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.r056-tall-174854041500032.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 CloudDeployment-PT-5a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r056-tall-174854041500032
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 688K
-rw-r--r-- 1 mcc users 7.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 67K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K 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 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 148K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 37K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 230K May 29 14:32 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 1748644602116

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CloudDeployment-PT-5a
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-30 22:36:43] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-30 22:36:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 22:36:43] [INFO ] Load time of PNML (sax parser for PT used): 98 ms
[2025-05-30 22:36:43] [INFO ] Transformed 180 places.
[2025-05-30 22:36:43] [INFO ] Transformed 675 transitions.
[2025-05-30 22:36:43] [INFO ] Found NUPN structural information;
[2025-05-30 22:36:43] [INFO ] Parsed PT model containing 180 places and 675 transitions and 3959 arcs in 198 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 180/180 places, 675/675 transitions.
Graph (trivial) has 221 edges and 180 vertex of which 50 / 180 are part of one of the 15 SCC in 3 ms
Free SCC test removed 35 places
Ensure Unique test removed 175 transitions
Reduce isomorphic transitions removed 175 transitions.
Ensure Unique test removed 10 places
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 135 transition count 500
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: -45
Deduced a syphon composed of 15 places in 2 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 1 with 30 rules applied. Total rules applied 41 place count 120 transition count 545
Applied a total of 41 rules in 62 ms. Remains 120 /180 variables (removed 60) and now considering 545/675 (removed 130) transitions.
[2025-05-30 22:36:43] [INFO ] Flow matrix only has 246 transitions (discarded 299 similar events)
// Phase 1: matrix 246 rows 120 cols
[2025-05-30 22:36:43] [INFO ] Computed 20 invariants in 18 ms
[2025-05-30 22:36:43] [INFO ] Implicit Places using invariants in 288 ms returned []
[2025-05-30 22:36:43] [INFO ] Flow matrix only has 246 transitions (discarded 299 similar events)
[2025-05-30 22:36:43] [INFO ] Invariant cache hit.
[2025-05-30 22:36:44] [INFO ] State equation strengthened by 152 read => feed constraints.
[2025-05-30 22:36:44] [INFO ] Implicit Places using invariants and state equation in 315 ms returned []
Implicit Place search using SMT with State Equation took 630 ms to find 0 implicit places.
Running 544 sub problems to find dead transitions.
[2025-05-30 22:36:44] [INFO ] Flow matrix only has 246 transitions (discarded 299 similar events)
[2025-05-30 22:36:44] [INFO ] Invariant cache hit.
[2025-05-30 22:36:44] [INFO ] State equation strengthened by 152 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/119 variables, 119/119 constraints. Problems are: Problem set: 0 solved, 544 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/119 variables, 20/139 constraints. Problems are: Problem set: 0 solved, 544 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 544 unsolved
At refinement iteration 3 (OVERLAPS) 245/364 variables, 119/258 constraints. Problems are: Problem set: 0 solved, 544 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/364 variables, 151/409 constraints. Problems are: Problem set: 0 solved, 544 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/364 variables, 0/409 constraints. Problems are: Problem set: 0 solved, 544 unsolved
At refinement iteration 6 (OVERLAPS) 1/365 variables, 1/410 constraints. Problems are: Problem set: 0 solved, 544 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 544 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/365 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 544 unsolved
At refinement iteration 9 (OVERLAPS) 1/366 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 544 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/366 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 544 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 366/366 variables, and 412 constraints, problems are : Problem set: 0 solved, 544 unsolved in 30033 ms.
Refiners :[Domain max(s): 120/120 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 120/120 constraints, ReadFeed: 152/152 constraints, PredecessorRefiner: 544/544 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 544 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/119 variables, 119/119 constraints. Problems are: Problem set: 0 solved, 544 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/119 variables, 20/139 constraints. Problems are: Problem set: 0 solved, 544 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 544 unsolved
At refinement iteration 3 (OVERLAPS) 245/364 variables, 119/258 constraints. Problems are: Problem set: 0 solved, 544 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/364 variables, 151/409 constraints. Problems are: Problem set: 0 solved, 544 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/364 variables, 544/953 constraints. Problems are: Problem set: 0 solved, 544 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/364 variables, 0/953 constraints. Problems are: Problem set: 0 solved, 544 unsolved
At refinement iteration 7 (OVERLAPS) 1/365 variables, 1/954 constraints. Problems are: Problem set: 0 solved, 544 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/365 variables, 1/955 constraints. Problems are: Problem set: 0 solved, 544 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/365 variables, 0/955 constraints. Problems are: Problem set: 0 solved, 544 unsolved
At refinement iteration 10 (OVERLAPS) 1/366 variables, 1/956 constraints. Problems are: Problem set: 0 solved, 544 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 366/366 variables, and 956 constraints, problems are : Problem set: 0 solved, 544 unsolved in 30015 ms.
Refiners :[Domain max(s): 120/120 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 120/120 constraints, ReadFeed: 152/152 constraints, PredecessorRefiner: 544/544 constraints, Known Traps: 0/0 constraints]
After SMT, in 60721ms problems are : Problem set: 0 solved, 544 unsolved
Search for dead transitions found 0 dead transitions in 60747ms
Starting structural reductions in LIVENESS mode, iteration 1 : 120/180 places, 545/675 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 61478 ms. Remains : 120/180 places, 545/675 transitions.
Discarding 411 transitions out of 545. Remains 134
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (985 resets) in 2249 ms. (17 steps per ms) remains 12/133 properties
BEST_FIRST walk for 40004 steps (145 resets) in 179 ms. (222 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (93 resets) in 123 ms. (322 steps per ms) remains 11/12 properties
BEST_FIRST walk for 40004 steps (77 resets) in 66 ms. (597 steps per ms) remains 1/11 properties
[2025-05-30 22:37:45] [INFO ] Flow matrix only has 246 transitions (discarded 299 similar events)
[2025-05-30 22:37:45] [INFO ] Invariant cache hit.
[2025-05-30 22:37:45] [INFO ] State equation strengthened by 152 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 67/73 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/73 variables, 67/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/73 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 46/119 variables, 15/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/119 variables, 46/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/119 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 245/364 variables, 119/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/364 variables, 151/409 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/364 variables, 0/409 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/365 variables, 1/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/365 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/365 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/366 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/366 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/366 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 366/366 variables, and 412 constraints, problems are : Problem set: 0 solved, 1 unsolved in 163 ms.
Refiners :[Domain max(s): 120/120 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 120/120 constraints, ReadFeed: 152/152 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 67/73 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/73 variables, 67/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/73 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 46/119 variables, 15/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/119 variables, 46/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/119 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 245/364 variables, 119/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/364 variables, 151/409 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/364 variables, 1/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/364 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/365 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/365 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/365 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/366 variables, 1/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/366 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/366 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 366/366 variables, and 413 constraints, problems are : Problem set: 0 solved, 1 unsolved in 221 ms.
Refiners :[Domain max(s): 120/120 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 120/120 constraints, ReadFeed: 152/152 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 402ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 36 ms.
Support contains 6 out of 120 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 120/120 places, 545/545 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 100 transitions
Reduce isomorphic transitions removed 100 transitions.
Iterating post reduction 0 with 100 rules applied. Total rules applied 100 place count 120 transition count 445
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 108 place count 112 transition count 412
Iterating global reduction 1 with 8 rules applied. Total rules applied 116 place count 112 transition count 412
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 118 place count 110 transition count 410
Iterating global reduction 1 with 2 rules applied. Total rules applied 120 place count 110 transition count 410
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 121 place count 109 transition count 409
Iterating global reduction 1 with 1 rules applied. Total rules applied 122 place count 109 transition count 409
Drop transitions (Redundant composition of simpler transitions.) removed 80 transitions
Redundant transition composition rules discarded 80 transitions
Iterating global reduction 1 with 80 rules applied. Total rules applied 202 place count 109 transition count 329
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 203 place count 109 transition count 329
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 204 place count 108 transition count 328
Applied a total of 204 rules in 87 ms. Remains 108 /120 variables (removed 12) and now considering 328/545 (removed 217) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 87 ms. Remains : 108/120 places, 328/545 transitions.
RANDOM walk for 4000000 steps (64129 resets) in 9774 ms. (409 steps per ms) remains 1/1 properties
BEST_FIRST walk for 4000004 steps (12922 resets) in 3079 ms. (1298 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 4457940 steps, run timeout after 9001 ms. (steps per millisecond=495 ) properties seen :0 out of 1
Probabilistic random walk after 4457940 steps, saw 662307 distinct states, run finished after 9011 ms. (steps per millisecond=494 ) properties seen :0
[2025-05-30 22:37:59] [INFO ] Flow matrix only has 153 transitions (discarded 175 similar events)
// Phase 1: matrix 153 rows 108 cols
[2025-05-30 22:37:59] [INFO ] Computed 20 invariants in 1 ms
[2025-05-30 22:37:59] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 62/68 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/108 variables, 15/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 153/261 variables, 108/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/261 variables, 7/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/261 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/261 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 261/261 variables, and 135 constraints, problems are : Problem set: 0 solved, 1 unsolved in 432 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 108/108 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 62/68 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/108 variables, 15/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 153/261 variables, 108/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/261 variables, 7/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/261 variables, 1/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/261 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 261/261 variables, and 136 constraints, problems are : Problem set: 0 solved, 1 unsolved in 368 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 108/108 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 825ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 13 ms.
Support contains 6 out of 108 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 108/108 places, 328/328 transitions.
Applied a total of 0 rules in 11 ms. Remains 108 /108 variables (removed 0) and now considering 328/328 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 108/108 places, 328/328 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 108/108 places, 328/328 transitions.
Applied a total of 0 rules in 9 ms. Remains 108 /108 variables (removed 0) and now considering 328/328 (removed 0) transitions.
[2025-05-30 22:38:00] [INFO ] Flow matrix only has 153 transitions (discarded 175 similar events)
[2025-05-30 22:38:00] [INFO ] Invariant cache hit.
[2025-05-30 22:38:00] [INFO ] Implicit Places using invariants in 210 ms returned []
[2025-05-30 22:38:00] [INFO ] Flow matrix only has 153 transitions (discarded 175 similar events)
[2025-05-30 22:38:00] [INFO ] Invariant cache hit.
[2025-05-30 22:38:00] [INFO ] State equation strengthened by 7 read => feed constraints.
[2025-05-30 22:38:00] [INFO ] Implicit Places using invariants and state equation in 243 ms returned []
Implicit Place search using SMT with State Equation took 466 ms to find 0 implicit places.
[2025-05-30 22:38:00] [INFO ] Redundant transitions in 18 ms returned []
Running 303 sub problems to find dead transitions.
[2025-05-30 22:38:00] [INFO ] Flow matrix only has 153 transitions (discarded 175 similar events)
[2025-05-30 22:38:00] [INFO ] Invariant cache hit.
[2025-05-30 22:38:00] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 2 (OVERLAPS) 5/108 variables, 5/20 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 4 (OVERLAPS) 153/261 variables, 108/128 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/261 variables, 7/135 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/261 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 7 (OVERLAPS) 0/261 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 303 unsolved
No progress, stopping.
After SMT solving in domain Real declared 261/261 variables, and 135 constraints, problems are : Problem set: 0 solved, 303 unsolved in 7383 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 108/108 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 303/303 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 303 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 2 (OVERLAPS) 5/108 variables, 5/20 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 4 (OVERLAPS) 153/261 variables, 108/128 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/261 variables, 7/135 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/261 variables, 303/438 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/261 variables, 0/438 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 8 (OVERLAPS) 0/261 variables, 0/438 constraints. Problems are: Problem set: 0 solved, 303 unsolved
No progress, stopping.
After SMT solving in domain Int declared 261/261 variables, and 438 constraints, problems are : Problem set: 0 solved, 303 unsolved in 10820 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 108/108 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 303/303 constraints, Known Traps: 0/0 constraints]
After SMT, in 18439ms problems are : Problem set: 0 solved, 303 unsolved
Search for dead transitions found 0 dead transitions in 18447ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18946 ms. Remains : 108/108 places, 328/328 transitions.
RANDOM walk for 400000 steps (6440 resets) in 2659 ms. (150 steps per ms) remains 1/6 properties
Running SMT prover for 1 properties.
[2025-05-30 22:38:19] [INFO ] Flow matrix only has 153 transitions (discarded 175 similar events)
[2025-05-30 22:38:19] [INFO ] Invariant cache hit.
[2025-05-30 22:38:19] [INFO ] [Real]Absence check using 0 positive and 20 generalized place invariants in 3 ms returned sat
[2025-05-30 22:38:19] [INFO ] After 40ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-05-30 22:38:19] [INFO ] State equation strengthened by 7 read => feed constraints.
[2025-05-30 22:38:19] [INFO ] After 5ms SMT Verify possible using 7 Read/Feed constraints in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-30 22:38:19] [INFO ] After 15ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
[2025-05-30 22:38:19] [INFO ] After 213ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
RANDOM walk for 4000000 steps (64118 resets) in 9765 ms. (409 steps per ms) remains 1/1 properties
BEST_FIRST walk for 4000004 steps (12915 resets) in 2554 ms. (1565 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 4484866 steps, run timeout after 9001 ms. (steps per millisecond=498 ) properties seen :0 out of 1
Probabilistic random walk after 4484866 steps, saw 665863 distinct states, run finished after 9001 ms. (steps per millisecond=498 ) properties seen :0
[2025-05-30 22:38:32] [INFO ] Flow matrix only has 153 transitions (discarded 175 similar events)
[2025-05-30 22:38:32] [INFO ] Invariant cache hit.
[2025-05-30 22:38:32] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 62/68 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/108 variables, 15/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 153/261 variables, 108/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/261 variables, 7/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/261 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/261 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 261/261 variables, and 135 constraints, problems are : Problem set: 0 solved, 1 unsolved in 118 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 108/108 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 62/68 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/108 variables, 15/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 153/261 variables, 108/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/261 variables, 7/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/261 variables, 1/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/261 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 261/261 variables, and 136 constraints, problems are : Problem set: 0 solved, 1 unsolved in 100 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 108/108 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 269ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 12 ms.
Support contains 6 out of 108 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 108/108 places, 328/328 transitions.
Applied a total of 0 rules in 10 ms. Remains 108 /108 variables (removed 0) and now considering 328/328 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 108/108 places, 328/328 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 108/108 places, 328/328 transitions.
Applied a total of 0 rules in 7 ms. Remains 108 /108 variables (removed 0) and now considering 328/328 (removed 0) transitions.
[2025-05-30 22:38:32] [INFO ] Flow matrix only has 153 transitions (discarded 175 similar events)
[2025-05-30 22:38:32] [INFO ] Invariant cache hit.
[2025-05-30 22:38:32] [INFO ] Implicit Places using invariants in 150 ms returned []
[2025-05-30 22:38:32] [INFO ] Flow matrix only has 153 transitions (discarded 175 similar events)
[2025-05-30 22:38:32] [INFO ] Invariant cache hit.
[2025-05-30 22:38:33] [INFO ] State equation strengthened by 7 read => feed constraints.
[2025-05-30 22:38:33] [INFO ] Implicit Places using invariants and state equation in 187 ms returned []
Implicit Place search using SMT with State Equation took 347 ms to find 0 implicit places.
[2025-05-30 22:38:33] [INFO ] Redundant transitions in 9 ms returned []
Running 303 sub problems to find dead transitions.
[2025-05-30 22:38:33] [INFO ] Flow matrix only has 153 transitions (discarded 175 similar events)
[2025-05-30 22:38:33] [INFO ] Invariant cache hit.
[2025-05-30 22:38:33] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 2 (OVERLAPS) 5/108 variables, 5/20 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 4 (OVERLAPS) 153/261 variables, 108/128 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/261 variables, 7/135 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/261 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 7 (OVERLAPS) 0/261 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 303 unsolved
No progress, stopping.
After SMT solving in domain Real declared 261/261 variables, and 135 constraints, problems are : Problem set: 0 solved, 303 unsolved in 6601 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 108/108 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 303/303 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 303 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 2 (OVERLAPS) 5/108 variables, 5/20 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 4 (OVERLAPS) 153/261 variables, 108/128 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/261 variables, 7/135 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/261 variables, 303/438 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/261 variables, 0/438 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 8 (OVERLAPS) 0/261 variables, 0/438 constraints. Problems are: Problem set: 0 solved, 303 unsolved
No progress, stopping.
After SMT solving in domain Int declared 261/261 variables, and 438 constraints, problems are : Problem set: 0 solved, 303 unsolved in 10876 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 108/108 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 303/303 constraints, Known Traps: 0/0 constraints]
After SMT, in 17683ms problems are : Problem set: 0 solved, 303 unsolved
Search for dead transitions found 0 dead transitions in 17686ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18056 ms. Remains : 108/108 places, 328/328 transitions.
RANDOM walk for 400000 steps (6399 resets) in 923 ms. (432 steps per ms) remains 1/6 properties
Running SMT prover for 1 properties.
[2025-05-30 22:38:51] [INFO ] Flow matrix only has 153 transitions (discarded 175 similar events)
[2025-05-30 22:38:51] [INFO ] Invariant cache hit.
[2025-05-30 22:38:51] [INFO ] [Real]Absence check using 0 positive and 20 generalized place invariants in 4 ms returned sat
[2025-05-30 22:38:51] [INFO ] After 33ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-05-30 22:38:51] [INFO ] State equation strengthened by 7 read => feed constraints.
[2025-05-30 22:38:51] [INFO ] After 7ms SMT Verify possible using 7 Read/Feed constraints in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-30 22:38:51] [INFO ] After 22ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
[2025-05-30 22:38:51] [INFO ] After 96ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
RANDOM walk for 90 steps (0 resets) in 5 ms. (15 steps per ms) remains 0/1 properties
RANDOM walk for 102 steps (0 resets) in 8 ms. (11 steps per ms) remains 0/1 properties
RANDOM walk for 107 steps (0 resets) in 9 ms. (10 steps per ms) remains 0/1 properties
RANDOM walk for 139 steps (0 resets) in 4 ms. (27 steps per ms) remains 0/1 properties
RANDOM walk for 122 steps (0 resets) in 8 ms. (13 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (633 resets) in 176 ms. (225 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (96 resets) in 95 ms. (416 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1328139 steps, run timeout after 3001 ms. (steps per millisecond=442 ) properties seen :0 out of 1
Probabilistic random walk after 1328139 steps, saw 223632 distinct states, run finished after 3001 ms. (steps per millisecond=442 ) properties seen :0
[2025-05-30 22:38:54] [INFO ] Flow matrix only has 153 transitions (discarded 175 similar events)
[2025-05-30 22:38:54] [INFO ] Invariant cache hit.
[2025-05-30 22:38:54] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 67/68 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/108 variables, 15/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 153/261 variables, 108/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/261 variables, 7/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/261 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/261 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 261/261 variables, and 135 constraints, problems are : Problem set: 0 solved, 1 unsolved in 84 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 108/108 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 67/68 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/108 variables, 15/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 153/261 variables, 108/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/261 variables, 7/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/261 variables, 1/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/261 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 261/261 variables, and 136 constraints, problems are : Problem set: 0 solved, 1 unsolved in 82 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 108/108 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 171ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 100 steps, including 1 resets, run visited all 1 properties in 1 ms. (steps per millisecond=100 )
Parikh walk visited 1 properties in 6 ms.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 74 edges and 108 vertex of which 35 / 108 are part of one of the 5 SCC in 1 ms
Free SCC test removed 30 places
Drop transitions (Empty/Sink Transition effects.) removed 40 transitions
Ensure Unique test removed 175 transitions
Reduce isomorphic transitions removed 215 transitions.
Ensure Unique test removed 9 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 25 rules applied. Total rules applied 26 place count 69 transition count 97
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 42 place count 53 transition count 97
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 42 place count 53 transition count 89
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 58 place count 45 transition count 89
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 62 place count 41 transition count 85
Iterating global reduction 2 with 4 rules applied. Total rules applied 66 place count 41 transition count 85
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 70 place count 37 transition count 65
Iterating global reduction 2 with 4 rules applied. Total rules applied 74 place count 37 transition count 65
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 78 place count 37 transition count 61
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 3 with 2 rules applied. Total rules applied 80 place count 36 transition count 60
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 3 with 10 rules applied. Total rules applied 90 place count 36 transition count 50
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 90 place count 36 transition count 45
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 100 place count 31 transition count 45
Applied a total of 100 rules in 11 ms. Remains 31 /108 variables (removed 77) and now considering 45/328 (removed 283) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 45 rows 31 cols
[2025-05-30 22:38:54] [INFO ] Computed 11 invariants in 1 ms
[2025-05-30 22:38:54] [INFO ] [Real]Absence check using 0 positive and 11 generalized place invariants in 2 ms returned sat
[2025-05-30 22:38:54] [INFO ] After 12ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-30 22:38:54] [INFO ] After 16ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:1
[2025-05-30 22:38:54] [INFO ] After 44ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-05-30 22:38:54] [INFO ] [Nat]Absence check using 0 positive and 11 generalized place invariants in 2 ms returned sat
[2025-05-30 22:38:54] [INFO ] After 12ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-30 22:38:54] [INFO ] After 16ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-30 22:38:54] [INFO ] After 45ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 103 ms.
Unable to solve all queries for examination QuasiLiveness. Remains :1 assertions to prove.
No /home/mcc/execution/QuasiLiveness.xml examination file found. Proceeding without properties.
Parsed 1 properties from file /home/mcc/execution/QuasiLiveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 131244 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running CloudDeployment-PT-5a

IS_COLORED=
IS_NUPN=1

LOADING model.pnml ...
MODEL CLASS: P/T NET WITH NUPN EXTENSION
PLACES: 180
TRANSITIONS: 675
CONSTANTS: 0
TEMPLATE VARS: 0
ARCS: 3959
NUPN UNITS: 23
LOADING TIME: 0.408

SAVING AS /home/mcc/execution/model.(net/def) ...
exportGspn useExt=true
SAVING TIME: 0.038
SAVING NAME MAP FILE /home/mcc/execution/model.id2name ...
SAVING NUPN UNITS AS FILE /home/mcc/execution/model.nu ...
TOTAL TIME: 0.684
OK.
----------------------------------------------------------------------
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: 615
MODEL NAME: /home/mcc/execution/model
180 places, 675 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 QuasiLiveness TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1748644738916

--------------------
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="CloudDeployment-PT-5a"
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 CloudDeployment-PT-5a, 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 r056-tall-174854041500032"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-5a.tgz
mv CloudDeployment-PT-5a 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 ;