Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r161-tall-174881261100282.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 PolyORBLF-PT-S02J06T10, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r161-tall-174881261100282
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.1M
-rw-r--r-- 1 mcc users 20K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 122K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 27K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 136K 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 8.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 40K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 50K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 47K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 253K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 43K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 217K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.2K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 10 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 1.1M 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 1748858355220

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=PolyORBLF-PT-S02J06T10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-06-02 09:59:16] [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]
[2025-06-02 09:59:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 09:59:16] [INFO ] Load time of PNML (sax parser for PT used): 213 ms
[2025-06-02 09:59:16] [INFO ] Transformed 844 places.
[2025-06-02 09:59:16] [INFO ] Transformed 1812 transitions.
[2025-06-02 09:59:16] [INFO ] Parsed PT model containing 844 places and 1812 transitions and 8302 arcs in 348 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 844/844 places, 1812/1812 transitions.
Ensure Unique test removed 2 places
Ensure Unique test removed 160 transitions
Reduce isomorphic transitions removed 160 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 90 transitions
Trivial Post-agglo rules discarded 90 transitions
Performed 90 trivial Post agglomeration. Transition count delta: 90
Iterating post reduction 0 with 252 rules applied. Total rules applied 252 place count 842 transition count 1562
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 1 with 90 rules applied. Total rules applied 342 place count 752 transition count 1562
Performed 100 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 100 Pre rules applied. Total rules applied 342 place count 752 transition count 1462
Deduced a syphon composed of 100 places in 9 ms
Reduce places removed 100 places and 0 transitions.
Iterating global reduction 2 with 200 rules applied. Total rules applied 542 place count 652 transition count 1462
Performed 80 Post agglomeration using F-continuation condition.Transition count delta: 80
Deduced a syphon composed of 80 places in 5 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 2 with 160 rules applied. Total rules applied 702 place count 572 transition count 1382
Applied a total of 702 rules in 186 ms. Remains 572 /844 variables (removed 272) and now considering 1382/1812 (removed 430) transitions.
Running 1380 sub problems to find dead transitions.
[2025-06-02 09:59:17] [INFO ] Flow matrix only has 1362 transitions (discarded 20 similar events)
// Phase 1: matrix 1362 rows 572 cols
[2025-06-02 09:59:17] [INFO ] Computed 56 invariants in 94 ms
[2025-06-02 09:59:17] [INFO ] State equation strengthened by 120 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/570 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 1380 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/570 variables, 38/54 constraints. Problems are: Problem set: 0 solved, 1380 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:59:33] [INFO ] Deduced a trap composed of 46 places in 187 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:59:33] [INFO ] Deduced a trap composed of 46 places in 131 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:59:33] [INFO ] Deduced a trap composed of 46 places in 176 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:59:33] [INFO ] Deduced a trap composed of 46 places in 79 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:59:33] [INFO ] Deduced a trap composed of 46 places in 66 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:59:34] [INFO ] Deduced a trap composed of 46 places in 134 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:59:34] [INFO ] Deduced a trap composed of 47 places in 128 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:59:34] [INFO ] Deduced a trap composed of 46 places in 375 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:59:35] [INFO ] Deduced a trap composed of 47 places in 362 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:59:35] [INFO ] Deduced a trap composed of 187 places in 430 ms of which 95 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:59:35] [INFO ] Deduced a trap composed of 23 places in 186 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:59:35] [INFO ] Deduced a trap composed of 46 places in 49 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:59:36] [INFO ] Deduced a trap composed of 87 places in 344 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:59:38] [INFO ] Deduced a trap composed of 37 places in 236 ms of which 33 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 570/1934 variables, and 68 constraints, problems are : Problem set: 0 solved, 1380 unsolved in 20082 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 38/40 constraints, State Equation: 0/572 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 1380/1380 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1380 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/570 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 1380 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/570 variables, 38/54 constraints. Problems are: Problem set: 0 solved, 1380 unsolved
SMT process timed out in 42056ms, After SMT, problems are : Problem set: 0 solved, 1380 unsolved
Search for dead transitions found 0 dead transitions in 42107ms
[2025-06-02 09:59:59] [INFO ] Flow matrix only has 1362 transitions (discarded 20 similar events)
[2025-06-02 09:59:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:00:01] [INFO ] Implicit Places using invariants in 2108 ms returned [67, 137, 170, 302, 351, 380, 383, 424, 539, 570]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 2117 ms to find 10 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 562/844 places, 1382/1812 transitions.
Applied a total of 0 rules in 14 ms. Remains 562 /562 variables (removed 0) and now considering 1382/1382 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 44490 ms. Remains : 562/844 places, 1382/1812 transitions.
Initial state reduction rules removed 2 formulas.
[2025-06-02 10:00:02] [INFO ] Flatten gal took : 229 ms
[2025-06-02 10:00:02] [INFO ] Flatten gal took : 145 ms
[2025-06-02 10:00:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9850461866463977348.gal : 88 ms
[2025-06-02 10:00:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11033868410187109283.prop : 16 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/ReachabilityCardinality9850461866463977348.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11033868410187109283.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality11033868410187109283.prop.
RANDOM walk for 40000 steps (15 resets) in 5019 ms. (7 steps per ms) remains 169/1380 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 169/169 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 169/169 properties
BEST_FIRST walk for 402 steps (8 resets) in 11 ms. (33 steps per ms) remains 169/169 properties
BEST_FIRST walk for 401 steps (8 resets) in 8 ms. (44 steps per ms) remains 169/169 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 169/169 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 169/169 properties
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 169/169 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 169/169 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 169/169 properties
BEST_FIRST walk for 401 steps (8 resets) in 9 ms. (40 steps per ms) remains 169/169 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 169/169 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 169/169 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 169/169 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 169/169 properties
BEST_FIRST walk for 400 steps (8 resets) in 10 ms. (36 steps per ms) remains 169/169 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 169/169 properties
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 169/169 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 169/169 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 169/169 properties
BEST_FIRST walk for 402 steps (8 resets) in 15 ms. (25 steps per ms) remains 169/169 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 169/169 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 169/169 properties
BEST_FIRST walk for 402 steps (8 resets) in 6 ms. (57 steps per ms) remains 169/169 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 169/169 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 169/169 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 169/169 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 169/169 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 169/169 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 169/169 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 169/169 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 169/169 properties
BEST_FIRST walk for 401 steps (8 resets) in 12 ms. (30 steps per ms) remains 169/169 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 169/169 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 169/169 properties
BEST_FIRST walk for 402 steps (8 resets) in 5 ms. (67 steps per ms) remains 169/169 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 169/169 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 169/169 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 169/169 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 169/169 properties
BEST_FIRST walk for 400 steps (8 resets) in 9 ms. (40 steps per ms) remains 169/169 properties
BEST_FIRST walk for 402 steps (8 resets) in 11 ms. (33 steps per ms) remains 169/169 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 169/169 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 169/169 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 169/169 properties
BEST_FIRST walk for 400 steps (8 resets) in 8 ms. (44 steps per ms) remains 169/169 properties
BEST_FIRST walk for 402 steps (8 resets) in 13 ms. (28 steps per ms) remains 169/169 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 169/169 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 169/169 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 169/169 properties
BEST_FIRST walk for 402 steps (8 resets) in 5 ms. (67 steps per ms) remains 169/169 properties
[2025-06-02 10:00:03] [INFO ] Flow matrix only has 1362 transitions (discarded 20 similar events)
// Phase 1: matrix 1362 rows 562 cols
[2025-06-02 10:00:03] [INFO ] Computed 46 invariants in 50 ms
[2025-06-02 10:00:03] [INFO ] State equation strengthened by 120 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Reachability property qltransition_563 is true.
Reachability property qltransition_454 is true.
SDD proceeding with computation,1378 properties remain. new max is 2
SDD size :1 after 3
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 169 unsolved
Reachability property qltransition_112 is true.
SDD proceeding with computation,1377 properties remain. new max is 2
SDD size :3 after 6
At refinement iteration 1 (OVERLAPS) 37/114 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 169 unsolved
SDD proceeding with computation,1377 properties remain. new max is 4
SDD size :6 after 7
Reachability property qltransition_799 is true.
Reachability property qltransition_663 is true.
Reachability property qltransition_634 is true.
Reachability property qltransition_608 is true.
Reachability property qltransition_596 is true.
Reachability property qltransition_515 is true.
Reachability property qltransition_510 is true.
Reachability property qltransition_410 is true.
Reachability property qltransition_342 is true.
Reachability property qltransition_338 is true.
Reachability property qltransition_289 is true.
Reachability property qltransition_175 is true.
Reachability property qltransition_95 is true.
Reachability property qltransition_90 is true.
Reachability property qltransition_67 is true.
Reachability property qltransition_62 is true.
Reachability property qltransition_28 is true.
SDD proceeding with computation,1360 properties remain. new max is 4
SDD size :7 after 11
At refinement iteration 2 (INCLUDED_ONLY) 0/114 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 169 unsolved
Reachability property qltransition_613 is true.
Reachability property qltransition_344 is true.
SDD proceeding with computation,1358 properties remain. new max is 4
SDD size :11 after 17
At refinement iteration 3 (OVERLAPS) 2/116 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 169 unsolved
Reachability property qltransition_724 is true.
SDD proceeding with computation,1357 properties remain. new max is 4
SDD size :17 after 23
Reachability property qltransition_350 is true.
SDD proceeding with computation,1356 properties remain. new max is 4
SDD size :23 after 31
Reachability property qltransition_493 is true.
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 169 unsolved
Problem qltransition_2 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 3545ms, After SMT, problems are : Problem set: 1 solved, 168 unsolved
Fused 168 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 77 out of 562 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 562/562 places, 1382/1382 transitions.
SDD proceeding with computation,1355 properties remain. new max is 4
SDD size :31 after 41
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 553 transition count 1373
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 553 transition count 1373
Applied a total of 18 rules in 130 ms. Remains 553 /562 variables (removed 9) and now considering 1373/1382 (removed 9) transitions.
Running 1371 sub problems to find dead transitions.
[2025-06-02 10:00:06] [INFO ] Flow matrix only has 1353 transitions (discarded 20 similar events)
// Phase 1: matrix 1353 rows 553 cols
[2025-06-02 10:00:06] [INFO ] Computed 46 invariants in 31 ms
[2025-06-02 10:00:06] [INFO ] State equation strengthened by 120 read => feed constraints.
Reachability property qltransition_283 is true.
SDD proceeding with computation,1354 properties remain. new max is 4
SDD size :41 after 53
Reachability property qltransition_433 is true.
SDD proceeding with computation,1353 properties remain. new max is 4
SDD size :53 after 67
Reachability property qltransition_1233 is true.
Reachability property qltransition_1222 is true.
SDD proceeding with computation,1351 properties remain. new max is 4
SDD size :67 after 97
Reachability property qltransition_1214 is true.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,1350 properties remain. new max is 4
SDD size :97 after 115
Reachability property qltransition_1217 is true.
SDD proceeding with computation,1349 properties remain. new max is 4
SDD size :115 after 135
Reachability property qltransition_1221 is true.
SDD proceeding with computation,1348 properties remain. new max is 4
SDD size :135 after 157
Reachability property qltransition_1223 is true.
SDD proceeding with computation,1347 properties remain. new max is 4
SDD size :157 after 181
Reachability property qltransition_1226 is true.
SDD proceeding with computation,1346 properties remain. new max is 4
SDD size :181 after 207
SDD proceeding with computation,1346 properties remain. new max is 8
SDD size :207 after 208
SDD proceeding with computation,1346 properties remain. new max is 16
SDD size :208 after 210
SDD proceeding with computation,1346 properties remain. new max is 32
SDD size :210 after 213
SDD proceeding with computation,1346 properties remain. new max is 64
SDD size :213 after 215
SDD proceeding with computation,1346 properties remain. new max is 128
SDD size :215 after 222
SDD proceeding with computation,1346 properties remain. new max is 256
SDD size :222 after 230
Reachability property qltransition_1348 is true.
Reachability property qltransition_1232 is true.
Reachability property qltransition_1228 is true.
Reachability property qltransition_1225 is true.
Reachability property qltransition_1220 is true.
Reachability property qltransition_1218 is true.
Reachability property qltransition_1216 is true.
Reachability property qltransition_1213 is true.
Reachability property qltransition_804 is true.
Reachability property qltransition_645 is true.
Reachability property qltransition_502 is true.
Reachability property qltransition_484 is true.
At refinement iteration 0 (INCLUDED_ONLY) 0/551 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1371 unsolved
Reachability property qltransition_395 is true.
Reachability property qltransition_333 is true.
Reachability property qltransition_249 is true.
Reachability property qltransition_230 is true.
Reachability property qltransition_212 is true.
Reachability property qltransition_211 is true.
At refinement iteration 1 (INCLUDED_ONLY) 0/551 variables, 29/44 constraints. Problems are: Problem set: 0 solved, 1371 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:00:20] [INFO ] Deduced a trap composed of 46 places in 70 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Reachability property qltransition_6 is true.
[2025-06-02 10:00:20] [INFO ] Deduced a trap composed of 46 places in 71 ms of which 6 ms to minimize.
Reachability property qltransition_1 is true.
SDD proceeding with computation,1326 properties remain. new max is 256
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD size :230 after 1343
[2025-06-02 10:00:21] [INFO ] Deduced a trap composed of 47 places in 71 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:00:21] [INFO ] Deduced a trap composed of 46 places in 71 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:00:21] [INFO ] Deduced a trap composed of 46 places in 76 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:00:21] [INFO ] Deduced a trap composed of 46 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Reachability property qltransition_1340 is true.
[2025-06-02 10:00:21] [INFO ] Deduced a trap composed of 46 places in 335 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1325 properties remain. new max is 256
SDD size :1343 after 1346
[2025-06-02 10:00:22] [INFO ] Deduced a trap composed of 187 places in 412 ms of which 87 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:00:22] [INFO ] Deduced a trap composed of 23 places in 198 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:00:22] [INFO ] Deduced a trap composed of 46 places in 52 ms of which 2 ms to minimize.
SDD proceeding with computation,1325 properties remain. new max is 512
SDD size :1346 after 1349
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:00:22] [INFO ] Deduced a trap composed of 46 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:00:22] [INFO ] Deduced a trap composed of 46 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:00:23] [INFO ] Deduced a trap composed of 196 places in 354 ms of which 92 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:00:24] [INFO ] Deduced a trap composed of 87 places in 363 ms of which 67 ms to minimize.
SDD proceeding with computation,1325 properties remain. new max is 1024
SDD size :1349 after 1362
Reachability property qltransition_1236 is true.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:00:25] [INFO ] Deduced a trap composed of 37 places in 210 ms of which 28 ms to minimize.
Reachability property qltransition_811 is true.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 551/1906 variables, and 59 constraints, problems are : Problem set: 0 solved, 1371 unsolved in 20034 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 29/31 constraints, State Equation: 0/553 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 1371/1371 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1371 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/551 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1371 unsolved
Reachability property qltransition_54 is true.
SDD proceeding with computation,1322 properties remain. new max is 1024
SDD size :1362 after 1519
SDD proceeding with computation,1322 properties remain. new max is 2048
SDD size :1519 after 1749
Reachability property qltransition_1346 is true.
SDD proceeding with computation,1321 properties remain. new max is 2048
SDD size :1749 after 2469
Reachability property qltransition_989 is true.
Reachability property qltransition_972 is true.
Reachability property qltransition_971 is true.
Reachability property qltransition_894 is true.
Reachability property qltransition_893 is true.
Reachability property qltransition_872 is true.
Reachability property qltransition_871 is true.
Reachability property qltransition_868 is true.
Reachability property qltransition_867 is true.
Reachability property qltransition_852 is true.
Reachability property qltransition_851 is true.
Reachability property qltransition_850 is true.
Reachability property qltransition_849 is true.
Reachability property qltransition_847 is true.
Reachability property qltransition_835 is true.
Reachability property qltransition_834 is true.
Reachability property qltransition_756 is true.
Reachability property qltransition_720 is true.
At refinement iteration 1 (INCLUDED_ONLY) 0/551 variables, 29/44 constraints. Problems are: Problem set: 0 solved, 1371 unsolved
Reachability property qltransition_651 is true.
Reachability property qltransition_551 is true.
Reachability property qltransition_468 is true.
Reachability property qltransition_327 is true.
Reachability property qltransition_144 is true.
Reachability property qltransition_30 is true.
Reachability property qltransition_15 is true.
SDD proceeding with computation,1296 properties remain. new max is 2048
SDD size :2469 after 3273
Reachability property qltransition_1270 is true.
Reachability property qltransition_1269 is true.
Reachability property qltransition_1240 is true.
Reachability property qltransition_1235 is true.
Reachability property qltransition_1209 is true.
Reachability property qltransition_1207 is true.
Reachability property qltransition_1153 is true.
Reachability property qltransition_1003 is true.
Reachability property qltransition_1002 is true.
Reachability property qltransition_987 is true.
Reachability property qltransition_986 is true.
Reachability property qltransition_975 is true.
At refinement iteration 2 (INCLUDED_ONLY) 0/551 variables, 15/59 constraints. Problems are: Problem set: 0 solved, 1371 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 551/1906 variables, and 59 constraints, problems are : Problem set: 0 solved, 1371 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 29/31 constraints, State Equation: 0/553 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/1371 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41261ms problems are : Problem set: 0 solved, 1371 unsolved
Search for dead transitions found 0 dead transitions in 41266ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41401 ms. Remains : 553/562 places, 1373/1382 transitions.
ITS runner timed out or was interrupted.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:188)
at java.base/java.io.BufferedInputStream.read1(BufferedInputStream.java:343)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:420)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 91582 ms.

BK_STOP 1748858448123

--------------------
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="PolyORBLF-PT-S02J06T10"
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 PolyORBLF-PT-S02J06T10, 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 r161-tall-174881261100282"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-PT-S02J06T10.tgz
mv PolyORBLF-PT-S02J06T10 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 ;