Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r112-tall-177955701200502.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool gold2025
Input is DNAwalker-PT-08ringLL, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r112-tall-177955701200502
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 576K
-rw-r--r-- 1 mcc users 7.2K Mar 6 15:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Mar 6 15:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 6 15:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 6 15:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 15:58 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 119K Mar 6 15:58 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.4K Mar 6 15:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Mar 6 15:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 09:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:33 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 9 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 112K Mar 3 18:30 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 1779630786013

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DNAwalker-PT-08ringLL
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-24 13:53:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-24 13:53:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 13:53:07] [INFO ] Load time of PNML (sax parser for PT used): 76 ms
[2026-05-24 13:53:07] [INFO ] Transformed 27 places.
[2026-05-24 13:53:07] [INFO ] Transformed 260 transitions.
[2026-05-24 13:53:07] [INFO ] Parsed PT model containing 27 places and 260 transitions and 760 arcs in 165 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 7 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
Running 234 sub problems to find dead transitions.
[2026-05-24 13:53:07] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
// Phase 1: matrix 259 rows 27 cols
[2026-05-24 13:53:07] [INFO ] Computed 0 invariants in 6 ms
[2026-05-24 13:53:07] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 285/286 variables, and 98 constraints, problems are : Problem set: 0 solved, 234 unsolved in 20061 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 71/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 234/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/273 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 12/285 variables, 6/332 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/286 variables, and 332 constraints, problems are : Problem set: 0 solved, 234 unsolved in 20022 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 71/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40298ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 40317ms
[2026-05-24 13:53:47] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2026-05-24 13:53:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:53:48] [INFO ] Implicit Places using invariants in 44 ms returned []
[2026-05-24 13:53:48] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2026-05-24 13:53:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:53:48] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-24 13:53:48] [INFO ] Implicit Places using invariants and state equation in 463 ms returned []
Implicit Place search using SMT with State Equation took 525 ms to find 0 implicit places.
Running 234 sub problems to find dead transitions.
[2026-05-24 13:53:48] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2026-05-24 13:53:48] [INFO ] Invariant cache hit.
[2026-05-24 13:53:48] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/285 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 1/286 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 286/286 variables, and 99 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30029 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 234/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/273 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 12/285 variables, 6/332 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/286 variables, and 332 constraints, problems are : Problem set: 0 solved, 234 unsolved in 30022 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 71/72 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60153ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 60154ms
Finished structural reductions in LIVENESS mode , in 1 iterations and 101050 ms. Remains : 27/27 places, 260/260 transitions.
Discarding 6 transitions out of 260. Remains 254
Initial state reduction rules removed 20 formulas.
[2026-05-24 13:54:49] [INFO ] Flatten gal took : 81 ms
[2026-05-24 13:54:49] [INFO ] Flatten gal took : 27 ms
[2026-05-24 13:54:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality622357611931554545.gal : 24 ms
[2026-05-24 13:54:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13191417450028783540.prop : 7 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/ReachabilityCardinality622357611931554545.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13191417450028783540.prop' '--nowitness' '--gen-order' 'FOLLOW'

RANDOM walk for 40000 steps (3213 resets) in 2138 ms. (18 steps per ms) remains 18/234 properties
BEST_FIRST walk for 4004 steps (16 resets) in 31 ms. (125 steps per ms) remains 18/18 properties
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 ...328
BEST_FIRST walk for 4003 steps (17 resets) in 43 ms. (90 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (18 resets) in 28 ms. (138 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (19 resets) in 25 ms. (154 steps per ms) remains 18/18 properties
Loading property file /tmp/ReachabilityCardinality13191417450028783540.prop.
BEST_FIRST walk for 4004 steps (19 resets) in 27 ms. (143 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (18 resets) in 22 ms. (174 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (20 resets) in 16 ms. (235 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (20 resets) in 11 ms. (333 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (20 resets) in 20 ms. (190 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (19 resets) in 17 ms. (222 steps per ms) remains 18/18 properties
Reachability property qltransition_15 is true.
SDD proceeding with computation,233 properties remain. new max is 2
SDD size :1 after 12
SDD proceeding with computation,233 properties remain. new max is 4
SDD size :12 after 24
Reachability property qltransition_258 is true.
Reachability property qltransition_121 is true.
Reachability property qltransition_120 is true.
Reachability property qltransition_119 is true.
Reachability property qltransition_118 is true.
Reachability property qltransition_117 is true.
Reachability property qltransition_116 is true.
Reachability property qltransition_115 is true.
Reachability property qltransition_114 is true.
Reachability property qltransition_110 is true.
Reachability property qltransition_109 is true.
Reachability property qltransition_108 is true.
BEST_FIRST walk for 4004 steps (18 resets) in 14 ms. (266 steps per ms) remains 18/18 properties
Reachability property qltransition_107 is true.
Reachability property qltransition_106 is true.
Reachability property qltransition_105 is true.
Reachability property qltransition_104 is true.
Reachability property qltransition_103 is true.
Reachability property qltransition_101 is true.
Reachability property qltransition_98 is true.
Reachability property qltransition_97 is true.
Reachability property qltransition_96 is true.
Reachability property qltransition_95 is true.
Reachability property qltransition_94 is true.
Reachability property qltransition_93 is true.
Reachability property qltransition_92 is true.
Reachability property qltransition_90 is true.
Reachability property qltransition_87 is true.
Reachability property qltransition_86 is true.
Reachability property qltransition_85 is true.
Reachability property qltransition_84 is true.
Reachability property qltransition_83 is true.
Reachability property qltransition_82 is true.
Reachability property qltransition_81 is true.
Reachability property qltransition_79 is true.
Reachability property qltransition_64 is true.
Reachability property qltransition_63 is true.
Reachability property qltransition_62 is true.
Reachability property qltransition_61 is true.
Reachability property qltransition_60 is true.
Reachability property qltransition_59 is true.
Reachability property qltransition_58 is true.
Reachability property qltransition_57 is true.
Reachability property qltransition_56 is true.
Reachability property qltransition_55 is true.
Reachability property qltransition_13 is true.
SDD proceeding with computation,188 properties remain. new max is 4
SDD size :24 after 236
BEST_FIRST walk for 4004 steps (19 resets) in 14 ms. (266 steps per ms) remains 18/18 properties
SDD proceeding with computation,188 properties remain. new max is 8
SDD size :236 after 612
SDD proceeding with computation,188 properties remain. new max is 16
SDD size :612 after 864
BEST_FIRST walk for 4003 steps (17 resets) in 15 ms. (250 steps per ms) remains 18/18 properties
Reachability property qltransition_131 is true.
Reachability property qltransition_130 is true.
Reachability property qltransition_129 is true.
Reachability property qltransition_128 is true.
Reachability property qltransition_127 is true.
Reachability property qltransition_126 is true.
Reachability property qltransition_125 is true.
Reachability property qltransition_102 is true.
Reachability property qltransition_91 is true.
Reachability property qltransition_80 is true.
Reachability property qltransition_76 is true.
Reachability property qltransition_75 is true.
BEST_FIRST walk for 4003 steps (18 resets) in 16 ms. (235 steps per ms) remains 18/18 properties
Reachability property qltransition_74 is true.
Reachability property qltransition_73 is true.
Reachability property qltransition_72 is true.
Reachability property qltransition_71 is true.
Reachability property qltransition_70 is true.
Reachability property qltransition_69 is true.
Reachability property qltransition_68 is true.
Reachability property qltransition_67 is true.
BEST_FIRST walk for 4003 steps (18 resets) in 15 ms. (250 steps per ms) remains 18/18 properties
Reachability property qltransition_54 is true.
Reachability property qltransition_14 is true.
SDD proceeding with computation,166 properties remain. new max is 16
SDD size :864 after 3238
BEST_FIRST walk for 4002 steps (18 resets) in 13 ms. (285 steps per ms) remains 18/18 properties
Reachability property qltransition_144 is true.
Reachability property qltransition_141 is true.
Reachability property qltransition_140 is true.
Reachability property qltransition_139 is true.
Reachability property qltransition_138 is true.
Reachability property qltransition_137 is true.
Reachability property qltransition_136 is true.
Reachability property qltransition_135 is true.
Reachability property qltransition_124 is true.
Reachability property qltransition_113 is true.
Reachability property qltransition_100 is true.
BEST_FIRST walk for 4003 steps (19 resets) in 12 ms. (307 steps per ms) remains 18/18 properties
Reachability property qltransition_89 is true.
Reachability property qltransition_78 is true.
Reachability property qltransition_66 is true.
Reachability property qltransition_53 is true.
Reachability property qltransition_51 is true.
Reachability property qltransition_50 is true.
Reachability property qltransition_49 is true.
Reachability property qltransition_48 is true.
Reachability property qltransition_47 is true.
Reachability property qltransition_46 is true.
Reachability property qltransition_43 is true.
Reachability property qltransition_42 is true.
Reachability property qltransition_41 is true.
Reachability property qltransition_40 is true.
BEST_FIRST walk for 4003 steps (20 resets) in 11 ms. (333 steps per ms) remains 18/18 properties
Reachability property qltransition_39 is true.
[2026-05-24 13:54:49] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2026-05-24 13:54:49] [INFO ] Invariant cache hit.
Reachability property qltransition_38 is true.
Reachability property qltransition_37 is true.
Reachability property qltransition_36 is true.
Reachability property qltransition_35 is true.
Reachability property qltransition_34 is true.
Reachability property qltransition_33 is true.
Reachability property qltransition_12 is true.
SDD proceeding with computation,133 properties remain. new max is 16
SDD size :3238 after 10506
[2026-05-24 13:54:49] [INFO ] State equation strengthened by 72 read => feed constraints.
SDD proceeding with computation,133 properties remain. new max is 32
SDD size :10506 after 10898
SDD proceeding with computation,133 properties remain. new max is 64
SDD size :10898 after 11274
SDD proceeding with computation,133 properties remain. new max is 128
SDD size :11274 after 11802
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Reachability property qltransition_257 is true.
Reachability property qltransition_256 is true.
Reachability property qltransition_255 is true.
Reachability property qltransition_254 is true.
Reachability property qltransition_253 is true.
Reachability property qltransition_252 is true.
Reachability property qltransition_251 is true.
Reachability property qltransition_250 is true.
Reachability property qltransition_249 is true.
Reachability property qltransition_248 is true.
Reachability property qltransition_177 is true.
Reachability property qltransition_176 is true.
Reachability property qltransition_175 is true.
Reachability property qltransition_174 is true.
Reachability property qltransition_173 is true.
Reachability property qltransition_172 is true.
Reachability property qltransition_169 is true.
Reachability property qltransition_168 is true.
Reachability property qltransition_167 is true.
Reachability property qltransition_166 is true.
Reachability property qltransition_165 is true.
Reachability property qltransition_164 is true.
Reachability property qltransition_163 is true.
Reachability property qltransition_162 is true.
Reachability property qltransition_161 is true.
Reachability property qltransition_160 is true.
Reachability property qltransition_159 is true.
Reachability property qltransition_157 is true.
Reachability property qltransition_156 is true.
Reachability property qltransition_155 is true.
Reachability property qltransition_152 is true.
Reachability property qltransition_151 is true.
Reachability property qltransition_150 is true.
Reachability property qltransition_149 is true.
Reachability property qltransition_148 is true.
Reachability property qltransition_147 is true.
Reachability property qltransition_146 is true.
SDD proceeding with computation,96 properties remain. new max is 128
SDD size :11802 after 91396
SDD proceeding with computation,96 properties remain. new max is 256
SDD size :91396 after 108503
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Reachability property qltransition_246 is true.
Reachability property qltransition_245 is true.
Reachability property qltransition_244 is true.
Reachability property qltransition_243 is true.
Reachability property qltransition_242 is true.
Reachability property qltransition_241 is true.
Reachability property qltransition_240 is true.
Reachability property qltransition_239 is true.
Reachability property qltransition_238 is true.
Reachability property qltransition_237 is true.
SDD proceeding with computation,86 properties remain. new max is 256
SDD size :108503 after 191658
At refinement iteration 1 (OVERLAPS) 252/271 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 18 unsolved
SDD proceeding with computation,86 properties remain. new max is 512
SDD size :191658 after 209218
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 71/90 constraints. Problems are: Problem set: 0 solved, 18 unsolved
SDD proceeding with computation,86 properties remain. new max is 1024
SDD size :209218 after 236307
Reachability property qltransition_211 is true.
Reachability property qltransition_210 is true.
Reachability property qltransition_209 is true.
Reachability property qltransition_208 is true.
Reachability property qltransition_206 is true.
Reachability property qltransition_205 is true.
Reachability property qltransition_204 is true.
Reachability property qltransition_203 is true.
Reachability property qltransition_202 is true.
Reachability property qltransition_189 is true.
Reachability property qltransition_188 is true.
Reachability property qltransition_187 is true.
Reachability property qltransition_185 is true.
Reachability property qltransition_184 is true.
Reachability property qltransition_183 is true.
Reachability property qltransition_182 is true.
Reachability property qltransition_181 is true.
Reachability property qltransition_180 is true.
Reachability property qltransition_179 is true.
Reachability property qltransition_170 is true.
Reachability property qltransition_153 is true.
Reachability property qltransition_142 is true.
Reachability property qltransition_132 is true.
Reachability property qltransition_122 is true.
Reachability property qltransition_111 is true.
Reachability property qltransition_44 is true.
Reachability property qltransition_24 is true.
SDD proceeding with computation,59 properties remain. new max is 1024
SDD size :236307 after 1.49467e+06
SDD proceeding with computation,59 properties remain. new max is 2048
SDD size :1.49467e+06 after 1.67651e+06
At refinement iteration 3 (INCLUDED_ONLY) 0/271 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Reachability property qltransition_224 is true.
Reachability property qltransition_223 is true.
Reachability property qltransition_222 is true.
Reachability property qltransition_221 is true.
Reachability property qltransition_220 is true.
Reachability property qltransition_218 is true.
Reachability property qltransition_217 is true.
Reachability property qltransition_216 is true.
Reachability property qltransition_215 is true.
Reachability property qltransition_214 is true.
Reachability property qltransition_213 is true.
SDD proceeding with computation,48 properties remain. new max is 2048
SDD size :1.67651e+06 after 3.41438e+06
SDD proceeding with computation,48 properties remain. new max is 4096
SDD size :3.41438e+06 after 3.70548e+06
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,2.79507e+07,1.11097,31896,2,3169,151,95329,54,0,442,155341,0
Total reachable state count : 27950678

Verifying 234 reachability properties.
Reachability property qltransition_12 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_12,27,1.11185,31896,2,51,151,95329,55,0,446,155341,0
Reachability property qltransition_13 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_13,12,1.11269,31896,2,31,151,95329,56,0,449,155341,0
Reachability property qltransition_14 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_14,18,1.11322,31896,2,41,151,95329,57,0,451,155341,0
Reachability property qltransition_15 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_15,12,1.114,31896,2,36,151,95329,58,0,454,155341,0
Reachability property qltransition_24 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_24,36,1.11446,31896,2,41,151,95329,59,0,456,155341,0
Reachability property qltransition_25 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_25,36,1.11472,31896,2,41,151,95329,59,0,457,155341,0
Reachability property qltransition_32 does not hold.
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL INITIAL_STATE
ITS tools runner thread asked to quit. Dying gracefully.
At refinement iteration 4 (OVERLAPS) 14/285 variables, 8/98 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (OVERLAPS) 1/286 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 286/286 variables, and 99 constraints, problems are : Problem set: 0 solved, 18 unsolved in 5010 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 252/271 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 71/90 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/271 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/286 variables, and 98 constraints, problems are : Problem set: 0 solved, 18 unsolved in 5010 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 71/72 constraints, PredecessorRefiner: 0/18 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10032ms problems are : Problem set: 0 solved, 18 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 19 out of 27 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 27/27 places, 260/260 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 27 transition count 252
Applied a total of 8 rules in 18 ms. Remains 27 /27 variables (removed 0) and now considering 252/260 (removed 8) transitions.
Running 232 sub problems to find dead transitions.
// Phase 1: matrix 252 rows 27 cols
[2026-05-24 13:54:59] [INFO ] Computed 0 invariants in 2 ms
[2026-05-24 13:54:59] [INFO ] State equation strengthened by 71 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 4 (OVERLAPS) 6/279 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 232 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 279/279 variables, and 98 constraints, problems are : Problem set: 0 solved, 232 unsolved in 20022 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 71/71 constraints, PredecessorRefiner: 232/232 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 232 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 1 (OVERLAPS) 252/273 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/273 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/273 variables, 232/324 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/273 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 5 (OVERLAPS) 6/279 variables, 6/330 constraints. Problems are: Problem set: 0 solved, 232 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 279/279 variables, and 330 constraints, problems are : Problem set: 0 solved, 232 unsolved in 20015 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 71/71 constraints, PredecessorRefiner: 232/232 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40116ms problems are : Problem set: 0 solved, 232 unsolved
Search for dead transitions found 0 dead transitions in 40117ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40135 ms. Remains : 27/27 places, 252/260 transitions.
Total runtime 152349 ms.

BK_STOP 1779630939800

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="DNAwalker-PT-08ringLL"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2025"
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 2-5973"
echo " Executing tool gold2025"
echo " Input is DNAwalker-PT-08ringLL, 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 r112-tall-177955701200502"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-08ringLL.tgz
mv DNAwalker-PT-08ringLL 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 ;