fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r224-tall-174902009900242
Last Updated
June 24, 2025

About the Execution of 2024-gold for SieveSingleMsgMbox-PT-d0m64

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
15686.970 43568.00 124580.00 164.30 T normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r224-tall-174902009900242.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is SieveSingleMsgMbox-PT-d0m64, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r224-tall-174902009900242
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 480K
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 77K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 97K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 6 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 57K May 29 14:33 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1749107206187

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SieveSingleMsgMbox-PT-d0m64
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-05 07:06:47] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-05 07:06:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 07:06:47] [INFO ] Load time of PNML (sax parser for PT used): 62 ms
[2025-06-05 07:06:47] [INFO ] Transformed 262 places.
[2025-06-05 07:06:47] [INFO ] Transformed 73 transitions.
[2025-06-05 07:06:47] [INFO ] Parsed PT model containing 262 places and 73 transitions and 292 arcs in 154 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 262/262 places, 73/73 transitions.
Reduce places removed 192 places and 0 transitions.
Iterating post reduction 0 with 192 rules applied. Total rules applied 192 place count 70 transition count 73
Applied a total of 192 rules in 19 ms. Remains 70 /262 variables (removed 192) and now considering 73/73 (removed 0) transitions.
// Phase 1: matrix 73 rows 70 cols
[2025-06-05 07:06:47] [INFO ] Computed 5 invariants in 13 ms
[2025-06-05 07:06:47] [INFO ] Implicit Places using invariants in 228 ms returned []
[2025-06-05 07:06:47] [INFO ] Invariant cache hit.
[2025-06-05 07:06:47] [INFO ] State equation strengthened by 31 read => feed constraints.
[2025-06-05 07:06:48] [INFO ] Implicit Places using invariants and state equation in 119 ms returned []
Implicit Place search using SMT with State Equation took 381 ms to find 0 implicit places.
Running 72 sub problems to find dead transitions.
[2025-06-05 07:06:48] [INFO ] Invariant cache hit.
[2025-06-05 07:06:48] [INFO ] State equation strengthened by 31 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/69 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/69 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (OVERLAPS) 1/70 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2025-06-05 07:06:48] [INFO ] Deduced a trap composed of 23 places in 51 ms of which 9 ms to minimize.
[2025-06-05 07:06:48] [INFO ] Deduced a trap composed of 23 places in 32 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/70 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (OVERLAPS) 73/143 variables, 70/77 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 31/108 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/143 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2025-06-05 07:06:49] [INFO ] Deduced a trap composed of 28 places in 31 ms of which 1 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/143 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/143 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 11 (OVERLAPS) 0/143 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 109 constraints, problems are : Problem set: 0 solved, 72 unsolved in 2080 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 70/70 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/69 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/69 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (OVERLAPS) 1/70 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/70 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (OVERLAPS) 73/143 variables, 70/78 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 31/109 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/143 variables, 72/181 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/143 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 10 (OVERLAPS) 0/143 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 181 constraints, problems are : Problem set: 0 solved, 72 unsolved in 2536 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 70/70 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 3/3 constraints]
After SMT, in 4720ms problems are : Problem set: 0 solved, 72 unsolved
Search for dead transitions found 0 dead transitions in 4734ms
Starting structural reductions in LIVENESS mode, iteration 1 : 70/262 places, 73/73 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 5167 ms. Remains : 70/262 places, 73/73 transitions.
Discarding 10 transitions out of 73. Remains 63
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (8885 resets) in 2124 ms. (18 steps per ms) remains 35/62 properties
BEST_FIRST walk for 4003 steps (164 resets) in 63 ms. (62 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (189 resets) in 71 ms. (55 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4003 steps (193 resets) in 22 ms. (174 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4001 steps (187 resets) in 41 ms. (95 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4002 steps (206 resets) in 45 ms. (87 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4002 steps (196 resets) in 33 ms. (117 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4002 steps (207 resets) in 36 ms. (108 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4000 steps (190 resets) in 16 ms. (235 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4002 steps (222 resets) in 14 ms. (266 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4003 steps (169 resets) in 20 ms. (190 steps per ms) remains 34/35 properties
BEST_FIRST walk for 4003 steps (175 resets) in 10 ms. (363 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4001 steps (213 resets) in 19 ms. (200 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4002 steps (177 resets) in 16 ms. (235 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4003 steps (202 resets) in 16 ms. (235 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4002 steps (197 resets) in 15 ms. (250 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4003 steps (169 resets) in 20 ms. (190 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4003 steps (201 resets) in 31 ms. (125 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (204 resets) in 24 ms. (160 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4002 steps (194 resets) in 23 ms. (166 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4002 steps (189 resets) in 37 ms. (105 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4000 steps (800 resets) in 23 ms. (166 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4002 steps (417 resets) in 22 ms. (174 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4002 steps (408 resets) in 27 ms. (142 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4001 steps (402 resets) in 21 ms. (181 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4003 steps (409 resets) in 15 ms. (250 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4003 steps (406 resets) in 32 ms. (121 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4001 steps (406 resets) in 46 ms. (85 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (406 resets) in 16 ms. (235 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4003 steps (374 resets) in 18 ms. (210 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4001 steps (378 resets) in 32 ms. (121 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (441 resets) in 21 ms. (182 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4003 steps (407 resets) in 26 ms. (148 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4002 steps (404 resets) in 22 ms. (174 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4003 steps (398 resets) in 21 ms. (181 steps per ms) remains 34/34 properties
[2025-06-05 07:06:54] [INFO ] Invariant cache hit.
[2025-06-05 07:06:54] [INFO ] State equation strengthened by 31 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 1 (OVERLAPS) 25/67 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 3 (OVERLAPS) 2/69 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 5 (OVERLAPS) 72/141 variables, 69/74 constraints. Problems are: Problem set: 0 solved, 34 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 30/104 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/141 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 8 (OVERLAPS) 2/143 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/143 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/143 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 11 (OVERLAPS) 0/143 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 34 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 106 constraints, problems are : Problem set: 0 solved, 34 unsolved in 767 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 70/70 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 34/34 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 34 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 1 (OVERLAPS) 25/67 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 3 (OVERLAPS) 2/69 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 5 (OVERLAPS) 72/141 variables, 69/74 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 30/104 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/141 variables, 14/118 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 9 (OVERLAPS) 2/143 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/143 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/143 variables, 20/140 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/143 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 13 (OVERLAPS) 0/143 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 34 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 140 constraints, problems are : Problem set: 0 solved, 34 unsolved in 1243 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 70/70 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 34/34 constraints, Known Traps: 0/0 constraints]
After SMT, in 2062ms problems are : Problem set: 0 solved, 34 unsolved
Fused 34 Parikh solutions to 29 different solutions.
Parikh walk visited 7 properties in 3842 ms.
Support contains 33 out of 70 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 70/70 places, 73/73 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 66 transition count 69
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 66 transition count 69
Applied a total of 8 rules in 19 ms. Remains 66 /70 variables (removed 4) and now considering 69/73 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 66/70 places, 69/73 transitions.
RANDOM walk for 4000000 steps (894989 resets) in 21957 ms. (182 steps per ms) remains 24/27 properties
BEST_FIRST walk for 400002 steps (19154 resets) in 585 ms. (682 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (19225 resets) in 599 ms. (666 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (19152 resets) in 605 ms. (660 steps per ms) remains 20/24 properties
BEST_FIRST walk for 400003 steps (19267 resets) in 651 ms. (613 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400003 steps (19185 resets) in 638 ms. (625 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400004 steps (19166 resets) in 632 ms. (631 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400004 steps (19437 resets) in 641 ms. (623 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400002 steps (19292 resets) in 625 ms. (638 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400002 steps (19300 resets) in 631 ms. (632 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400001 steps (19105 resets) in 667 ms. (598 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400000 steps (19364 resets) in 681 ms. (586 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400001 steps (19203 resets) in 660 ms. (605 steps per ms) remains 18/20 properties
BEST_FIRST walk for 400000 steps (80000 resets) in 960 ms. (416 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400002 steps (41975 resets) in 780 ms. (512 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (40827 resets) in 776 ms. (514 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400000 steps (41273 resets) in 786 ms. (508 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400002 steps (41193 resets) in 779 ms. (512 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400002 steps (41139 resets) in 773 ms. (516 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400002 steps (41374 resets) in 775 ms. (515 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400002 steps (41255 resets) in 772 ms. (517 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400001 steps (41271 resets) in 766 ms. (521 steps per ms) remains 18/18 properties
// Phase 1: matrix 69 rows 66 cols
[2025-06-05 07:07:13] [INFO ] Computed 5 invariants in 2 ms
[2025-06-05 07:07:13] [INFO ] State equation strengthened by 29 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 34/58 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 6/64 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (OVERLAPS) 68/132 variables, 64/69 constraints. Problems are: Problem set: 0 solved, 18 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 28/97 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/132 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (OVERLAPS) 3/135 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/135 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/135 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 11 (OVERLAPS) 0/135 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Real declared 135/135 variables, and 100 constraints, problems are : Problem set: 0 solved, 18 unsolved in 375 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 66/66 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 18 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 34/58 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 6/64 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (OVERLAPS) 68/132 variables, 64/69 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 28/97 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/132 variables, 8/105 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/132 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (OVERLAPS) 3/135 variables, 2/107 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/135 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/135 variables, 10/118 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/135 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 13 (OVERLAPS) 0/135 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Int declared 135/135 variables, and 118 constraints, problems are : Problem set: 0 solved, 18 unsolved in 583 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 66/66 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 0/0 constraints]
After SMT, in 985ms problems are : Problem set: 0 solved, 18 unsolved
Parikh walk visited 0 properties in 6017 ms.
Support contains 24 out of 66 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 66/66 places, 69/69 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 64 transition count 67
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 64 transition count 67
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 63 transition count 66
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 63 transition count 66
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 62 transition count 65
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 62 transition count 65
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 9 place count 62 transition count 64
Applied a total of 9 rules in 13 ms. Remains 62 /66 variables (removed 4) and now considering 64/69 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 62/66 places, 64/69 transitions.
RANDOM walk for 4000000 steps (894181 resets) in 15480 ms. (258 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400001 steps (19357 resets) in 571 ms. (699 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (19047 resets) in 570 ms. (700 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400002 steps (19202 resets) in 566 ms. (705 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (19285 resets) in 556 ms. (718 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (19208 resets) in 559 ms. (714 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (19487 resets) in 560 ms. (713 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400002 steps (19181 resets) in 570 ms. (700 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (19222 resets) in 583 ms. (684 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (19412 resets) in 568 ms. (702 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400000 steps (80000 resets) in 921 ms. (433 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (42026 resets) in 730 ms. (547 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400002 steps (41100 resets) in 736 ms. (542 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (41033 resets) in 736 ms. (542 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (41156 resets) in 708 ms. (564 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400002 steps (41324 resets) in 710 ms. (562 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400002 steps (41309 resets) in 721 ms. (554 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400001 steps (41428 resets) in 769 ms. (519 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400001 steps (41474 resets) in 727 ms. (549 steps per ms) remains 18/18 properties
Finished probabilistic random walk after 1607 steps, run visited all 18 properties in 22 ms. (steps per millisecond=73 )
Probabilistic random walk after 1607 steps, saw 842 distinct states, run finished after 25 ms. (steps per millisecond=64 ) properties seen :18
Able to resolve query QuasiLiveness after proving 63 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 42294 ms.
ITS solved all properties within timeout

BK_STOP 1749107249755

--------------------
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 QuasiLiveness -timeout 180 -rebuildPNML

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SieveSingleMsgMbox-PT-d0m64"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2024"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 2-5832"
echo " Executing tool gold2024"
echo " Input is SieveSingleMsgMbox-PT-d0m64, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r224-tall-174902009900242"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d0m64.tgz
mv SieveSingleMsgMbox-PT-d0m64 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;