Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r128-smll-174876524200231.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)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is MedleyA-PT-17, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r128-smll-174876524200231
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 668K
-rw-r--r-- 1 mcc users 7.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K 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 2.2K 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 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 133K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 103K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K 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 175K 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

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME MedleyA-PT-17-ReachabilityFireability-2025-00
FORMULA_NAME MedleyA-PT-17-ReachabilityFireability-2025-01
FORMULA_NAME MedleyA-PT-17-ReachabilityFireability-2025-02
FORMULA_NAME MedleyA-PT-17-ReachabilityFireability-2025-03
FORMULA_NAME MedleyA-PT-17-ReachabilityFireability-2025-04
FORMULA_NAME MedleyA-PT-17-ReachabilityFireability-2025-05
FORMULA_NAME MedleyA-PT-17-ReachabilityFireability-2025-06
FORMULA_NAME MedleyA-PT-17-ReachabilityFireability-2025-07
FORMULA_NAME MedleyA-PT-17-ReachabilityFireability-2025-08
FORMULA_NAME MedleyA-PT-17-ReachabilityFireability-2025-09
FORMULA_NAME MedleyA-PT-17-ReachabilityFireability-2025-10
FORMULA_NAME MedleyA-PT-17-ReachabilityFireability-2025-11
FORMULA_NAME MedleyA-PT-17-ReachabilityFireability-2025-12
FORMULA_NAME MedleyA-PT-17-ReachabilityFireability-2025-13
FORMULA_NAME MedleyA-PT-17-ReachabilityFireability-2025-14
FORMULA_NAME MedleyA-PT-17-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748876078391

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=MedleyA-PT-17
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-06-02 14:54:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-02 14:54:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 14:54:41] [INFO ] Load time of PNML (sax parser for PT used): 196 ms
[2025-06-02 14:54:41] [INFO ] Transformed 248 places.
[2025-06-02 14:54:41] [INFO ] Transformed 591 transitions.
[2025-06-02 14:54:41] [INFO ] Found NUPN structural information;
[2025-06-02 14:54:41] [INFO ] Parsed PT model containing 248 places and 591 transitions and 2764 arcs in 450 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 29 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 2 transitions
Reduce redundant transitions removed 2 transitions.
FORMULA MedleyA-PT-17-ReachabilityFireability-2025-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (1376 resets) in 2847 ms. (14 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (30 resets) in 130 ms. (30 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (28 resets) in 61 ms. (64 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (27 resets) in 137 ms. (29 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (26 resets) in 122 ms. (32 steps per ms) remains 15/15 properties
[2025-06-02 14:54:42] [INFO ] Flatten gal took : 331 ms
BEST_FIRST walk for 4004 steps (31 resets) in 127 ms. (31 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (28 resets) in 33 ms. (117 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (25 resets) in 67 ms. (58 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (29 resets) in 38 ms. (102 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (28 resets) in 27 ms. (143 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (28 resets) in 20 ms. (190 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (27 resets) in 62 ms. (63 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (29 resets) in 134 ms. (29 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (28 resets) in 130 ms. (30 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (28 resets) in 46 ms. (85 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (25 resets) in 83 ms. (47 steps per ms) remains 15/15 properties
[2025-06-02 14:54:42] [INFO ] Flatten gal took : 221 ms
[2025-06-02 14:54:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10348367887969478316.gal : 183 ms
[2025-06-02 14:54:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4553127770497974352.prop : 24 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10348367887969478316.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4553127770497974352.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality4553127770497974352.prop.
SDD proceeding with computation,15 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,15 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,15 properties remain. new max is 16
SDD size :4 after 46
SDD proceeding with computation,15 properties remain. new max is 32
SDD size :46 after 222
SDD proceeding with computation,15 properties remain. new max is 64
SDD size :222 after 665
SDD proceeding with computation,15 properties remain. new max is 128
SDD size :665 after 945
SDD proceeding with computation,15 properties remain. new max is 256
SDD size :945 after 973
SDD proceeding with computation,15 properties remain. new max is 512
SDD size :973 after 30845
Reachability property MedleyA-PT-17-ReachabilityFireability-2025-03 is true.
FORMULA MedleyA-PT-17-ReachabilityFireability-2025-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property MedleyA-PT-17-ReachabilityFireability-2025-02 is true.
FORMULA MedleyA-PT-17-ReachabilityFireability-2025-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,13 properties remain. new max is 512
SDD size :30845 after 31866
SDD proceeding with computation,13 properties remain. new max is 1024
SDD size :31866 after 34383
SDD proceeding with computation,13 properties remain. new max is 2048
SDD size :34383 after 36862
Interrupted probabilistic random walk after 405849 steps, run timeout after 3001 ms. (steps per millisecond=135 ) properties seen :7 out of 15
Probabilistic random walk after 405849 steps, saw 74605 distinct states, run finished after 3009 ms. (steps per millisecond=134 ) properties seen :7
FORMULA MedleyA-PT-17-ReachabilityFireability-2025-14 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA MedleyA-PT-17-ReachabilityFireability-2025-13 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA MedleyA-PT-17-ReachabilityFireability-2025-12 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA MedleyA-PT-17-ReachabilityFireability-2025-10 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA MedleyA-PT-17-ReachabilityFireability-2025-07 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA MedleyA-PT-17-ReachabilityFireability-2025-01 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
// Phase 1: matrix 589 rows 248 cols
[2025-06-02 14:54:46] [INFO ] Computed 7 invariants in 29 ms
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 112/112 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/112 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem MedleyA-PT-17-ReachabilityFireability-2025-04 is UNSAT
FORMULA MedleyA-PT-17-ReachabilityFireability-2025-04 FALSE TECHNIQUES SMT_REFINEMENT
Problem MedleyA-PT-17-ReachabilityFireability-2025-06 is UNSAT
FORMULA MedleyA-PT-17-ReachabilityFireability-2025-06 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 136/248 variables, 7/119 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/248 variables, 136/255 constraints. Problems are: Problem set: 2 solved, 5 unsolved
Reachability property MedleyA-PT-17-ReachabilityFireability-2025-07 is true.
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/255 constraints. Problems are: Problem set: 2 solved, 5 unsolved
SDD proceeding with computation,12 properties remain. new max is 2048
SDD size :36862 after 43463
At refinement iteration 5 (OVERLAPS) 589/837 variables, 248/503 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/837 variables, 0/503 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/837 variables, 0/503 constraints. Problems are: Problem set: 2 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 837/837 variables, and 503 constraints, problems are : Problem set: 2 solved, 5 unsolved in 1396 ms.
Refiners :[Domain max(s): 248/248 constraints, Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 248/248 constraints, PredecessorRefiner: 7/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 5 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 92/92 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/92 constraints. Problems are: Problem set: 2 solved, 5 unsolved
Problem MedleyA-PT-17-ReachabilityFireability-2025-00 is UNSAT
FORMULA MedleyA-PT-17-ReachabilityFireability-2025-00 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 156/248 variables, 7/99 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/248 variables, 156/255 constraints. Problems are: Problem set: 3 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :43463 after 45496
[2025-06-02 14:54:47] [INFO ] Deduced a trap composed of 19 places in 224 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:54:48] [INFO ] Deduced a trap composed of 45 places in 267 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:54:48] [INFO ] Deduced a trap composed of 43 places in 373 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:54:49] [INFO ] Deduced a trap composed of 42 places in 308 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:54:49] [INFO ] Deduced a trap composed of 26 places in 252 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:54:49] [INFO ] Deduced a trap composed of 19 places in 62 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 6/261 constraints. Problems are: Problem set: 3 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:54:49] [INFO ] Deduced a trap composed of 28 places in 149 ms of which 15 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/248 variables, 1/262 constraints. Problems are: Problem set: 3 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:54:49] [INFO ] Deduced a trap composed of 19 places in 105 ms of which 10 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/248 variables, 1/263 constraints. Problems are: Problem set: 3 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Invariant property MedleyA-PT-17-ReachabilityFireability-2025-13 does not hold.
[2025-06-02 14:54:50] [INFO ] Deduced a trap composed of 48 places in 261 ms of which 32 ms to minimize.
Invariant property MedleyA-PT-17-ReachabilityFireability-2025-12 does not hold.
At refinement iteration 7 (INCLUDED_ONLY) 0/248 variables, 1/264 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/248 variables, 0/264 constraints. Problems are: Problem set: 3 solved, 4 unsolved
Problem MedleyA-PT-17-ReachabilityFireability-2025-09 is UNSAT
FORMULA MedleyA-PT-17-ReachabilityFireability-2025-09 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 9 (OVERLAPS) 589/837 variables, 248/512 constraints. Problems are: Problem set: 4 solved, 3 unsolved
Invariant property MedleyA-PT-17-ReachabilityFireability-2025-10 does not hold.
At refinement iteration 10 (INCLUDED_ONLY) 0/837 variables, 2/514 constraints. Problems are: Problem set: 4 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:54:51] [INFO ] Deduced a trap composed of 21 places in 255 ms of which 19 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/837 variables, 1/515 constraints. Problems are: Problem set: 4 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 837/837 variables, and 515 constraints, problems are : Problem set: 4 solved, 3 unsolved in 5011 ms.
Refiners :[Domain max(s): 248/248 constraints, Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 248/248 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6596ms problems are : Problem set: 4 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 72 out of 248 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 248/248 places, 589/589 transitions.
Graph (trivial) has 124 edges and 248 vertex of which 6 / 248 are part of one of the 2 SCC in 13 ms
Free SCC test removed 4 places
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 24 transitions
Trivial Post-agglo rules discarded 24 transitions
Performed 24 trivial Post agglomeration. Transition count delta: 24
Iterating post reduction 0 with 24 rules applied. Total rules applied 25 place count 244 transition count 559
Reduce places removed 24 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 27 rules applied. Total rules applied 52 place count 220 transition count 556
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 54 place count 218 transition count 556
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 10 Pre rules applied. Total rules applied 54 place count 218 transition count 546
Deduced a syphon composed of 10 places in 12 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 74 place count 208 transition count 546
Discarding 32 places :
Symmetric choice reduction at 3 with 32 rule applications. Total rules 106 place count 176 transition count 488
Iterating global reduction 3 with 32 rules applied. Total rules applied 138 place count 176 transition count 488
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 3 with 16 rules applied. Total rules applied 154 place count 176 transition count 472
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 154 place count 176 transition count 471
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 156 place count 175 transition count 471
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 157 place count 174 transition count 469
Iterating global reduction 4 with 1 rules applied. Total rules applied 158 place count 174 transition count 469
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 2 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 4 with 18 rules applied. Total rules applied 176 place count 165 transition count 460
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -8
Deduced a syphon composed of 6 places in 2 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 4 with 12 rules applied. Total rules applied 188 place count 159 transition count 468
Drop transitions (Redundant composition of simpler transitions.) removed 30 transitions
Redundant transition composition rules discarded 30 transitions
Iterating global reduction 4 with 30 rules applied. Total rules applied 218 place count 159 transition count 438
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 222 place count 155 transition count 434
Iterating global reduction 4 with 4 rules applied. Total rules applied 226 place count 155 transition count 434
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 228 place count 154 transition count 433
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -32
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 236 place count 150 transition count 465
Free-agglomeration rule applied 10 times.
Iterating global reduction 4 with 10 rules applied. Total rules applied 246 place count 150 transition count 455
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 4 with 10 rules applied. Total rules applied 256 place count 140 transition count 455
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 257 place count 140 transition count 454
Free-agglomeration rule (complex) applied 4 times.
Iterating global reduction 5 with 4 rules applied. Total rules applied 261 place count 140 transition count 471
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 265 place count 136 transition count 471
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 266 place count 135 transition count 466
Iterating global reduction 6 with 1 rules applied. Total rules applied 267 place count 135 transition count 466
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 268 place count 135 transition count 466
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 269 place count 134 transition count 465
Reachability property MedleyA-PT-17-ReachabilityFireability-2025-05 is true.
FORMULA MedleyA-PT-17-ReachabilityFireability-2025-05 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property MedleyA-PT-17-ReachabilityFireability-2025-01 is true.
Applied a total of 269 rules in 579 ms. Remains 134 /248 variables (removed 114) and now considering 465/589 (removed 124) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 601 ms. Remains : 134/248 places, 465/589 transitions.
RANDOM walk for 40000 steps (2850 resets) in 516 ms. (77 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (604 resets) in 110 ms. (360 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (663 resets) in 372 ms. (107 steps per ms) remains 2/2 properties
SDD proceeding with computation,7 properties remain. new max is 4096
SDD size :45496 after 228136
Interrupted probabilistic random walk after 769120 steps, run timeout after 3001 ms. (steps per millisecond=256 ) properties seen :0 out of 2
Probabilistic random walk after 769120 steps, saw 133130 distinct states, run finished after 3001 ms. (steps per millisecond=256 ) properties seen :0
[2025-06-02 14:54:56] [INFO ] Flow matrix only has 451 transitions (discarded 14 similar events)
// Phase 1: matrix 451 rows 134 cols
[2025-06-02 14:54:56] [INFO ] Computed 7 invariants in 6 ms
[2025-06-02 14:54:56] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 63/134 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/134 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 451/585 variables, 134/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/585 variables, 15/156 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/585 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/585 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 585/585 variables, and 156 constraints, problems are : Problem set: 0 solved, 2 unsolved in 306 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 134/134 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 63/134 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:54:57] [INFO ] Deduced a trap composed of 13 places in 165 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:54:57] [INFO ] Deduced a trap composed of 13 places in 98 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:54:57] [INFO ] Deduced a trap composed of 13 places in 74 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:54:57] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/134 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/134 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 451/585 variables, 134/145 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/585 variables, 15/160 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/585 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/585 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/585 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 585/585 variables, and 161 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1000 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 134/134 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1333ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 316 ms.
Support contains 71 out of 134 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 134/134 places, 465/465 transitions.
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 134 transition count 464
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 133 transition count 464
Applied a total of 2 rules in 29 ms. Remains 133 /134 variables (removed 1) and now considering 464/465 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 133/134 places, 464/465 transitions.
RANDOM walk for 40000 steps (2855 resets) in 248 ms. (160 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (609 resets) in 78 ms. (506 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (657 resets) in 375 ms. (106 steps per ms) remains 2/2 properties
SDD proceeding with computation,7 properties remain. new max is 8192
SDD size :228136 after 271630
Interrupted probabilistic random walk after 763331 steps, run timeout after 3001 ms. (steps per millisecond=254 ) properties seen :0 out of 2
Probabilistic random walk after 763331 steps, saw 134965 distinct states, run finished after 3001 ms. (steps per millisecond=254 ) properties seen :0
[2025-06-02 14:55:01] [INFO ] Flow matrix only has 450 transitions (discarded 14 similar events)
// Phase 1: matrix 450 rows 133 cols
[2025-06-02 14:55:01] [INFO ] Computed 7 invariants in 3 ms
[2025-06-02 14:55:01] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 62/133 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/133 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 450/583 variables, 133/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/583 variables, 15/155 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/583 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/583 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 583/583 variables, and 155 constraints, problems are : Problem set: 0 solved, 2 unsolved in 332 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 133/133 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 62/133 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:01] [INFO ] Deduced a trap composed of 13 places in 154 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:02] [INFO ] Deduced a trap composed of 16 places in 150 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:02] [INFO ] Deduced a trap composed of 13 places in 74 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/133 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:02] [INFO ] Deduced a trap composed of 13 places in 154 ms of which 13 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/133 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 450/583 variables, 133/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/583 variables, 15/159 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/583 variables, 1/160 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/583 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/583 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 583/583 variables, and 160 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1322 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 133/133 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1672ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 811 ms.
Support contains 71 out of 133 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 133/133 places, 464/464 transitions.
Applied a total of 0 rules in 11 ms. Remains 133 /133 variables (removed 0) and now considering 464/464 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 133/133 places, 464/464 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 133/133 places, 464/464 transitions.
Applied a total of 0 rules in 10 ms. Remains 133 /133 variables (removed 0) and now considering 464/464 (removed 0) transitions.
[2025-06-02 14:55:03] [INFO ] Flow matrix only has 450 transitions (discarded 14 similar events)
[2025-06-02 14:55:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:55:03] [INFO ] Implicit Places using invariants in 70 ms returned []
[2025-06-02 14:55:03] [INFO ] Flow matrix only has 450 transitions (discarded 14 similar events)
[2025-06-02 14:55:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:55:04] [INFO ] State equation strengthened by 15 read => feed constraints.
[2025-06-02 14:55:04] [INFO ] Implicit Places using invariants and state equation in 235 ms returned []
Implicit Place search using SMT with State Equation took 319 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 14:55:04] [INFO ] Redundant transitions in 31 ms returned []
Running 462 sub problems to find dead transitions.
[2025-06-02 14:55:04] [INFO ] Flow matrix only has 450 transitions (discarded 14 similar events)
[2025-06-02 14:55:04] [INFO ] Invariant cache hit.
[2025-06-02 14:55:04] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/131 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 462 unsolved
At refinement iteration 1 (OVERLAPS) 2/133 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 462 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:09] [INFO ] Deduced a trap composed of 12 places in 95 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:09] [INFO ] Deduced a trap composed of 13 places in 102 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:09] [INFO ] Deduced a trap composed of 18 places in 130 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:10] [INFO ] Deduced a trap composed of 13 places in 73 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:10] [INFO ] Deduced a trap composed of 16 places in 124 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:10] [INFO ] Deduced a trap composed of 15 places in 164 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:10] [INFO ] Deduced a trap composed of 16 places in 154 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:10] [INFO ] Deduced a trap composed of 9 places in 130 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:10] [INFO ] Deduced a trap composed of 10 places in 148 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:11] [INFO ] Deduced a trap composed of 11 places in 152 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:11] [INFO ] Deduced a trap composed of 11 places in 150 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:11] [INFO ] Deduced a trap composed of 11 places in 156 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:11] [INFO ] Deduced a trap composed of 12 places in 198 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:11] [INFO ] Deduced a trap composed of 18 places in 165 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:11] [INFO ] Deduced a trap composed of 18 places in 160 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:12] [INFO ] Deduced a trap composed of 24 places in 133 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:12] [INFO ] Deduced a trap composed of 71 places in 163 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:12] [INFO ] Deduced a trap composed of 13 places in 164 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:12] [INFO ] Deduced a trap composed of 22 places in 146 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:13] [INFO ] Deduced a trap composed of 37 places in 148 ms of which 15 ms to minimize.
Problem TDEAD409 is UNSAT
Problem TDEAD410 is UNSAT
Problem TDEAD411 is UNSAT
Problem TDEAD412 is UNSAT
Problem TDEAD413 is UNSAT
Problem TDEAD414 is UNSAT
Problem TDEAD415 is UNSAT
Problem TDEAD416 is UNSAT
Problem TDEAD417 is UNSAT
Problem TDEAD418 is UNSAT
Problem TDEAD419 is UNSAT
Problem TDEAD420 is UNSAT
Problem TDEAD421 is UNSAT
Problem TDEAD422 is UNSAT
Problem TDEAD423 is UNSAT
Problem TDEAD424 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/133 variables, 20/27 constraints. Problems are: Problem set: 16 solved, 446 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:13] [INFO ] Deduced a trap composed of 34 places in 155 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:13] [INFO ] Deduced a trap composed of 19 places in 132 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:14] [INFO ] Deduced a trap composed of 20 places in 161 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:14] [INFO ] Deduced a trap composed of 20 places in 159 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:14] [INFO ] Deduced a trap composed of 20 places in 166 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:15] [INFO ] Deduced a trap composed of 32 places in 135 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:15] [INFO ] Deduced a trap composed of 27 places in 156 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Reachability property MedleyA-PT-17-ReachabilityFireability-2025-08 is true.
FORMULA MedleyA-PT-17-ReachabilityFireability-2025-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
[2025-06-02 14:55:15] [INFO ] Deduced a trap composed of 27 places in 163 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:15] [INFO ] Deduced a trap composed of 64 places in 114 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:15] [INFO ] Deduced a trap composed of 32 places in 119 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:16] [INFO ] Deduced a trap composed of 39 places in 126 ms of which 13 ms to minimize.
SDD proceeding with computation,6 properties remain. new max is 8192
SDD size :271630 after 410670
At refinement iteration 3 (INCLUDED_ONLY) 0/133 variables, 11/38 constraints. Problems are: Problem set: 16 solved, 446 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 0/38 constraints. Problems are: Problem set: 16 solved, 446 unsolved
At refinement iteration 5 (OVERLAPS) 450/583 variables, 133/171 constraints. Problems are: Problem set: 16 solved, 446 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/583 variables, 15/186 constraints. Problems are: Problem set: 16 solved, 446 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:55:30] [INFO ] Deduced a trap composed of 31 places in 220 ms of which 21 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/583 variables, 1/187 constraints. Problems are: Problem set: 16 solved, 446 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 583/583 variables, and 187 constraints, problems are : Problem set: 16 solved, 446 unsolved in 30074 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 133/133 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 462/462 constraints, Known Traps: 32/32 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 16 solved, 446 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/131 variables, 0/0 constraints. Problems are: Problem set: 16 solved, 446 unsolved
At refinement iteration 1 (OVERLAPS) 2/133 variables, 7/7 constraints. Problems are: Problem set: 16 solved, 446 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/133 variables, 32/39 constraints. Problems are: Problem set: 16 solved, 446 unsolved
Invariant property MedleyA-PT-17-ReachabilityFireability-2025-11 does not hold.
FORMULA MedleyA-PT-17-ReachabilityFireability-2025-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
At refinement iteration 3 (INCLUDED_ONLY) 0/133 variables, 0/39 constraints. Problems are: Problem set: 16 solved, 446 unsolved
SDD proceeding with computation,5 properties remain. new max is 8192
SDD size :410670 after 507458
Problem TDEAD141 is UNSAT
Problem TDEAD142 is UNSAT
Problem TDEAD144 is UNSAT
Problem TDEAD147 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD151 is UNSAT
Problem TDEAD152 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD159 is UNSAT
Problem TDEAD161 is UNSAT
Problem TDEAD162 is UNSAT
Problem TDEAD165 is UNSAT
Problem TDEAD166 is UNSAT
Problem TDEAD169 is UNSAT
Problem TDEAD170 is UNSAT
Problem TDEAD172 is UNSAT
Problem TDEAD175 is UNSAT
Problem TDEAD177 is UNSAT
Problem TDEAD178 is UNSAT
Problem TDEAD181 is UNSAT
Problem TDEAD182 is UNSAT
Problem TDEAD185 is UNSAT
Problem TDEAD186 is UNSAT
Problem TDEAD262 is UNSAT
Problem TDEAD263 is UNSAT
Problem TDEAD265 is UNSAT
Problem TDEAD268 is UNSAT
Problem TDEAD269 is UNSAT
Problem TDEAD272 is UNSAT
Problem TDEAD273 is UNSAT
Problem TDEAD276 is UNSAT
Problem TDEAD278 is UNSAT
Problem TDEAD279 is UNSAT
Problem TDEAD282 is UNSAT
Problem TDEAD283 is UNSAT
Problem TDEAD285 is UNSAT
Problem TDEAD288 is UNSAT
Problem TDEAD290 is UNSAT
Problem TDEAD291 is UNSAT
Problem TDEAD294 is UNSAT
Problem TDEAD295 is UNSAT
Problem TDEAD380 is UNSAT
Problem TDEAD383 is UNSAT
Problem TDEAD385 is UNSAT
Problem TDEAD386 is UNSAT
Problem TDEAD389 is UNSAT
Problem TDEAD390 is UNSAT
Problem TDEAD393 is UNSAT
Problem TDEAD394 is UNSAT
At refinement iteration 4 (OVERLAPS) 450/583 variables, 133/172 constraints. Problems are: Problem set: 66 solved, 396 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/583 variables, 15/187 constraints. Problems are: Problem set: 66 solved, 396 unsolved
SDD proceeding with computation,5 properties remain. new max is 16384
SDD size :507458 after 605840
SDD proceeding with computation,5 properties remain. new max is 32768
SDD size :605840 after 669189
At refinement iteration 6 (INCLUDED_ONLY) 0/583 variables, 396/583 constraints. Problems are: Problem set: 66 solved, 396 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 583/583 variables, and 583 constraints, problems are : Problem set: 66 solved, 396 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 133/133 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 396/462 constraints, Known Traps: 32/32 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60585ms problems are : Problem set: 66 solved, 396 unsolved
Search for dead transitions found 66 dead transitions in 60591ms
Found 66 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 66 transitions
Dead transitions reduction (with SMT) removed 66 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 133/133 places, 398/464 transitions.
Applied a total of 0 rules in 12 ms. Remains 133 /133 variables (removed 0) and now considering 398/398 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 14:56:04] [INFO ] Redundant transitions in 9 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 60997 ms. Remains : 133/133 places, 398/464 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 84040 ms.

BK_STOP 1748876165059

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="MedleyA-PT-17"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
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 2-5832"
echo " Executing tool itstools"
echo " Input is MedleyA-PT-17, 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 r128-smll-174876524200231"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MedleyA-PT-17.tgz
mv MedleyA-PT-17 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.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 ;