Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r147-tall-174876819600272.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is Parking-PT-832, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r147-tall-174876819600272
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 680K
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.4K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 97K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 251K May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1748810017790

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Parking-PT-832
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-06-01 20:33:38] [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]
[2025-06-01 20:33:38] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 20:33:39] [INFO ] Load time of PNML (sax parser for PT used): 123 ms
[2025-06-01 20:33:39] [INFO ] Transformed 737 places.
[2025-06-01 20:33:39] [INFO ] Transformed 993 transitions.
[2025-06-01 20:33:39] [INFO ] Found NUPN structural information;
[2025-06-01 20:33:39] [INFO ] Parsed PT model containing 737 places and 993 transitions and 2993 arcs in 225 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 737/737 places, 993/993 transitions.
Ensure Unique test removed 384 transitions
Reduce isomorphic transitions removed 384 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 400 rules applied. Total rules applied 400 place count 737 transition count 593
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 416 place count 721 transition count 593
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 416 place count 721 transition count 577
Deduced a syphon composed of 16 places in 3 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 448 place count 705 transition count 577
Performed 32 Post agglomeration using F-continuation condition.Transition count delta: 32
Deduced a syphon composed of 32 places in 2 ms
Reduce places removed 32 places and 0 transitions.
Iterating global reduction 2 with 64 rules applied. Total rules applied 512 place count 673 transition count 545
Applied a total of 512 rules in 111 ms. Remains 673 /737 variables (removed 64) and now considering 545/993 (removed 448) transitions.
// Phase 1: matrix 545 rows 673 cols
[2025-06-01 20:33:39] [INFO ] Computed 184 invariants in 23 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:33:40] [INFO ] Implicit Places using invariants in 905 ms returned [135, 142, 148, 154, 178, 180, 205, 212, 218, 224, 248, 250, 275, 282, 288, 294, 318, 320, 345, 352, 358, 364, 388, 390, 415, 422, 428, 434, 458, 460, 485, 492, 498, 504, 528, 530, 555, 562, 568, 574, 598, 600, 625, 632, 638, 644, 668, 670]
Discarding 48 places :
Implicit Place search using SMT only with invariants took 946 ms to find 48 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 625/737 places, 545/993 transitions.
Performed 40 Post agglomeration using F-continuation condition.Transition count delta: 40
Deduced a syphon composed of 40 places in 2 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 0 with 80 rules applied. Total rules applied 80 place count 585 transition count 505
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -19
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 82 place count 584 transition count 524
Applied a total of 82 rules in 26 ms. Remains 584 /625 variables (removed 41) and now considering 524/545 (removed 21) transitions.
// Phase 1: matrix 524 rows 584 cols
[2025-06-01 20:33:40] [INFO ] Computed 136 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:33:40] [INFO ] Implicit Places using invariants in 433 ms returned []
[2025-06-01 20:33:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:33:41] [INFO ] State equation strengthened by 220 read => feed constraints.
[2025-06-01 20:33:43] [INFO ] Implicit Places using invariants and state equation in 3173 ms returned []
Implicit Place search using SMT with State Equation took 3617 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 584/737 places, 524/993 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 4725 ms. Remains : 584/737 places, 524/993 transitions.
Discarding 196 transitions out of 524. Remains 328
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (204 resets) in 2629 ms. (15 steps per ms) remains 102/327 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 17 ms. (22 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 16 ms. (23 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 17 ms. (22 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 10 ms. (36 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 23 ms. (16 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 102/102 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 102/102 properties
[2025-06-01 20:33:44] [INFO ] Flatten gal took : 278 ms
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 102/102 properties
[2025-06-01 20:33:44] [INFO ] Invariant cache hit.
[2025-06-01 20:33:45] [INFO ] State equation strengthened by 220 read => feed constraints.
[2025-06-01 20:33:45] [INFO ] Flatten gal took : 104 ms
[2025-06-01 20:33:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1532826575869046616.gal : 59 ms
[2025-06-01 20:33:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2737222751874326361.prop : 2 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/ReachabilityCardinality1532826575869046616.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2737222751874326361.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Loading property file /tmp/ReachabilityCardinality2737222751874326361.prop.
SDD proceeding with computation,102 properties remain. new max is 4
SDD size :6 after 25
SDD proceeding with computation,102 properties remain. new max is 8
SDD size :25 after 273
SDD proceeding with computation,102 properties remain. new max is 16
SDD size :273 after 131089
SDD proceeding with computation,102 properties remain. new max is 32
SDD size :131089 after 1.71799e+10
SDD proceeding with computation,102 properties remain. new max is 64
SDD size :1.71799e+10 after 2.78142e+19
SDD proceeding with computation,102 properties remain. new max is 128
SDD size :2.78142e+19 after 3.68991e+19
SDD proceeding with computation,102 properties remain. new max is 256
SDD size :3.68991e+19 after 1.84467e+20
At refinement iteration 0 (INCLUDED_ONLY) 0/204 variables, 204/204 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/204 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (OVERLAPS) 328/532 variables, 110/314 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/532 variables, 328/642 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/532 variables, 0/642 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 52/584 variables, 26/668 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/584 variables, 52/720 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 584/1108 variables, and 720 constraints, problems are : Problem set: 0 solved, 102 unsolved in 5030 ms.
Refiners :[Domain max(s): 584/584 constraints, Positive P Invariants (semi-flows): 136/136 constraints, State Equation: 0/584 constraints, ReadFeed: 0/220 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/204 variables, 204/204 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/204 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (OVERLAPS) 328/532 variables, 110/314 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/532 variables, 328/642 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/532 variables, 0/642 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 52/584 variables, 26/668 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/584 variables, 52/720 constraints. Problems are: Problem set: 0 solved, 102 unsolved
SDD proceeding with computation,102 properties remain. new max is 512
SDD size :1.84467e+20 after 3.13595e+20
At refinement iteration 7 (INCLUDED_ONLY) 0/584 variables, 0/720 constraints. Problems are: Problem set: 0 solved, 102 unsolved
SMT process timed out in 10285ms, After SMT, problems are : Problem set: 0 solved, 102 unsolved
Fused 102 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 204 out of 584 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 584/584 places, 524/524 transitions.
Free-agglomeration rule applied 61 times.
Iterating global reduction 0 with 61 rules applied. Total rules applied 61 place count 584 transition count 463
Reduce places removed 61 places and 0 transitions.
Iterating post reduction 0 with 61 rules applied. Total rules applied 122 place count 523 transition count 463
Applied a total of 122 rules in 97 ms. Remains 523 /584 variables (removed 61) and now considering 463/524 (removed 61) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 97 ms. Remains : 523/584 places, 463/524 transitions.
RANDOM walk for 4000000 steps (16392 resets) in 67121 ms. (59 steps per ms) remains 81/102 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1833 ms. (218 steps per ms) remains 81/81 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1099 ms. (363 steps per ms) remains 81/81 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1164 ms. (343 steps per ms) remains 81/81 properties
BEST_FIRST walk for 400004 steps (43 resets) in 1050 ms. (380 steps per ms) remains 81/81 properties
BEST_FIRST walk for 400004 steps (43 resets) in 1094 ms. (365 steps per ms) remains 81/81 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1205 ms. (331 steps per ms) remains 81/81 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1145 ms. (349 steps per ms) remains 81/81 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1044 ms. (382 steps per ms) remains 81/81 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1076 ms. (371 steps per ms) remains 81/81 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1166 ms. (342 steps per ms) remains 81/81 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1187 ms. (336 steps per ms) remains 81/81 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1179 ms. (338 steps per ms) remains 80/81 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1162 ms. (343 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1172 ms. (341 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1214 ms. (329 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1064 ms. (375 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (43 resets) in 1173 ms. (340 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1203 ms. (332 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1245 ms. (321 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1184 ms. (337 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1097 ms. (364 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1168 ms. (342 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1197 ms. (333 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1181 ms. (338 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400003 steps (44 resets) in 1175 ms. (340 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1173 ms. (340 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1172 ms. (341 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (43 resets) in 1255 ms. (318 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400003 steps (44 resets) in 1627 ms. (245 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1580 ms. (253 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1636 ms. (244 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (42 resets) in 1676 ms. (238 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1653 ms. (241 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1597 ms. (250 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (43 resets) in 1456 ms. (274 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (43 resets) in 1633 ms. (244 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400003 steps (44 resets) in 1579 ms. (253 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1685 ms. (237 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1600 ms. (249 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1778 ms. (224 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1570 ms. (254 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1544 ms. (258 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (43 resets) in 1630 ms. (245 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1660 ms. (240 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1374 ms. (290 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1542 ms. (259 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1630 ms. (245 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (43 resets) in 1721 ms. (232 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (43 resets) in 1485 ms. (269 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1673 ms. (238 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1579 ms. (253 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1649 ms. (242 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1601 ms. (249 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1418 ms. (281 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1584 ms. (252 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (43 resets) in 1683 ms. (237 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1629 ms. (245 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1450 ms. (275 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1359 ms. (294 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1549 ms. (258 steps per ms) remains 80/80 properties
BEST_FIRST walk for 400004 steps (44 resets) in 1649 ms. (242 steps per ms) remains 80/80 properties
// Phase 1: matrix 463 rows 523 cols
[2025-06-01 20:34:39] [INFO ] Computed 136 invariants in 3 ms
[2025-06-01 20:34:39] [INFO ] State equation strengthened by 254 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/160 variables, 160/160 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/160 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 2 (OVERLAPS) 293/453 variables, 88/248 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/453 variables, 293/541 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/453 variables, 0/541 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 5 (OVERLAPS) 70/523 variables, 48/589 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/523 variables, 70/659 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/523 variables, 0/659 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 8 (OVERLAPS) 463/986 variables, 523/1182 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/986 variables, 254/1436 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/986 variables, 0/1436 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 11 (OVERLAPS) 0/986 variables, 0/1436 constraints. Problems are: Problem set: 0 solved, 80 unsolved
No progress, stopping.
After SMT solving in domain Real declared 986/986 variables, and 1436 constraints, problems are : Problem set: 0 solved, 80 unsolved in 15089 ms.
Refiners :[Domain max(s): 523/523 constraints, Positive P Invariants (semi-flows): 136/136 constraints, State Equation: 523/523 constraints, ReadFeed: 254/254 constraints, PredecessorRefiner: 80/80 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/160 variables, 160/160 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/160 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 2 (OVERLAPS) 293/453 variables, 88/248 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/453 variables, 293/541 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/453 variables, 0/541 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 5 (OVERLAPS) 70/523 variables, 48/589 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/523 variables, 70/659 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/523 variables, 0/659 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 8 (OVERLAPS) 463/986 variables, 523/1182 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/986 variables, 254/1436 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/986 variables, 80/1516 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/986 variables, 0/1516 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 12 (OVERLAPS) 0/986 variables, 0/1516 constraints. Problems are: Problem set: 0 solved, 80 unsolved
No progress, stopping.
After SMT solving in domain Int declared 986/986 variables, and 1516 constraints, problems are : Problem set: 0 solved, 80 unsolved in 44955 ms.
Refiners :[Domain max(s): 523/523 constraints, Positive P Invariants (semi-flows): 136/136 constraints, State Equation: 523/523 constraints, ReadFeed: 254/254 constraints, PredecessorRefiner: 80/80 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60134ms problems are : Problem set: 0 solved, 80 unsolved
Parikh walk visited 59 properties in 4277 ms.
Support contains 42 out of 523 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 523/523 places, 463/463 transitions.
Free-agglomeration rule applied 81 times.
Iterating global reduction 0 with 81 rules applied. Total rules applied 81 place count 523 transition count 382
Reduce places removed 81 places and 0 transitions.
Iterating post reduction 0 with 81 rules applied. Total rules applied 162 place count 442 transition count 382
Applied a total of 162 rules in 57 ms. Remains 442 /523 variables (removed 81) and now considering 382/463 (removed 81) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57 ms. Remains : 442/523 places, 382/463 transitions.
RANDOM walk for 4000000 steps (8 resets) in 33308 ms. (120 steps per ms) remains 5/21 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 13292 ms. (300 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 11973 ms. (334 steps per ms) remains 4/5 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 9107 ms. (439 steps per ms) remains 4/4 properties
BEST_FIRST walk for 4000001 steps (8 resets) in 8914 ms. (448 steps per ms) remains 4/4 properties
// Phase 1: matrix 382 rows 442 cols
[2025-06-01 20:36:04] [INFO ] Computed 136 invariants in 2 ms
[2025-06-01 20:36:04] [INFO ] State equation strengthened by 335 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 37/45 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/45 variables, 37/50 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 397/442 variables, 131/181 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/442 variables, 397/578 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/442 variables, 0/578 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 382/824 variables, 442/1020 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/824 variables, 335/1355 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/824 variables, 0/1355 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 0/824 variables, 0/1355 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 824/824 variables, and 1355 constraints, problems are : Problem set: 0 solved, 4 unsolved in 912 ms.
Refiners :[Domain max(s): 442/442 constraints, Positive P Invariants (semi-flows): 136/136 constraints, State Equation: 442/442 constraints, ReadFeed: 335/335 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 37/45 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/45 variables, 37/50 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 397/442 variables, 131/181 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/442 variables, 397/578 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/442 variables, 0/578 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 382/824 variables, 442/1020 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/824 variables, 335/1355 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/824 variables, 4/1359 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/824 variables, 0/1359 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 0/824 variables, 0/1359 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 824/824 variables, and 1359 constraints, problems are : Problem set: 0 solved, 4 unsolved in 867 ms.
Refiners :[Domain max(s): 442/442 constraints, Positive P Invariants (semi-flows): 136/136 constraints, State Equation: 442/442 constraints, ReadFeed: 335/335 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1814ms problems are : Problem set: 0 solved, 4 unsolved
Finished Parikh walk after 1187 steps, including 19 resets, run visited all 4 properties in 6 ms. (steps per millisecond=197 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 4 properties in 11 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 328 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 147850 ms.

BK_STOP 1748810166873

--------------------
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="Parking-PT-832"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is Parking-PT-832, 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 r147-tall-174876819600272"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Parking-PT-832.tgz
mv Parking-PT-832 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 ;