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.r144-smll-177955812500147.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 FireWire-PT-12, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r144-smll-177955812500147
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 7.0K Mar 7 05:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K Mar 7 05:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Mar 7 05:18 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Mar 7 05:18 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 10:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 05:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Mar 7 05:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Mar 7 05:18 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 7 05:18 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:07 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 125K 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 1779632651233

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FireWire-PT-12
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-24 14:24:13] [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 14:24:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 14:24:14] [INFO ] Load time of PNML (sax parser for PT used): 211 ms
[2026-05-24 14:24:14] [INFO ] Transformed 169 places.
[2026-05-24 14:24:14] [INFO ] Transformed 508 transitions.
[2026-05-24 14:24:14] [INFO ] Found NUPN structural information;
[2026-05-24 14:24:14] [INFO ] Parsed PT model containing 169 places and 508 transitions and 1889 arcs in 438 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 169/169 places, 508/508 transitions.
Ensure Unique test removed 68 transitions
Reduce isomorphic transitions removed 68 transitions.
Iterating post reduction 0 with 68 rules applied. Total rules applied 68 place count 169 transition count 440
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 6 Pre rules applied. Total rules applied 68 place count 169 transition count 434
Deduced a syphon composed of 6 places in 5 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 1 with 12 rules applied. Total rules applied 80 place count 163 transition count 434
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 3 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 86 place count 160 transition count 431
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 3 places in 4 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 92 place count 157 transition count 437
Applied a total of 92 rules in 119 ms. Remains 157 /169 variables (removed 12) and now considering 437/508 (removed 71) transitions.
[2026-05-24 14:24:14] [INFO ] Flow matrix only has 389 transitions (discarded 48 similar events)
// Phase 1: matrix 389 rows 157 cols
[2026-05-24 14:24:14] [INFO ] Computed 10 invariants in 41 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:24:15] [INFO ] Implicit Places using invariants in 742 ms returned []
[2026-05-24 14:24:15] [INFO ] Flow matrix only has 389 transitions (discarded 48 similar events)
[2026-05-24 14:24:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:24:15] [INFO ] State equation strengthened by 60 read => feed constraints.
[2026-05-24 14:24:16] [INFO ] Implicit Places using invariants and state equation in 1612 ms returned [59, 107, 155]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 2440 ms to find 3 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 154/169 places, 437/508 transitions.
Applied a total of 0 rules in 10 ms. Remains 154 /154 variables (removed 0) and now considering 437/437 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 2608 ms. Remains : 154/169 places, 437/508 transitions.
Discarding 138 transitions out of 437. Remains 299
Initial state reduction rules removed 1 formulas.
[2026-05-24 14:24:18] [INFO ] Flatten gal took : 236 ms
[2026-05-24 14:24:18] [INFO ] Flatten gal took : 170 ms
[2026-05-24 14:24:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1204298903311481885.gal : 97 ms
RANDOM walk for 40000 steps (1243 resets) in 4680 ms. (8 steps per ms) remains 85/298 properties
[2026-05-24 14:24:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7972926231625018986.prop : 11 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/ReachabilityCardinality1204298903311481885.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7972926231625018986.prop' '--nowitness' '--gen-order' 'FOLLOW'

BEST_FIRST walk for 4004 steps (23 resets) in 125 ms. (31 steps per ms) remains 85/85 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 (24 resets) in 83 ms. (47 steps per ms) remains 85/85 properties
BEST_FIRST walk for 4004 steps (8 resets) in 76 ms. (52 steps per ms) remains 85/85 properties
BEST_FIRST walk for 4002 steps (8 resets) in 75 ms. (52 steps per ms) remains 85/85 properties
BEST_FIRST walk for 4004 steps (10 resets) in 60 ms. (65 steps per ms) remains 85/85 properties
BEST_FIRST walk for 4003 steps (8 resets) in 33 ms. (117 steps per ms) remains 85/85 properties
BEST_FIRST walk for 4003 steps (62 resets) in 34 ms. (114 steps per ms) remains 85/85 properties
BEST_FIRST walk for 4004 steps (25 resets) in 30 ms. (129 steps per ms) remains 85/85 properties
BEST_FIRST walk for 4003 steps (25 resets) in 41 ms. (95 steps per ms) remains 85/85 properties
BEST_FIRST walk for 4003 steps (8 resets) in 28 ms. (138 steps per ms) remains 82/85 properties
Loading property file /tmp/ReachabilityCardinality7972926231625018986.prop.
BEST_FIRST walk for 4002 steps (24 resets) in 26 ms. (148 steps per ms) remains 82/82 properties
BEST_FIRST walk for 4003 steps (40 resets) in 29 ms. (133 steps per ms) remains 82/82 properties
BEST_FIRST walk for 4002 steps (25 resets) in 36 ms. (108 steps per ms) remains 82/82 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 80/82 properties
BEST_FIRST walk for 4004 steps (27 resets) in 20 ms. (190 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4002 steps (34 resets) in 51 ms. (76 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (25 resets) in 18 ms. (210 steps per ms) remains 78/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 78/78 properties
BEST_FIRST walk for 4003 steps (27 resets) in 16 ms. (235 steps per ms) remains 78/78 properties
BEST_FIRST walk for 4002 steps (41 resets) in 16 ms. (235 steps per ms) remains 78/78 properties
BEST_FIRST walk for 4001 steps (27 resets) in 22 ms. (173 steps per ms) remains 78/78 properties
BEST_FIRST walk for 4002 steps (8 resets) in 16 ms. (235 steps per ms) remains 78/78 properties
BEST_FIRST walk for 4003 steps (23 resets) in 27 ms. (142 steps per ms) remains 78/78 properties
BEST_FIRST walk for 4004 steps (36 resets) in 26 ms. (148 steps per ms) remains 78/78 properties
Reachability property qltransition_55 is true.
SDD proceeding with computation,171 properties remain. new max is 2
SDD size :1 after 3
SDD proceeding with computation,171 properties remain. new max is 4
SDD size :3 after 4
BEST_FIRST walk for 4003 steps (24 resets) in 38 ms. (102 steps per ms) remains 78/78 properties
BEST_FIRST walk for 4003 steps (8 resets) in 25 ms. (153 steps per ms) remains 77/78 properties
BEST_FIRST walk for 4003 steps (26 resets) in 21 ms. (181 steps per ms) remains 77/77 properties
Reachability property qltransition_54 is true.
SDD proceeding with computation,170 properties remain. new max is 4
SDD size :4 after 19
BEST_FIRST walk for 4003 steps (8 resets) in 24 ms. (160 steps per ms) remains 77/77 properties
Reachability property qltransition_110 is true.
SDD proceeding with computation,169 properties remain. new max is 4
SDD size :19 after 34
BEST_FIRST walk for 4004 steps (21 resets) in 23 ms. (166 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (39 resets) in 24 ms. (160 steps per ms) remains 77/77 properties
SDD proceeding with computation,169 properties remain. new max is 8
SDD size :34 after 49
BEST_FIRST walk for 4003 steps (30 resets) in 28 ms. (138 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4003 steps (9 resets) in 65 ms. (60 steps per ms) remains 76/77 properties
SDD proceeding with computation,169 properties remain. new max is 16
SDD size :49 after 64
BEST_FIRST walk for 4004 steps (18 resets) in 29 ms. (133 steps per ms) remains 75/76 properties
BEST_FIRST walk for 4004 steps (26 resets) in 20 ms. (190 steps per ms) remains 75/75 properties
SDD proceeding with computation,169 properties remain. new max is 32
SDD size :64 after 79
BEST_FIRST walk for 4004 steps (25 resets) in 22 ms. (174 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (37 resets) in 30 ms. (129 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (25 resets) in 17 ms. (222 steps per ms) remains 75/75 properties
SDD proceeding with computation,169 properties remain. new max is 64
SDD size :79 after 94
BEST_FIRST walk for 4003 steps (25 resets) in 14 ms. (266 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (20 resets) in 15 ms. (250 steps per ms) remains 75/75 properties
SDD proceeding with computation,169 properties remain. new max is 128
SDD size :94 after 119
BEST_FIRST walk for 4002 steps (37 resets) in 38 ms. (102 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (23 resets) in 25 ms. (153 steps per ms) remains 75/75 properties
Reachability property qltransition_218 is true.
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4004 steps (26 resets) in 16 ms. (235 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4002 steps (36 resets) in 21 ms. (181 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4004 steps (25 resets) in 22 ms. (174 steps per ms) remains 74/75 properties
BEST_FIRST walk for 4002 steps (8 resets) in 27 ms. (142 steps per ms) remains 74/74 properties
SDD proceeding with computation,168 properties remain. new max is 128
SDD size :119 after 154
BEST_FIRST walk for 4004 steps (27 resets) in 22 ms. (174 steps per ms) remains 74/74 properties
BEST_FIRST walk for 4003 steps (40 resets) in 25 ms. (153 steps per ms) remains 74/74 properties
BEST_FIRST walk for 4003 steps (27 resets) in 21 ms. (181 steps per ms) remains 74/74 properties
Reachability property qltransition_384 is true.
BEST_FIRST walk for 4003 steps (8 resets) in 26 ms. (148 steps per ms) remains 74/74 properties
Reachability property qltransition_52 is true.
SDD proceeding with computation,166 properties remain. new max is 128
SDD size :154 after 252
BEST_FIRST walk for 4004 steps (25 resets) in 34 ms. (114 steps per ms) remains 74/74 properties
BEST_FIRST walk for 4002 steps (37 resets) in 28 ms. (138 steps per ms) remains 74/74 properties
BEST_FIRST walk for 4003 steps (26 resets) in 35 ms. (111 steps per ms) remains 74/74 properties
BEST_FIRST walk for 4004 steps (9 resets) in 41 ms. (95 steps per ms) remains 69/74 properties
SDD proceeding with computation,166 properties remain. new max is 256
SDD size :252 after 291
BEST_FIRST walk for 4003 steps (19 resets) in 28 ms. (138 steps per ms) remains 69/69 properties
BEST_FIRST walk for 4003 steps (41 resets) in 19 ms. (200 steps per ms) remains 69/69 properties
BEST_FIRST walk for 4002 steps (25 resets) in 30 ms. (129 steps per ms) remains 69/69 properties
Reachability property qltransition_352 is true.
Reachability property qltransition_347 is true.
Reachability property qltransition_345 is true.
BEST_FIRST walk for 4003 steps (8 resets) in 19 ms. (200 steps per ms) remains 69/69 properties
Reachability property qltransition_200 is true.
Reachability property qltransition_199 is true.
BEST_FIRST walk for 4003 steps (9 resets) in 27 ms. (142 steps per ms) remains 69/69 properties
SDD proceeding with computation,161 properties remain. new max is 256
SDD size :291 after 768
BEST_FIRST walk for 4003 steps (8 resets) in 28 ms. (138 steps per ms) remains 69/69 properties
BEST_FIRST walk for 4002 steps (23 resets) in 24 ms. (160 steps per ms) remains 69/69 properties
BEST_FIRST walk for 4004 steps (35 resets) in 18 ms. (210 steps per ms) remains 69/69 properties
BEST_FIRST walk for 4004 steps (22 resets) in 21 ms. (182 steps per ms) remains 69/69 properties
BEST_FIRST walk for 4004 steps (28 resets) in 56 ms. (70 steps per ms) remains 69/69 properties
Reachability property qltransition_342 is true.
BEST_FIRST walk for 4003 steps (26 resets) in 24 ms. (160 steps per ms) remains 69/69 properties
BEST_FIRST walk for 4004 steps (26 resets) in 21 ms. (182 steps per ms) remains 69/69 properties
Reachability property qltransition_197 is true.
Reachability property qltransition_107 is true.
BEST_FIRST walk for 4004 steps (29 resets) in 38 ms. (102 steps per ms) remains 69/69 properties
Reachability property qltransition_76 is true.
Reachability property qltransition_73 is true.
Reachability property qltransition_71 is true.
Reachability property qltransition_68 is true.
Reachability property qltransition_66 is true.
Reachability property qltransition_63 is true.
Reachability property qltransition_61 is true.
Reachability property qltransition_59 is true.
Reachability property qltransition_57 is true.
SDD proceeding with computation,149 properties remain. new max is 256
BEST_FIRST walk for 4001 steps (29 resets) in 30 ms. (129 steps per ms) remains 69/69 properties
SDD size :768 after 1236
BEST_FIRST walk for 4003 steps (19 resets) in 25 ms. (153 steps per ms) remains 69/69 properties
BEST_FIRST walk for 4004 steps (25 resets) in 19 ms. (200 steps per ms) remains 69/69 properties
BEST_FIRST walk for 4004 steps (27 resets) in 38 ms. (102 steps per ms) remains 69/69 properties
BEST_FIRST walk for 4003 steps (22 resets) in 20 ms. (190 steps per ms) remains 69/69 properties
BEST_FIRST walk for 4003 steps (23 resets) in 14 ms. (266 steps per ms) remains 68/69 properties
BEST_FIRST walk for 4002 steps (19 resets) in 23 ms. (166 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (26 resets) in 19 ms. (200 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4003 steps (28 resets) in 18 ms. (210 steps per ms) remains 68/68 properties
[2026-05-24 14:24:19] [INFO ] Flow matrix only has 389 transitions (discarded 48 similar events)
// Phase 1: matrix 389 rows 154 cols
[2026-05-24 14:24:19] [INFO ] Computed 7 invariants in 6 ms
[2026-05-24 14:24:19] [INFO ] State equation strengthened by 60 read => feed constraints.
Reachability property qltransition_86 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_78 is true.
Reachability property qltransition_77 is true.
Reachability property qltransition_74 is true.
Reachability property qltransition_72 is true.
Reachability property qltransition_69 is true.
Reachability property qltransition_67 is true.
Reachability property qltransition_64 is true.
Reachability property qltransition_62 is true.
SDD proceeding with computation,135 properties remain. new max is 256
SDD size :1236 after 1845
Reachability property qltransition_397 is true.
Reachability property qltransition_387 is true.
Reachability property qltransition_193 is true.
Reachability property qltransition_189 is true.
Reachability property qltransition_185 is true.
Reachability property qltransition_183 is true.
Reachability property qltransition_181 is true.
Reachability property qltransition_179 is true.
Reachability property qltransition_177 is true.
SDD proceeding with computation,126 properties remain. new max is 256
SDD size :1845 after 2787
Reachability property qltransition_184 is true.
Reachability property qltransition_182 is true.
Reachability property qltransition_180 is true.
Reachability property qltransition_178 is true.
Reachability property qltransition_176 is true.
Reachability property qltransition_174 is true.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,120 properties remain. new max is 256
SDD size :2787 after 3361
Reachability property qltransition_395 is true.
Reachability property qltransition_171 is true.
Reachability property qltransition_166 is true.
Reachability property qltransition_164 is true.
Reachability property qltransition_162 is true.
SDD proceeding with computation,115 properties remain. new max is 256
SDD size :3361 after 3606
SDD proceeding with computation,115 properties remain. new max is 512
SDD size :3606 after 3711
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 56/56 constraints. Problems are: Problem set: 5 solved, 59 unsolved
SDD proceeding with computation,115 properties remain. new max is 1024
SDD size :3711 after 3950
SDD proceeding with computation,115 properties remain. new max is 2048
SDD size :3950 after 7075
At refinement iteration 1 (INCLUDED_ONLY) 0/56 variables, 0/56 constraints. Problems are: Problem set: 8 solved, 56 unsolved
At refinement iteration 2 (OVERLAPS) 97/153 variables, 7/63 constraints. Problems are: Problem set: 8 solved, 56 unsolved
SDD proceeding with computation,115 properties remain. new max is 4096
SDD size :7075 after 10718
At refinement iteration 3 (INCLUDED_ONLY) 0/153 variables, 97/160 constraints. Problems are: Problem set: 8 solved, 56 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:24:21] [INFO ] Deduced a trap composed of 35 places in 118 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:24:21] [INFO ] Deduced a trap composed of 35 places in 84 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:24:21] [INFO ] Deduced a trap composed of 24 places in 204 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:24:21] [INFO ] Deduced a trap composed of 35 places in 55 ms of which 4 ms to minimize.
Reachability property qltransition_217 is true.
Reachability property qltransition_216 is true.
Reachability property qltransition_203 is true.
Reachability property qltransition_202 is true.
Reachability property qltransition_201 is true.
Reachability property qltransition_196 is true.
Reachability property qltransition_195 is true.
Reachability property qltransition_192 is true.
Reachability property qltransition_191 is true.
Reachability property qltransition_188 is true.
Reachability property qltransition_187 is true.
Reachability property qltransition_186 is true.
Reachability property qltransition_175 is true.
Reachability property qltransition_172 is true.
Reachability property qltransition_170 is true.
Reachability property qltransition_165 is true.
Reachability property qltransition_109 is true.
Reachability property qltransition_108 is true.
Reachability property qltransition_60 is true.
Reachability property qltransition_58 is true.
SDD proceeding with computation,95 properties remain. new max is 4096
SDD size :10718 after 37164
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:24:22] [INFO ] Deduced a trap composed of 17 places in 168 ms of which 15 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/153 variables, 5/165 constraints. Problems are: Problem set: 12 solved, 52 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/153 variables, 0/165 constraints. Problems are: Problem set: 12 solved, 52 unsolved
Reachability property qltransition_235 is true.
Reachability property qltransition_163 is true.
Reachability property qltransition_161 is true.
SDD proceeding with computation,92 properties remain. new max is 4096
SDD size :37164 after 55381
At refinement iteration 6 (OVERLAPS) 388/541 variables, 153/318 constraints. Problems are: Problem set: 15 solved, 49 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/541 variables, 59/377 constraints. Problems are: Problem set: 15 solved, 49 unsolved
SDD proceeding with computation,92 properties remain. new max is 8192
SDD size :55381 after 103586
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 541/543 variables, and 377 constraints, problems are : Problem set: 15 solved, 49 unsolved in 5029 ms.
Refiners :[Domain max(s): 153/154 constraints, Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 153/154 constraints, ReadFeed: 59/60 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 15 solved, 49 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 42/42 constraints. Problems are: Problem set: 15 solved, 49 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/42 constraints. Problems are: Problem set: 15 solved, 49 unsolved
At refinement iteration 2 (OVERLAPS) 65/107 variables, 5/47 constraints. Problems are: Problem set: 15 solved, 49 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 65/112 constraints. Problems are: Problem set: 15 solved, 49 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 2/114 constraints. Problems are: Problem set: 15 solved, 49 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/107 variables, 0/114 constraints. Problems are: Problem set: 15 solved, 49 unsolved
At refinement iteration 6 (OVERLAPS) 44/151 variables, 2/116 constraints. Problems are: Problem set: 15 solved, 49 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/151 variables, 44/160 constraints. Problems are: Problem set: 15 solved, 49 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/151 variables, 3/163 constraints. Problems are: Problem set: 15 solved, 49 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/151 variables, 0/163 constraints. Problems are: Problem set: 15 solved, 49 unsolved
At refinement iteration 10 (OVERLAPS) 386/537 variables, 151/314 constraints. Problems are: Problem set: 15 solved, 49 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/537 variables, 58/372 constraints. Problems are: Problem set: 15 solved, 49 unsolved
Reachability property qltransition_56 is true.
SDD proceeding with computation,91 properties remain. new max is 8192
SDD size :103586 after 156876
At refinement iteration 12 (INCLUDED_ONLY) 0/537 variables, 47/419 constraints. Problems are: Problem set: 15 solved, 49 unsolved
SDD proceeding with computation,91 properties remain. new max is 16384
SDD size :156876 after 317641
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 537/543 variables, and 419 constraints, problems are : Problem set: 15 solved, 49 unsolved in 5016 ms.
Refiners :[Domain max(s): 151/154 constraints, Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 151/154 constraints, ReadFeed: 58/60 constraints, PredecessorRefiner: 47/64 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10278ms problems are : Problem set: 15 solved, 49 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 42 out of 154 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 154/154 places, 437/437 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 154 transition count 428
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 1 with 9 rules applied. Total rules applied 18 place count 154 transition count 419
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 1 with 3 rules applied. Total rules applied 21 place count 154 transition count 424
Reduce places removed 3 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 29 place count 151 transition count 419
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 2 with 4 rules applied. Total rules applied 33 place count 151 transition count 415
Applied a total of 33 rules in 169 ms. Remains 151 /154 variables (removed 3) and now considering 415/437 (removed 22) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 169 ms. Remains : 151/154 places, 415/437 transitions.
SDD proceeding with computation,91 properties remain. new max is 32768
SDD size :317641 after 423413
RANDOM walk for 4000000 steps (124709 resets) in 31818 ms. (125 steps per ms) remains 12/49 properties
BEST_FIRST walk for 4000002 steps (27880 resets) in 7462 ms. (535 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4000004 steps (27645 resets) in 6233 ms. (641 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4000004 steps (26844 resets) in 6469 ms. (618 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4000003 steps (27655 resets) in 5673 ms. (704 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4000004 steps (24340 resets) in 7938 ms. (503 steps per ms) remains 11/12 properties
SDD proceeding with computation,91 properties remain. new max is 65536
SDD size :423413 after 848495
BEST_FIRST walk for 4000001 steps (26868 resets) in 5775 ms. (692 steps per ms) remains 10/11 properties
BEST_FIRST walk for 4000004 steps (27715 resets) in 5879 ms. (680 steps per ms) remains 10/10 properties
BEST_FIRST walk for 4000002 steps (27434 resets) in 6046 ms. (661 steps per ms) remains 10/10 properties
BEST_FIRST walk for 4000004 steps (27183 resets) in 5838 ms. (685 steps per ms) remains 8/10 properties
BEST_FIRST walk for 4000004 steps (26402 resets) in 5554 ms. (720 steps per ms) remains 8/8 properties
[2026-05-24 14:24:59] [INFO ] Flow matrix only has 379 transitions (discarded 36 similar events)
// Phase 1: matrix 379 rows 151 cols
[2026-05-24 14:24:59] [INFO ] Computed 7 invariants in 9 ms
[2026-05-24 14:24:59] [INFO ] State equation strengthened by 59 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 89/101 variables, 5/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/101 variables, 89/106 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:24:59] [INFO ] Deduced a trap composed of 34 places in 70 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:24:59] [INFO ] Deduced a trap composed of 35 places in 48 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/101 variables, 2/108 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/101 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 42/143 variables, 2/110 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 42/152 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:24:59] [INFO ] Deduced a trap composed of 24 places in 145 ms of which 18 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/143 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/143 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (OVERLAPS) 375/518 variables, 143/296 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/518 variables, 57/353 constraints. Problems are: Problem set: 0 solved, 8 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/518 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (OVERLAPS) 12/530 variables, 8/361 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/530 variables, 8/369 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/530 variables, 2/371 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/530 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (OVERLAPS) 0/530 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 530/530 variables, and 371 constraints, problems are : Problem set: 0 solved, 8 unsolved in 1358 ms.
Refiners :[Domain max(s): 151/151 constraints, Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 151/151 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 89/101 variables, 5/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/101 variables, 89/106 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/101 variables, 2/108 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/101 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 42/143 variables, 2/110 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 42/152 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/143 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/143 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (OVERLAPS) 375/518 variables, 143/296 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/518 variables, 57/353 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/518 variables, 5/358 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/518 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (OVERLAPS) 12/530 variables, 8/366 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/530 variables, 8/374 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/530 variables, 2/376 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/530 variables, 3/379 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/530 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 19 (OVERLAPS) 0/530 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 530/530 variables, and 379 constraints, problems are : Problem set: 0 solved, 8 unsolved in 2299 ms.
Refiners :[Domain max(s): 151/151 constraints, Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 151/151 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3696ms problems are : Problem set: 0 solved, 8 unsolved
Parikh walk visited 1 properties in 2416 ms.
Support contains 10 out of 151 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 415/415 transitions.
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 151 transition count 419
Reduce places removed 3 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 10 place count 148 transition count 415
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 12 place count 148 transition count 413
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 147 transition count 412
Applied a total of 13 rules in 67 ms. Remains 147 /151 variables (removed 4) and now considering 412/415 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 147/151 places, 412/415 transitions.
RANDOM walk for 4000000 steps (128427 resets) in 17368 ms. (230 steps per ms) remains 6/7 properties
BEST_FIRST walk for 4000004 steps (27902 resets) in 4876 ms. (820 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000003 steps (27909 resets) in 4923 ms. (812 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000001 steps (26795 resets) in 4720 ms. (847 steps per ms) remains 5/6 properties
Reachability property qltransition_402 is true.
Reachability property qltransition_394 is true.
Reachability property qltransition_338 is true.
Reachability property qltransition_293 is true.
Reachability property qltransition_292 is true.
Reachability property qltransition_291 is true.
Reachability property qltransition_290 is true.
Reachability property qltransition_289 is true.
Reachability property qltransition_288 is true.
Reachability property qltransition_287 is true.
Reachability property qltransition_286 is true.
Reachability property qltransition_285 is true.
Reachability property qltransition_284 is true.
Reachability property qltransition_283 is true.
Reachability property qltransition_282 is true.
Reachability property qltransition_281 is true.
Reachability property qltransition_279 is true.
Reachability property qltransition_278 is true.
Reachability property qltransition_277 is true.
Reachability property qltransition_273 is true.
Reachability property qltransition_272 is true.
Reachability property qltransition_271 is true.
Reachability property qltransition_270 is true.
Reachability property qltransition_269 is true.
Reachability property qltransition_268 is true.
Reachability property qltransition_129 is true.
Reachability property qltransition_128 is true.
Reachability property qltransition_127 is true.
Reachability property qltransition_125 is true.
Reachability property qltransition_124 is true.
Reachability property qltransition_123 is true.
Reachability property qltransition_122 is true.
Reachability property qltransition_121 is true.
Reachability property qltransition_120 is true.
Reachability property qltransition_118 is true.
Reachability property qltransition_117 is true.
Reachability property qltransition_116 is true.
Reachability property qltransition_114 is true.
Reachability property qltransition_113 is true.
Reachability property qltransition_112 is true.
Reachability property qltransition_97 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_91 is true.
SDD proceeding with computation,45 properties remain. new max is 65536
SDD size :848495 after 3.29254e+06
BEST_FIRST walk for 4000003 steps (27401 resets) in 4987 ms. (801 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (26550 resets) in 4282 ms. (933 steps per ms) remains 4/5 properties
[2026-05-24 14:25:17] [INFO ] Flow matrix only has 375 transitions (discarded 37 similar events)
// Phase 1: matrix 375 rows 147 cols
[2026-05-24 14:25:17] [INFO ] Computed 7 invariants in 3 ms
[2026-05-24 14:25:17] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 89/93 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 89/97 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 327/420 variables, 93/190 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/420 variables, 36/226 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/420 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 92/512 variables, 47/273 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/512 variables, 47/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/512 variables, 2/322 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/512 variables, 20/342 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/512 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 9/521 variables, 6/348 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/521 variables, 6/354 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/521 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/521 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 1/522 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/522 variables, 1/357 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/522 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 0/522 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 522/522 variables, and 357 constraints, problems are : Problem set: 0 solved, 2 unsolved in 365 ms.
Refiners :[Domain max(s): 147/147 constraints, Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 147/147 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 2/2 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) 0/4 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 89/93 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 89/97 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 327/420 variables, 93/190 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/420 variables, 36/226 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/420 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 92/512 variables, 47/273 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/512 variables, 47/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/512 variables, 2/322 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/512 variables, 20/342 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/512 variables, 2/344 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:25:18] [INFO ] Deduced a trap composed of 31 places in 62 ms of which 5 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/512 variables, 1/345 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/512 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 9/521 variables, 6/351 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/521 variables, 6/357 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/521 variables, 1/358 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/521 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/522 variables, 1/359 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/522 variables, 1/360 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/522 variables, 0/360 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/522 variables, 0/360 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 522/522 variables, and 360 constraints, problems are : Problem set: 0 solved, 2 unsolved in 889 ms.
Refiners :[Domain max(s): 147/147 constraints, Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 147/147 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1271ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 85 ms.
Support contains 4 out of 147 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 147/147 places, 412/412 transitions.
Applied a total of 0 rules in 17 ms. Remains 147 /147 variables (removed 0) and now considering 412/412 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 147/147 places, 412/412 transitions.
RANDOM walk for 4000000 steps (128424 resets) in 13505 ms. (296 steps per ms) remains 2/2 properties
BEST_FIRST walk for 4000002 steps (27961 resets) in 3880 ms. (1030 steps per ms) remains 2/2 properties
BEST_FIRST walk for 4000003 steps (27277 resets) in 3992 ms. (1001 steps per ms) remains 2/2 properties
Reachability property qltransition_406 is true.
Reachability property qltransition_399 is true.
Reachability property qltransition_393 is true.
Reachability property qltransition_327 is true.
Reachability property qltransition_325 is true.
Reachability property qltransition_323 is true.
Reachability property qltransition_160 is true.
Reachability property qltransition_159 is true.
Reachability property qltransition_158 is true.
Reachability property qltransition_157 is true.
Reachability property qltransition_154 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_147 is true.
Reachability property qltransition_146 is true.
Reachability property qltransition_145 is true.
Reachability property qltransition_144 is true.
Reachability property qltransition_143 is true.
Reachability property qltransition_142 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_133 is true.
Reachability property qltransition_132 is true.
Reachability property qltransition_131 is true.
Reachability property qltransition_100 is true.
Reachability property qltransition_99 is true.
Reachability property qltransition_98 is true.
Reachability property qltransition_89 is true.
Reachability property qltransition_88 is true.
Reachability property qltransition_87 is true.
SDD proceeding with computation,8 properties remain. new max is 65536
SDD size :3.29254e+06 after 2.06326e+07
Interrupted probabilistic random walk after 4849793 steps, run timeout after 18001 ms. (steps per millisecond=269 ) properties seen :1 out of 2
Probabilistic random walk after 4849793 steps, saw 1274458 distinct states, run finished after 18010 ms. (steps per millisecond=269 ) properties seen :1
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 299 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK PROBABILISTIC_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 89699 ms.

BK_STOP 1779632743571

--------------------
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="FireWire-PT-12"
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 FireWire-PT-12, 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 r144-smll-177955812500147"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-12.tgz
mv FireWire-PT-12 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 ;