Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r399-tall-171690531300887.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 Szymanski-PT-b08, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r399-tall-171690531300887
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.0M
-rw-r--r-- 1 mcc users 5.7K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 60K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 19 07:17 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 19 16:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 19:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.8K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 89K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 14 13:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 46K May 14 13:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 19 07:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K 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 4 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 3.7M 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 Szymanski-PT-b08-ReachabilityFireability-2024-00
FORMULA_NAME Szymanski-PT-b08-ReachabilityFireability-2024-01
FORMULA_NAME Szymanski-PT-b08-ReachabilityFireability-2023-02
FORMULA_NAME Szymanski-PT-b08-ReachabilityFireability-2023-03
FORMULA_NAME Szymanski-PT-b08-ReachabilityFireability-2024-04
FORMULA_NAME Szymanski-PT-b08-ReachabilityFireability-2024-05
FORMULA_NAME Szymanski-PT-b08-ReachabilityFireability-2024-06
FORMULA_NAME Szymanski-PT-b08-ReachabilityFireability-2024-07
FORMULA_NAME Szymanski-PT-b08-ReachabilityFireability-2023-08
FORMULA_NAME Szymanski-PT-b08-ReachabilityFireability-2024-09
FORMULA_NAME Szymanski-PT-b08-ReachabilityFireability-2024-10
FORMULA_NAME Szymanski-PT-b08-ReachabilityFireability-2024-11
FORMULA_NAME Szymanski-PT-b08-ReachabilityFireability-2024-12
FORMULA_NAME Szymanski-PT-b08-ReachabilityFireability-2024-13
FORMULA_NAME Szymanski-PT-b08-ReachabilityFireability-2023-14
FORMULA_NAME Szymanski-PT-b08-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1717105047167

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Szymanski-PT-b08
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-30 21:37:28] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2024-05-30 21:37:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-30 21:37:28] [INFO ] Load time of PNML (sax parser for PT used): 317 ms
[2024-05-30 21:37:28] [INFO ] Transformed 568 places.
[2024-05-30 21:37:28] [INFO ] Transformed 8320 transitions.
[2024-05-30 21:37:28] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 452 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 26 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 260 places in 17 ms
Reduce places removed 260 places and 256 transitions.
FORMULA Szymanski-PT-b08-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40003 steps (18 resets) in 1704 ms. (23 steps per ms) remains 12/15 properties
FORMULA Szymanski-PT-b08-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Szymanski-PT-b08-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Szymanski-PT-b08-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (11 resets) in 476 ms. (83 steps per ms) remains 11/12 properties
FORMULA Szymanski-PT-b08-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (11 resets) in 453 ms. (88 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (12 resets) in 89 ms. (444 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (11 resets) in 80 ms. (493 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (9 resets) in 109 ms. (363 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (10 resets) in 150 ms. (264 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 371 ms. (107 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 143 ms. (277 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 94 ms. (421 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (9 resets) in 863 ms. (46 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (12 resets) in 108 ms. (367 steps per ms) remains 11/11 properties
[2024-05-30 21:37:30] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 308 cols
[2024-05-30 21:37:30] [INFO ] Computed 3 invariants in 43 ms
[2024-05-30 21:37:30] [INFO ] State equation strengthened by 147 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/116 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Problem Szymanski-PT-b08-ReachabilityFireability-2023-02 is UNSAT
FORMULA Szymanski-PT-b08-ReachabilityFireability-2023-02 FALSE TECHNIQUES SMT_REFINEMENT
Problem Szymanski-PT-b08-ReachabilityFireability-2024-05 is UNSAT
FORMULA Szymanski-PT-b08-ReachabilityFireability-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
Problem Szymanski-PT-b08-ReachabilityFireability-2023-08 is UNSAT
FORMULA Szymanski-PT-b08-ReachabilityFireability-2023-08 FALSE TECHNIQUES SMT_REFINEMENT
Problem Szymanski-PT-b08-ReachabilityFireability-2024-10 is UNSAT
FORMULA Szymanski-PT-b08-ReachabilityFireability-2024-10 TRUE TECHNIQUES SMT_REFINEMENT
Problem Szymanski-PT-b08-ReachabilityFireability-2024-11 is UNSAT
FORMULA Szymanski-PT-b08-ReachabilityFireability-2024-11 FALSE TECHNIQUES SMT_REFINEMENT
Problem Szymanski-PT-b08-ReachabilityFireability-2024-12 is UNSAT
FORMULA Szymanski-PT-b08-ReachabilityFireability-2024-12 TRUE TECHNIQUES SMT_REFINEMENT
Problem Szymanski-PT-b08-ReachabilityFireability-2023-14 is UNSAT
FORMULA Szymanski-PT-b08-ReachabilityFireability-2023-14 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 191/307 variables, 2/2 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/307 variables, 0/2 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 1/308 variables, 1/3 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/308 variables, 0/3 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 2733/3041 variables, 308/311 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3041 variables, 147/458 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3041 variables, 0/458 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/3041 variables, 0/458 constraints. Problems are: Problem set: 7 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3041/3041 variables, and 458 constraints, problems are : Problem set: 7 solved, 4 unsolved in 3020 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 308/308 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 11/7 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 7 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 299/307 variables, 2/2 constraints. Problems are: Problem set: 7 solved, 4 unsolved
[2024-05-30 21:37:34] [INFO ] Deduced a trap composed of 139 places in 487 ms of which 21 ms to minimize.
[2024-05-30 21:37:34] [INFO ] Deduced a trap composed of 58 places in 444 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/307 variables, 2/4 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/307 variables, 0/4 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 1/308 variables, 1/5 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/308 variables, 0/5 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 2733/3041 variables, 308/313 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3041 variables, 147/460 constraints. Problems are: Problem set: 7 solved, 4 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3041/3041 variables, and 464 constraints, problems are : Problem set: 7 solved, 4 unsolved in 5010 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 308/308 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 4/7 constraints, Known Traps: 2/2 constraints]
After SMT, in 8458ms problems are : Problem set: 7 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 8 out of 308 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 8064/8064 transitions.
Graph (complete) has 9195 edges and 308 vertex of which 306 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.17 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 123 transitions
Reduce isomorphic transitions removed 123 transitions.
Iterating post reduction 0 with 123 rules applied. Total rules applied 124 place count 306 transition count 7941
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 125 place count 305 transition count 7813
Iterating global reduction 1 with 1 rules applied. Total rules applied 126 place count 305 transition count 7813
Applied a total of 126 rules in 423 ms. Remains 305 /308 variables (removed 3) and now considering 7813/8064 (removed 251) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 439 ms. Remains : 305/308 places, 7813/8064 transitions.
RANDOM walk for 40000 steps (8 resets) in 160 ms. (248 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 98 ms. (404 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 86 ms. (459 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 97 ms. (408 steps per ms) remains 3/4 properties
FORMULA Szymanski-PT-b08-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40002 steps (8 resets) in 86 ms. (459 steps per ms) remains 3/3 properties
[2024-05-30 21:37:39] [INFO ] Flow matrix only has 2609 transitions (discarded 5204 similar events)
// Phase 1: matrix 2609 rows 305 cols
[2024-05-30 21:37:39] [INFO ] Computed 1 invariants in 27 ms
[2024-05-30 21:37:39] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 299/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-05-30 21:37:39] [INFO ] Deduced a trap composed of 44 places in 337 ms of which 2 ms to minimize.
[2024-05-30 21:37:40] [INFO ] Deduced a trap composed of 57 places in 315 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 2609/2914 variables, 305/308 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2914 variables, 147/455 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2914 variables, 0/455 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/2914 variables, 0/455 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2914/2914 variables, and 455 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2752 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 299/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-05-30 21:37:42] [INFO ] Deduced a trap composed of 31 places in 324 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2609/2914 variables, 305/309 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2914 variables, 147/456 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2914 variables, 3/459 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2914 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/2914 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2914/2914 variables, and 459 constraints, problems are : Problem set: 0 solved, 3 unsolved in 21291 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 3/3 constraints]
After SMT, in 24125ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 17 ms.
Support contains 6 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7813/7813 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 305 transition count 7812
Applied a total of 1 rules in 239 ms. Remains 305 /305 variables (removed 0) and now considering 7812/7813 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 240 ms. Remains : 305/305 places, 7812/7813 transitions.
RANDOM walk for 40009 steps (8 resets) in 158 ms. (251 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 86 ms. (459 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 69 ms. (571 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 71 ms. (555 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 115061 steps, run timeout after 3001 ms. (steps per millisecond=38 ) properties seen :0 out of 3
Probabilistic random walk after 115061 steps, saw 73469 distinct states, run finished after 3007 ms. (steps per millisecond=38 ) properties seen :0
[2024-05-30 21:38:06] [INFO ] Flow matrix only has 2608 transitions (discarded 5204 similar events)
// Phase 1: matrix 2608 rows 305 cols
[2024-05-30 21:38:06] [INFO ] Computed 1 invariants in 19 ms
[2024-05-30 21:38:06] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 299/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-05-30 21:38:07] [INFO ] Deduced a trap composed of 37 places in 435 ms of which 3 ms to minimize.
[2024-05-30 21:38:07] [INFO ] Deduced a trap composed of 93 places in 416 ms of which 2 ms to minimize.
[2024-05-30 21:38:08] [INFO ] Deduced a trap composed of 37 places in 323 ms of which 2 ms to minimize.
[2024-05-30 21:38:08] [INFO ] Deduced a trap composed of 57 places in 329 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 2608/2913 variables, 305/310 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2913 variables, 147/457 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2913 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/2913 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2913/2913 variables, and 457 constraints, problems are : Problem set: 0 solved, 3 unsolved in 4342 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 299/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-05-30 21:38:11] [INFO ] Deduced a trap composed of 36 places in 321 ms of which 2 ms to minimize.
[2024-05-30 21:38:11] [INFO ] Deduced a trap composed of 47 places in 298 ms of which 1 ms to minimize.
[2024-05-30 21:38:12] [INFO ] Deduced a trap composed of 42 places in 306 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2608/2913 variables, 305/313 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2913 variables, 147/460 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2913 variables, 3/463 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-05-30 21:38:19] [INFO ] Deduced a trap composed of 72 places in 265 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/2913 variables, 1/464 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2913 variables, 0/464 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/2913 variables, 0/464 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2913/2913 variables, and 464 constraints, problems are : Problem set: 0 solved, 3 unsolved in 10845 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 8/8 constraints]
After SMT, in 15248ms problems are : Problem set: 0 solved, 3 unsolved
FORMULA Szymanski-PT-b08-ReachabilityFireability-2024-01 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 1301 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7812/7812 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 2 place count 305 transition count 7810
Applied a total of 2 rules in 285 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7812 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 285 ms. Remains : 305/305 places, 7810/7812 transitions.
RANDOM walk for 40018 steps (8 resets) in 118 ms. (336 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 67 ms. (588 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 76 ms. (519 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 167029 steps, run timeout after 3001 ms. (steps per millisecond=55 ) properties seen :0 out of 2
Probabilistic random walk after 167029 steps, saw 114231 distinct states, run finished after 3001 ms. (steps per millisecond=55 ) properties seen :0
[2024-05-30 21:38:26] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2024-05-30 21:38:26] [INFO ] Computed 1 invariants in 24 ms
[2024-05-30 21:38:26] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 301/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2606/2911 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2911 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2911 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-30 21:38:28] [INFO ] Deduced a trap composed of 72 places in 493 ms of which 3 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/2911 variables, 1/454 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2911 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/2911 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2911/2911 variables, and 454 constraints, problems are : Problem set: 0 solved, 2 unsolved in 3050 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 301/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-30 21:38:30] [INFO ] Deduced a trap composed of 89 places in 472 ms of which 2 ms to minimize.
[2024-05-30 21:38:30] [INFO ] Deduced a trap composed of 134 places in 322 ms of which 1 ms to minimize.
[2024-05-30 21:38:31] [INFO ] Deduced a trap composed of 58 places in 301 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2606/2911 variables, 305/310 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2911 variables, 147/457 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2911 variables, 2/459 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2911 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/2911 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2911/2911 variables, and 459 constraints, problems are : Problem set: 0 solved, 2 unsolved in 19156 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 4/4 constraints]
After SMT, in 22270ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 12 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 199 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 199 ms. Remains : 305/305 places, 7810/7810 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 198 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
[2024-05-30 21:38:49] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2024-05-30 21:38:49] [INFO ] Invariant cache hit.
[2024-05-30 21:38:49] [INFO ] Implicit Places using invariants in 434 ms returned []
[2024-05-30 21:38:49] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2024-05-30 21:38:49] [INFO ] Invariant cache hit.
[2024-05-30 21:38:50] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 21:39:18] [INFO ] Implicit Places using invariants and state equation in 28346 ms returned []
Implicit Place search using SMT with State Equation took 28788 ms to find 0 implicit places.
[2024-05-30 21:39:19] [INFO ] Redundant transitions in 882 ms returned []
Running 7808 sub problems to find dead transitions.
[2024-05-30 21:39:19] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2024-05-30 21:39:19] [INFO ] Invariant cache hit.
[2024-05-30 21:39:19] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7808 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2911 variables, and 1 constraints, problems are : Problem set: 0 solved, 7808 unsolved in 30125 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7808/7808 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7808 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7808 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/2911 variables, and 1 constraints, problems are : Problem set: 0 solved, 7808 unsolved in 30097 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7808 constraints, Known Traps: 0/0 constraints]
After SMT, in 86869ms problems are : Problem set: 0 solved, 7808 unsolved
Search for dead transitions found 0 dead transitions in 86941ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 116851 ms. Remains : 305/305 places, 7810/7810 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 4808 edges and 305 vertex of which 25 / 305 are part of one of the 4 SCC in 3 ms
Free SCC test removed 21 places
Drop transitions (Empty/Sink Transition effects.) removed 2784 transitions
Ensure Unique test removed 2643 transitions
Reduce isomorphic transitions removed 5427 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 1 place count 284 transition count 2380
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 7 place count 281 transition count 2380
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 11 place count 279 transition count 2378
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 13 place count 279 transition count 2376
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 13 place count 279 transition count 2374
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 17 place count 277 transition count 2374
Applied a total of 17 rules in 175 ms. Remains 277 /305 variables (removed 28) and now considering 2374/7810 (removed 5436) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 2374 rows 277 cols
[2024-05-30 21:40:46] [INFO ] Computed 1 invariants in 28 ms
[2024-05-30 21:40:46] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 5 ms returned sat
[2024-05-30 21:40:47] [INFO ] After 617ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2024-05-30 21:40:47] [INFO ] State equation strengthened by 224 read => feed constraints.
[2024-05-30 21:40:47] [INFO ] After 166ms SMT Verify possible using 224 Read/Feed constraints in real domain returned unsat :0 sat :0 real:2
[2024-05-30 21:40:47] [INFO ] After 853ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2024-05-30 21:40:47] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-30 21:40:47] [INFO ] After 580ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2024-05-30 21:40:48] [INFO ] After 341ms SMT Verify possible using 224 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2024-05-30 21:40:48] [INFO ] After 645ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2024-05-30 21:40:48] [INFO ] After 1648ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 2725 ms.
[2024-05-30 21:40:48] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 2 ms.
[2024-05-30 21:40:48] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 305 places, 7810 transitions and 31364 arcs took 31 ms.
[2024-05-30 21:40:49] [INFO ] Flatten gal took : 443 ms
Total runtime 201376 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running Szymanski-PT-b08

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: 305
TRANSITIONS: 7810
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.133s, Sys 0.024s]


SAVING FILE /home/mcc/execution/406/model (.net / .def) ...
EXPORT TIME: [User 0.019s, Sys 0.003s]


----------------------------------------------------------------------
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: 647
MODEL NAME: /home/mcc/execution/406/model
305 places, 7810 transitions.

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

BK_TIME_CONFINEMENT_REACHED

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -timeout 360 -rebuildPNML
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="Szymanski-PT-b08"
export BK_EXAMINATION="ReachabilityFireability"
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 Szymanski-PT-b08, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r399-tall-171690531300887"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b08.tgz
mv Szymanski-PT-b08 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;