rules applied 27 place count 105 transition count 173
Reduce places removed 14 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 16 rules applied. Total rules applied 43 place count 91 transition count 171
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 47 place count 89 transition count 169
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 7 Pre rules applied. Total rules applied 47 place count 89 transition count 162
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 61 place count 82 transition count 162
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 67 place count 76 transition count 152
Iterating global reduction 3 with 6 rules applied. Total rules applied 73 place count 76 transition count 152
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 73 place count 76 transition count 151
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 75 place count 75 transition count 151
Performed 19 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 19 places in 1 ms
Ensure Unique test removed 2 places
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 3 with 40 rules applied. Total rules applied 115 place count 54 transition count 130
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 117 place count 54 transition count 128
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -24
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 4 with 12 rules applied. Total rules applied 129 place count 48 transition count 152
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 139 place count 48 transition count 142
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -23
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 143 place count 46 transition count 165
Free-agglomeration rule applied 4 times.
Iterating global reduction 4 with 4 rules applied. Total rules applied 147 place count 46 transition count 161
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 151 place count 42 transition count 161
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 5 with 2 rules applied. Total rules applied 153 place count 42 transition count 159
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 155 place count 40 transition count 159
Applied a total of 155 rules in 134 ms. Remains 40 /111 variables (removed 71) and now considering 159/202 (removed 43) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 135 ms. Remains : 40/111 places, 159/202 transitions.
RANDOM walk for 40000 steps (100 resets) in 634 ms. (62 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40001 steps (121 resets) in 107 ms. (370 steps per ms) remains 1/1 properties
// Phase 1: matrix 159 rows 40 cols
[2024-06-02 18:54:04] [INFO ] Computed 9 invariants in 2 ms
[2024-06-02 18:54:04] [INFO ] State equation strengthened by 86 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 18/21 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 17/38 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/40 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 159/199 variables, 40/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/199 variables, 86/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/199 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/199 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 199/199 variables, and 135 constraints, problems are : Problem set: 0 solved, 1 unsolved in 101 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 40/40 constraints, ReadFeed: 86/86 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 18/21 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 17/38 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/40 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 159/199 variables, 40/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/199 variables, 86/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/199 variables, 1/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/199 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/199 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 199/199 variables, and 136 constraints, problems are : Problem set: 0 solved, 1 unsolved in 158 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 40/40 constraints, ReadFeed: 86/86 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 273ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 11 ms.
Support contains 3 out of 40 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 159/159 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 39 transition count 158
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 39 transition count 158
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 2 place count 39 transition count 157
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 38 transition count 157
Applied a total of 4 rules in 19 ms. Remains 38 /40 variables (removed 2) and now considering 157/159 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 38/40 places, 157/159 transitions.
RANDOM walk for 40000 steps (101 resets) in 128 ms. (310 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (138 resets) in 92 ms. (430 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 529 steps, run visited all 1 properties in 25 ms. (steps per millisecond=21 )
Probabilistic random walk after 529 steps, saw 206 distinct states, run finished after 32 ms. (steps per millisecond=16 ) properties seen :1
FORMULA MedleyA-PT-07-LTLCardinality-13 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 11 stabilizing places and 11 stable transitions
Graph (complete) has 355 edges and 111 vertex of which 105 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.7 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(p0)))'
Support contains 2 out of 111 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 111/111 places, 202/202 transitions.
Graph (complete) has 355 edges and 111 vertex of which 105 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.2 ms
Discarding 6 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 104 transition count 186
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 1 with 15 rules applied. Total rules applied 28 place count 93 transition count 182
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 5 rules applied. Total rules applied 33 place count 91 transition count 179
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 34 place count 90 transition count 179
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 7 Pre rules applied. Total rules applied 34 place count 90 transition count 172
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 4 with 14 rules applied. Total rules applied 48 place count 83 transition count 172
Discarding 7 places :
Symmetric choice reduction at 4 with 7 rule applications. Total rules 55 place count 76 transition count 161
Iterating global reduction 4 with 7 rules applied. Total rules applied 62 place count 76 transition count 161
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 62 place count 76 transition count 160
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 64 place count 75 transition count 160
Performed 22 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 22 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 4 with 46 rules applied. Total rules applied 110 place count 51 transition count 135
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 112 place count 51 transition count 133
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -24
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 5 with 12 rules applied. Total rules applied 124 place count 45 transition count 157
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 5 with 12 rules applied. Total rules applied 136 place count 45 transition count 145
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -23
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 5 with 4 rules applied. Total rules applied 140 place count 43 transition count 168
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 141 place count 42 transition count 167
Applied a total of 141 rules in 85 ms. Remains 42 /111 variables (removed 69) and now considering 167/202 (removed 35) transitions.
// Phase 1: matrix 167 rows 42 cols
[2024-06-02 18:54:05] [INFO ] Computed 6 invariants in 3 ms
[2024-06-02 18:54:05] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-06-02 18:54:05] [INFO ] Invariant cache hit.
[2024-06-02 18:54:05] [INFO ] State equation strengthened by 82 read => feed constraints.
[2024-06-02 18:54:05] [INFO ] Implicit Places using invariants and state equation in 179 ms returned []
Implicit Place search using SMT with State Equation took 259 ms to find 0 implicit places.
[2024-06-02 18:54:05] [INFO ] Redundant transitions in 35 ms returned [75, 77]
Found 2 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 2 transitions
Redundant transitions reduction (with SMT) removed 2 transitions.
Running 160 sub problems to find dead transitions.
// Phase 1: matrix 165 rows 42 cols
[2024-06-02 18:54:05] [INFO ] Computed 6 invariants in 2 ms
[2024-06-02 18:54:05] [INFO ] State equation strengthened by 82 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (OVERLAPS) 1/41 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (OVERLAPS) 165/206 variables, 41/47 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 82/129 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (OVERLAPS) 1/207 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/207 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 8 (OVERLAPS) 0/207 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Real declared 207/207 variables, and 130 constraints, problems are : Problem set: 0 solved, 160 unsolved in 6681 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 42/42 constraints, ReadFeed: 82/82 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 160 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (OVERLAPS) 1/41 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (OVERLAPS) 165/206 variables, 41/47 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 82/129 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 157/286 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 7 (OVERLAPS) 1/207 variables, 1/287 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/207 variables, 3/290 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/207 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 10 (OVERLAPS) 0/207 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Int declared 207/207 variables, and 290 constraints, problems are : Problem set: 0 solved, 160 unsolved in 10955 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 42/42 constraints, ReadFeed: 82/82 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints]
After SMT, in 18056ms problems are : Problem set: 0 solved, 160 unsolved
Search for dead transitions found 0 dead transitions in 18060ms
Starting structural reductions in SI_LTL mode, iteration 1 : 42/111 places, 165/202 transitions.
Applied a total of 0 rules in 18 ms. Remains 42 /42 variables (removed 0) and now considering 165/165 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 18471 ms. Remains : 42/111 places, 165/202 transitions.
Stuttering acceptance computed with spot in 339 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : MedleyA-PT-07-LTLCardinality-00
Product exploration explored 100000 steps with 14217 reset in 732 ms.
Product exploration explored 100000 steps with 14287 reset in 356 ms.
Computed a total of 7 stabilizing places and 80 stable transitions
Computed a total of 7 stabilizing places and 80 stable transitions
Knowledge obtained : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 229 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 9 steps (0 resets) in 6 ms. (1 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (F (NOT p0))]
Knowledge based reduction with 1 factoid took 327 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 99 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 98 ms :[(NOT p0), (NOT p0)]
Support contains 2 out of 42 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 42/42 places, 165/165 transitions.
Applied a total of 0 rules in 10 ms. Remains 42 /42 variables (removed 0) and now considering 165/165 (removed 0) transitions.
[2024-06-02 18:54:26] [INFO ] Invariant cache hit.
[2024-06-02 18:54:26] [INFO ] Implicit Places using invariants in 200 ms returned []
[2024-06-02 18:54:26] [INFO ] Invariant cache hit.
[2024-06-02 18:54:26] [INFO ] State equation strengthened by 82 read => feed constraints.
[2024-06-02 18:54:26] [INFO ] Implicit Places using invariants and state equation in 221 ms returned []
Implicit Place search using SMT with State Equation took 423 ms to find 0 implicit places.
[2024-06-02 18:54:26] [INFO ] Redundant transitions in 30 ms returned []
Running 160 sub problems to find dead transitions.
[2024-06-02 18:54:26] [INFO ] Invariant cache hit.
[2024-06-02 18:54:26] [INFO ] State equation strengthened by 82 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (OVERLAPS) 1/41 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (OVERLAPS) 165/206 variables, 41/47 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 82/129 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (OVERLAPS) 1/207 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/207 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 8 (OVERLAPS) 0/207 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Real declared 207/207 variables, and 130 constraints, problems are : Problem set: 0 solved, 160 unsolved in 6363 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 42/42 constraints, ReadFeed: 82/82 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 160 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (OVERLAPS) 1/41 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (OVERLAPS) 165/206 variables, 41/47 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 82/129 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 157/286 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 7 (OVERLAPS) 1/207 variables, 1/287 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/207 variables, 3/290 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/207 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 10 (OVERLAPS) 0/207 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Int declared 207/207 variables, and 290 constraints, problems are : Problem set: 0 solved, 160 unsolved in 10492 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 42/42 constraints, ReadFeed: 82/82 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints]
After SMT, in 17240ms problems are : Problem set: 0 solved, 160 unsolved
Search for dead transitions found 0 dead transitions in 17243ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 17716 ms. Remains : 42/42 places, 165/165 transitions.
Computed a total of 7 stabilizing places and 80 stable transitions
Computed a total of 7 stabilizing places and 80 stable transitions
Knowledge obtained : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 239 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 99 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 10 steps (0 resets) in 4 ms. (2 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (F (NOT p0))]
Knowledge based reduction with 1 factoid took 259 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 103 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 115 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 113 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 14283 reset in 362 ms.
Product exploration explored 100000 steps with 14321 reset in 403 ms.
Support contains 2 out of 42 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 42/42 places, 165/165 transitions.
Applied a total of 0 rules in 10 ms. Remains 42 /42 variables (removed 0) and now considering 165/165 (removed 0) transitions.
[2024-06-02 18:54:45] [INFO ] Invariant cache hit.
[2024-06-02 18:54:45] [INFO ] Implicit Places using invariants in 79 ms returned []
[2024-06-02 18:54:45] [INFO ] Invariant cache hit.
[2024-06-02 18:54:46] [INFO ] State equation strengthened by 82 read => feed constraints.
[2024-06-02 18:54:46] [INFO ] Implicit Places using invariants and state equation in 204 ms returned []
Implicit Place search using SMT with State Equation took 294 ms to find 0 implicit places.
[2024-06-02 18:54:46] [INFO ] Redundant transitions in 51 ms returned []
Running 160 sub problems to find dead transitions.
[2024-06-02 18:54:46] [INFO ] Invariant cache hit.
[2024-06-02 18:54:46] [INFO ] State equation strengthened by 82 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (OVERLAPS) 1/41 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (OVERLAPS) 165/206 variables, 41/47 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 82/129 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (OVERLAPS) 1/207 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/207 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 8 (OVERLAPS) 0/207 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Real declared 207/207 variables, and 130 constraints, problems are : Problem set: 0 solved, 160 unsolved in 6389 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 42/42 constraints, ReadFeed: 82/82 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 160 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (OVERLAPS) 1/41 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (OVERLAPS) 165/206 variables, 41/47 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 82/129 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 157/286 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 7 (OVERLAPS) 1/207 variables, 1/287 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/207 variables, 3/290 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/207 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 10 (OVERLAPS) 0/207 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Int declared 207/207 variables, and 290 constraints, problems are : Problem set: 0 solved, 160 unsolved in 9816 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 42/42 constraints, ReadFeed: 82/82 constraints, PredecessorRefiner: 160/160 constraints, Known Traps: 0/0 constraints]
After SMT, in 16576ms problems are : Problem set: 0 solved, 160 unsolved
Search for dead transitions found 0 dead transitions in 16580ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 16974 ms. Remains : 42/42 places, 165/165 transitions.
Treatment of property MedleyA-PT-07-LTLCardinality-00 finished in 57410 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(((p1 U p2)||p0))))'
Support contains 2 out of 111 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 : 111/111 places, 202/202 transitions.
Graph (complete) has 355 edges and 111 vertex of which 105 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 104 transition count 186
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 1 with 15 rules applied. Total rules applied 28 place count 93 transition count 182
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 5 rules applied. Total rules applied 33 place count 91 transition count 179
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 34 place count 90 transition count 179
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 7 Pre rules applied. Total rules applied 34 place count 90 transition count 172
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 4 with 14 rules applied. Total rules applied 48 place count 83 transition count 172
Discarding 7 places :
Symmetric choice reduction at 4 with 7 rule applications. Total rules 55 place count 76 transition count 161
Iterating global reduction 4 with 7 rules applied. Total rules applied 62 place count 76 transition count 161
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 62 place count 76 transition count 160
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 64 place count 75 transition count 160
Performed 21 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 21 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 4 with 44 rules applied. Total rules applied 108 place count 52 transition count 136
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 110 place count 52 transition count 134
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -16
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 5 with 10 rules applied. Total rules applied 120 place count 47 transition count 150
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 130 place count 47 transition count 140
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -22
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 5 with 4 rules applied. Total rules applied 134 place count 45 transition count 162
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 135 place count 44 transition count 161
Applied a total of 135 rules in 45 ms. Remains 44 /111 variables (removed 67) and now considering 161/202 (removed 41) transitions.
// Phase 1: matrix 161 rows 44 cols
[2024-06-02 18:55:02] [INFO ] Computed 6 invariants in 1 ms
[2024-06-02 18:55:02] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-06-02 18:55:02] [INFO ] Invariant cache hit.
[2024-06-02 18:55:03] [INFO ] State equation strengthened by 76 read => feed constraints.
[2024-06-02 18:55:03] [INFO ] Implicit Places using invariants and state equation in 128 ms returned []
Implicit Place search using SMT with State Equation took 191 ms to find 0 implicit places.
[2024-06-02 18:55:03] [INFO ] Redundant transitions in 30 ms returned [87, 88]
Found 2 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 2 transitions
Redundant transitions reduction (with SMT) removed 2 transitions.
Running 156 sub problems to find dead transitions.
// Phase 1: matrix 159 rows 44 cols
[2024-06-02 18:55:03] [INFO ] Computed 6 invariants in 1 ms
[2024-06-02 18:55:03] [INFO ] State equation strengthened by 76 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 1 (OVERLAPS) 1/44 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 156 unsolved
[2024-06-02 18:55:04] [INFO ] Deduced a trap composed of 10 places in 62 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/44 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 4 (OVERLAPS) 159/203 variables, 44/51 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/203 variables, 76/127 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/203 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 7 (OVERLAPS) 0/203 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 156 unsolved
No progress, stopping.
After SMT solving in domain Real declared 203/203 variables, and 127 constraints, problems are : Problem set: 0 solved, 156 unsolved in 5356 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 44/44 constraints, ReadFeed: 76/76 constraints, PredecessorRefiner: 156/156 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 156 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 1 (OVERLAPS) 1/44 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/44 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 4 (OVERLAPS) 159/203 variables, 44/51 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/203 variables, 76/127 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/203 variables, 156/283 constraints. Problems are: Problem set: 0 solved, 156 unsolved
[2024-06-02 18:55:13] [INFO ] Deduced a trap composed of 14 places in 69 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/203 variables, 1/284 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/203 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 9 (OVERLAPS) 0/203 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 156 unsolved
No progress, stopping.
After SMT solving in domain Int declared 203/203 variables, and 284 constraints, problems are : Problem set: 0 solved, 156 unsolved in 16641 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 44/44 constraints, ReadFeed: 76/76 constraints, PredecessorRefiner: 156/156 constraints, Known Traps: 2/2 constraints]
After SMT, in 22270ms problems are : Problem set: 0 solved, 156 unsolved
Search for dead transitions found 0 dead transitions in 22274ms
Starting structural reductions in SI_LTL mode, iteration 1 : 44/111 places, 159/202 transitions.
Applied a total of 0 rules in 8 ms. Remains 44 /44 variables (removed 0) and now considering 159/159 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 22557 ms. Remains : 44/111 places, 159/202 transitions.
Stuttering acceptance computed with spot in 101 ms :[(AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : MedleyA-PT-07-LTLCardinality-06
Stuttering criterion allowed to conclude after 47 steps with 4 reset in 1 ms.
FORMULA MedleyA-PT-07-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-07-LTLCardinality-06 finished in 22683 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(p0)&&F(G(p1)))))'
Support contains 4 out of 111 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 111/111 places, 202/202 transitions.
Graph (complete) has 355 edges and 111 vertex of which 105 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 0 with 13 rules applied. Total rules applied 14 place count 104 transition count 185
Reduce places removed 12 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 1 with 16 rules applied. Total rules applied 30 place count 92 transition count 181
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 34 place count 90 transition count 179
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 34 place count 90 transition count 173
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 46 place count 84 transition count 173
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 50 place count 80 transition count 167
Iterating global reduction 3 with 4 rules applied. Total rules applied 54 place count 80 transition count 167
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 54 place count 80 transition count 166
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 56 place count 79 transition count 166
Performed 23 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 23 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 3 with 48 rules applied. Total rules applied 104 place count 54 transition count 140
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 106 place count 54 transition count 138
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: -36
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 4 with 16 rules applied. Total rules applied 122 place count 46 transition count 174
Drop transitions (Redundant composition of simpler transitions.) removed 28 transitions
Redundant transition composition rules discarded 28 transitions
Iterating global reduction 4 with 28 rules applied. Total rules applied 150 place count 46 transition count 146
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -20
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 154 place count 44 transition count 166
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 156 place count 44 transition count 164
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 157 place count 43 transition count 163
Applied a total of 157 rules in 68 ms. Remains 43 /111 variables (removed 68) and now considering 163/202 (removed 39) transitions.
// Phase 1: matrix 163 rows 43 cols
[2024-06-02 18:55:25] [INFO ] Computed 6 invariants in 1 ms
[2024-06-02 18:55:25] [INFO ] Implicit Places using invariants in 79 ms returned []
[2024-06-02 18:55:25] [INFO ] Invariant cache hit.
[2024-06-02 18:55:25] [INFO ] State equation strengthened by 79 read => feed constraints.
[2024-06-02 18:55:25] [INFO ] Implicit Places using invariants and state equation in 183 ms returned []
Implicit Place search using SMT with State Equation took 265 ms to find 0 implicit places.
[2024-06-02 18:55:25] [INFO ] Redundant transitions in 29 ms returned [71, 72]
Found 2 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 2 transitions
Redundant transitions reduction (with SMT) removed 2 transitions.
Running 155 sub problems to find dead transitions.
// Phase 1: matrix 161 rows 43 cols
[2024-06-02 18:55:25] [INFO ] Computed 6 invariants in 2 ms
[2024-06-02 18:55:25] [INFO ] State equation strengthened by 79 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 1 (OVERLAPS) 1/43 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 3 (OVERLAPS) 161/204 variables, 43/49 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 79/128 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 6 (OVERLAPS) 0/204 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 155 unsolved
No progress, stopping.
After SMT solving in domain Real declared 204/204 variables, and 128 constraints, problems are : Problem set: 0 solved, 155 unsolved in 5522 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 43/43 constraints, ReadFeed: 79/79 constraints, PredecessorRefiner: 155/155 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 155 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 1 (OVERLAPS) 1/43 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 3 (OVERLAPS) 161/204 variables, 43/49 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 79/128 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 155/283 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/204 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 7 (OVERLAPS) 0/204 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 155 unsolved
No progress, stopping.
After SMT solving in domain Int declared 204/204 variables, and 283 constraints, problems are : Problem set: 0 solved, 155 unsolved in 8035 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 43/43 constraints, ReadFeed: 79/79 constraints, PredecessorRefiner: 155/155 constraints, Known Traps: 0/0 constraints]
After SMT, in 13758ms problems are : Problem set: 0 solved, 155 unsolved
Search for dead transitions found 0 dead transitions in 13761ms
Starting structural reductions in SI_LTL mode, iteration 1 : 43/111 places, 161/202 transitions.
Applied a total of 0 rules in 7 ms. Remains 43 /43 variables (removed 0) and now considering 161/161 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 14139 ms. Remains : 43/111 places, 161/202 transitions.
Stuttering acceptance computed with spot in 135 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : MedleyA-PT-07-LTLCardinality-09
Product exploration explored 100000 steps with 12828 reset in 426 ms.
Product exploration explored 100000 steps with 12862 reset in 334 ms.
Computed a total of 9 stabilizing places and 79 stable transitions
Computed a total of 9 stabilizing places and 79 stable transitions
Detected a total of 9/43 stabilizing places and 79/161 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 160 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 135 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
RANDOM walk for 21096 steps (2705 resets) in 315 ms. (66 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 6 factoid took 247 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 153 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 157 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Support contains 4 out of 43 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 43/43 places, 161/161 transitions.
Applied a total of 0 rules in 9 ms. Remains 43 /43 variables (removed 0) and now considering 161/161 (removed 0) transitions.
[2024-06-02 18:55:41] [INFO ] Invariant cache hit.
[2024-06-02 18:55:41] [INFO ] Implicit Places using invariants in 88 ms returned []
[2024-06-02 18:55:41] [INFO ] Invariant cache hit.
[2024-06-02 18:55:41] [INFO ] State equation strengthened by 79 read => feed constraints.
[2024-06-02 18:55:41] [INFO ] Implicit Places using invariants and state equation in 193 ms returned []
Implicit Place search using SMT with State Equation took 285 ms to find 0 implicit places.
[2024-06-02 18:55:41] [INFO ] Redundant transitions in 21 ms returned []
Running 155 sub problems to find dead transitions.
[2024-06-02 18:55:41] [INFO ] Invariant cache hit.
[2024-06-02 18:55:41] [INFO ] State equation strengthened by 79 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 1 (OVERLAPS) 1/43 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 3 (OVERLAPS) 161/204 variables, 43/49 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 79/128 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 6 (OVERLAPS) 0/204 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 155 unsolved
No progress, stopping.
After SMT solving in domain Real declared 204/204 variables, and 128 constraints, problems are : Problem set: 0 solved, 155 unsolved in 5309 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 43/43 constraints, ReadFeed: 79/79 constraints, PredecessorRefiner: 155/155 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 155 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 1 (OVERLAPS) 1/43 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 3 (OVERLAPS) 161/204 variables, 43/49 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 79/128 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 155/283 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/204 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 7 (OVERLAPS) 0/204 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 155 unsolved
No progress, stopping.
After SMT solving in domain Int declared 204/204 variables, and 283 constraints, problems are : Problem set: 0 solved, 155 unsolved in 8328 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 43/43 constraints, ReadFeed: 79/79 constraints, PredecessorRefiner: 155/155 constraints, Known Traps: 0/0 constraints]
After SMT, in 13863ms problems are : Problem set: 0 solved, 155 unsolved
Search for dead transitions found 0 dead transitions in 13872ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 14197 ms. Remains : 43/43 places, 161/161 transitions.
Computed a total of 9 stabilizing places and 79 stable transitions
Computed a total of 9 stabilizing places and 79 stable transitions
Detected a total of 9/43 stabilizing places and 79/161 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 158 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 159 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
RANDOM walk for 26336 steps (3391 resets) in 204 ms. (128 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 6 factoid took 245 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 151 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 159 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 157 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 12807 reset in 372 ms.
Product exploration explored 100000 steps with 12864 reset in 392 ms.
Support contains 4 out of 43 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 43/43 places, 161/161 transitions.
Applied a total of 0 rules in 6 ms. Remains 43 /43 variables (removed 0) and now considering 161/161 (removed 0) transitions.
[2024-06-02 18:55:57] [INFO ] Invariant cache hit.
[2024-06-02 18:55:57] [INFO ] Implicit Places using invariants in 78 ms returned []
[2024-06-02 18:55:57] [INFO ] Invariant cache hit.
[2024-06-02 18:55:57] [INFO ] State equation strengthened by 79 read => feed constraints.
[2024-06-02 18:55:58] [INFO ] Implicit Places using invariants and state equation in 189 ms returned []
Implicit Place search using SMT with State Equation took 269 ms to find 0 implicit places.
[2024-06-02 18:55:58] [INFO ] Redundant transitions in 24 ms returned []
Running 155 sub problems to find dead transitions.
[2024-06-02 18:55:58] [INFO ] Invariant cache hit.
[2024-06-02 18:55:58] [INFO ] State equation strengthened by 79 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 1 (OVERLAPS) 1/43 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 3 (OVERLAPS) 161/204 variables, 43/49 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 79/128 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 6 (OVERLAPS) 0/204 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 155 unsolved
No progress, stopping.
After SMT solving in domain Real declared 204/204 variables, and 128 constraints, problems are : Problem set: 0 solved, 155 unsolved in 5816 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 43/43 constraints, ReadFeed: 79/79 constraints, PredecessorRefiner: 155/155 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 155 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 1 (OVERLAPS) 1/43 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 3 (OVERLAPS) 161/204 variables, 43/49 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 79/128 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 155/283 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/204 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 7 (OVERLAPS) 0/204 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 155 unsolved
No progress, stopping.
After SMT solving in domain Int declared 204/204 variables, and 283 constraints, problems are : Problem set: 0 solved, 155 unsolved in 6584 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 43/43 constraints, ReadFeed: 79/79 constraints, PredecessorRefiner: 155/155 constraints, Known Traps: 0/0 constraints]
After SMT, in 12658ms problems are : Problem set: 0 solved, 155 unsolved
Search for dead transitions found 0 dead transitions in 12661ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 12969 ms. Remains : 43/43 places, 161/161 transitions.
Treatment of property MedleyA-PT-07-LTLCardinality-09 finished in 45277 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 2 out of 111 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 111/111 places, 202/202 transitions.
Graph (complete) has 355 edges and 111 vertex of which 105 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 0 with 14 rules applied. Total rules applied 15 place count 104 transition count 184
Reduce places removed 13 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 1 with 17 rules applied. Total rules applied 32 place count 91 transition count 180
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 36 place count 89 transition count 178
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 7 Pre rules applied. Total rules applied 36 place count 89 transition count 171
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 50 place count 82 transition count 171
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 56 place count 76 transition count 161
Iterating global reduction 3 with 6 rules applied. Total rules applied 62 place count 76 transition count 161
Performed 25 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 25 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 27 places and 0 transitions.
Iterating global reduction 3 with 52 rules applied. Total rules applied 114 place count 49 transition count 133
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 116 place count 49 transition count 131
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -24
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 4 with 12 rules applied. Total rules applied 128 place count 43 transition count 155
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 4 with 12 rules applied. Total rules applied 140 place count 43 transition count 143
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -23
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 144 place count 41 transition count 166
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 145 place count 40 transition count 165
Applied a total of 145 rules in 24 ms. Remains 40 /111 variables (removed 71) and now considering 165/202 (removed 37) transitions.
// Phase 1: matrix 165 rows 40 cols
[2024-06-02 18:56:10] [INFO ] Computed 6 invariants in 1 ms
[2024-06-02 18:56:10] [INFO ] Implicit Places using invariants in 49 ms returned []
[2024-06-02 18:56:10] [INFO ] Invariant cache hit.
[2024-06-02 18:56:10] [INFO ] State equation strengthened by 76 read => feed constraints.
[2024-06-02 18:56:11] [INFO ] Implicit Places using invariants and state equation in 152 ms returned []
Implicit Place search using SMT with State Equation took 203 ms to find 0 implicit places.
[2024-06-02 18:56:11] [INFO ] Redundant transitions in 23 ms returned [73, 74]
Found 2 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 2 transitions
Redundant transitions reduction (with SMT) removed 2 transitions.
Running 157 sub problems to find dead transitions.
// Phase 1: matrix 163 rows 40 cols
[2024-06-02 18:56:11] [INFO ] Computed 6 invariants in 1 ms
[2024-06-02 18:56:11] [INFO ] State equation strengthened by 76 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 1 (OVERLAPS) 1/40 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 3 (OVERLAPS) 163/203 variables, 40/46 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/203 variables, 76/122 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/203 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 6 (OVERLAPS) 0/203 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 157 unsolved
No progress, stopping.
After SMT solving in domain Real declared 203/203 variables, and 122 constraints, problems are : Problem set: 0 solved, 157 unsolved in 5567 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 40/40 constraints, ReadFeed: 76/76 constraints, PredecessorRefiner: 157/157 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 157 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 1 (OVERLAPS) 1/40 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 3 (OVERLAPS) 163/203 variables, 40/46 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/203 variables, 76/122 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/203 variables, 157/279 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/203 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 7 (OVERLAPS) 0/203 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 157 unsolved
No progress, stopping.
After SMT solving in domain Int declared 203/203 variables, and 279 constraints, problems are : Problem set: 0 solved, 157 unsolved in 7082 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 40/40 constraints, ReadFeed: 76/76 constraints, PredecessorRefiner: 157/157 constraints, Known Traps: 0/0 constraints]
After SMT, in 12999ms problems are : Problem set: 0 solved, 157 unsolved
Search for dead transitions found 0 dead transitions in 13002ms
Starting structural reductions in SI_LTL mode, iteration 1 : 40/111 places, 163/202 transitions.
Applied a total of 0 rules in 4 ms. Remains 40 /40 variables (removed 0) and now considering 163/163 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 13264 ms. Remains : 40/111 places, 163/202 transitions.
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Running random walk in product with property : MedleyA-PT-07-LTLCardinality-10
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 0 ms.
FORMULA MedleyA-PT-07-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-07-LTLCardinality-10 finished in 13322 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 5 out of 111 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 111/111 places, 202/202 transitions.
Graph (complete) has 355 edges and 111 vertex of which 110 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 9 rules applied. Total rules applied 10 place count 109 transition count 192
Reduce places removed 9 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 1 with 12 rules applied. Total rules applied 22 place count 100 transition count 189
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 27 place count 97 transition count 187
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 7 Pre rules applied. Total rules applied 27 place count 97 transition count 180
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 41 place count 90 transition count 180
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 48 place count 83 transition count 169
Iterating global reduction 3 with 7 rules applied. Total rules applied 55 place count 83 transition count 169
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 55 place count 83 transition count 168
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 57 place count 82 transition count 168
Performed 17 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 17 places in 1 ms
Ensure Unique test removed 2 places
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 3 with 36 rules applied. Total rules applied 93 place count 63 transition count 149
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 95 place count 63 transition count 147
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -24
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 4 with 12 rules applied. Total rules applied 107 place count 57 transition count 171
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 4 with 9 rules applied. Total rules applied 116 place count 57 transition count 162
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 4 with 1 rules applied. Total rules applied 117 place count 57 transition count 161
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 118 place count 56 transition count 161
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -23
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 122 place count 54 transition count 184
Partial Post-agglomeration rule applied 4 times.
Drop transitions (Partial Post agglomeration) removed 4 transitions
Iterating global reduction 6 with 4 rules applied. Total rules applied 126 place count 54 transition count 184
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 127 place count 53 transition count 183
Iterating global reduction 6 with 1 rules applied. Total rules applied 128 place count 53 transition count 183
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 129 place count 52 transition count 182
Applied a total of 129 rules in 47 ms. Remains 52 /111 variables (removed 59) and now considering 182/202 (removed 20) transitions.
// Phase 1: matrix 182 rows 52 cols
[2024-06-02 18:56:24] [INFO ] Computed 8 invariants in 2 ms
[2024-06-02 18:56:24] [INFO ] Implicit Places using invariants in 82 ms returned []
[2024-06-02 18:56:24] [INFO ] Invariant cache hit.
[2024-06-02 18:56:24] [INFO ] State equation strengthened by 86 read => feed constraints.
[2024-06-02 18:56:24] [INFO ] Implicit Places using invariants and state equation in 137 ms returned []
Implicit Place search using SMT with State Equation took 221 ms to find 0 implicit places.
[2024-06-02 18:56:24] [INFO ] Redundant transitions in 1 ms returned []
Running 177 sub problems to find dead transitions.
[2024-06-02 18:56:24] [INFO ] Invariant cache hit.
[2024-06-02 18:56:24] [INFO ] State equation strengthened by 86 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/51 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/51 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (OVERLAPS) 182/233 variables, 51/59 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/233 variables, 86/145 constraints. Problems are: Problem set: 0 solved, 177 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/233 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (OVERLAPS) 1/234 variables, 1/146 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/234 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 9 (OVERLAPS) 0/234 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Real declared 234/234 variables, and 146 constraints, problems are : Problem set: 0 solved, 177 unsolved in 8522 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 52/52 constraints, ReadFeed: 86/86 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 177 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/51 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/51 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (OVERLAPS) 182/233 variables, 51/59 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/233 variables, 86/145 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/233 variables, 172/317 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/233 variables, 0/317 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 8 (OVERLAPS) 1/234 variables, 1/318 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/234 variables, 5/323 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/234 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 11 (OVERLAPS) 0/234 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Int declared 234/234 variables, and 323 constraints, problems are : Problem set: 0 solved, 177 unsolved in 13724 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 52/52 constraints, ReadFeed: 86/86 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints]
After SMT, in 22463ms problems are : Problem set: 0 solved, 177 unsolved
Search for dead transitions found 0 dead transitions in 22465ms
Starting structural reductions in SI_LTL mode, iteration 1 : 52/111 places, 182/202 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 22741 ms. Remains : 52/111 places, 182/202 transitions.
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
Running random walk in product with property : MedleyA-PT-07-LTLCardinality-11
Stuttering criterion allowed to conclude after 13 steps with 0 reset in 0 ms.
FORMULA MedleyA-PT-07-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-07-LTLCardinality-11 finished in 22808 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(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' '!(G((F(p0)&&F(G(p1)))))'
[2024-06-02 18:56:47] [INFO ] Flatten gal took : 19 ms
[2024-06-02 18:56:47] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 3 ms.
[2024-06-02 18:56:47] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 111 places, 202 transitions and 813 arcs took 4 ms.
Total runtime 219238 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------
Running MedleyA-PT-07
IS_COLORED=
IS_NUPN=
LOADING PETRI NET FILE /home/mcc/execution/413/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 111
TRANSITIONS: 202
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.011s, Sys 0.000s]
SAVING FILE /home/mcc/execution/413/model (.net / .def) ...
EXPORT TIME: [User 0.002s, 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: 1160
MODEL NAME: /home/mcc/execution/413/model
111 places, 202 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.
Building monolithic NSF...
FORMULA MedleyA-PT-07-LTLCardinality-00 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA MedleyA-PT-07-LTLCardinality-09 CANNOT_COMPUTE
Ok.
EXITCODE: 0
----------------------------------------------------------------------
BK_STOP 1717355217284
--------------------
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
Error in allocating array of size 8388608 at unique_table.cc, line 313
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="MedleyA-PT-07"
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 MedleyA-PT-07, 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 r575-smll-171734919500051"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/MedleyA-PT-07.tgz
mv MedleyA-PT-07 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 ;