Execution Chart

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

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r016-oct2-177944372600108.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is Anderson-PT-07, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-oct2-177944372600108
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 916K
-rw-r--r-- 1 mcc users 6.7K Mar 4 18:02 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K Mar 4 18:02 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Mar 4 18:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 4 18:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 07:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 07:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 15 07:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 4 18:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 144K Mar 4 18:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.4K Mar 4 18:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 4 18:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:03 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 461K 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 StableMarking

=== Now, execution of the tool begins

BK_START 1779686768270

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Anderson-PT-07
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-25 05:26:09] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-25 05:26:09] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 05:26:10] [INFO ] Load time of PNML (sax parser for PT used): 140 ms
[2026-05-25 05:26:10] [INFO ] Transformed 309 places.
[2026-05-25 05:26:10] [INFO ] Transformed 917 transitions.
[2026-05-25 05:26:10] [INFO ] Found NUPN structural information;
[2026-05-25 05:26:10] [INFO ] Parsed PT model containing 309 places and 917 transitions and 3500 arcs in 247 ms.
RANDOM walk for 40000 steps (8 resets) in 2502 ms. (15 steps per ms) remains 29/309 properties
BEST_FIRST walk for 4003 steps (8 resets) in 46 ms. (85 steps per ms) remains 29/29 properties
[2026-05-25 05:26:10] [INFO ] Flatten gal took : 213 ms
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (8 resets) in 30 ms. (129 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (8 resets) in 70 ms. (56 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (8 resets) in 37 ms. (105 steps per ms) remains 29/29 properties
[2026-05-25 05:26:10] [INFO ] Flatten gal took : 69 ms
BEST_FIRST walk for 4001 steps (8 resets) in 36 ms. (108 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 28/29 properties
BEST_FIRST walk for 4002 steps (8 resets) in 26 ms. (148 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (8 resets) in 38 ms. (102 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (8 resets) in 21 ms. (181 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (8 resets) in 23 ms. (166 steps per ms) remains 28/28 properties
[2026-05-25 05:26:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7266805122555815122.gal : 88 ms
BEST_FIRST walk for 4002 steps (8 resets) in 30 ms. (129 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 28/28 properties
[2026-05-25 05:26:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15027121376348418075.prop : 1 ms
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 28/28 properties
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/ReachabilityCardinality7266805122555815122.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15027121376348418075.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 4003 steps (8 resets) in 24 ms. (160 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4000 steps (8 resets) in 23 ms. (166 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (8 resets) in 36 ms. (108 steps per ms) remains 28/28 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 ...329
BEST_FIRST walk for 4003 steps (8 resets) in 34 ms. (114 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4002 steps (8 resets) in 14 ms. (266 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4001 steps (8 resets) in 12 ms. (307 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4002 steps (8 resets) in 26 ms. (148 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4002 steps (8 resets) in 13 ms. (285 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (8 resets) in 19 ms. (200 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4002 steps (8 resets) in 20 ms. (190 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4002 steps (8 resets) in 28 ms. (138 steps per ms) remains 27/28 properties
BEST_FIRST walk for 4003 steps (8 resets) in 28 ms. (138 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (8 resets) in 28 ms. (138 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 30 ms. (129 steps per ms) remains 26/27 properties
Loading property file /tmp/ReachabilityCardinality15027121376348418075.prop.
BEST_FIRST walk for 4001 steps (8 resets) in 25 ms. (153 steps per ms) remains 26/26 properties
// Phase 1: matrix 917 rows 309 cols
[2026-05-25 05:26:11] [INFO ] Computed 17 invariants in 28 ms
[2026-05-25 05:26:11] [INFO ] State equation strengthened by 42 read => feed constraints.
SDD proceeding with computation,28 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,28 properties remain. new max is 8
SDD size :3 after 9
SDD proceeding with computation,28 properties remain. new max is 16
SDD size :9 after 11
SDD proceeding with computation,28 properties remain. new max is 32
SDD size :11 after 12
SDD proceeding with computation,28 properties remain. new max is 64
SDD size :12 after 19
SDD proceeding with computation,28 properties remain. new max is 128
SDD size :19 after 64
SDD proceeding with computation,28 properties remain. new max is 256
SDD size :64 after 106
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,28 properties remain. new max is 512
SDD size :106 after 427
SDD proceeding with computation,28 properties remain. new max is 1024
SDD size :427 after 2470
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 264/290 variables, 7/33 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/290 variables, 264/297 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/290 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (OVERLAPS) 7/297 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/297 variables, 7/305 constraints. Problems are: Problem set: 0 solved, 26 unsolved
SDD proceeding with computation,28 properties remain. new max is 2048
SDD size :2470 after 22827
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 12/309 variables, 9/314 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/309 variables, 12/326 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/309 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 11 (OVERLAPS) 917/1226 variables, 309/635 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1226 variables, 42/677 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1226 variables, 0/677 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 14 (OVERLAPS) 0/1226 variables, 0/677 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1226/1226 variables, and 677 constraints, problems are : Problem set: 0 solved, 26 unsolved in 3257 ms.
Refiners :[Domain max(s): 309/309 constraints, Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 309/309 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 26 unsolved
SDD proceeding with computation,28 properties remain. new max is 4096
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 26 unsolved
SDD size :22827 after 421539
At refinement iteration 2 (OVERLAPS) 264/290 variables, 7/33 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/290 variables, 264/297 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/290 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (OVERLAPS) 7/297 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/297 variables, 7/305 constraints. Problems are: Problem set: 0 solved, 26 unsolved
SDD proceeding with computation,28 properties remain. new max is 8192
SDD size :421539 after 453219
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 12/309 variables, 9/314 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/309 variables, 12/326 constraints. Problems are: Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:26:16] [INFO ] Deduced a trap composed of 41 places in 302 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:26:16] [INFO ] Deduced a trap composed of 41 places in 191 ms of which 28 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/309 variables, 2/328 constraints. Problems are: Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:26:17] [INFO ] Deduced a trap composed of 41 places in 237 ms of which 30 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/309 variables, 1/329 constraints. Problems are: Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:26:18] [INFO ] Deduced a trap composed of 41 places in 273 ms of which 43 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 309/1226 variables, and 330 constraints, problems are : Problem set: 0 solved, 26 unsolved in 5018 ms.
Refiners :[Domain max(s): 309/309 constraints, Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 0/309 constraints, ReadFeed: 0/42 constraints, PredecessorRefiner: 0/26 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8397ms problems are : Problem set: 0 solved, 26 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 26 out of 309 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 309/309 places, 917/917 transitions.
Performed 19 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 19 Pre rules applied. Total rules applied 0 place count 309 transition count 898
Deduced a syphon composed of 19 places in 4 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 0 with 38 rules applied. Total rules applied 38 place count 290 transition count 898
Discarding 61 places :
Symmetric choice reduction at 0 with 61 rule applications. Total rules 99 place count 229 transition count 333
Iterating global reduction 0 with 61 rules applied. Total rules applied 160 place count 229 transition count 333
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: 23
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 0 with 46 rules applied. Total rules applied 206 place count 206 transition count 310
Applied a total of 206 rules in 117 ms. Remains 206 /309 variables (removed 103) and now considering 310/917 (removed 607) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 125 ms. Remains : 206/309 places, 310/917 transitions.
SDD proceeding with computation,28 properties remain. new max is 16384
SDD size :453219 after 815972
SDD proceeding with computation,28 properties remain. new max is 32768
SDD size :815972 after 1.10285e+06
RANDOM walk for 4000000 steps (8 resets) in 24220 ms. (165 steps per ms) remains 7/26 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 6369 ms. (627 steps per ms) remains 6/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 7668 ms. (521 steps per ms) remains 4/6 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 5245 ms. (762 steps per ms) remains 3/4 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 4714 ms. (848 steps per ms) remains 3/3 properties
// Phase 1: matrix 310 rows 206 cols
[2026-05-25 05:26:36] [INFO ] Computed 17 invariants in 17 ms
[2026-05-25 05:26:36] [INFO ] State equation strengthened by 42 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 184/187 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/187 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 4/191 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 15/206 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 310/516 variables, 206/223 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 42/265 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/516 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 516/516 variables, and 265 constraints, problems are : Problem set: 0 solved, 3 unsolved in 229 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 206/206 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 184/187 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:26:37] [INFO ] Deduced a trap composed of 159 places in 113 ms of which 13 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/187 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/187 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 4/191 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 15/206 variables, 9/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 310/516 variables, 206/224 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 42/266 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 3/269 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 0/516 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 516/516 variables, and 269 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1124 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 206/206 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1382ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 1 properties in 155 ms.
Support contains 2 out of 206 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 206/206 places, 310/310 transitions.
Performed 21 Post agglomeration using F-continuation condition.Transition count delta: 21
Deduced a syphon composed of 21 places in 0 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 0 with 42 rules applied. Total rules applied 42 place count 185 transition count 289
Applied a total of 42 rules in 16 ms. Remains 185 /206 variables (removed 21) and now considering 289/310 (removed 21) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 185/206 places, 289/310 transitions.
RANDOM walk for 4000000 steps (8 resets) in 8718 ms. (458 steps per ms) remains 2/2 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 4374 ms. (914 steps per ms) remains 1/2 properties
BEST_FIRST walk for 4000001 steps (8 resets) in 3741 ms. (1068 steps per ms) remains 1/1 properties
// Phase 1: matrix 289 rows 185 cols
[2026-05-25 05:26:43] [INFO ] Computed 17 invariants in 10 ms
[2026-05-25 05:26:43] [INFO ] State equation strengthened by 42 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 163/164 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/164 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 13/177 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 8/185 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/185 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 289/474 variables, 185/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/474 variables, 42/244 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/474 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/474 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 474/474 variables, and 244 constraints, problems are : Problem set: 0 solved, 1 unsolved in 188 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 185/185 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 163/164 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/164 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 13/177 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:26:43] [INFO ] Deduced a trap composed of 120 places in 93 ms of which 20 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/177 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 8/185 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/185 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 289/474 variables, 185/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/474 variables, 42/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/474 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/474 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/474 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 474/474 variables, and 246 constraints, problems are : Problem set: 0 solved, 1 unsolved in 391 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 185/185 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 614ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 5 ms.
Support contains 1 out of 185 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 185/185 places, 289/289 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 184 transition count 288
Applied a total of 2 rules in 11 ms. Remains 184 /185 variables (removed 1) and now considering 288/289 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 184/185 places, 288/289 transitions.
RANDOM walk for 4000000 steps (8 resets) in 7265 ms. (550 steps per ms) remains 1/1 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 5257 ms. (760 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 4107 steps, run visited all 1 properties in 54 ms. (steps per millisecond=76 )
Probabilistic random walk after 4107 steps, saw 2615 distinct states, run finished after 61 ms. (steps per millisecond=67 ) properties seen :1
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 309 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PARIKH_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL
Total runtime 37576 ms.

BK_STOP 1779686807451

--------------------
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
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -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 StableMarking -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="Anderson-PT-07"
export BK_EXAMINATION="StableMarking"
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 Anderson-PT-07, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r016-oct2-177944372600108"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Anderson-PT-07.tgz
mv Anderson-PT-07 execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;