About the Execution of GreatSPN+red for SieveSingleMsgMbox-PT-d1m36
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 10097.768 | 879232.00 | 1864600.00 | 2175.30 | TFT??TFFTF?FTTFT | 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.r377-smll-171683809600073.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 SieveSingleMsgMbox-PT-d1m36, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r377-smll-171683809600073
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 828K
-rw-r--r-- 1 mcc users 7.2K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Apr 23 07:56 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Apr 23 07:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 19:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.6K Apr 12 19:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 98K Apr 12 19:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Apr 12 19:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K Apr 12 19:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 19 07:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 19 15:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 6 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 450K May 18 16:43 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-00
FORMULA_NAME SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-01
FORMULA_NAME SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-02
FORMULA_NAME SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-03
FORMULA_NAME SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-04
FORMULA_NAME SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-05
FORMULA_NAME SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-06
FORMULA_NAME SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-07
FORMULA_NAME SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-08
FORMULA_NAME SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-09
FORMULA_NAME SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-10
FORMULA_NAME SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-11
FORMULA_NAME SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2023-12
FORMULA_NAME SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2023-13
FORMULA_NAME SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2023-14
FORMULA_NAME SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2023-15
=== Now, execution of the tool begins
BK_START 1716893751404
Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SieveSingleMsgMbox-PT-d1m36
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-28 10:55:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -timeout, 360, -rebuildPNML]
[2024-05-28 10:55:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-28 10:55:53] [INFO ] Load time of PNML (sax parser for PT used): 228 ms
[2024-05-28 10:55:53] [INFO ] Transformed 1295 places.
[2024-05-28 10:55:53] [INFO ] Transformed 749 transitions.
[2024-05-28 10:55:53] [INFO ] Parsed PT model containing 1295 places and 749 transitions and 2996 arcs in 401 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 25 ms.
Deduced a syphon composed of 1036 places in 13 ms
Reduce places removed 1036 places and 0 transitions.
Initial state reduction rules removed 1 formulas.
FORMULA SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 9 out of 259 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 259/259 places, 749/749 transitions.
Reduce places removed 16 places and 0 transitions.
Ensure Unique test removed 224 transitions
Reduce isomorphic transitions removed 224 transitions.
Iterating post reduction 0 with 240 rules applied. Total rules applied 240 place count 243 transition count 525
Discarding 60 places :
Symmetric choice reduction at 1 with 60 rule applications. Total rules 300 place count 183 transition count 234
Iterating global reduction 1 with 60 rules applied. Total rules applied 360 place count 183 transition count 234
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 366 place count 183 transition count 228
Discarding 42 places :
Symmetric choice reduction at 2 with 42 rule applications. Total rules 408 place count 141 transition count 186
Iterating global reduction 2 with 42 rules applied. Total rules applied 450 place count 141 transition count 186
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 2 with 15 rules applied. Total rules applied 465 place count 141 transition count 171
Discarding 22 places :
Symmetric choice reduction at 3 with 22 rule applications. Total rules 487 place count 119 transition count 148
Iterating global reduction 3 with 22 rules applied. Total rules applied 509 place count 119 transition count 148
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 3 with 12 rules applied. Total rules applied 521 place count 119 transition count 136
Discarding 7 places :
Symmetric choice reduction at 4 with 7 rule applications. Total rules 528 place count 112 transition count 126
Iterating global reduction 4 with 7 rules applied. Total rules applied 535 place count 112 transition count 126
Discarding 7 places :
Symmetric choice reduction at 4 with 7 rule applications. Total rules 542 place count 105 transition count 119
Iterating global reduction 4 with 7 rules applied. Total rules applied 549 place count 105 transition count 119
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 553 place count 101 transition count 114
Iterating global reduction 4 with 4 rules applied. Total rules applied 557 place count 101 transition count 114
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 558 place count 101 transition count 113
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 561 place count 98 transition count 110
Iterating global reduction 5 with 3 rules applied. Total rules applied 564 place count 98 transition count 110
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 565 place count 97 transition count 109
Iterating global reduction 5 with 1 rules applied. Total rules applied 566 place count 97 transition count 109
Applied a total of 566 rules in 145 ms. Remains 97 /259 variables (removed 162) and now considering 109/749 (removed 640) transitions.
// Phase 1: matrix 109 rows 97 cols
[2024-05-28 10:55:53] [INFO ] Computed 5 invariants in 18 ms
[2024-05-28 10:55:54] [INFO ] Implicit Places using invariants in 385 ms returned []
[2024-05-28 10:55:54] [INFO ] Invariant cache hit.
[2024-05-28 10:55:54] [INFO ] State equation strengthened by 44 read => feed constraints.
[2024-05-28 10:55:54] [INFO ] Implicit Places using invariants and state equation in 349 ms returned []
Implicit Place search using SMT with State Equation took 783 ms to find 0 implicit places.
Running 108 sub problems to find dead transitions.
[2024-05-28 10:55:54] [INFO ] Invariant cache hit.
[2024-05-28 10:55:54] [INFO ] State equation strengthened by 44 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (OVERLAPS) 1/96 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 108 unsolved
[2024-05-28 10:55:56] [INFO ] Deduced a trap composed of 29 places in 80 ms of which 17 ms to minimize.
[2024-05-28 10:55:56] [INFO ] Deduced a trap composed of 29 places in 56 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 6 (OVERLAPS) 109/205 variables, 96/103 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/205 variables, 44/147 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/205 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 108 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 1/206 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/206 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 11 (OVERLAPS) 0/206 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 148 constraints, problems are : Problem set: 0 solved, 108 unsolved in 5569 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 44/44 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 108 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (OVERLAPS) 1/96 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 6 (OVERLAPS) 109/205 variables, 96/103 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/205 variables, 44/147 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/205 variables, 98/245 constraints. Problems are: Problem set: 0 solved, 108 unsolved
[2024-05-28 10:56:02] [INFO ] Deduced a trap composed of 34 places in 34 ms of which 1 ms to minimize.
[2024-05-28 10:56:03] [INFO ] Deduced a trap composed of 21 places in 36 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/205 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/205 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 11 (OVERLAPS) 1/206 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/206 variables, 10/258 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/206 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 14 (OVERLAPS) 0/206 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 258 constraints, problems are : Problem set: 0 solved, 108 unsolved in 12356 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 44/44 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 4/4 constraints]
After SMT, in 18266ms problems are : Problem set: 0 solved, 108 unsolved
Search for dead transitions found 0 dead transitions in 18289ms
Starting structural reductions in LTL mode, iteration 1 : 97/259 places, 109/749 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 19261 ms. Remains : 97/259 places, 109/749 transitions.
Support contains 9 out of 97 places after structural reductions.
[2024-05-28 10:56:13] [INFO ] Initial state reduction rules for CTL removed 3 formulas.
[2024-05-28 10:56:13] [INFO ] Flatten gal took : 49 ms
[2024-05-28 10:56:13] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
FORMULA SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2023-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2023-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-28 10:56:13] [INFO ] Flatten gal took : 20 ms
[2024-05-28 10:56:13] [INFO ] Input system was already deterministic with 109 transitions.
Support contains 7 out of 97 places (down from 9) after GAL structural reductions.
FORMULA SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (8991 resets) in 2015 ms. (19 steps per ms) remains 5/7 properties
BEST_FIRST walk for 40002 steps (4095 resets) in 352 ms. (113 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (4130 resets) in 130 ms. (305 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (4093 resets) in 140 ms. (283 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (4038 resets) in 96 ms. (412 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (4131 resets) in 99 ms. (400 steps per ms) remains 5/5 properties
[2024-05-28 10:56:14] [INFO ] Invariant cache hit.
[2024-05-28 10:56:14] [INFO ] State equation strengthened by 44 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 48/53 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 8/61 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem AtomicPropp0 is UNSAT
Problem AtomicPropp5 is UNSAT
At refinement iteration 5 (OVERLAPS) 18/79 variables, 3/5 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/79 variables, 0/5 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 95/174 variables, 79/84 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/174 variables, 30/114 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/174 variables, 0/114 constraints. Problems are: Problem set: 2 solved, 3 unsolved
Problem AtomicPropp6 is UNSAT
At refinement iteration 10 (OVERLAPS) 31/205 variables, 17/131 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/205 variables, 14/145 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/205 variables, 0/145 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 1/206 variables, 1/146 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/206 variables, 0/146 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/206 variables, 0/146 constraints. Problems are: Problem set: 3 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 146 constraints, problems are : Problem set: 3 solved, 2 unsolved in 233 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 44/44 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 48/50 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/1 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/58 variables, 1/2 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 20/78 variables, 3/5 constraints. Problems are: Problem set: 3 solved, 2 unsolved
[2024-05-28 10:56:14] [INFO ] Deduced a trap composed of 15 places in 60 ms of which 1 ms to minimize.
[2024-05-28 10:56:14] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 2 ms to minimize.
[2024-05-28 10:56:14] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 3/8 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 0/8 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 94/172 variables, 78/86 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/172 variables, 29/115 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/172 variables, 1/116 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/172 variables, 0/116 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 33/205 variables, 18/134 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/205 variables, 15/149 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/205 variables, 1/150 constraints. Problems are: Problem set: 3 solved, 2 unsolved
[2024-05-28 10:56:14] [INFO ] Deduced a trap composed of 34 places in 38 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/205 variables, 1/151 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/205 variables, 0/151 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 1/206 variables, 1/152 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/206 variables, 0/152 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 0/206 variables, 0/152 constraints. Problems are: Problem set: 3 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 152 constraints, problems are : Problem set: 3 solved, 2 unsolved in 494 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 44/44 constraints, PredecessorRefiner: 2/5 constraints, Known Traps: 4/4 constraints]
After SMT, in 744ms problems are : Problem set: 3 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1843 ms.
Support contains 2 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 109/109 transitions.
Graph (complete) has 271 edges and 97 vertex of which 95 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 95 transition count 106
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 8 place count 91 transition count 102
Iterating global reduction 1 with 4 rules applied. Total rules applied 12 place count 91 transition count 102
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 14 place count 91 transition count 100
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 16 place count 89 transition count 98
Iterating global reduction 2 with 2 rules applied. Total rules applied 18 place count 89 transition count 98
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 19 place count 89 transition count 97
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 20 place count 88 transition count 96
Iterating global reduction 3 with 1 rules applied. Total rules applied 21 place count 88 transition count 96
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 22 place count 87 transition count 95
Iterating global reduction 3 with 1 rules applied. Total rules applied 23 place count 87 transition count 95
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 24 place count 86 transition count 93
Iterating global reduction 3 with 1 rules applied. Total rules applied 25 place count 86 transition count 93
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 26 place count 85 transition count 92
Iterating global reduction 3 with 1 rules applied. Total rules applied 27 place count 85 transition count 92
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 28 place count 84 transition count 91
Iterating global reduction 3 with 1 rules applied. Total rules applied 29 place count 84 transition count 91
Applied a total of 29 rules in 70 ms. Remains 84 /97 variables (removed 13) and now considering 91/109 (removed 18) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72 ms. Remains : 84/97 places, 91/109 transitions.
RANDOM walk for 40000 steps (8970 resets) in 157 ms. (253 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (4114 resets) in 75 ms. (526 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (4162 resets) in 144 ms. (275 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 2435070 steps, run timeout after 3001 ms. (steps per millisecond=811 ) properties seen :1 out of 2
Probabilistic random walk after 2435070 steps, saw 1007788 distinct states, run finished after 3006 ms. (steps per millisecond=810 ) properties seen :1
// Phase 1: matrix 91 rows 84 cols
[2024-05-28 10:56:20] [INFO ] Computed 4 invariants in 2 ms
[2024-05-28 10:56:20] [INFO ] State equation strengthened by 36 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 40/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/55 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/55 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 65/120 variables, 55/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 30/150 variables, 16/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/150 variables, 24/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/150 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 25/175 variables, 13/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/175 variables, 12/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/175 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/175 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 175/175 variables, and 124 constraints, problems are : Problem set: 0 solved, 1 unsolved in 144 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 84/84 constraints, ReadFeed: 36/36 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 40/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/55 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/55 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 65/120 variables, 55/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-28 10:56:20] [INFO ] Deduced a trap composed of 24 places in 30 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/150 variables, 16/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/150 variables, 24/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/150 variables, 1/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/150 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 25/175 variables, 13/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/175 variables, 12/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/175 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/175 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 175/175 variables, and 126 constraints, problems are : Problem set: 0 solved, 1 unsolved in 161 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 84/84 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 314ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 224 ms.
Support contains 1 out of 84 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 84/84 places, 91/91 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 83 transition count 90
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 83 transition count 90
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 82 transition count 89
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 82 transition count 89
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 81 transition count 87
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 81 transition count 87
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 7 place count 81 transition count 86
Applied a total of 7 rules in 17 ms. Remains 81 /84 variables (removed 3) and now considering 86/91 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 81/84 places, 86/91 transitions.
RANDOM walk for 40000 steps (8904 resets) in 55 ms. (714 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (4169 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2607037 steps, run timeout after 3001 ms. (steps per millisecond=868 ) properties seen :0 out of 1
Probabilistic random walk after 2607037 steps, saw 1075949 distinct states, run finished after 3001 ms. (steps per millisecond=868 ) properties seen :0
// Phase 1: matrix 86 rows 81 cols
[2024-05-28 10:56:23] [INFO ] Computed 4 invariants in 3 ms
[2024-05-28 10:56:23] [INFO ] State equation strengthened by 34 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 39/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/52 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/54 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 62/116 variables, 54/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/116 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 28/144 variables, 15/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/144 variables, 23/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/144 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 23/167 variables, 12/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/167 variables, 11/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/167 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/167 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 167/167 variables, and 119 constraints, problems are : Problem set: 0 solved, 1 unsolved in 129 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 34/34 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 39/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/52 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/54 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 62/116 variables, 54/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/116 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 28/144 variables, 15/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/144 variables, 23/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/144 variables, 1/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/144 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 23/167 variables, 12/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/167 variables, 11/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/167 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/167 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 167/167 variables, and 120 constraints, problems are : Problem set: 0 solved, 1 unsolved in 119 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 263ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 241 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 86/86 transitions.
Applied a total of 0 rules in 9 ms. Remains 81 /81 variables (removed 0) and now considering 86/86 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 81/81 places, 86/86 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 86/86 transitions.
Applied a total of 0 rules in 6 ms. Remains 81 /81 variables (removed 0) and now considering 86/86 (removed 0) transitions.
[2024-05-28 10:56:24] [INFO ] Invariant cache hit.
[2024-05-28 10:56:24] [INFO ] Implicit Places using invariants in 99 ms returned []
[2024-05-28 10:56:24] [INFO ] Invariant cache hit.
[2024-05-28 10:56:24] [INFO ] State equation strengthened by 34 read => feed constraints.
[2024-05-28 10:56:24] [INFO ] Implicit Places using invariants and state equation in 189 ms returned []
Implicit Place search using SMT with State Equation took 290 ms to find 0 implicit places.
[2024-05-28 10:56:24] [INFO ] Redundant transitions in 2 ms returned []
Running 85 sub problems to find dead transitions.
[2024-05-28 10:56:24] [INFO ] Invariant cache hit.
[2024-05-28 10:56:24] [INFO ] State equation strengthened by 34 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 3 (OVERLAPS) 1/81 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 5 (OVERLAPS) 86/167 variables, 81/85 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 34/119 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/167 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 8 (OVERLAPS) 0/167 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 85 unsolved
No progress, stopping.
After SMT solving in domain Real declared 167/167 variables, and 119 constraints, problems are : Problem set: 0 solved, 85 unsolved in 2134 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 85/85 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 85 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 3 (OVERLAPS) 1/81 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 5 (OVERLAPS) 86/167 variables, 81/85 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 34/119 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/167 variables, 85/204 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/167 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 9 (OVERLAPS) 0/167 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 85 unsolved
No progress, stopping.
After SMT solving in domain Int declared 167/167 variables, and 204 constraints, problems are : Problem set: 0 solved, 85 unsolved in 4797 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 85/85 constraints, Known Traps: 0/0 constraints]
After SMT, in 7020ms problems are : Problem set: 0 solved, 85 unsolved
Search for dead transitions found 0 dead transitions in 7023ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7330 ms. Remains : 81/81 places, 86/86 transitions.
Attempting over-approximation, by ignoring read arcs.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 81 transition count 79
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 12 place count 76 transition count 79
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 13 Pre rules applied. Total rules applied 12 place count 76 transition count 66
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 26 rules applied. Total rules applied 38 place count 63 transition count 66
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 50 place count 57 transition count 60
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 51 place count 57 transition count 60
Applied a total of 51 rules in 19 ms. Remains 57 /81 variables (removed 24) and now considering 60/86 (removed 26) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 60 rows 57 cols
[2024-05-28 10:56:31] [INFO ] Computed 6 invariants in 3 ms
[2024-05-28 10:56:31] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2024-05-28 10:56:31] [INFO ] [Real]Absence check using 4 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-28 10:56:31] [INFO ] After 81ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-28 10:56:31] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-05-28 10:56:31] [INFO ] [Nat]Absence check using 4 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-28 10:56:31] [INFO ] After 30ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-28 10:56:31] [INFO ] Deduced a trap composed of 11 places in 48 ms of which 1 ms to minimize.
[2024-05-28 10:56:31] [INFO ] Deduced a trap composed of 33 places in 35 ms of which 1 ms to minimize.
[2024-05-28 10:56:31] [INFO ] Deduced a trap composed of 30 places in 38 ms of which 2 ms to minimize.
[2024-05-28 10:56:31] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 1 ms to minimize.
[2024-05-28 10:56:32] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 1 ms to minimize.
[2024-05-28 10:56:32] [INFO ] Deduced a trap composed of 12 places in 45 ms of which 1 ms to minimize.
[2024-05-28 10:56:32] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 1 ms to minimize.
[2024-05-28 10:56:32] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 336 ms
TRAPS : Iteration 1
[2024-05-28 10:56:32] [INFO ] After 384ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-28 10:56:32] [INFO ] After 422ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 540 ms.
Successfully simplified 3 atomic propositions for a total of 6 simplifications.
FORMULA SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2023-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2023-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-28 10:56:32] [INFO ] Flatten gal took : 11 ms
[2024-05-28 10:56:32] [INFO ] Flatten gal took : 12 ms
[2024-05-28 10:56:32] [INFO ] Input system was already deterministic with 109 transitions.
Computed a total of 21 stabilizing places and 26 stable transitions
Graph (complete) has 305 edges and 97 vertex of which 95 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.3 ms
Starting structural reductions in LTL mode, iteration 0 : 97/97 places, 109/109 transitions.
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 96 transition count 108
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 8 place count 90 transition count 102
Iterating global reduction 1 with 6 rules applied. Total rules applied 14 place count 90 transition count 102
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 16 place count 90 transition count 100
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 19 place count 87 transition count 97
Iterating global reduction 2 with 3 rules applied. Total rules applied 22 place count 87 transition count 97
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 24 place count 87 transition count 95
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 27 place count 84 transition count 91
Iterating global reduction 3 with 3 rules applied. Total rules applied 30 place count 84 transition count 91
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 31 place count 84 transition count 90
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 33 place count 82 transition count 88
Iterating global reduction 4 with 2 rules applied. Total rules applied 35 place count 82 transition count 88
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 37 place count 80 transition count 85
Iterating global reduction 4 with 2 rules applied. Total rules applied 39 place count 80 transition count 85
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 40 place count 80 transition count 84
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 42 place count 78 transition count 82
Iterating global reduction 5 with 2 rules applied. Total rules applied 44 place count 78 transition count 82
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 45 place count 77 transition count 81
Iterating global reduction 5 with 1 rules applied. Total rules applied 46 place count 77 transition count 81
Applied a total of 46 rules in 28 ms. Remains 77 /97 variables (removed 20) and now considering 81/109 (removed 28) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 29 ms. Remains : 77/97 places, 81/109 transitions.
[2024-05-28 10:56:32] [INFO ] Flatten gal took : 9 ms
[2024-05-28 10:56:32] [INFO ] Flatten gal took : 7 ms
[2024-05-28 10:56:32] [INFO ] Input system was already deterministic with 81 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 97/97 places, 109/109 transitions.
Graph (complete) has 305 edges and 97 vertex of which 96 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 96 transition count 108
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 7 place count 91 transition count 103
Iterating global reduction 1 with 5 rules applied. Total rules applied 12 place count 91 transition count 103
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 14 place count 91 transition count 101
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 17 place count 88 transition count 98
Iterating global reduction 2 with 3 rules applied. Total rules applied 20 place count 88 transition count 98
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 22 place count 88 transition count 96
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 25 place count 85 transition count 92
Iterating global reduction 3 with 3 rules applied. Total rules applied 28 place count 85 transition count 92
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 29 place count 85 transition count 91
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 31 place count 83 transition count 89
Iterating global reduction 4 with 2 rules applied. Total rules applied 33 place count 83 transition count 89
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 35 place count 81 transition count 86
Iterating global reduction 4 with 2 rules applied. Total rules applied 37 place count 81 transition count 86
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 38 place count 81 transition count 85
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 40 place count 79 transition count 83
Iterating global reduction 5 with 2 rules applied. Total rules applied 42 place count 79 transition count 83
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 43 place count 78 transition count 82
Iterating global reduction 5 with 1 rules applied. Total rules applied 44 place count 78 transition count 82
Applied a total of 44 rules in 27 ms. Remains 78 /97 variables (removed 19) and now considering 82/109 (removed 27) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 27 ms. Remains : 78/97 places, 82/109 transitions.
[2024-05-28 10:56:32] [INFO ] Flatten gal took : 7 ms
[2024-05-28 10:56:32] [INFO ] Flatten gal took : 8 ms
[2024-05-28 10:56:32] [INFO ] Input system was already deterministic with 82 transitions.
Starting structural reductions in LTL mode, iteration 0 : 97/97 places, 109/109 transitions.
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 96 transition count 108
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 7 place count 91 transition count 103
Iterating global reduction 1 with 5 rules applied. Total rules applied 12 place count 91 transition count 103
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 14 place count 91 transition count 101
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 16 place count 89 transition count 99
Iterating global reduction 2 with 2 rules applied. Total rules applied 18 place count 89 transition count 99
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 20 place count 89 transition count 97
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 22 place count 87 transition count 95
Iterating global reduction 3 with 2 rules applied. Total rules applied 24 place count 87 transition count 95
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 26 place count 85 transition count 93
Iterating global reduction 3 with 2 rules applied. Total rules applied 28 place count 85 transition count 93
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 30 place count 83 transition count 90
Iterating global reduction 3 with 2 rules applied. Total rules applied 32 place count 83 transition count 90
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 33 place count 83 transition count 89
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 35 place count 81 transition count 87
Iterating global reduction 4 with 2 rules applied. Total rules applied 37 place count 81 transition count 87
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 38 place count 80 transition count 86
Iterating global reduction 4 with 1 rules applied. Total rules applied 39 place count 80 transition count 86
Applied a total of 39 rules in 10 ms. Remains 80 /97 variables (removed 17) and now considering 86/109 (removed 23) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10 ms. Remains : 80/97 places, 86/109 transitions.
[2024-05-28 10:56:32] [INFO ] Flatten gal took : 7 ms
[2024-05-28 10:56:32] [INFO ] Flatten gal took : 8 ms
[2024-05-28 10:56:32] [INFO ] Input system was already deterministic with 86 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 97/97 places, 109/109 transitions.
Graph (complete) has 305 edges and 97 vertex of which 96 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 96 transition count 108
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 7 place count 91 transition count 103
Iterating global reduction 1 with 5 rules applied. Total rules applied 12 place count 91 transition count 103
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 14 place count 91 transition count 101
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 17 place count 88 transition count 98
Iterating global reduction 2 with 3 rules applied. Total rules applied 20 place count 88 transition count 98
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 21 place count 88 transition count 97
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 23 place count 86 transition count 94
Iterating global reduction 3 with 2 rules applied. Total rules applied 25 place count 86 transition count 94
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 26 place count 86 transition count 93
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 27 place count 85 transition count 92
Iterating global reduction 4 with 1 rules applied. Total rules applied 28 place count 85 transition count 92
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 29 place count 84 transition count 90
Iterating global reduction 4 with 1 rules applied. Total rules applied 30 place count 84 transition count 90
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 31 place count 83 transition count 89
Iterating global reduction 4 with 1 rules applied. Total rules applied 32 place count 83 transition count 89
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 33 place count 82 transition count 88
Iterating global reduction 4 with 1 rules applied. Total rules applied 34 place count 82 transition count 88
Applied a total of 34 rules in 25 ms. Remains 82 /97 variables (removed 15) and now considering 88/109 (removed 21) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 25 ms. Remains : 82/97 places, 88/109 transitions.
[2024-05-28 10:56:32] [INFO ] Flatten gal took : 7 ms
[2024-05-28 10:56:32] [INFO ] Flatten gal took : 7 ms
[2024-05-28 10:56:32] [INFO ] Input system was already deterministic with 88 transitions.
RANDOM walk for 40000 steps (8955 resets) in 171 ms. (232 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (4159 resets) in 109 ms. (363 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2680648 steps, run timeout after 3001 ms. (steps per millisecond=893 ) properties seen :0 out of 1
Probabilistic random walk after 2680648 steps, saw 1104201 distinct states, run finished after 3001 ms. (steps per millisecond=893 ) properties seen :0
// Phase 1: matrix 88 rows 82 cols
[2024-05-28 10:56:35] [INFO ] Computed 5 invariants in 3 ms
[2024-05-28 10:56:35] [INFO ] State equation strengthened by 36 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 39/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/48 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 17/65 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-28 10:56:35] [INFO ] Deduced a trap composed of 13 places in 45 ms of which 1 ms to minimize.
[2024-05-28 10:56:35] [INFO ] Deduced a trap composed of 13 places in 43 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/65 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 75/140 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/140 variables, 23/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/140 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 30/170 variables, 17/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/170 variables, 13/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/170 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/170 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 170/170 variables, and 125 constraints, problems are : Problem set: 0 solved, 1 unsolved in 219 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 39/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/48 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 17/65 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/65 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 75/140 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/140 variables, 23/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/140 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/140 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 30/170 variables, 17/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/170 variables, 13/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/170 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/170 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 170/170 variables, and 126 constraints, problems are : Problem set: 0 solved, 1 unsolved in 116 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 350ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 210 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 88/88 transitions.
Graph (complete) has 226 edges and 82 vertex of which 81 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 81 transition count 86
Applied a total of 3 rules in 10 ms. Remains 81 /82 variables (removed 1) and now considering 86/88 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 81/82 places, 86/88 transitions.
RANDOM walk for 4000000 steps (896703 resets) in 5666 ms. (705 steps per ms) remains 1/1 properties
BEST_FIRST walk for 4000002 steps (414910 resets) in 2395 ms. (1669 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 5045542 steps, run timeout after 6001 ms. (steps per millisecond=840 ) properties seen :0 out of 1
Probabilistic random walk after 5045542 steps, saw 2072182 distinct states, run finished after 6001 ms. (steps per millisecond=840 ) properties seen :0
// Phase 1: matrix 86 rows 81 cols
[2024-05-28 10:56:44] [INFO ] Computed 4 invariants in 1 ms
[2024-05-28 10:56:44] [INFO ] State equation strengthened by 34 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 39/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/52 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/54 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 62/116 variables, 54/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/116 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 28/144 variables, 15/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/144 variables, 23/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/144 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 23/167 variables, 12/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/167 variables, 11/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/167 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/167 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 167/167 variables, and 119 constraints, problems are : Problem set: 0 solved, 1 unsolved in 124 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 34/34 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 39/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/52 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/54 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 62/116 variables, 54/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/116 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 28/144 variables, 15/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/144 variables, 23/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/144 variables, 1/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/144 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 23/167 variables, 12/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/167 variables, 11/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/167 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/167 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 167/167 variables, and 120 constraints, problems are : Problem set: 0 solved, 1 unsolved in 125 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 259ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 245 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 86/86 transitions.
Applied a total of 0 rules in 4 ms. Remains 81 /81 variables (removed 0) and now considering 86/86 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 81/81 places, 86/86 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 86/86 transitions.
Applied a total of 0 rules in 4 ms. Remains 81 /81 variables (removed 0) and now considering 86/86 (removed 0) transitions.
[2024-05-28 10:56:44] [INFO ] Invariant cache hit.
[2024-05-28 10:56:44] [INFO ] Implicit Places using invariants in 89 ms returned []
[2024-05-28 10:56:44] [INFO ] Invariant cache hit.
[2024-05-28 10:56:44] [INFO ] State equation strengthened by 34 read => feed constraints.
[2024-05-28 10:56:45] [INFO ] Implicit Places using invariants and state equation in 196 ms returned []
Implicit Place search using SMT with State Equation took 302 ms to find 0 implicit places.
[2024-05-28 10:56:45] [INFO ] Redundant transitions in 2 ms returned []
Running 85 sub problems to find dead transitions.
[2024-05-28 10:56:45] [INFO ] Invariant cache hit.
[2024-05-28 10:56:45] [INFO ] State equation strengthened by 34 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 3 (OVERLAPS) 1/81 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 5 (OVERLAPS) 86/167 variables, 81/85 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 34/119 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/167 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 8 (OVERLAPS) 0/167 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 85 unsolved
No progress, stopping.
After SMT solving in domain Real declared 167/167 variables, and 119 constraints, problems are : Problem set: 0 solved, 85 unsolved in 2263 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 85/85 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 85 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 3 (OVERLAPS) 1/81 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 5 (OVERLAPS) 86/167 variables, 81/85 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 34/119 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/167 variables, 85/204 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/167 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 9 (OVERLAPS) 0/167 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 85 unsolved
No progress, stopping.
After SMT solving in domain Int declared 167/167 variables, and 204 constraints, problems are : Problem set: 0 solved, 85 unsolved in 4824 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 85/85 constraints, Known Traps: 0/0 constraints]
After SMT, in 7229ms problems are : Problem set: 0 solved, 85 unsolved
Search for dead transitions found 0 dead transitions in 7231ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7551 ms. Remains : 81/81 places, 86/86 transitions.
RANDOM walk for 400000 steps (89705 resets) in 2027 ms. (197 steps per ms) remains 1/1 properties
Running SMT prover for 1 properties.
[2024-05-28 10:56:52] [INFO ] Invariant cache hit.
[2024-05-28 10:56:52] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-28 10:56:52] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-28 10:56:52] [INFO ] After 45ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-28 10:56:52] [INFO ] State equation strengthened by 34 read => feed constraints.
[2024-05-28 10:56:52] [INFO ] After 10ms SMT Verify possible using 34 Read/Feed constraints in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-28 10:56:52] [INFO ] After 25ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-28 10:56:52] [INFO ] After 105ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-28 10:56:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-28 10:56:52] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-28 10:56:53] [INFO ] After 50ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-28 10:56:53] [INFO ] After 10ms SMT Verify possible using 34 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-28 10:56:53] [INFO ] After 20ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-28 10:56:53] [INFO ] After 110ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
RANDOM walk for 4000000 steps (897114 resets) in 4667 ms. (856 steps per ms) remains 1/1 properties
BEST_FIRST walk for 4000001 steps (414138 resets) in 2574 ms. (1553 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2761660 steps, run timeout after 3001 ms. (steps per millisecond=920 ) properties seen :0 out of 1
Probabilistic random walk after 2761660 steps, saw 1140933 distinct states, run finished after 3004 ms. (steps per millisecond=919 ) properties seen :0
[2024-05-28 10:56:57] [INFO ] Invariant cache hit.
[2024-05-28 10:56:57] [INFO ] State equation strengthened by 34 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 39/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/52 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/54 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 62/116 variables, 54/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/116 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 28/144 variables, 15/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/144 variables, 23/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/144 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 23/167 variables, 12/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/167 variables, 11/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/167 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/167 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 167/167 variables, and 119 constraints, problems are : Problem set: 0 solved, 1 unsolved in 134 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 34/34 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 39/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/52 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/54 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 62/116 variables, 54/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-28 10:56:58] [INFO ] Deduced a trap composed of 24 places in 32 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/116 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/116 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 28/144 variables, 15/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/144 variables, 23/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/144 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/144 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 23/167 variables, 12/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/167 variables, 11/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/167 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/167 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 167/167 variables, and 121 constraints, problems are : Problem set: 0 solved, 1 unsolved in 171 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 312ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 210 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 86/86 transitions.
Applied a total of 0 rules in 4 ms. Remains 81 /81 variables (removed 0) and now considering 86/86 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 81/81 places, 86/86 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 86/86 transitions.
Applied a total of 0 rules in 4 ms. Remains 81 /81 variables (removed 0) and now considering 86/86 (removed 0) transitions.
[2024-05-28 10:56:58] [INFO ] Invariant cache hit.
[2024-05-28 10:56:58] [INFO ] Implicit Places using invariants in 93 ms returned []
[2024-05-28 10:56:58] [INFO ] Invariant cache hit.
[2024-05-28 10:56:58] [INFO ] State equation strengthened by 34 read => feed constraints.
[2024-05-28 10:56:58] [INFO ] Implicit Places using invariants and state equation in 211 ms returned []
Implicit Place search using SMT with State Equation took 306 ms to find 0 implicit places.
[2024-05-28 10:56:58] [INFO ] Redundant transitions in 2 ms returned []
Running 85 sub problems to find dead transitions.
[2024-05-28 10:56:58] [INFO ] Invariant cache hit.
[2024-05-28 10:56:58] [INFO ] State equation strengthened by 34 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 3 (OVERLAPS) 1/81 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 5 (OVERLAPS) 86/167 variables, 81/85 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 34/119 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/167 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 8 (OVERLAPS) 0/167 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 85 unsolved
No progress, stopping.
After SMT solving in domain Real declared 167/167 variables, and 119 constraints, problems are : Problem set: 0 solved, 85 unsolved in 2239 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 85/85 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 85 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 3 (OVERLAPS) 1/81 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 5 (OVERLAPS) 86/167 variables, 81/85 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 34/119 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/167 variables, 85/204 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/167 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 9 (OVERLAPS) 0/167 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 85 unsolved
No progress, stopping.
After SMT solving in domain Int declared 167/167 variables, and 204 constraints, problems are : Problem set: 0 solved, 85 unsolved in 4701 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 85/85 constraints, Known Traps: 0/0 constraints]
After SMT, in 7020ms problems are : Problem set: 0 solved, 85 unsolved
Search for dead transitions found 0 dead transitions in 7021ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7339 ms. Remains : 81/81 places, 86/86 transitions.
RANDOM walk for 400000 steps (89650 resets) in 522 ms. (764 steps per ms) remains 1/1 properties
Running SMT prover for 1 properties.
[2024-05-28 10:57:05] [INFO ] Invariant cache hit.
[2024-05-28 10:57:05] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-28 10:57:05] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-28 10:57:05] [INFO ] After 47ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-28 10:57:05] [INFO ] State equation strengthened by 34 read => feed constraints.
[2024-05-28 10:57:05] [INFO ] After 10ms SMT Verify possible using 34 Read/Feed constraints in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-28 10:57:05] [INFO ] After 23ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-28 10:57:05] [INFO ] After 104ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-28 10:57:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-28 10:57:06] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-28 10:57:06] [INFO ] After 46ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-28 10:57:06] [INFO ] After 11ms SMT Verify possible using 34 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-28 10:57:06] [INFO ] After 21ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-28 10:57:06] [INFO ] After 106ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
RANDOM walk for 40000 steps (9004 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (4113 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2372326 steps, run timeout after 3001 ms. (steps per millisecond=790 ) properties seen :0 out of 1
Probabilistic random walk after 2372326 steps, saw 982340 distinct states, run finished after 3001 ms. (steps per millisecond=790 ) properties seen :0
[2024-05-28 10:57:09] [INFO ] Invariant cache hit.
[2024-05-28 10:57:09] [INFO ] State equation strengthened by 34 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 39/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/52 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/54 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 62/116 variables, 54/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/116 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 28/144 variables, 15/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/144 variables, 23/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/144 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 23/167 variables, 12/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/167 variables, 11/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/167 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/167 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 167/167 variables, and 119 constraints, problems are : Problem set: 0 solved, 1 unsolved in 121 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 34/34 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 39/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/52 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/54 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 62/116 variables, 54/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-28 10:57:09] [INFO ] Deduced a trap composed of 24 places in 26 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/116 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/116 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 28/144 variables, 15/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/144 variables, 23/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/144 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/144 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 23/167 variables, 12/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/167 variables, 11/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/167 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/167 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 167/167 variables, and 121 constraints, problems are : Problem set: 0 solved, 1 unsolved in 150 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 277ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 201 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 86/86 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 86/86 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 81/81 places, 86/86 transitions.
RANDOM walk for 40000 steps (8860 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (4165 resets) in 29 ms. (1333 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2565895 steps, run timeout after 3001 ms. (steps per millisecond=855 ) properties seen :0 out of 1
Probabilistic random walk after 2565895 steps, saw 1059321 distinct states, run finished after 3001 ms. (steps per millisecond=855 ) properties seen :0
[2024-05-28 10:57:12] [INFO ] Invariant cache hit.
[2024-05-28 10:57:12] [INFO ] State equation strengthened by 34 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 39/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/52 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/54 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 62/116 variables, 54/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/116 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 28/144 variables, 15/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/144 variables, 23/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/144 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 23/167 variables, 12/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/167 variables, 11/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/167 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/167 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 167/167 variables, and 119 constraints, problems are : Problem set: 0 solved, 1 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 34/34 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 39/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/52 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/54 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 62/116 variables, 54/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-28 10:57:12] [INFO ] Deduced a trap composed of 24 places in 27 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/116 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/116 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 28/144 variables, 15/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/144 variables, 23/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/144 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/144 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 23/167 variables, 12/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/167 variables, 11/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/167 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/167 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 167/167 variables, and 121 constraints, problems are : Problem set: 0 solved, 1 unsolved in 148 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 277ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 203 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 86/86 transitions.
Applied a total of 0 rules in 6 ms. Remains 81 /81 variables (removed 0) and now considering 86/86 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 81/81 places, 86/86 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 86/86 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 86/86 (removed 0) transitions.
[2024-05-28 10:57:13] [INFO ] Invariant cache hit.
[2024-05-28 10:57:13] [INFO ] Implicit Places using invariants in 89 ms returned []
[2024-05-28 10:57:13] [INFO ] Invariant cache hit.
[2024-05-28 10:57:13] [INFO ] State equation strengthened by 34 read => feed constraints.
[2024-05-28 10:57:13] [INFO ] Implicit Places using invariants and state equation in 202 ms returned []
Implicit Place search using SMT with State Equation took 293 ms to find 0 implicit places.
[2024-05-28 10:57:13] [INFO ] Redundant transitions in 2 ms returned []
Running 85 sub problems to find dead transitions.
[2024-05-28 10:57:13] [INFO ] Invariant cache hit.
[2024-05-28 10:57:13] [INFO ] State equation strengthened by 34 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 3 (OVERLAPS) 1/81 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 5 (OVERLAPS) 86/167 variables, 81/85 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 34/119 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/167 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 8 (OVERLAPS) 0/167 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 85 unsolved
No progress, stopping.
After SMT solving in domain Real declared 167/167 variables, and 119 constraints, problems are : Problem set: 0 solved, 85 unsolved in 2150 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 85/85 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 85 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 3 (OVERLAPS) 1/81 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 5 (OVERLAPS) 86/167 variables, 81/85 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 34/119 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/167 variables, 85/204 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/167 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 9 (OVERLAPS) 0/167 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 85 unsolved
No progress, stopping.
After SMT solving in domain Int declared 167/167 variables, and 204 constraints, problems are : Problem set: 0 solved, 85 unsolved in 4670 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 85/85 constraints, Known Traps: 0/0 constraints]
After SMT, in 6884ms problems are : Problem set: 0 solved, 85 unsolved
Search for dead transitions found 0 dead transitions in 6885ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7189 ms. Remains : 81/81 places, 86/86 transitions.
Attempting over-approximation, by ignoring read arcs.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 81 transition count 79
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 12 place count 76 transition count 79
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 13 Pre rules applied. Total rules applied 12 place count 76 transition count 66
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 26 rules applied. Total rules applied 38 place count 63 transition count 66
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 50 place count 57 transition count 60
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 51 place count 57 transition count 60
Applied a total of 51 rules in 13 ms. Remains 57 /81 variables (removed 24) and now considering 60/86 (removed 26) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 60 rows 57 cols
[2024-05-28 10:57:20] [INFO ] Computed 6 invariants in 2 ms
[2024-05-28 10:57:20] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-05-28 10:57:20] [INFO ] [Real]Absence check using 4 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-28 10:57:20] [INFO ] After 69ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-28 10:57:20] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-05-28 10:57:20] [INFO ] [Nat]Absence check using 4 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-28 10:57:20] [INFO ] After 35ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-28 10:57:20] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 2 ms to minimize.
[2024-05-28 10:57:20] [INFO ] Deduced a trap composed of 33 places in 32 ms of which 1 ms to minimize.
[2024-05-28 10:57:20] [INFO ] Deduced a trap composed of 30 places in 31 ms of which 1 ms to minimize.
[2024-05-28 10:57:20] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 1 ms to minimize.
[2024-05-28 10:57:20] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 1 ms to minimize.
[2024-05-28 10:57:20] [INFO ] Deduced a trap composed of 12 places in 42 ms of which 2 ms to minimize.
[2024-05-28 10:57:20] [INFO ] Deduced a trap composed of 11 places in 43 ms of which 1 ms to minimize.
[2024-05-28 10:57:20] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 300 ms
TRAPS : Iteration 1
[2024-05-28 10:57:20] [INFO ] After 350ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-28 10:57:20] [INFO ] After 392ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 481 ms.
Attempting over-approximation, by ignoring read arcs.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 81 transition count 79
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 12 place count 76 transition count 79
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 13 Pre rules applied. Total rules applied 12 place count 76 transition count 66
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 26 rules applied. Total rules applied 38 place count 63 transition count 66
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 50 place count 57 transition count 60
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 51 place count 57 transition count 60
Applied a total of 51 rules in 14 ms. Remains 57 /81 variables (removed 24) and now considering 60/86 (removed 26) transitions.
Running SMT prover for 1 properties.
[2024-05-28 10:57:20] [INFO ] Invariant cache hit.
[2024-05-28 10:57:20] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-05-28 10:57:20] [INFO ] [Real]Absence check using 4 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-28 10:57:20] [INFO ] After 29ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-28 10:57:20] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 1 ms to minimize.
TRAPS : Iteration 1
[2024-05-28 10:57:20] [INFO ] After 81ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-28 10:57:20] [INFO ] After 115ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-28 10:57:20] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-05-28 10:57:20] [INFO ] [Nat]Absence check using 4 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-28 10:57:20] [INFO ] After 31ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-28 10:57:21] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 1 ms to minimize.
[2024-05-28 10:57:21] [INFO ] Deduced a trap composed of 33 places in 31 ms of which 1 ms to minimize.
[2024-05-28 10:57:21] [INFO ] Deduced a trap composed of 30 places in 29 ms of which 1 ms to minimize.
[2024-05-28 10:57:21] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 1 ms to minimize.
[2024-05-28 10:57:21] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 165 ms
TRAPS : Iteration 1
[2024-05-28 10:57:21] [INFO ] After 207ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-28 10:57:21] [INFO ] After 246ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 379 ms.
[2024-05-28 10:57:21] [INFO ] Flatten gal took : 9 ms
[2024-05-28 10:57:21] [INFO ] Flatten gal took : 8 ms
[2024-05-28 10:57:21] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/CTLCardinality.sr.xml took 2 ms.
[2024-05-28 10:57:21] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 97 places, 109 transitions and 433 arcs took 4 ms.
Total runtime 88068 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------
Running SieveSingleMsgMbox-PT-d1m36
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: 97
TRANSITIONS: 109
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.004s, Sys 0.000s]
SAVING FILE /home/mcc/execution/414/model (.net / .def) ...
EXPORT TIME: [User 0.000s, 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: 814
MODEL NAME: /home/mcc/execution/414/model
97 places, 109 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 SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-00 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-03 CANNOT_COMPUTE
FORMULA SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-04 CANNOT_COMPUTE
FORMULA SieveSingleMsgMbox-PT-d1m36-CTLCardinality-2024-10 CANNOT_COMPUTE
Ok.
EXITCODE: 0
----------------------------------------------------------------------
BK_STOP 1716894630636
--------------------
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
MEDDLY ERROR: Insufficient memory
MEDDLY ERROR: Insufficient memory
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="SieveSingleMsgMbox-PT-d1m36"
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 SieveSingleMsgMbox-PT-d1m36, 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 r377-smll-171683809600073"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d1m36.tgz
mv SieveSingleMsgMbox-PT-d1m36 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 '
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 ;