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.r549-tall-171734898300326.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 FireWire-PT-20, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r549-tall-171734898300326
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 592K
-rw-r--r-- 1 mcc users 5.8K Jun 2 17:16 CTLCardinality.txt
-rw-r--r-- 1 mcc users 58K Jun 2 17:16 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Jun 2 17:16 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Jun 2 17:16 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Jun 2 17:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Jun 2 17:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Jun 2 17:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Jun 2 17:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 2 16:33 NewModel
-rw-r--r-- 1 mcc users 6.5K Jun 2 17:16 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 60K Jun 2 17:16 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Jun 2 17:16 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Jun 2 17:16 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Jun 2 17:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Jun 2 17:12 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 2 16:33 equiv_col
-rw-r--r-- 1 mcc users 3 Jun 2 16:33 instance
-rw-r--r-- 1 mcc users 6 Jun 2 16:33 iscolored
-rw-r--r-- 1 mcc users 247K Jun 2 16:33 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME FireWire-PT-20-ReachabilityCardinality-2024-00
FORMULA_NAME FireWire-PT-20-ReachabilityCardinality-2024-01
FORMULA_NAME FireWire-PT-20-ReachabilityCardinality-2024-02
FORMULA_NAME FireWire-PT-20-ReachabilityCardinality-2024-03
FORMULA_NAME FireWire-PT-20-ReachabilityCardinality-2024-04
FORMULA_NAME FireWire-PT-20-ReachabilityCardinality-2024-05
FORMULA_NAME FireWire-PT-20-ReachabilityCardinality-2024-06
FORMULA_NAME FireWire-PT-20-ReachabilityCardinality-2024-07
FORMULA_NAME FireWire-PT-20-ReachabilityCardinality-2024-08
FORMULA_NAME FireWire-PT-20-ReachabilityCardinality-2024-09
FORMULA_NAME FireWire-PT-20-ReachabilityCardinality-2024-10
FORMULA_NAME FireWire-PT-20-ReachabilityCardinality-2024-11
FORMULA_NAME FireWire-PT-20-ReachabilityCardinality-2024-12
FORMULA_NAME FireWire-PT-20-ReachabilityCardinality-2024-13
FORMULA_NAME FireWire-PT-20-ReachabilityCardinality-2024-14
FORMULA_NAME FireWire-PT-20-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1717376062039

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FireWire-PT-20
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-06-03 00:54:23] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2024-06-03 00:54:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-03 00:54:23] [INFO ] Load time of PNML (sax parser for PT used): 109 ms
[2024-06-03 00:54:23] [INFO ] Transformed 626 places.
[2024-06-03 00:54:23] [INFO ] Transformed 1031 transitions.
[2024-06-03 00:54:23] [INFO ] Found NUPN structural information;
[2024-06-03 00:54:23] [INFO ] Parsed PT model containing 626 places and 1031 transitions and 3196 arcs in 210 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 14 ms.
Working with output stream class java.io.PrintStream
FORMULA FireWire-PT-20-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-20-ReachabilityCardinality-2024-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (21 resets) in 2044 ms. (19 steps per ms) remains 12/14 properties
FORMULA FireWire-PT-20-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-20-ReachabilityCardinality-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40001 steps (41 resets) in 335 ms. (119 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40001 steps (26 resets) in 251 ms. (158 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40000 steps (22 resets) in 273 ms. (145 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (51 resets) in 420 ms. (95 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (29 resets) in 234 ms. (170 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40000 steps (16 resets) in 211 ms. (188 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (17 resets) in 158 ms. (251 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40001 steps (20 resets) in 190 ms. (209 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40000 steps (20 resets) in 183 ms. (217 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (16 resets) in 70 ms. (563 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40000 steps (17 resets) in 99 ms. (400 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40000 steps (23 resets) in 125 ms. (317 steps per ms) remains 12/12 properties
// Phase 1: matrix 1031 rows 626 cols
[2024-06-03 00:54:25] [INFO ] Computed 13 invariants in 24 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 63/63 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Problem FireWire-PT-20-ReachabilityCardinality-2024-07 is UNSAT
FORMULA FireWire-PT-20-ReachabilityCardinality-2024-07 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 525/588 variables, 10/73 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/588 variables, 525/598 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/588 variables, 0/598 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 38/626 variables, 3/601 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/626 variables, 38/639 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/626 variables, 0/639 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 8 (OVERLAPS) 1031/1657 variables, 626/1265 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1657 variables, 0/1265 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 10 (OVERLAPS) 0/1657 variables, 0/1265 constraints. Problems are: Problem set: 1 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1657/1657 variables, and 1265 constraints, problems are : Problem set: 1 solved, 11 unsolved in 1504 ms.
Refiners :[Domain max(s): 626/626 constraints, Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 626/626 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 11 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 60/60 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 0/60 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 2 (OVERLAPS) 528/588 variables, 10/70 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/588 variables, 528/598 constraints. Problems are: Problem set: 1 solved, 11 unsolved
[2024-06-03 00:54:27] [INFO ] Deduced a trap composed of 115 places in 98 ms of which 19 ms to minimize.
[2024-06-03 00:54:27] [INFO ] Deduced a trap composed of 117 places in 93 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/588 variables, 2/600 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/588 variables, 0/600 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 6 (OVERLAPS) 38/626 variables, 3/603 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/626 variables, 38/641 constraints. Problems are: Problem set: 1 solved, 11 unsolved
[2024-06-03 00:54:27] [INFO ] Deduced a trap composed of 20 places in 63 ms of which 1 ms to minimize.
[2024-06-03 00:54:27] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 1 ms to minimize.
[2024-06-03 00:54:27] [INFO ] Deduced a trap composed of 126 places in 82 ms of which 2 ms to minimize.
[2024-06-03 00:54:28] [INFO ] Deduced a trap composed of 131 places in 96 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/626 variables, 4/645 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/626 variables, 0/645 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 10 (OVERLAPS) 1031/1657 variables, 626/1271 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1657 variables, 11/1282 constraints. Problems are: Problem set: 1 solved, 11 unsolved
[2024-06-03 00:54:29] [INFO ] Deduced a trap composed of 142 places in 243 ms of which 8 ms to minimize.
[2024-06-03 00:54:29] [INFO ] Deduced a trap composed of 129 places in 86 ms of which 2 ms to minimize.
[2024-06-03 00:54:29] [INFO ] Deduced a trap composed of 143 places in 87 ms of which 1 ms to minimize.
[2024-06-03 00:54:29] [INFO ] Deduced a trap composed of 142 places in 82 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/1657 variables, 4/1286 constraints. Problems are: Problem set: 1 solved, 11 unsolved
[2024-06-03 00:54:30] [INFO ] Deduced a trap composed of 29 places in 67 ms of which 2 ms to minimize.
[2024-06-03 00:54:31] [INFO ] Deduced a trap composed of 93 places in 229 ms of which 3 ms to minimize.
[2024-06-03 00:54:31] [INFO ] Deduced a trap composed of 123 places in 230 ms of which 4 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1657/1657 variables, and 1289 constraints, problems are : Problem set: 1 solved, 11 unsolved in 5009 ms.
Refiners :[Domain max(s): 626/626 constraints, Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 626/626 constraints, PredecessorRefiner: 11/12 constraints, Known Traps: 13/13 constraints]
After SMT, in 6633ms problems are : Problem set: 1 solved, 11 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 60 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 1031/1031 transitions.
Graph (trivial) has 373 edges and 626 vertex of which 12 / 626 are part of one of the 3 SCC in 5 ms
Free SCC test removed 9 places
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Graph (complete) has 1871 edges and 617 vertex of which 602 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.3 ms
Discarding 15 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 85 transitions
Trivial Post-agglo rules discarded 85 transitions
Performed 85 trivial Post agglomeration. Transition count delta: 85
Iterating post reduction 0 with 88 rules applied. Total rules applied 90 place count 602 transition count 930
Reduce places removed 85 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 87 rules applied. Total rules applied 177 place count 517 transition count 928
Reduce places removed 1 places and 0 transitions.
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Iterating post reduction 2 with 11 rules applied. Total rules applied 188 place count 516 transition count 918
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 198 place count 506 transition count 918
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 14 Pre rules applied. Total rules applied 198 place count 506 transition count 904
Deduced a syphon composed of 14 places in 2 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 4 with 28 rules applied. Total rules applied 226 place count 492 transition count 904
Discarding 87 places :
Symmetric choice reduction at 4 with 87 rule applications. Total rules 313 place count 405 transition count 814
Iterating global reduction 4 with 87 rules applied. Total rules applied 400 place count 405 transition count 814
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 401 place count 405 transition count 813
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 6 Pre rules applied. Total rules applied 401 place count 405 transition count 807
Deduced a syphon composed of 6 places in 2 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 5 with 12 rules applied. Total rules applied 413 place count 399 transition count 807
Discarding 23 places :
Symmetric choice reduction at 5 with 23 rule applications. Total rules 436 place count 376 transition count 718
Iterating global reduction 5 with 23 rules applied. Total rules applied 459 place count 376 transition count 718
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 461 place count 376 transition count 716
Discarding 5 places :
Symmetric choice reduction at 6 with 5 rule applications. Total rules 466 place count 371 transition count 707
Iterating global reduction 6 with 5 rules applied. Total rules applied 471 place count 371 transition count 707
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 6 with 2 rules applied. Total rules applied 473 place count 371 transition count 705
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 474 place count 370 transition count 705
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 476 place count 368 transition count 699
Iterating global reduction 8 with 2 rules applied. Total rules applied 478 place count 368 transition count 699
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 480 place count 366 transition count 695
Iterating global reduction 8 with 2 rules applied. Total rules applied 482 place count 366 transition count 695
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 483 place count 365 transition count 692
Iterating global reduction 8 with 1 rules applied. Total rules applied 484 place count 365 transition count 692
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 485 place count 364 transition count 690
Iterating global reduction 8 with 1 rules applied. Total rules applied 486 place count 364 transition count 690
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 487 place count 363 transition count 687
Iterating global reduction 8 with 1 rules applied. Total rules applied 488 place count 363 transition count 687
Performed 43 Post agglomeration using F-continuation condition.Transition count delta: 43
Deduced a syphon composed of 43 places in 2 ms
Reduce places removed 43 places and 0 transitions.
Iterating global reduction 8 with 86 rules applied. Total rules applied 574 place count 320 transition count 644
Performed 28 Post agglomeration using F-continuation condition.Transition count delta: -100
Deduced a syphon composed of 28 places in 1 ms
Reduce places removed 28 places and 0 transitions.
Iterating global reduction 8 with 56 rules applied. Total rules applied 630 place count 292 transition count 744
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 631 place count 292 transition count 743
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 9 with 6 rules applied. Total rules applied 637 place count 292 transition count 737
Free-agglomeration rule applied 25 times.
Iterating global reduction 9 with 25 rules applied. Total rules applied 662 place count 292 transition count 712
Reduce places removed 25 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 9 with 32 rules applied. Total rules applied 694 place count 267 transition count 705
Discarding 5 places :
Symmetric choice reduction at 10 with 5 rule applications. Total rules 699 place count 262 transition count 700
Iterating global reduction 10 with 5 rules applied. Total rules applied 704 place count 262 transition count 700
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 705 place count 262 transition count 699
Drop transitions (Redundant composition of simpler transitions.) removed 41 transitions
Redundant transition composition rules discarded 41 transitions
Iterating global reduction 11 with 41 rules applied. Total rules applied 746 place count 262 transition count 658
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 11 with 4 rules applied. Total rules applied 750 place count 262 transition count 658
Applied a total of 750 rules in 321 ms. Remains 262 /626 variables (removed 364) and now considering 658/1031 (removed 373) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 333 ms. Remains : 262/626 places, 658/1031 transitions.
RANDOM walk for 40000 steps (1004 resets) in 423 ms. (94 steps per ms) remains 4/11 properties
FORMULA FireWire-PT-20-ReachabilityCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-20-ReachabilityCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-20-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-20-ReachabilityCardinality-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-20-ReachabilityCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-20-ReachabilityCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-20-ReachabilityCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (199 resets) in 92 ms. (430 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (197 resets) in 82 ms. (481 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (196 resets) in 97 ms. (408 steps per ms) remains 3/4 properties
FORMULA FireWire-PT-20-ReachabilityCardinality-2024-00 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (206 resets) in 115 ms. (344 steps per ms) remains 3/3 properties
[2024-06-03 00:54:32] [INFO ] Flow matrix only has 640 transitions (discarded 18 similar events)
// Phase 1: matrix 640 rows 262 cols
[2024-06-03 00:54:32] [INFO ] Computed 10 invariants in 5 ms
[2024-06-03 00:54:32] [INFO ] State equation strengthened by 57 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 182/212 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/212 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 34/246 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/246 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 638/884 variables, 246/256 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/884 variables, 57/313 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/884 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 17/901 variables, 15/328 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/901 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 1/902 variables, 1/329 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/902 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 0/902 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 902/902 variables, and 329 constraints, problems are : Problem set: 0 solved, 3 unsolved in 483 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 262/262 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 182/212 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-06-03 00:54:33] [INFO ] Deduced a trap composed of 50 places in 48 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/212 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/212 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 34/246 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/246 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 638/884 variables, 246/257 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/884 variables, 57/314 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/884 variables, 1/315 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-06-03 00:54:33] [INFO ] Deduced a trap composed of 22 places in 117 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/884 variables, 1/316 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/884 variables, 0/316 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 17/901 variables, 15/331 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/901 variables, 2/333 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/901 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 1/902 variables, 1/334 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-06-03 00:54:33] [INFO ] Deduced a trap composed of 76 places in 49 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/902 variables, 1/335 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/902 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 0/902 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 902/902 variables, and 335 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1175 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 262/262 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 3/3 constraints]
After SMT, in 1681ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 1210 ms.
Support contains 30 out of 262 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 262/262 places, 658/658 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 262 transition count 651
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 14 place count 255 transition count 651
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 14 place count 255 transition count 648
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 20 place count 252 transition count 648
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 24 place count 248 transition count 638
Iterating global reduction 2 with 4 rules applied. Total rules applied 28 place count 248 transition count 638
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 30 place count 246 transition count 633
Iterating global reduction 2 with 2 rules applied. Total rules applied 32 place count 246 transition count 633
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 36 place count 246 transition count 629
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 48 place count 240 transition count 623
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 49 place count 240 transition count 622
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 50 place count 239 transition count 621
Iterating global reduction 4 with 1 rules applied. Total rules applied 51 place count 239 transition count 621
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: -29
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 4 with 16 rules applied. Total rules applied 67 place count 231 transition count 650
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 68 place count 231 transition count 649
Drop transitions (Redundant composition of simpler transitions.) removed 30 transitions
Redundant transition composition rules discarded 30 transitions
Iterating global reduction 5 with 30 rules applied. Total rules applied 98 place count 231 transition count 619
Free-agglomeration rule applied 5 times.
Iterating global reduction 5 with 5 rules applied. Total rules applied 103 place count 231 transition count 614
Reduce places removed 5 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 5 with 14 rules applied. Total rules applied 117 place count 226 transition count 605
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 6 with 12 rules applied. Total rules applied 129 place count 226 transition count 593
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 130 place count 226 transition count 593
Applied a total of 130 rules in 113 ms. Remains 226 /262 variables (removed 36) and now considering 593/658 (removed 65) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 113 ms. Remains : 226/262 places, 593/658 transitions.
RANDOM walk for 40000 steps (1191 resets) in 205 ms. (194 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (249 resets) in 101 ms. (392 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (242 resets) in 106 ms. (373 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (240 resets) in 114 ms. (347 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 668474 steps, run timeout after 3001 ms. (steps per millisecond=222 ) properties seen :1 out of 3
Probabilistic random walk after 668474 steps, saw 179813 distinct states, run finished after 3005 ms. (steps per millisecond=222 ) properties seen :1
FORMULA FireWire-PT-20-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
[2024-06-03 00:54:38] [INFO ] Flow matrix only has 539 transitions (discarded 54 similar events)
// Phase 1: matrix 539 rows 226 cols
[2024-06-03 00:54:38] [INFO ] Computed 10 invariants in 3 ms
[2024-06-03 00:54:38] [INFO ] State equation strengthened by 100 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 156/185 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/185 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 27/212 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 539/751 variables, 212/222 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/751 variables, 100/322 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/751 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 14/765 variables, 14/336 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/765 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/765 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 765/765 variables, and 336 constraints, problems are : Problem set: 0 solved, 2 unsolved in 285 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 226/226 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 156/185 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-03 00:54:39] [INFO ] Deduced a trap composed of 45 places in 40 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/185 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 27/212 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/212 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 539/751 variables, 212/223 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/751 variables, 100/323 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-03 00:54:39] [INFO ] Deduced a trap composed of 17 places in 99 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/751 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/751 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 14/765 variables, 14/338 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/765 variables, 2/340 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-03 00:54:39] [INFO ] Deduced a trap composed of 65 places in 104 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/765 variables, 1/341 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/765 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/765 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 765/765 variables, and 341 constraints, problems are : Problem set: 0 solved, 2 unsolved in 907 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 226/226 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 3/3 constraints]
After SMT, in 1209ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 396 ms.
Support contains 29 out of 226 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 226/226 places, 593/593 transitions.
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 226 transition count 592
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 225 transition count 592
Applied a total of 2 rules in 19 ms. Remains 225 /226 variables (removed 1) and now considering 592/593 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 225/226 places, 592/593 transitions.
RANDOM walk for 40000 steps (1190 resets) in 140 ms. (283 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (246 resets) in 62 ms. (634 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (241 resets) in 74 ms. (533 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 600966 steps, run timeout after 3001 ms. (steps per millisecond=200 ) properties seen :0 out of 2
Probabilistic random walk after 600966 steps, saw 159617 distinct states, run finished after 3001 ms. (steps per millisecond=200 ) properties seen :0
[2024-06-03 00:54:43] [INFO ] Flow matrix only has 538 transitions (discarded 54 similar events)
// Phase 1: matrix 538 rows 225 cols
[2024-06-03 00:54:43] [INFO ] Computed 10 invariants in 6 ms
[2024-06-03 00:54:43] [INFO ] State equation strengthened by 100 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 155/184 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 27/211 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/211 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 538/749 variables, 211/221 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/749 variables, 100/321 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/749 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 14/763 variables, 14/335 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/763 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/763 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 763/763 variables, and 335 constraints, problems are : Problem set: 0 solved, 2 unsolved in 320 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 225/225 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 155/184 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-03 00:54:43] [INFO ] Deduced a trap composed of 44 places in 41 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/184 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 27/211 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-03 00:54:43] [INFO ] Deduced a trap composed of 61 places in 106 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/211 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/211 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 538/749 variables, 211/223 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/749 variables, 100/323 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-03 00:54:44] [INFO ] Deduced a trap composed of 27 places in 106 ms of which 2 ms to minimize.
[2024-06-03 00:54:44] [INFO ] Deduced a trap composed of 18 places in 108 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/749 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/749 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 14/763 variables, 14/339 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/763 variables, 2/341 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/763 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/763 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 763/763 variables, and 341 constraints, problems are : Problem set: 0 solved, 2 unsolved in 956 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 225/225 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 4/4 constraints]
After SMT, in 1301ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 351 ms.
Support contains 29 out of 225 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 225/225 places, 592/592 transitions.
Applied a total of 0 rules in 8 ms. Remains 225 /225 variables (removed 0) and now considering 592/592 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 225/225 places, 592/592 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 225/225 places, 592/592 transitions.
Applied a total of 0 rules in 8 ms. Remains 225 /225 variables (removed 0) and now considering 592/592 (removed 0) transitions.
[2024-06-03 00:54:45] [INFO ] Flow matrix only has 538 transitions (discarded 54 similar events)
[2024-06-03 00:54:45] [INFO ] Invariant cache hit.
[2024-06-03 00:54:45] [INFO ] Implicit Places using invariants in 145 ms returned []
[2024-06-03 00:54:45] [INFO ] Flow matrix only has 538 transitions (discarded 54 similar events)
[2024-06-03 00:54:45] [INFO ] Invariant cache hit.
[2024-06-03 00:54:45] [INFO ] State equation strengthened by 100 read => feed constraints.
[2024-06-03 00:54:45] [INFO ] Implicit Places using invariants and state equation in 567 ms returned []
Implicit Place search using SMT with State Equation took 723 ms to find 0 implicit places.
[2024-06-03 00:54:45] [INFO ] Redundant transitions in 30 ms returned []
Running 586 sub problems to find dead transitions.
[2024-06-03 00:54:45] [INFO ] Flow matrix only has 538 transitions (discarded 54 similar events)
[2024-06-03 00:54:45] [INFO ] Invariant cache hit.
[2024-06-03 00:54:45] [INFO ] State equation strengthened by 100 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/224 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 586 unsolved
At refinement iteration 1 (OVERLAPS) 1/225 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 586 unsolved
[2024-06-03 00:54:51] [INFO ] Deduced a trap composed of 65 places in 48 ms of which 1 ms to minimize.
[2024-06-03 00:54:51] [INFO ] Deduced a trap composed of 44 places in 45 ms of which 1 ms to minimize.
[2024-06-03 00:54:51] [INFO ] Deduced a trap composed of 70 places in 108 ms of which 2 ms to minimize.
[2024-06-03 00:54:51] [INFO ] Deduced a trap composed of 40 places in 42 ms of which 1 ms to minimize.
[2024-06-03 00:54:51] [INFO ] Deduced a trap composed of 18 places in 103 ms of which 1 ms to minimize.
[2024-06-03 00:54:51] [INFO ] Deduced a trap composed of 27 places in 103 ms of which 2 ms to minimize.
[2024-06-03 00:54:51] [INFO ] Deduced a trap composed of 48 places in 40 ms of which 0 ms to minimize.
[2024-06-03 00:54:51] [INFO ] Deduced a trap composed of 47 places in 42 ms of which 1 ms to minimize.
[2024-06-03 00:54:52] [INFO ] Deduced a trap composed of 55 places in 45 ms of which 1 ms to minimize.
[2024-06-03 00:54:52] [INFO ] Deduced a trap composed of 38 places in 40 ms of which 0 ms to minimize.
[2024-06-03 00:54:54] [INFO ] Deduced a trap composed of 54 places in 48 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/225 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 586 unsolved
[2024-06-03 00:54:55] [INFO ] Deduced a trap composed of 73 places in 111 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/225 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 586 unsolved
[2024-06-03 00:55:00] [INFO ] Deduced a trap composed of 69 places in 102 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/225 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 586 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/225 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 586 unsolved
At refinement iteration 6 (OVERLAPS) 538/763 variables, 225/248 constraints. Problems are: Problem set: 0 solved, 586 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/763 variables, 100/348 constraints. Problems are: Problem set: 0 solved, 586 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 763/763 variables, and 348 constraints, problems are : Problem set: 0 solved, 586 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 225/225 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 586/586 constraints, Known Traps: 13/13 constraints]
Escalating to Integer solving :Problem set: 0 solved, 586 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/224 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 586 unsolved
At refinement iteration 1 (OVERLAPS) 1/225 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 586 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/225 variables, 13/23 constraints. Problems are: Problem set: 0 solved, 586 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/225 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 586 unsolved
At refinement iteration 4 (OVERLAPS) 538/763 variables, 225/248 constraints. Problems are: Problem set: 0 solved, 586 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/763 variables, 100/348 constraints. Problems are: Problem set: 0 solved, 586 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/763 variables, 586/934 constraints. Problems are: Problem set: 0 solved, 586 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/763 variables, 0/934 constraints. Problems are: Problem set: 0 solved, 586 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 763/763 variables, and 934 constraints, problems are : Problem set: 0 solved, 586 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 225/225 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 586/586 constraints, Known Traps: 13/13 constraints]
After SMT, in 60801ms problems are : Problem set: 0 solved, 586 unsolved
Search for dead transitions found 0 dead transitions in 60809ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61584 ms. Remains : 225/225 places, 592/592 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 152 edges and 225 vertex of which 20 / 225 are part of one of the 4 SCC in 1 ms
Free SCC test removed 16 places
Drop transitions (Empty/Sink Transition effects.) removed 85 transitions
Ensure Unique test removed 57 transitions
Reduce isomorphic transitions removed 142 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 4 place count 206 transition count 447
Iterating global reduction 0 with 3 rules applied. Total rules applied 7 place count 206 transition count 447
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 13 place count 206 transition count 441
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 15 place count 205 transition count 440
Drop transitions (Redundant composition of simpler transitions.) removed 38 transitions
Redundant transition composition rules discarded 38 transitions
Iterating global reduction 1 with 38 rules applied. Total rules applied 53 place count 205 transition count 402
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 1 with 2 rules applied. Total rules applied 55 place count 205 transition count 400
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 57 place count 203 transition count 400
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 57 place count 203 transition count 399
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 59 place count 202 transition count 399
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 69 place count 197 transition count 394
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 70 place count 197 transition count 393
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 78 place count 193 transition count 399
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 80 place count 193 transition count 397
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 5 with 2 rules applied. Total rules applied 82 place count 193 transition count 395
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 84 place count 192 transition count 394
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 85 place count 191 transition count 341
Iterating global reduction 5 with 1 rules applied. Total rules applied 86 place count 191 transition count 341
Free-agglomeration rule applied 3 times.
Iterating global reduction 5 with 3 rules applied. Total rules applied 89 place count 191 transition count 338
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 92 place count 188 transition count 338
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 6 with 2 rules applied. Total rules applied 94 place count 188 transition count 336
Free-agglomeration rule applied 1 times.
Iterating global reduction 6 with 1 rules applied. Total rules applied 95 place count 188 transition count 335
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 96 place count 187 transition count 335
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 7 with 7 rules applied. Total rules applied 103 place count 187 transition count 335
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 7 with 2 rules applied. Total rules applied 105 place count 187 transition count 333
Applied a total of 105 rules in 61 ms. Remains 187 /225 variables (removed 38) and now considering 333/592 (removed 259) transitions.
Running SMT prover for 2 properties.
[2024-06-03 00:55:46] [INFO ] Flow matrix only has 331 transitions (discarded 2 similar events)
// Phase 1: matrix 331 rows 187 cols
[2024-06-03 00:55:46] [INFO ] Computed 10 invariants in 3 ms
[2024-06-03 00:55:46] [INFO ] After 42ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2024-06-03 00:55:46] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2024-06-03 00:55:46] [INFO ] After 105ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2024-06-03 00:55:46] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-03 00:55:46] [INFO ] After 42ms SMT Verify possible using 4 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2024-06-03 00:55:47] [INFO ] After 93ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2024-06-03 00:55:47] [INFO ] After 297ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 426 ms.
[2024-06-03 00:55:47] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/ReachabilityCardinality.sr.xml took 3 ms.
[2024-06-03 00:55:47] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 225 places, 592 transitions and 2314 arcs took 5 ms.
[2024-06-03 00:55:47] [INFO ] Flatten gal took : 93 ms
Total runtime 84133 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running FireWire-PT-20

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/406/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 225
TRANSITIONS: 592
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.014s, Sys 0.000s]


SAVING FILE /home/mcc/execution/406/model (.net / .def) ...
EXPORT TIME: [User 0.001s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 697
MODEL NAME: /home/mcc/execution/406/model
225 places, 592 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 FireWire-PT-20-ReachabilityCardinality-2024-12 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA FireWire-PT-20-ReachabilityCardinality-2024-13 CANNOT_COMPUTE
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1717376533816

--------------------
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 ReachabilityCardinality -timeout 360 -rebuildPNML
MEDDLY ERROR: Insufficient memory

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FireWire-PT-20"
export BK_EXAMINATION="ReachabilityCardinality"
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 FireWire-PT-20, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r549-tall-171734898300326"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-20.tgz
mv FireWire-PT-20 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;