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.r157-smll-171636265200185.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 EisenbergMcGuire-PT-08, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r157-smll-171636265200185
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.1M
-rw-r--r-- 1 mcc users 8.0K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 75K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Apr 22 14:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Apr 22 14:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K May 19 07:17 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 19 18:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.3K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 77K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K May 14 13:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K May 14 13:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 19 07:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 19 15:25 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 1.7M May 18 16:42 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 EisenbergMcGuire-PT-08-CTLCardinality-2024-00
FORMULA_NAME EisenbergMcGuire-PT-08-CTLCardinality-2024-01
FORMULA_NAME EisenbergMcGuire-PT-08-CTLCardinality-2024-02
FORMULA_NAME EisenbergMcGuire-PT-08-CTLCardinality-2024-03
FORMULA_NAME EisenbergMcGuire-PT-08-CTLCardinality-2024-04
FORMULA_NAME EisenbergMcGuire-PT-08-CTLCardinality-2024-05
FORMULA_NAME EisenbergMcGuire-PT-08-CTLCardinality-2024-06
FORMULA_NAME EisenbergMcGuire-PT-08-CTLCardinality-2024-07
FORMULA_NAME EisenbergMcGuire-PT-08-CTLCardinality-2024-08
FORMULA_NAME EisenbergMcGuire-PT-08-CTLCardinality-2024-09
FORMULA_NAME EisenbergMcGuire-PT-08-CTLCardinality-2024-10
FORMULA_NAME EisenbergMcGuire-PT-08-CTLCardinality-2024-11
FORMULA_NAME EisenbergMcGuire-PT-08-CTLCardinality-2023-12
FORMULA_NAME EisenbergMcGuire-PT-08-CTLCardinality-2023-13
FORMULA_NAME EisenbergMcGuire-PT-08-CTLCardinality-2023-14
FORMULA_NAME EisenbergMcGuire-PT-08-CTLCardinality-2023-15

=== Now, execution of the tool begins

BK_START 1716508339294

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=EisenbergMcGuire-PT-08
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-23 23:52:21] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -timeout, 360, -rebuildPNML]
[2024-05-23 23:52:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-23 23:52:22] [INFO ] Load time of PNML (sax parser for PT used): 707 ms
[2024-05-23 23:52:22] [INFO ] Transformed 712 places.
[2024-05-23 23:52:23] [INFO ] Transformed 2816 transitions.
[2024-05-23 23:52:23] [INFO ] Found NUPN structural information;
[2024-05-23 23:52:23] [INFO ] Parsed PT model containing 712 places and 2816 transitions and 13440 arcs in 1076 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 81 ms.
FORMULA EisenbergMcGuire-PT-08-CTLCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 97 out of 712 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 712/712 places, 2816/2816 transitions.
Discarding 50 places :
Symmetric choice reduction at 0 with 50 rule applications. Total rules 50 place count 662 transition count 2416
Iterating global reduction 0 with 50 rules applied. Total rules applied 100 place count 662 transition count 2416
Applied a total of 100 rules in 237 ms. Remains 662 /712 variables (removed 50) and now considering 2416/2816 (removed 400) transitions.
[2024-05-23 23:52:23] [INFO ] Flow matrix only has 968 transitions (discarded 1448 similar events)
// Phase 1: matrix 968 rows 662 cols
[2024-05-23 23:52:23] [INFO ] Computed 25 invariants in 60 ms
[2024-05-23 23:52:25] [INFO ] Implicit Places using invariants in 1840 ms returned []
[2024-05-23 23:52:25] [INFO ] Flow matrix only has 968 transitions (discarded 1448 similar events)
[2024-05-23 23:52:25] [INFO ] Invariant cache hit.
[2024-05-23 23:52:26] [INFO ] State equation strengthened by 326 read => feed constraints.
[2024-05-23 23:52:31] [INFO ] Implicit Places using invariants and state equation in 5909 ms returned []
Implicit Place search using SMT with State Equation took 7799 ms to find 0 implicit places.
Running 2408 sub problems to find dead transitions.
[2024-05-23 23:52:31] [INFO ] Flow matrix only has 968 transitions (discarded 1448 similar events)
[2024-05-23 23:52:31] [INFO ] Invariant cache hit.
[2024-05-23 23:52:31] [INFO ] State equation strengthened by 326 read => feed constraints.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/662 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2408 unsolved
SMT process timed out in 32746ms, After SMT, problems are : Problem set: 0 solved, 2408 unsolved
Search for dead transitions found 0 dead transitions in 32871ms
Starting structural reductions in LTL mode, iteration 1 : 662/712 places, 2416/2816 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 40984 ms. Remains : 662/712 places, 2416/2816 transitions.
Support contains 97 out of 662 places after structural reductions.
[2024-05-23 23:53:05] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2024-05-23 23:53:05] [INFO ] Flatten gal took : 511 ms
FORMULA EisenbergMcGuire-PT-08-CTLCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-23 23:53:05] [INFO ] Flatten gal took : 196 ms
[2024-05-23 23:53:05] [INFO ] Input system was already deterministic with 2416 transitions.
Support contains 95 out of 662 places (down from 97) after GAL structural reductions.
RANDOM walk for 40000 steps (8 resets) in 2671 ms. (14 steps per ms) remains 24/49 properties
BEST_FIRST walk for 4004 steps (8 resets) in 66 ms. (59 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 24/24 properties
[2024-05-23 23:53:07] [INFO ] Flow matrix only has 968 transitions (discarded 1448 similar events)
[2024-05-23 23:53:07] [INFO ] Invariant cache hit.
[2024-05-23 23:53:07] [INFO ] State equation strengthened by 326 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (OVERLAPS) 592/639 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/639 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (OVERLAPS) 15/654 variables, 8/24 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/654 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (OVERLAPS) 968/1622 variables, 654/678 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1622 variables, 326/1004 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1622 variables, 0/1004 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 8 (OVERLAPS) 8/1630 variables, 8/1012 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1630 variables, 1/1013 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1630 variables, 0/1013 constraints. Problems are: Problem set: 0 solved, 24 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1630/1630 variables, and 1013 constraints, problems are : Problem set: 0 solved, 24 unsolved in 5017 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 662/662 constraints, ReadFeed: 326/326 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 24 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (OVERLAPS) 592/639 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 24 unsolved
[2024-05-23 23:53:13] [INFO ] Deduced a trap composed of 3 places in 289 ms of which 37 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/639 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/639 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (OVERLAPS) 15/654 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 24 unsolved
[2024-05-23 23:53:15] [INFO ] Deduced a trap composed of 3 places in 557 ms of which 7 ms to minimize.
[2024-05-23 23:53:16] [INFO ] Deduced a trap composed of 3 places in 558 ms of which 6 ms to minimize.
[2024-05-23 23:53:17] [INFO ] Deduced a trap composed of 3 places in 523 ms of which 11 ms to minimize.
[2024-05-23 23:53:17] [INFO ] Deduced a trap composed of 42 places in 570 ms of which 20 ms to minimize.
SMT process timed out in 10459ms, After SMT, problems are : Problem set: 0 solved, 24 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 47 out of 662 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 662/662 places, 2416/2416 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 662 transition count 2410
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 12 place count 656 transition count 2410
Performed 175 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 175 Pre rules applied. Total rules applied 12 place count 656 transition count 2235
Deduced a syphon composed of 175 places in 10 ms
Reduce places removed 175 places and 0 transitions.
Iterating global reduction 2 with 350 rules applied. Total rules applied 362 place count 481 transition count 2235
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 367 place count 476 transition count 2195
Iterating global reduction 2 with 5 rules applied. Total rules applied 372 place count 476 transition count 2195
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 9 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 2 with 96 rules applied. Total rules applied 468 place count 428 transition count 2147
Applied a total of 468 rules in 638 ms. Remains 428 /662 variables (removed 234) and now considering 2147/2416 (removed 269) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 640 ms. Remains : 428/662 places, 2147/2416 transitions.
RANDOM walk for 40000 steps (8 resets) in 1033 ms. (38 steps per ms) remains 23/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 23/23 properties
Interrupted probabilistic random walk after 143928 steps, run timeout after 3001 ms. (steps per millisecond=47 ) properties seen :15 out of 23
Probabilistic random walk after 143928 steps, saw 92190 distinct states, run finished after 3006 ms. (steps per millisecond=47 ) properties seen :15
[2024-05-23 23:53:21] [INFO ] Flow matrix only has 699 transitions (discarded 1448 similar events)
// Phase 1: matrix 699 rows 428 cols
[2024-05-23 23:53:21] [INFO ] Computed 25 invariants in 5 ms
[2024-05-23 23:53:21] [INFO ] State equation strengthened by 291 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 381/402 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/402 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 3/405 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/405 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 15/420 variables, 8/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/420 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 699/1119 variables, 420/444 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1119 variables, 291/735 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1119 variables, 0/735 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (OVERLAPS) 8/1127 variables, 8/743 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1127 variables, 1/744 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1127 variables, 0/744 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (OVERLAPS) 0/1127 variables, 0/744 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1127/1127 variables, and 744 constraints, problems are : Problem set: 0 solved, 8 unsolved in 1836 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 428/428 constraints, ReadFeed: 291/291 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 381/402 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 8 unsolved
[2024-05-23 23:53:24] [INFO ] Deduced a trap composed of 3 places in 84 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/402 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/402 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 3/405 variables, 3/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/405 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 15/420 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 8 unsolved
[2024-05-23 23:53:24] [INFO ] Deduced a trap composed of 15 places in 249 ms of which 3 ms to minimize.
[2024-05-23 23:53:25] [INFO ] Deduced a trap composed of 3 places in 220 ms of which 3 ms to minimize.
[2024-05-23 23:53:25] [INFO ] Deduced a trap composed of 61 places in 282 ms of which 3 ms to minimize.
[2024-05-23 23:53:25] [INFO ] Deduced a trap composed of 21 places in 272 ms of which 5 ms to minimize.
[2024-05-23 23:53:26] [INFO ] Deduced a trap composed of 28 places in 368 ms of which 5 ms to minimize.
[2024-05-23 23:53:26] [INFO ] Deduced a trap composed of 3 places in 268 ms of which 4 ms to minimize.
[2024-05-23 23:53:26] [INFO ] Deduced a trap composed of 30 places in 219 ms of which 3 ms to minimize.
[2024-05-23 23:53:26] [INFO ] Deduced a trap composed of 27 places in 221 ms of which 3 ms to minimize.
[2024-05-23 23:53:27] [INFO ] Deduced a trap composed of 20 places in 225 ms of which 3 ms to minimize.
[2024-05-23 23:53:27] [INFO ] Deduced a trap composed of 23 places in 153 ms of which 2 ms to minimize.
[2024-05-23 23:53:27] [INFO ] Deduced a trap composed of 6 places in 153 ms of which 2 ms to minimize.
[2024-05-23 23:53:27] [INFO ] Deduced a trap composed of 21 places in 128 ms of which 2 ms to minimize.
Problem AtomicPropp25 is UNSAT
[2024-05-23 23:53:28] [INFO ] Deduced a trap composed of 32 places in 462 ms of which 5 ms to minimize.
[2024-05-23 23:53:28] [INFO ] Deduced a trap composed of 52 places in 299 ms of which 4 ms to minimize.
[2024-05-23 23:53:28] [INFO ] Deduced a trap composed of 46 places in 227 ms of which 3 ms to minimize.
[2024-05-23 23:53:28] [INFO ] Deduced a trap composed of 75 places in 225 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/420 variables, 16/41 constraints. Problems are: Problem set: 1 solved, 7 unsolved
[2024-05-23 23:53:29] [INFO ] Deduced a trap composed of 3 places in 77 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/420 variables, 1/42 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/420 variables, 0/42 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 699/1119 variables, 420/462 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1119 variables, 291/753 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1119 variables, 1/754 constraints. Problems are: Problem set: 1 solved, 7 unsolved
[2024-05-23 23:53:30] [INFO ] Deduced a trap composed of 3 places in 81 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/1119 variables, 1/755 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1119 variables, 0/755 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 15 (OVERLAPS) 8/1127 variables, 8/763 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1127 variables, 1/764 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1127 variables, 6/770 constraints. Problems are: Problem set: 1 solved, 7 unsolved
[2024-05-23 23:53:31] [INFO ] Deduced a trap composed of 82 places in 421 ms of which 5 ms to minimize.
[2024-05-23 23:53:32] [INFO ] Deduced a trap composed of 112 places in 509 ms of which 5 ms to minimize.
[2024-05-23 23:53:32] [INFO ] Deduced a trap composed of 94 places in 490 ms of which 5 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/1127 variables, 3/773 constraints. Problems are: Problem set: 1 solved, 7 unsolved
[2024-05-23 23:53:33] [INFO ] Deduced a trap composed of 100 places in 526 ms of which 6 ms to minimize.
[2024-05-23 23:53:34] [INFO ] Deduced a trap composed of 76 places in 474 ms of which 6 ms to minimize.
[2024-05-23 23:53:34] [INFO ] Deduced a trap composed of 76 places in 655 ms of which 6 ms to minimize.
[2024-05-23 23:53:35] [INFO ] Deduced a trap composed of 76 places in 648 ms of which 6 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/1127 variables, 4/777 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1127 variables, 0/777 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 21 (OVERLAPS) 0/1127 variables, 0/777 constraints. Problems are: Problem set: 1 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1127/1127 variables, and 777 constraints, problems are : Problem set: 1 solved, 7 unsolved in 13701 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 428/428 constraints, ReadFeed: 291/291 constraints, PredecessorRefiner: 7/8 constraints, Known Traps: 26/26 constraints]
After SMT, in 15578ms problems are : Problem set: 1 solved, 7 unsolved
Parikh walk visited 3 properties in 3991 ms.
Support contains 14 out of 428 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 428/428 places, 2147/2147 transitions.
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 21 Pre rules applied. Total rules applied 0 place count 428 transition count 2126
Deduced a syphon composed of 21 places in 12 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 0 with 42 rules applied. Total rules applied 42 place count 407 transition count 2126
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 6 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 46 place count 405 transition count 2124
Applied a total of 46 rules in 185 ms. Remains 405 /428 variables (removed 23) and now considering 2124/2147 (removed 23) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 185 ms. Remains : 405/428 places, 2124/2147 transitions.
RANDOM walk for 40000 steps (8 resets) in 389 ms. (102 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 78 ms. (506 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 83 ms. (476 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 76 ms. (519 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 78 ms. (506 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 234315 steps, run timeout after 3001 ms. (steps per millisecond=78 ) properties seen :1 out of 4
Probabilistic random walk after 234315 steps, saw 142046 distinct states, run finished after 3001 ms. (steps per millisecond=78 ) properties seen :1
[2024-05-23 23:53:44] [INFO ] Flow matrix only has 676 transitions (discarded 1448 similar events)
// Phase 1: matrix 676 rows 405 cols
[2024-05-23 23:53:44] [INFO ] Computed 25 invariants in 4 ms
[2024-05-23 23:53:44] [INFO ] State equation strengthened by 291 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 320/330 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/330 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 4/334 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/334 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 13/347 variables, 7/21 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/347 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 592/939 variables, 347/368 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/939 variables, 140/508 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/939 variables, 0/508 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 22/961 variables, 8/516 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/961 variables, 1/517 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/961 variables, 75/592 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/961 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 22/983 variables, 10/602 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/983 variables, 10/612 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/983 variables, 0/612 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 38/1021 variables, 2/614 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1021 variables, 0/614 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 2/1023 variables, 1/615 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1023 variables, 0/615 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (OVERLAPS) 58/1081 variables, 40/655 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1081 variables, 66/721 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1081 variables, 0/721 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 24 (OVERLAPS) 0/1081 variables, 0/721 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1081/1081 variables, and 721 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1287 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 405/405 constraints, ReadFeed: 291/291 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) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 320/330 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-05-23 23:53:46] [INFO ] Deduced a trap composed of 3 places in 72 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/330 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/330 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 4/334 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/334 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 13/347 variables, 7/22 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-05-23 23:53:47] [INFO ] Deduced a trap composed of 24 places in 455 ms of which 5 ms to minimize.
[2024-05-23 23:53:47] [INFO ] Deduced a trap composed of 22 places in 418 ms of which 5 ms to minimize.
[2024-05-23 23:53:47] [INFO ] Deduced a trap composed of 3 places in 84 ms of which 2 ms to minimize.
[2024-05-23 23:53:47] [INFO ] Deduced a trap composed of 59 places in 207 ms of which 3 ms to minimize.
[2024-05-23 23:53:48] [INFO ] Deduced a trap composed of 35 places in 225 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/347 variables, 5/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-05-23 23:53:48] [INFO ] Deduced a trap composed of 3 places in 195 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/347 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/347 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 592/939 variables, 347/375 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/939 variables, 140/515 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/939 variables, 1/516 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/939 variables, 0/516 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 22/961 variables, 8/524 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/961 variables, 1/525 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/961 variables, 75/600 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/961 variables, 1/601 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/961 variables, 0/601 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 22/983 variables, 10/611 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/983 variables, 10/621 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-05-23 23:53:49] [INFO ] Deduced a trap composed of 3 places in 84 ms of which 1 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/983 variables, 1/622 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/983 variables, 0/622 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 23 (OVERLAPS) 38/1021 variables, 2/624 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1021 variables, 0/624 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 25 (OVERLAPS) 2/1023 variables, 1/625 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1023 variables, 1/626 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-05-23 23:53:49] [INFO ] Deduced a trap composed of 3 places in 80 ms of which 3 ms to minimize.
At refinement iteration 27 (INCLUDED_ONLY) 0/1023 variables, 1/627 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1023 variables, 0/627 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 29 (OVERLAPS) 58/1081 variables, 40/667 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/1081 variables, 66/733 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 31 (INCLUDED_ONLY) 0/1081 variables, 0/733 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 32 (OVERLAPS) 0/1081 variables, 0/733 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1081/1081 variables, and 733 constraints, problems are : Problem set: 0 solved, 3 unsolved in 4469 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 405/405 constraints, ReadFeed: 291/291 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 9/9 constraints]
After SMT, in 5785ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 1254 ms.
Support contains 10 out of 405 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 405/405 places, 2124/2124 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 405 transition count 2122
Deduced a syphon composed of 2 places in 6 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 403 transition count 2122
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 402 transition count 2114
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 402 transition count 2114
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 10 place count 400 transition count 2112
Applied a total of 10 rules in 139 ms. Remains 400 /405 variables (removed 5) and now considering 2112/2124 (removed 12) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 139 ms. Remains : 400/405 places, 2112/2124 transitions.
RANDOM walk for 40000 steps (8 resets) in 267 ms. (149 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 53 ms. (740 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 75 ms. (526 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 114 ms. (347 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 199476 steps, run timeout after 3001 ms. (steps per millisecond=66 ) properties seen :0 out of 3
Probabilistic random walk after 199476 steps, saw 118829 distinct states, run finished after 3001 ms. (steps per millisecond=66 ) properties seen :0
[2024-05-23 23:53:55] [INFO ] Flow matrix only has 664 transitions (discarded 1448 similar events)
// Phase 1: matrix 664 rows 400 cols
[2024-05-23 23:53:55] [INFO ] Computed 25 invariants in 5 ms
[2024-05-23 23:53:55] [INFO ] State equation strengthened by 284 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 317/327 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/327 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 4/331 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/331 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 13/344 variables, 7/21 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/344 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 582/926 variables, 344/365 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/926 variables, 140/505 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/926 variables, 0/505 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 22/948 variables, 8/513 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/948 variables, 1/514 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/948 variables, 68/582 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/948 variables, 0/582 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 22/970 variables, 10/592 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/970 variables, 10/602 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/970 variables, 0/602 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 36/1006 variables, 2/604 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1006 variables, 0/604 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 2/1008 variables, 1/605 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1008 variables, 0/605 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (OVERLAPS) 56/1064 variables, 38/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1064 variables, 66/709 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1064 variables, 0/709 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 24 (OVERLAPS) 0/1064 variables, 0/709 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1064/1064 variables, and 709 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1222 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 400/400 constraints, ReadFeed: 284/284 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) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 317/327 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-05-23 23:53:56] [INFO ] Deduced a trap composed of 3 places in 72 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/327 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/327 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 4/331 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/331 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 13/344 variables, 7/22 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-05-23 23:53:57] [INFO ] Deduced a trap composed of 3 places in 339 ms of which 4 ms to minimize.
[2024-05-23 23:53:57] [INFO ] Deduced a trap composed of 22 places in 278 ms of which 4 ms to minimize.
[2024-05-23 23:53:57] [INFO ] Deduced a trap composed of 3 places in 123 ms of which 2 ms to minimize.
[2024-05-23 23:53:58] [INFO ] Deduced a trap composed of 3 places in 280 ms of which 3 ms to minimize.
[2024-05-23 23:53:58] [INFO ] Deduced a trap composed of 40 places in 283 ms of which 4 ms to minimize.
[2024-05-23 23:53:58] [INFO ] Deduced a trap composed of 16 places in 271 ms of which 4 ms to minimize.
[2024-05-23 23:53:58] [INFO ] Deduced a trap composed of 58 places in 201 ms of which 2 ms to minimize.
[2024-05-23 23:53:59] [INFO ] Deduced a trap composed of 23 places in 201 ms of which 3 ms to minimize.
[2024-05-23 23:53:59] [INFO ] Deduced a trap composed of 44 places in 198 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/344 variables, 9/31 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/344 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 582/926 variables, 344/375 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/926 variables, 140/515 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/926 variables, 1/516 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/926 variables, 0/516 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 22/948 variables, 8/524 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/948 variables, 1/525 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/948 variables, 68/593 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/948 variables, 1/594 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/948 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (OVERLAPS) 22/970 variables, 10/604 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/970 variables, 10/614 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/970 variables, 0/614 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (OVERLAPS) 36/1006 variables, 2/616 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1006 variables, 0/616 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 23 (OVERLAPS) 2/1008 variables, 1/617 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1008 variables, 1/618 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1008 variables, 0/618 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 26 (OVERLAPS) 56/1064 variables, 38/656 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1064 variables, 66/722 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1064 variables, 0/722 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 29 (OVERLAPS) 0/1064 variables, 0/722 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1064/1064 variables, and 722 constraints, problems are : Problem set: 0 solved, 3 unsolved in 4598 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 400/400 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 10/10 constraints]
After SMT, in 5858ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 1 properties in 1121 ms.
Support contains 7 out of 400 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 400/400 places, 2112/2112 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 400 transition count 2111
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 399 transition count 2111
Applied a total of 2 rules in 103 ms. Remains 399 /400 variables (removed 1) and now considering 2111/2112 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 103 ms. Remains : 399/400 places, 2111/2112 transitions.
RANDOM walk for 40000 steps (8 resets) in 194 ms. (205 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 62 ms. (634 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 45 ms. (869 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 197109 steps, run timeout after 3001 ms. (steps per millisecond=65 ) properties seen :0 out of 2
Probabilistic random walk after 197109 steps, saw 118074 distinct states, run finished after 3001 ms. (steps per millisecond=65 ) properties seen :0
[2024-05-23 23:54:05] [INFO ] Flow matrix only has 663 transitions (discarded 1448 similar events)
// Phase 1: matrix 663 rows 399 cols
[2024-05-23 23:54:05] [INFO ] Computed 25 invariants in 5 ms
[2024-05-23 23:54:05] [INFO ] State equation strengthened by 284 read => feed constraints.
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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 272/279 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/279 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/283 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/283 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 12/295 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 499/794 variables, 295/313 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/794 variables, 102/415 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/794 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 36/830 variables, 8/423 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/830 variables, 1/424 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/830 variables, 58/482 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/830 variables, 0/482 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 44/874 variables, 20/502 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/874 variables, 18/520 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/874 variables, 0/520 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 72/946 variables, 4/524 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/946 variables, 0/524 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 4/950 variables, 2/526 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/950 variables, 0/526 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 112/1062 variables, 76/602 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1062 variables, 106/708 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1062 variables, 0/708 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 0/1062 variables, 0/708 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1062/1062 variables, and 708 constraints, problems are : Problem set: 0 solved, 2 unsolved in 841 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 399/399 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 272/279 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/279 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/283 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/283 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 12/295 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-23 23:54:06] [INFO ] Deduced a trap composed of 4 places in 275 ms of which 4 ms to minimize.
[2024-05-23 23:54:07] [INFO ] Deduced a trap composed of 3 places in 279 ms of which 3 ms to minimize.
[2024-05-23 23:54:07] [INFO ] Deduced a trap composed of 35 places in 352 ms of which 4 ms to minimize.
[2024-05-23 23:54:07] [INFO ] Deduced a trap composed of 22 places in 267 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/295 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 499/794 variables, 295/317 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/794 variables, 102/419 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/794 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/794 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 36/830 variables, 8/428 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/830 variables, 1/429 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/830 variables, 58/487 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/830 variables, 0/487 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 44/874 variables, 20/507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/874 variables, 18/525 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/874 variables, 0/525 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 72/946 variables, 4/529 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/946 variables, 0/529 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 4/950 variables, 2/531 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/950 variables, 1/532 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/950 variables, 0/532 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 112/1062 variables, 76/608 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1062 variables, 106/714 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1062 variables, 0/714 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 27 (OVERLAPS) 0/1062 variables, 0/714 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1062/1062 variables, and 714 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2603 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 399/399 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 4/4 constraints]
After SMT, in 3477ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 567 ms.
Support contains 7 out of 399 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 399/399 places, 2111/2111 transitions.
Applied a total of 0 rules in 82 ms. Remains 399 /399 variables (removed 0) and now considering 2111/2111 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 82 ms. Remains : 399/399 places, 2111/2111 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 399/399 places, 2111/2111 transitions.
Applied a total of 0 rules in 72 ms. Remains 399 /399 variables (removed 0) and now considering 2111/2111 (removed 0) transitions.
[2024-05-23 23:54:09] [INFO ] Flow matrix only has 663 transitions (discarded 1448 similar events)
[2024-05-23 23:54:09] [INFO ] Invariant cache hit.
[2024-05-23 23:54:10] [INFO ] Implicit Places using invariants in 663 ms returned []
[2024-05-23 23:54:10] [INFO ] Flow matrix only has 663 transitions (discarded 1448 similar events)
[2024-05-23 23:54:10] [INFO ] Invariant cache hit.
[2024-05-23 23:54:10] [INFO ] State equation strengthened by 284 read => feed constraints.
[2024-05-23 23:54:13] [INFO ] Implicit Places using invariants and state equation in 3055 ms returned []
Implicit Place search using SMT with State Equation took 3722 ms to find 0 implicit places.
[2024-05-23 23:54:13] [INFO ] Redundant transitions in 174 ms returned []
Running 2103 sub problems to find dead transitions.
[2024-05-23 23:54:13] [INFO ] Flow matrix only has 663 transitions (discarded 1448 similar events)
[2024-05-23 23:54:13] [INFO ] Invariant cache hit.
[2024-05-23 23:54:13] [INFO ] State equation strengthened by 284 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/399 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2103 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/399 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2103 unsolved
[2024-05-23 23:54:45] [INFO ] Deduced a trap composed of 11 places in 604 ms of which 7 ms to minimize.
SMT process timed out in 31713ms, After SMT, problems are : Problem set: 0 solved, 2103 unsolved
Search for dead transitions found 0 dead transitions in 31753ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35738 ms. Remains : 399/399 places, 2111/2111 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 1949 edges and 399 vertex of which 63 / 399 are part of one of the 8 SCC in 8 ms
Free SCC test removed 55 places
Drop transitions (Empty/Sink Transition effects.) removed 208 transitions
Ensure Unique test removed 1402 transitions
Reduce isomorphic transitions removed 1610 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 78 transitions
Trivial Post-agglo rules discarded 78 transitions
Performed 78 trivial Post agglomeration. Transition count delta: 78
Iterating post reduction 0 with 78 rules applied. Total rules applied 79 place count 344 transition count 423
Reduce places removed 78 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 80 rules applied. Total rules applied 159 place count 266 transition count 421
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 161 place count 264 transition count 421
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 13 Pre rules applied. Total rules applied 161 place count 264 transition count 408
Deduced a syphon composed of 13 places in 0 ms
Ensure Unique test removed 4 places
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 30 rules applied. Total rules applied 191 place count 247 transition count 408
Performed 110 Post agglomeration using F-continuation condition.Transition count delta: 110
Deduced a syphon composed of 110 places in 0 ms
Reduce places removed 110 places and 0 transitions.
Iterating global reduction 3 with 220 rules applied. Total rules applied 411 place count 137 transition count 298
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 3 with 56 rules applied. Total rules applied 467 place count 137 transition count 242
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 475 place count 133 transition count 242
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 479 place count 133 transition count 238
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 5 with 4 rules applied. Total rules applied 483 place count 133 transition count 234
Free-agglomeration rule applied 57 times.
Iterating global reduction 5 with 57 rules applied. Total rules applied 540 place count 133 transition count 177
Reduce places removed 57 places and 0 transitions.
Iterating post reduction 5 with 57 rules applied. Total rules applied 597 place count 76 transition count 177
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 6 with 6 rules applied. Total rules applied 603 place count 76 transition count 177
Applied a total of 603 rules in 159 ms. Remains 76 /399 variables (removed 323) and now considering 177/2111 (removed 1934) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 177 rows 76 cols
[2024-05-23 23:54:45] [INFO ] Computed 21 invariants in 3 ms
[2024-05-23 23:54:45] [INFO ] After 57ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2024-05-23 23:54:45] [INFO ] [Nat]Absence check using 17 positive place invariants in 7 ms returned sat
[2024-05-23 23:54:45] [INFO ] [Nat]Absence check using 17 positive and 4 generalized place invariants in 2 ms returned sat
[2024-05-23 23:54:45] [INFO ] After 103ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2024-05-23 23:54:45] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-23 23:54:45] [INFO ] After 35ms SMT Verify possible using 4 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2024-05-23 23:54:45] [INFO ] After 75ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2024-05-23 23:54:46] [INFO ] After 294ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 543 ms.
Successfully simplified 1 atomic propositions for a total of 14 simplifications.
[2024-05-23 23:54:46] [INFO ] Flatten gal took : 136 ms
[2024-05-23 23:54:46] [INFO ] Flatten gal took : 110 ms
[2024-05-23 23:54:46] [INFO ] Input system was already deterministic with 2416 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 662/662 places, 2416/2416 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 656 transition count 2368
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 656 transition count 2368
Applied a total of 12 rules in 71 ms. Remains 656 /662 variables (removed 6) and now considering 2368/2416 (removed 48) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 73 ms. Remains : 656/662 places, 2368/2416 transitions.
[2024-05-23 23:54:46] [INFO ] Flatten gal took : 119 ms
[2024-05-23 23:54:46] [INFO ] Flatten gal took : 113 ms
[2024-05-23 23:54:47] [INFO ] Input system was already deterministic with 2368 transitions.
Starting structural reductions in LTL mode, iteration 0 : 662/662 places, 2416/2416 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 659 transition count 2392
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 659 transition count 2392
Applied a total of 6 rules in 50 ms. Remains 659 /662 variables (removed 3) and now considering 2392/2416 (removed 24) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 53 ms. Remains : 659/662 places, 2392/2416 transitions.
[2024-05-23 23:54:47] [INFO ] Flatten gal took : 98 ms
[2024-05-23 23:54:47] [INFO ] Flatten gal took : 97 ms
[2024-05-23 23:54:47] [INFO ] Input system was already deterministic with 2392 transitions.
Starting structural reductions in LTL mode, iteration 0 : 662/662 places, 2416/2416 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 656 transition count 2368
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 656 transition count 2368
Applied a total of 12 rules in 66 ms. Remains 656 /662 variables (removed 6) and now considering 2368/2416 (removed 48) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 69 ms. Remains : 656/662 places, 2368/2416 transitions.
[2024-05-23 23:54:47] [INFO ] Flatten gal took : 83 ms
[2024-05-23 23:54:47] [INFO ] Flatten gal took : 75 ms
[2024-05-23 23:54:48] [INFO ] Input system was already deterministic with 2368 transitions.
Starting structural reductions in LTL mode, iteration 0 : 662/662 places, 2416/2416 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 656 transition count 2368
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 656 transition count 2368
Applied a total of 12 rules in 39 ms. Remains 656 /662 variables (removed 6) and now considering 2368/2416 (removed 48) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 42 ms. Remains : 656/662 places, 2368/2416 transitions.
[2024-05-23 23:54:48] [INFO ] Flatten gal took : 65 ms
[2024-05-23 23:54:48] [INFO ] Flatten gal took : 74 ms
[2024-05-23 23:54:48] [INFO ] Input system was already deterministic with 2368 transitions.
Starting structural reductions in LTL mode, iteration 0 : 662/662 places, 2416/2416 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 658 transition count 2384
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 658 transition count 2384
Applied a total of 8 rules in 32 ms. Remains 658 /662 variables (removed 4) and now considering 2384/2416 (removed 32) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 34 ms. Remains : 658/662 places, 2384/2416 transitions.
[2024-05-23 23:54:48] [INFO ] Flatten gal took : 64 ms
[2024-05-23 23:54:48] [INFO ] Flatten gal took : 99 ms
[2024-05-23 23:54:48] [INFO ] Input system was already deterministic with 2384 transitions.
Starting structural reductions in LTL mode, iteration 0 : 662/662 places, 2416/2416 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 656 transition count 2368
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 656 transition count 2368
Applied a total of 12 rules in 31 ms. Remains 656 /662 variables (removed 6) and now considering 2368/2416 (removed 48) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 33 ms. Remains : 656/662 places, 2368/2416 transitions.
[2024-05-23 23:54:48] [INFO ] Flatten gal took : 61 ms
[2024-05-23 23:54:48] [INFO ] Flatten gal took : 71 ms
[2024-05-23 23:54:49] [INFO ] Input system was already deterministic with 2368 transitions.
Starting structural reductions in LTL mode, iteration 0 : 662/662 places, 2416/2416 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 656 transition count 2368
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 656 transition count 2368
Applied a total of 12 rules in 41 ms. Remains 656 /662 variables (removed 6) and now considering 2368/2416 (removed 48) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 44 ms. Remains : 656/662 places, 2368/2416 transitions.
[2024-05-23 23:54:49] [INFO ] Flatten gal took : 61 ms
[2024-05-23 23:54:49] [INFO ] Flatten gal took : 70 ms
[2024-05-23 23:54:49] [INFO ] Input system was already deterministic with 2368 transitions.
Starting structural reductions in LTL mode, iteration 0 : 662/662 places, 2416/2416 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 656 transition count 2368
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 656 transition count 2368
Applied a total of 12 rules in 31 ms. Remains 656 /662 variables (removed 6) and now considering 2368/2416 (removed 48) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31 ms. Remains : 656/662 places, 2368/2416 transitions.
[2024-05-23 23:54:49] [INFO ] Flatten gal took : 62 ms
[2024-05-23 23:54:49] [INFO ] Flatten gal took : 70 ms
[2024-05-23 23:54:49] [INFO ] Input system was already deterministic with 2368 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 662/662 places, 2416/2416 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 662 transition count 2408
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 16 place count 654 transition count 2408
Performed 200 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 200 Pre rules applied. Total rules applied 16 place count 654 transition count 2208
Deduced a syphon composed of 200 places in 3 ms
Reduce places removed 200 places and 0 transitions.
Iterating global reduction 2 with 400 rules applied. Total rules applied 416 place count 454 transition count 2208
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 422 place count 448 transition count 2160
Iterating global reduction 2 with 6 rules applied. Total rules applied 428 place count 448 transition count 2160
Performed 55 Post agglomeration using F-continuation condition.Transition count delta: 55
Deduced a syphon composed of 55 places in 3 ms
Reduce places removed 55 places and 0 transitions.
Iterating global reduction 2 with 110 rules applied. Total rules applied 538 place count 393 transition count 2105
Applied a total of 538 rules in 298 ms. Remains 393 /662 variables (removed 269) and now considering 2105/2416 (removed 311) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 298 ms. Remains : 393/662 places, 2105/2416 transitions.
[2024-05-23 23:54:50] [INFO ] Flatten gal took : 77 ms
[2024-05-23 23:54:50] [INFO ] Flatten gal took : 61 ms
[2024-05-23 23:54:50] [INFO ] Input system was already deterministic with 2105 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 662/662 places, 2416/2416 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 662 transition count 2408
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 16 place count 654 transition count 2408
Performed 197 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 197 Pre rules applied. Total rules applied 16 place count 654 transition count 2211
Deduced a syphon composed of 197 places in 2 ms
Reduce places removed 197 places and 0 transitions.
Iterating global reduction 2 with 394 rules applied. Total rules applied 410 place count 457 transition count 2211
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 415 place count 452 transition count 2171
Iterating global reduction 2 with 5 rules applied. Total rules applied 420 place count 452 transition count 2171
Performed 56 Post agglomeration using F-continuation condition.Transition count delta: 56
Deduced a syphon composed of 56 places in 2 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 2 with 112 rules applied. Total rules applied 532 place count 396 transition count 2115
Applied a total of 532 rules in 190 ms. Remains 396 /662 variables (removed 266) and now considering 2115/2416 (removed 301) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 190 ms. Remains : 396/662 places, 2115/2416 transitions.
[2024-05-23 23:54:50] [INFO ] Flatten gal took : 53 ms
[2024-05-23 23:54:50] [INFO ] Flatten gal took : 75 ms
[2024-05-23 23:54:50] [INFO ] Input system was already deterministic with 2115 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 662/662 places, 2416/2416 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 662 transition count 2408
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 16 place count 654 transition count 2408
Performed 200 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 200 Pre rules applied. Total rules applied 16 place count 654 transition count 2208
Deduced a syphon composed of 200 places in 2 ms
Reduce places removed 200 places and 0 transitions.
Iterating global reduction 2 with 400 rules applied. Total rules applied 416 place count 454 transition count 2208
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 422 place count 448 transition count 2160
Iterating global reduction 2 with 6 rules applied. Total rules applied 428 place count 448 transition count 2160
Performed 56 Post agglomeration using F-continuation condition.Transition count delta: 56
Deduced a syphon composed of 56 places in 1 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 2 with 112 rules applied. Total rules applied 540 place count 392 transition count 2104
Applied a total of 540 rules in 159 ms. Remains 392 /662 variables (removed 270) and now considering 2104/2416 (removed 312) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 159 ms. Remains : 392/662 places, 2104/2416 transitions.
[2024-05-23 23:54:50] [INFO ] Flatten gal took : 54 ms
[2024-05-23 23:54:51] [INFO ] Flatten gal took : 89 ms
[2024-05-23 23:54:51] [INFO ] Input system was already deterministic with 2104 transitions.
Starting structural reductions in LTL mode, iteration 0 : 662/662 places, 2416/2416 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 656 transition count 2368
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 656 transition count 2368
Applied a total of 12 rules in 30 ms. Remains 656 /662 variables (removed 6) and now considering 2368/2416 (removed 48) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 30 ms. Remains : 656/662 places, 2368/2416 transitions.
[2024-05-23 23:54:51] [INFO ] Flatten gal took : 72 ms
[2024-05-23 23:54:51] [INFO ] Flatten gal took : 71 ms
[2024-05-23 23:54:51] [INFO ] Input system was already deterministic with 2368 transitions.
Starting structural reductions in LTL mode, iteration 0 : 662/662 places, 2416/2416 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 656 transition count 2368
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 656 transition count 2368
Applied a total of 12 rules in 28 ms. Remains 656 /662 variables (removed 6) and now considering 2368/2416 (removed 48) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 28 ms. Remains : 656/662 places, 2368/2416 transitions.
[2024-05-23 23:54:51] [INFO ] Flatten gal took : 58 ms
[2024-05-23 23:54:51] [INFO ] Flatten gal took : 67 ms
[2024-05-23 23:54:51] [INFO ] Input system was already deterministic with 2368 transitions.
Starting structural reductions in LTL mode, iteration 0 : 662/662 places, 2416/2416 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 656 transition count 2368
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 656 transition count 2368
Applied a total of 12 rules in 27 ms. Remains 656 /662 variables (removed 6) and now considering 2368/2416 (removed 48) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 28 ms. Remains : 656/662 places, 2368/2416 transitions.
[2024-05-23 23:54:51] [INFO ] Flatten gal took : 52 ms
[2024-05-23 23:54:51] [INFO ] Flatten gal took : 61 ms
[2024-05-23 23:54:52] [INFO ] Input system was already deterministic with 2368 transitions.
[2024-05-23 23:54:52] [INFO ] Flatten gal took : 62 ms
[2024-05-23 23:54:52] [INFO ] Flatten gal took : 63 ms
[2024-05-23 23:54:52] [INFO ] Export to MCC of 14 properties in file /home/mcc/execution/CTLCardinality.sr.xml took 5 ms.
[2024-05-23 23:54:52] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 662 places, 2416 transitions and 11840 arcs took 26 ms.
Total runtime 150310 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running EisenbergMcGuire-PT-08

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/414/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 662
TRANSITIONS: 2416
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.082s, Sys 0.003s]


SAVING FILE /home/mcc/execution/414/model (.net / .def) ...
EXPORT TIME: [User 0.012s, 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: 784
MODEL NAME: /home/mcc/execution/414/model
662 places, 2416 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.

BK_TIME_CONFINEMENT_REACHED

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLCardinality -timeout 360 -rebuildPNML

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="EisenbergMcGuire-PT-08"
export BK_EXAMINATION="CTLCardinality"
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 EisenbergMcGuire-PT-08, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r157-smll-171636265200185"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/EisenbergMcGuire-PT-08.tgz
mv EisenbergMcGuire-PT-08 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;