About the Execution of ITS-Tools for DLCround-PT-05b
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 16205.088 | 3600000.00 | 4913928.00 | 601501.20 | ?FFTFTFFFFFFFTFF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r098-tall-177955695600548.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is DLCround-PT-05b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695600548
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 8.3K Mar 6 17:10 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K Mar 6 17:10 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Mar 6 17:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 6 17:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:23 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 09:23 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:23 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:23 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 17:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 121K Mar 6 17:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Mar 6 17:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 6 17:10 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:23 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:23 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 674K 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
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DLCround-PT-05b-LTLFireability-00
FORMULA_NAME DLCround-PT-05b-LTLFireability-01
FORMULA_NAME DLCround-PT-05b-LTLFireability-02
FORMULA_NAME DLCround-PT-05b-LTLFireability-03
FORMULA_NAME DLCround-PT-05b-LTLFireability-04
FORMULA_NAME DLCround-PT-05b-LTLFireability-05
FORMULA_NAME DLCround-PT-05b-LTLFireability-06
FORMULA_NAME DLCround-PT-05b-LTLFireability-07
FORMULA_NAME DLCround-PT-05b-LTLFireability-08
FORMULA_NAME DLCround-PT-05b-LTLFireability-09
FORMULA_NAME DLCround-PT-05b-LTLFireability-10
FORMULA_NAME DLCround-PT-05b-LTLFireability-11
FORMULA_NAME DLCround-PT-05b-LTLFireability-12
FORMULA_NAME DLCround-PT-05b-LTLFireability-13
FORMULA_NAME DLCround-PT-05b-LTLFireability-14
FORMULA_NAME DLCround-PT-05b-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1779631173696
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCround-PT-05b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-24 13:59:34] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 13:59:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 13:59:35] [INFO ] Load time of PNML (sax parser for PT used): 168 ms
[2026-05-24 13:59:35] [INFO ] Transformed 1999 places.
[2026-05-24 13:59:35] [INFO ] Transformed 2887 transitions.
[2026-05-24 13:59:35] [INFO ] Found NUPN structural information;
[2026-05-24 13:59:35] [INFO ] Parsed PT model containing 1999 places and 2887 transitions and 7649 arcs in 297 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA DLCround-PT-05b-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 53 out of 1999 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1999/1999 places, 2887/2887 transitions.
Discarding 343 places :
Symmetric choice reduction at 0 with 343 rule applications. Total rules 343 place count 1656 transition count 2544
Iterating global reduction 0 with 343 rules applied. Total rules applied 686 place count 1656 transition count 2544
Discarding 263 places :
Symmetric choice reduction at 0 with 263 rule applications. Total rules 949 place count 1393 transition count 2281
Iterating global reduction 0 with 263 rules applied. Total rules applied 1212 place count 1393 transition count 2281
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 1218 place count 1393 transition count 2275
Discarding 48 places :
Symmetric choice reduction at 1 with 48 rule applications. Total rules 1266 place count 1345 transition count 2191
Iterating global reduction 1 with 48 rules applied. Total rules applied 1314 place count 1345 transition count 2191
Discarding 32 places :
Symmetric choice reduction at 1 with 32 rule applications. Total rules 1346 place count 1313 transition count 2159
Iterating global reduction 1 with 32 rules applied. Total rules applied 1378 place count 1313 transition count 2159
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 1382 place count 1313 transition count 2155
Discarding 16 places :
Symmetric choice reduction at 2 with 16 rule applications. Total rules 1398 place count 1297 transition count 2139
Iterating global reduction 2 with 16 rules applied. Total rules applied 1414 place count 1297 transition count 2139
Discarding 16 places :
Symmetric choice reduction at 2 with 16 rule applications. Total rules 1430 place count 1281 transition count 2123
Iterating global reduction 2 with 16 rules applied. Total rules applied 1446 place count 1281 transition count 2123
Discarding 16 places :
Symmetric choice reduction at 2 with 16 rule applications. Total rules 1462 place count 1265 transition count 2107
Iterating global reduction 2 with 16 rules applied. Total rules applied 1478 place count 1265 transition count 2107
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 1489 place count 1254 transition count 2096
Iterating global reduction 2 with 11 rules applied. Total rules applied 1500 place count 1254 transition count 2096
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 1507 place count 1247 transition count 2089
Iterating global reduction 2 with 7 rules applied. Total rules applied 1514 place count 1247 transition count 2089
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 1521 place count 1240 transition count 2082
Iterating global reduction 2 with 7 rules applied. Total rules applied 1528 place count 1240 transition count 2082
Applied a total of 1528 rules in 945 ms. Remains 1240 /1999 variables (removed 759) and now considering 2082/2887 (removed 805) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1237020689470381111.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12592027852546276895.kers'
[2026-05-24 13:59:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1237020689470381111.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12592027852546276895.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2082 rows 1240 cols 5967 entries
Finished phase 1 with 1152 SingleSign rule and 0 generalized
[2026-05-24 13:59:36] [INFO ] Computed 88 invariants in 10 ms
Computed 88 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-12592027852546276895.kers
Total runtime 13 ms.
[2026-05-24 13:59:36] [INFO ] Implicit Places using invariants in 626 ms returned []
[2026-05-24 13:59:36] [INFO ] Invariant cache hit.
[2026-05-24 13:59:37] [INFO ] Implicit Places using invariants and state equation in 987 ms returned []
Implicit Place search using SMT with State Equation took 1645 ms to find 0 implicit places.
Running 2081 sub problems to find dead transitions.
[2026-05-24 13:59:37] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1239/3322 variables, and 0 constraints, problems are : Problem set: 0 solved, 2081 unsolved in 30052 ms.
Refiners :[Positive P Invariants (semi-flows): 0/88 constraints, State Equation: 0/1240 constraints, PredecessorRefiner: 2081/2081 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2081 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1239/3322 variables, and 0 constraints, problems are : Problem set: 0 solved, 2081 unsolved in 30047 ms.
Refiners :[Positive P Invariants (semi-flows): 0/88 constraints, State Equation: 0/1240 constraints, PredecessorRefiner: 0/2081 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60781ms problems are : Problem set: 0 solved, 2081 unsolved
Search for dead transitions found 0 dead transitions in 60803ms
Starting structural reductions in LTL mode, iteration 1 : 1240/1999 places, 2082/2887 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 63438 ms. Remains : 1240/1999 places, 2082/2887 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1240/1240 places, 2082/2082 transitions.
Applied a total of 0 rules in 29 ms. Remains 1240 /1240 variables (removed 0) and now considering 2082/2082 (removed 0) transitions.
[2026-05-24 14:00:38] [INFO ] Invariant cache hit.
[2026-05-24 14:00:39] [INFO ] Implicit Places using invariants in 454 ms returned []
[2026-05-24 14:00:39] [INFO ] Invariant cache hit.
[2026-05-24 14:00:40] [INFO ] Implicit Places using invariants and state equation in 999 ms returned []
Implicit Place search using SMT with State Equation took 1458 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1489 ms. Remains : 1240/1240 places, 2082/2082 transitions.
Support contains 53 out of 1240 places after structural reductions.
[2026-05-24 14:00:40] [INFO ] Flatten gal took : 135 ms
[2026-05-24 14:00:40] [INFO ] Flatten gal took : 78 ms
[2026-05-24 14:00:40] [INFO ] Input system was already deterministic with 2082 transitions.
Support contains 51 out of 1240 places (down from 53) after GAL structural reductions.
RANDOM walk for 40000 steps (8 resets) in 1718 ms. (23 steps per ms) remains 2/34 properties
BEST_FIRST walk for 40004 steps (8 resets) in 227 ms. (175 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 143 ms. (277 steps per ms) remains 2/2 properties
[2026-05-24 14:00:44] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 314/320 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/320 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 920/1240 variables, 82/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1240 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2082/3322 variables, 1240/1328 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3322 variables, 0/1328 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/3322 variables, 0/1328 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3322/3322 variables, and 1328 constraints, problems are : Problem set: 0 solved, 2 unsolved in 750 ms.
Refiners :[Positive P Invariants (semi-flows): 88/88 constraints, State Equation: 1240/1240 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 314/320 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/320 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 920/1240 variables, 82/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1240 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2082/3322 variables, 1240/1328 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3322 variables, 2/1330 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3322 variables, 0/1330 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/3322 variables, 0/1330 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3322/3322 variables, and 1330 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1344 ms.
Refiners :[Positive P Invariants (semi-flows): 88/88 constraints, State Equation: 1240/1240 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2123ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 437 steps, including 0 resets, run visited all 2 properties in 5 ms. (steps per millisecond=87 )
Parikh walk visited 2 properties in 12 ms.
FORMULA DLCround-PT-05b-LTLFireability-12 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 175 stabilizing places and 175 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((X(X(p0))||(p1&&F(G((p2||F(p3)))))))))'
Support contains 5 out of 1240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1240/1240 places, 2082/2082 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 1229 transition count 2055
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 1229 transition count 2055
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 26 place count 1225 transition count 2051
Iterating global reduction 0 with 4 rules applied. Total rules applied 30 place count 1225 transition count 2051
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 31 place count 1224 transition count 2050
Iterating global reduction 0 with 1 rules applied. Total rules applied 32 place count 1224 transition count 2050
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 33 place count 1223 transition count 2049
Iterating global reduction 0 with 1 rules applied. Total rules applied 34 place count 1223 transition count 2049
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 35 place count 1222 transition count 2048
Iterating global reduction 0 with 1 rules applied. Total rules applied 36 place count 1222 transition count 2048
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 37 place count 1221 transition count 2047
Iterating global reduction 0 with 1 rules applied. Total rules applied 38 place count 1221 transition count 2047
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 39 place count 1220 transition count 2046
Iterating global reduction 0 with 1 rules applied. Total rules applied 40 place count 1220 transition count 2046
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 41 place count 1219 transition count 2045
Iterating global reduction 0 with 1 rules applied. Total rules applied 42 place count 1219 transition count 2045
Applied a total of 42 rules in 221 ms. Remains 1219 /1240 variables (removed 21) and now considering 2045/2082 (removed 37) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10307717032313214864.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10166702649475105493.kers'
[2026-05-24 14:00:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10307717032313214864.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10166702649475105493.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2045 rows 1219 cols 5857 entries
Finished phase 1 with 1131 SingleSign rule and 0 generalized
[2026-05-24 14:00:47] [INFO ] Computed 88 invariants in 8 ms
Computed 88 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-10166702649475105493.kers
Total runtime 9 ms.
[2026-05-24 14:00:47] [INFO ] Implicit Places using invariants in 451 ms returned []
[2026-05-24 14:00:47] [INFO ] Invariant cache hit.
[2026-05-24 14:00:48] [INFO ] Implicit Places using invariants and state equation in 1078 ms returned []
Implicit Place search using SMT with State Equation took 1533 ms to find 0 implicit places.
Running 2044 sub problems to find dead transitions.
[2026-05-24 14:00:48] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1218/3264 variables, and 0 constraints, problems are : Problem set: 0 solved, 2044 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 0/88 constraints, State Equation: 0/1219 constraints, PredecessorRefiner: 2044/2044 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2044 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1218/3264 variables, and 0 constraints, problems are : Problem set: 0 solved, 2044 unsolved in 30053 ms.
Refiners :[Positive P Invariants (semi-flows): 0/88 constraints, State Equation: 0/1219 constraints, PredecessorRefiner: 0/2044 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60645ms problems are : Problem set: 0 solved, 2044 unsolved
Search for dead transitions found 0 dead transitions in 60652ms
Starting structural reductions in LTL mode, iteration 1 : 1219/1240 places, 2045/2082 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62417 ms. Remains : 1219/1240 places, 2045/2082 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((X(X(p0))||(F(G((p1||F(p2))))&&p3)))))'
Stuttering acceptance computed with spot in 592 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p3))), (NOT p0), (AND (NOT p0) (NOT p1) (NOT p2)), (NOT p0), true, (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : DLCround-PT-05b-LTLFireability-00
Product exploration explored 100000 steps with 1 reset in 449 ms.
Product exploration explored 100000 steps with 1 reset in 539 ms.
Computed a total of 173 stabilizing places and 173 stable transitions
Computed a total of 173 stabilizing places and 173 stable transitions
Detected a total of 173/1219 stabilizing places and 173/2045 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge based reduction with 3 factoid took 75 ms. Reduced automaton from 10 states, 14 edges and 4 AP (stutter sensitive) to 7 states, 10 edges and 3 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 483 ms. (82 steps per ms) remains 2/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 197 ms. (202 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 2/2 properties
[2026-05-24 14:01:51] [INFO ] Invariant cache hit.
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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 118/121 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/121 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1098/1219 variables, 86/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1219 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2045/3264 variables, 1219/1307 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3264 variables, 0/1307 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/3264 variables, 0/1307 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3264/3264 variables, and 1307 constraints, problems are : Problem set: 0 solved, 2 unsolved in 632 ms.
Refiners :[Positive P Invariants (semi-flows): 88/88 constraints, State Equation: 1219/1219 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 118/121 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/121 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1098/1219 variables, 86/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1219 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2045/3264 variables, 1219/1307 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3264 variables, 2/1309 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3264 variables, 0/1309 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/3264 variables, 0/1309 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3264/3264 variables, and 1309 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1236 ms.
Refiners :[Positive P Invariants (semi-flows): 88/88 constraints, State Equation: 1219/1219 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1881ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 207 steps, including 0 resets, run visited all 2 properties in 4 ms. (steps per millisecond=51 )
Parikh walk visited 2 properties in 4 ms.
Knowledge based reduction with 3 factoid took 135 ms. Reduced automaton from 7 states, 10 edges and 3 AP (stutter sensitive) to 7 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 297 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Knowledge-based reduction took 2714 ms.
Stuttering acceptance computed with spot in 320 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Support contains 3 out of 1219 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 1219/1219 places, 2045/2045 transitions.
Applied a total of 0 rules in 41 ms. Remains 1219 /1219 variables (removed 0) and now considering 2045/2045 (removed 0) transitions.
[2026-05-24 14:01:54] [INFO ] Invariant cache hit.
[2026-05-24 14:01:54] [INFO ] Implicit Places using invariants in 456 ms returned []
[2026-05-24 14:01:54] [INFO ] Invariant cache hit.
[2026-05-24 14:01:55] [INFO ] Implicit Places using invariants and state equation in 1116 ms returned []
Implicit Place search using SMT with State Equation took 1574 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1617 ms. Remains : 1219/1219 places, 2045/2045 transitions.
Computed a total of 173 stabilizing places and 173 stable transitions
Computed a total of 173 stabilizing places and 173 stable transitions
Detected a total of 173/1219 stabilizing places and 173/2045 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge based reduction with 2 factoid took 60 ms. Reduced automaton from 7 states, 10 edges and 3 AP (stutter sensitive) to 7 states, 10 edges and 3 AP (stutter sensitive).
RANDOM walk for 30720 steps (6 resets) in 209 ms. (146 steps per ms) remains 0/6 properties
Knowledge based reduction with 2 factoid took 124 ms. Reduced automaton from 7 states, 10 edges and 3 AP (stutter sensitive) to 7 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 308 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Knowledge-based reduction took 629 ms.
Stuttering acceptance computed with spot in 318 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 281 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 1 reset in 358 ms.
Product exploration explored 100000 steps with 2 reset in 504 ms.
Spot run failed in 77 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin3925580578050585290
[2026-05-24 14:01:57] [INFO ] Built C files in 48ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3925580578050585290
Running compilation step : cd /tmp/ltsmin3925580578050585290;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin3925580578050585290;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin3925580578050585290;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 3 out of 1219 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1219/1219 places, 2045/2045 transitions.
Applied a total of 0 rules in 32 ms. Remains 1219 /1219 variables (removed 0) and now considering 2045/2045 (removed 0) transitions.
[2026-05-24 14:02:00] [INFO ] Invariant cache hit.
[2026-05-24 14:02:01] [INFO ] Implicit Places using invariants in 459 ms returned []
[2026-05-24 14:02:01] [INFO ] Invariant cache hit.
[2026-05-24 14:02:02] [INFO ] Implicit Places using invariants and state equation in 1039 ms returned []
Implicit Place search using SMT with State Equation took 1500 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1533 ms. Remains : 1219/1219 places, 2045/2045 transitions.
Built C files in :
/tmp/ltsmin3455857850214906096
[2026-05-24 14:02:02] [INFO ] Built C files in 33ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3455857850214906096
Running compilation step : cd /tmp/ltsmin3455857850214906096;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin3455857850214906096;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin3455857850214906096;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-24 14:02:05] [INFO ] Flatten gal took : 52 ms
[2026-05-24 14:02:05] [INFO ] Flatten gal took : 49 ms
[2026-05-24 14:02:05] [INFO ] Time to serialize gal into /tmp/LTL933918814302731509.gal : 16 ms
[2026-05-24 14:02:05] [INFO ] Time to serialize properties into /tmp/LTL5821309279307245440.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL933918814302731509.gal' '-t' 'CGAL' '-hoa' '/tmp/aut15345536826991109382.hoa' '-atoms' '/tmp/LTL5821309279307245440.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...317
Loading property file /tmp/LTL5821309279307245440.prop.
Loaded 3 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut15345536826991109382.hoa
Detected timeout of ITS tools.
[2026-05-24 14:02:20] [INFO ] Flatten gal took : 41 ms
[2026-05-24 14:02:20] [INFO ] Flatten gal took : 37 ms
[2026-05-24 14:02:20] [INFO ] Time to serialize gal into /tmp/LTL7711614946076220531.gal : 10 ms
[2026-05-24 14:02:20] [INFO ] Time to serialize properties into /tmp/LTL8783721494457213979.ltl : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL7711614946076220531.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL8783721494457213979.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !((X(X((X(X("(p1787==1)")))||((F(G(("(p1781==0)")||(F("(p533==0)")))))&&("((p124==0)||(p1325==0))"))))))
Formula 0 simplified : XX(XX!"(p1787==1)" & (!"((p124==0)||(p1325==0))" | G(F!"(p1781==0)" & FG!"(p533==0)")))
Detected timeout of ITS tools.
[2026-05-24 14:02:36] [INFO ] Flatten gal took : 39 ms
[2026-05-24 14:02:36] [INFO ] Applying decomposition
[2026-05-24 14:02:36] [INFO ] Flatten gal took : 33 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph658401910042871075.txt' '-o' '/tmp/graph658401910042871075.bin' '-w' '/tmp/graph658401910042871075.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph658401910042871075.bin' '-l' '-1' '-v' '-w' '/tmp/graph658401910042871075.weights' '-q' '0' '-e' '0.001'
[2026-05-24 14:02:36] [INFO ] Decomposing Gal with order
[2026-05-24 14:02:36] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 14:02:36] [INFO ] Removed a total of 1710 redundant transitions.
[2026-05-24 14:02:36] [INFO ] Flatten gal took : 145 ms
[2026-05-24 14:02:36] [INFO ] Fuse similar labels procedure discarded/fused a total of 70 labels/synchronizations in 40 ms.
[2026-05-24 14:02:36] [INFO ] Time to serialize gal into /tmp/LTL5496651579708140800.gal : 16 ms
[2026-05-24 14:02:36] [INFO ] Time to serialize properties into /tmp/LTL17754263175002247002.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL5496651579708140800.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL17754263175002247002.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((X(X((X(X("(i6.u418.p1787==1)")))||((F(G(("(i6.u415.p1781==0)")||(F("(i7.i0.i1.u117.p533==0)")))))&&("((i1.i0.i2.u26.p124==0)||(i5.u...176
Formula 0 simplified : XX(XX!"(i6.u418.p1787==1)" & (!"((i1.i0.i2.u26.p124==0)||(i5.u335.p1325==0))" | G(F!"(i6.u415.p1781==0)" & FG!"(i7.i0.i1.u117.p533==...161
Detected timeout of ITS tools.
Treatment of property DLCround-PT-05b-LTLFireability-00 finished in 124893 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(((F(p0) U p1)||(G(p3)&&p2)))))'
Support contains 6 out of 1240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1240/1240 places, 2082/2082 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 1228 transition count 2062
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 1228 transition count 2062
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 30 place count 1222 transition count 2056
Iterating global reduction 0 with 6 rules applied. Total rules applied 36 place count 1222 transition count 2056
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 38 place count 1220 transition count 2054
Iterating global reduction 0 with 2 rules applied. Total rules applied 40 place count 1220 transition count 2054
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 42 place count 1218 transition count 2052
Iterating global reduction 0 with 2 rules applied. Total rules applied 44 place count 1218 transition count 2052
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 46 place count 1216 transition count 2050
Iterating global reduction 0 with 2 rules applied. Total rules applied 48 place count 1216 transition count 2050
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 49 place count 1215 transition count 2049
Iterating global reduction 0 with 1 rules applied. Total rules applied 50 place count 1215 transition count 2049
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 51 place count 1214 transition count 2048
Iterating global reduction 0 with 1 rules applied. Total rules applied 52 place count 1214 transition count 2048
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 53 place count 1213 transition count 2047
Iterating global reduction 0 with 1 rules applied. Total rules applied 54 place count 1213 transition count 2047
Applied a total of 54 rules in 310 ms. Remains 1213 /1240 variables (removed 27) and now considering 2047/2082 (removed 35) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-667815853876077490.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16268229653200770511.kers'
[2026-05-24 14:02:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-667815853876077490.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16268229653200770511.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 2047 rows 1213 cols 5879 entries
Finished phase 1 with 1125 SingleSign rule and 0 generalized
[2026-05-24 14:02:52] [INFO ] Computed 88 invariants in 18 ms
Computed 88 P flows in 19 ms.
Exported basis to /tmp/petrispot-output-16268229653200770511.kers
Total runtime 23 ms.
[2026-05-24 14:02:52] [INFO ] Implicit Places using invariants in 479 ms returned []
[2026-05-24 14:02:52] [INFO ] Invariant cache hit.
[2026-05-24 14:02:53] [INFO ] Implicit Places using invariants and state equation in 1042 ms returned []
Implicit Place search using SMT with State Equation took 1531 ms to find 0 implicit places.
Running 2046 sub problems to find dead transitions.
[2026-05-24 14:02:53] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1212/3260 variables, and 0 constraints, problems are : Problem set: 0 solved, 2046 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 0/88 constraints, State Equation: 0/1213 constraints, PredecessorRefiner: 2046/2046 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2046 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1212/3260 variables, and 0 constraints, problems are : Problem set: 0 solved, 2046 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 0/88 constraints, State Equation: 0/1213 constraints, PredecessorRefiner: 0/2046 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60513ms problems are : Problem set: 0 solved, 2046 unsolved
Search for dead transitions found 0 dead transitions in 60518ms
Starting structural reductions in LTL mode, iteration 1 : 1213/1240 places, 2047/2082 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62374 ms. Remains : 1213/1240 places, 2047/2082 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(((F(p0) U p1)||(G(p3)&&p2)))))'
Stuttering acceptance computed with spot in 219 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p0), (NOT p1), (AND (NOT p0) p1 (NOT p3))]
Running random walk in product with property : DLCround-PT-05b-LTLFireability-01
Product exploration explored 100000 steps with 102 reset in 374 ms.
Product exploration explored 100000 steps with 119 reset in 340 ms.
Computed a total of 171 stabilizing places and 171 stable transitions
Computed a total of 171 stabilizing places and 171 stable transitions
Detected a total of 171/1213 stabilizing places and 171/2047 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge based reduction with 19 factoid took 81 ms. Reduced automaton from 5 states, 10 edges and 4 AP (stutter sensitive) to 4 states, 9 edges and 4 AP (stutter insensitive).
RANDOM walk for 40000 steps (8 resets) in 309 ms. (129 steps per ms) remains 3/10 properties
BEST_FIRST walk for 40002 steps (8 resets) in 263 ms. (151 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 96 ms. (412 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 82 ms. (481 steps per ms) remains 3/3 properties
[2026-05-24 14:03:55] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem apf6 is UNSAT
At refinement iteration 1 (OVERLAPS) 518/524 variables, 37/37 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/524 variables, 0/37 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 689/1213 variables, 51/88 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1213 variables, 0/88 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2047/3260 variables, 1213/1301 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3260 variables, 0/1301 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/3260 variables, 0/1301 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3260/3260 variables, and 1301 constraints, problems are : Problem set: 1 solved, 2 unsolved in 905 ms.
Refiners :[Positive P Invariants (semi-flows): 88/88 constraints, State Equation: 1213/1213 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 518/524 variables, 37/37 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/524 variables, 0/37 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 689/1213 variables, 51/88 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1213 variables, 0/88 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2047/3260 variables, 1213/1301 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3260 variables, 2/1303 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3260 variables, 0/1303 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/3260 variables, 0/1303 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3260/3260 variables, and 1303 constraints, problems are : Problem set: 1 solved, 2 unsolved in 1305 ms.
Refiners :[Positive P Invariants (semi-flows): 88/88 constraints, State Equation: 1213/1213 constraints, PredecessorRefiner: 2/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2221ms problems are : Problem set: 1 solved, 2 unsolved
Finished Parikh walk after 311 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=155 )
Parikh walk visited 2 properties in 98 ms.
Found 1 invariant AP formulas.
Knowledge based reduction with 20 factoid took 211 ms. Reduced automaton from 4 states, 9 edges and 4 AP (stutter insensitive) to 3 states, 6 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 645 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p2) p3) (AND (NOT p0) (NOT p1) p2 (NOT p3)) (AND (NOT p0) (NOT p1) p2 p3) (AND p0 (NOT p1) (NOT p2) (NOT p3)) (AND p0 (NOT p1) (NOT p2) p3) (AND p0 (NOT p1) p2 (NOT p3))), (NOT p0), (NOT p1)]
[2026-05-24 14:03:58] [INFO ] Invariant cache hit.
[2026-05-24 14:03:59] [INFO ] [Real]Absence check using 88 positive place invariants in 323 ms returned sat
[2026-05-24 14:04:10] [INFO ] [Real]Absence check using state equation in 10776 ms returned sat
[2026-05-24 14:04:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 14:04:11] [INFO ] [Nat]Absence check using 88 positive place invariants in 260 ms returned sat
[2026-05-24 14:04:19] [INFO ] [Nat]Absence check using state equation in 8435 ms returned sat
[2026-05-24 14:04:20] [INFO ] Computed and/alt/rep : 1932/3398/1932 causal constraints (skipped 114 transitions) in 98 ms.
[2026-05-24 14:04:25] [INFO ] Added : 225 causal constraints over 45 iterations in 5560 ms. Result :unknown
Could not prove EG (AND p0 (NOT p1) (NOT p2) (NOT p3))
Knowledge-based reduction took 30377 ms.
Stuttering acceptance computed with spot in 121 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p0), (NOT p1)]
Support contains 6 out of 1213 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1213/1213 places, 2047/2047 transitions.
Graph (trivial) has 1101 edges and 1213 vertex of which 314 / 1213 are part of one of the 30 SCC in 9 ms
Free SCC test removed 284 places
Ensure Unique test removed 304 transitions
Reduce isomorphic transitions removed 304 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 204 transitions
Trivial Post-agglo rules discarded 204 transitions
Performed 204 trivial Post agglomeration. Transition count delta: 204
Iterating post reduction 0 with 204 rules applied. Total rules applied 205 place count 928 transition count 1538
Reduce places removed 204 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 1 with 234 rules applied. Total rules applied 439 place count 724 transition count 1508
Reduce places removed 20 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 2 with 22 rules applied. Total rules applied 461 place count 704 transition count 1506
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 463 place count 702 transition count 1506
Performed 93 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 93 Pre rules applied. Total rules applied 463 place count 702 transition count 1413
Deduced a syphon composed of 93 places in 2 ms
Reduce places removed 93 places and 0 transitions.
Iterating global reduction 4 with 186 rules applied. Total rules applied 649 place count 609 transition count 1413
Discarding 38 places :
Symmetric choice reduction at 4 with 38 rule applications. Total rules 687 place count 571 transition count 1179
Iterating global reduction 4 with 38 rules applied. Total rules applied 725 place count 571 transition count 1179
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 729 place count 571 transition count 1175
Performed 212 Post agglomeration using F-continuation condition with reduction of 5 identical transitions.
Deduced a syphon composed of 212 places in 1 ms
Reduce places removed 212 places and 0 transitions.
Iterating global reduction 5 with 424 rules applied. Total rules applied 1153 place count 359 transition count 958
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 1159 place count 359 transition count 952
Discarding 14 places :
Symmetric choice reduction at 6 with 14 rule applications. Total rules 1173 place count 345 transition count 838
Iterating global reduction 6 with 14 rules applied. Total rules applied 1187 place count 345 transition count 838
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 6 with 12 rules applied. Total rules applied 1199 place count 345 transition count 826
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 1203 place count 343 transition count 824
Performed 23 Post agglomeration using F-continuation condition with reduction of 24 identical transitions.
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 7 with 46 rules applied. Total rules applied 1249 place count 320 transition count 1010
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 1251 place count 320 transition count 1008
Discarding 4 places :
Symmetric choice reduction at 8 with 4 rule applications. Total rules 1255 place count 316 transition count 950
Iterating global reduction 8 with 4 rules applied. Total rules applied 1259 place count 316 transition count 950
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 8 with 28 rules applied. Total rules applied 1287 place count 316 transition count 922
Drop transitions (Redundant composition of simpler transitions.) removed 31 transitions
Redundant transition composition rules discarded 31 transitions
Iterating global reduction 9 with 31 rules applied. Total rules applied 1318 place count 316 transition count 891
Discarding 7 places :
Symmetric choice reduction at 9 with 7 rule applications. Total rules 1325 place count 309 transition count 877
Iterating global reduction 9 with 7 rules applied. Total rules applied 1332 place count 309 transition count 877
Discarding 7 places :
Symmetric choice reduction at 9 with 7 rule applications. Total rules 1339 place count 302 transition count 814
Iterating global reduction 9 with 7 rules applied. Total rules applied 1346 place count 302 transition count 814
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 9 with 7 rules applied. Total rules applied 1353 place count 302 transition count 807
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 10 with 2 rules applied. Total rules applied 1355 place count 302 transition count 807
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 10 with 2 rules applied. Total rules applied 1357 place count 302 transition count 805
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 1358 place count 301 transition count 803
Iterating global reduction 10 with 1 rules applied. Total rules applied 1359 place count 301 transition count 803
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 1360 place count 300 transition count 794
Iterating global reduction 10 with 1 rules applied. Total rules applied 1361 place count 300 transition count 794
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 1362 place count 300 transition count 793
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 1363 place count 299 transition count 792
Applied a total of 1363 rules in 334 ms. Remains 299 /1213 variables (removed 914) and now considering 792/2047 (removed 1255) transitions.
[2026-05-24 14:04:25] [INFO ] Flow matrix only has 744 transitions (discarded 48 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8241826985507684194.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11725728858123937708.kers'
[2026-05-24 14:04:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8241826985507684194.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11725728858123937708.kers]
Normalized transition count is 743 out of 744 initially.
Culled 0 columns in 1 ms.
// Phase 1: matrix 743 rows 299 cols 3460 entries
Finished phase 1 with 211 SingleSign rule and 0 generalized
[2026-05-24 14:04:25] [INFO ] Computed 88 invariants in 7 ms
Computed 88 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-11725728858123937708.kers
Total runtime 9 ms.
[2026-05-24 14:04:26] [INFO ] Implicit Places using invariants in 143 ms returned []
[2026-05-24 14:04:26] [INFO ] Flow matrix only has 744 transitions (discarded 48 similar events)
[2026-05-24 14:04:26] [INFO ] Invariant cache hit.
[2026-05-24 14:04:26] [INFO ] State equation strengthened by 67 read => feed constraints.
[2026-05-24 14:04:26] [INFO ] Implicit Places using invariants and state equation in 316 ms returned []
Implicit Place search using SMT with State Equation took 461 ms to find 0 implicit places.
[2026-05-24 14:04:26] [INFO ] Redundant transitions in 38 ms returned []
Running 737 sub problems to find dead transitions.
[2026-05-24 14:04:26] [INFO ] Flow matrix only has 744 transitions (discarded 48 similar events)
[2026-05-24 14:04:26] [INFO ] Invariant cache hit.
[2026-05-24 14:04:26] [INFO ] State equation strengthened by 67 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/296 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 737 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/296 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 737 unsolved
At refinement iteration 2 (OVERLAPS) 3/299 variables, 80/88 constraints. Problems are: Problem set: 0 solved, 737 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/299 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 737 unsolved
At refinement iteration 4 (OVERLAPS) 743/1042 variables, 299/387 constraints. Problems are: Problem set: 0 solved, 737 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1042 variables, 67/454 constraints. Problems are: Problem set: 0 solved, 737 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1042 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 737 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1042/1043 variables, and 454 constraints, problems are : Problem set: 0 solved, 737 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 88/88 constraints, State Equation: 299/299 constraints, ReadFeed: 67/67 constraints, PredecessorRefiner: 737/737 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 737 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/296 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 737 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/296 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 737 unsolved
At refinement iteration 2 (OVERLAPS) 3/299 variables, 80/88 constraints. Problems are: Problem set: 0 solved, 737 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/299 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 737 unsolved
At refinement iteration 4 (OVERLAPS) 743/1042 variables, 299/387 constraints. Problems are: Problem set: 0 solved, 737 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1042 variables, 67/454 constraints. Problems are: Problem set: 0 solved, 737 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1042 variables, 737/1191 constraints. Problems are: Problem set: 0 solved, 737 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1042/1043 variables, and 1201 constraints, problems are : Problem set: 0 solved, 737 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 88/88 constraints, State Equation: 299/299 constraints, ReadFeed: 67/67 constraints, PredecessorRefiner: 737/737 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 10/10 constraints]
After SMT, in 60226ms problems are : Problem set: 0 solved, 737 unsolved
Search for dead transitions found 0 dead transitions in 60228ms
Starting structural reductions in SI_LTL mode, iteration 1 : 299/1213 places, 792/2047 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61075 ms. Remains : 299/1213 places, 792/2047 transitions.
Computed a total of 3 stabilizing places and 34 stable transitions
Computed a total of 3 stabilizing places and 34 stable transitions
Detected a total of 3/299 stabilizing places and 34/792 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge based reduction with 6 factoid took 100 ms. Reduced automaton from 3 states, 6 edges and 4 AP (stutter insensitive) to 3 states, 6 edges and 4 AP (stutter insensitive).
RANDOM walk for 2718 steps (0 resets) in 111 ms. (24 steps per ms) remains 0/6 properties
Knowledge based reduction with 6 factoid took 140 ms. Reduced automaton from 3 states, 6 edges and 4 AP (stutter insensitive) to 3 states, 6 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 113 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p0), (NOT p1)]
[2026-05-24 14:05:27] [INFO ] Flow matrix only has 744 transitions (discarded 48 similar events)
[2026-05-24 14:05:27] [INFO ] Invariant cache hit.
[2026-05-24 14:05:27] [INFO ] [Real]Absence check using 88 positive place invariants in 23 ms returned sat
[2026-05-24 14:05:27] [INFO ] [Real]Absence check using state equation in 253 ms returned sat
[2026-05-24 14:05:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 14:05:27] [INFO ] [Nat]Absence check using 88 positive place invariants in 24 ms returned sat
[2026-05-24 14:05:28] [INFO ] [Nat]Absence check using state equation in 260 ms returned sat
[2026-05-24 14:05:28] [INFO ] State equation strengthened by 67 read => feed constraints.
[2026-05-24 14:05:28] [INFO ] [Nat]Added 67 Read/Feed constraints in 10 ms returned sat
[2026-05-24 14:05:28] [INFO ] Computed and/alt/rep : 430/1080/430 causal constraints (skipped 268 transitions) in 40 ms.
[2026-05-24 14:05:28] [INFO ] Added : 13 causal constraints over 4 iterations in 184 ms. Result :sat
Could not prove EG (AND (NOT p1) (NOT p2))
[2026-05-24 14:05:28] [INFO ] Flow matrix only has 744 transitions (discarded 48 similar events)
[2026-05-24 14:05:28] [INFO ] Invariant cache hit.
[2026-05-24 14:05:28] [INFO ] [Real]Absence check using 88 positive place invariants in 30 ms returned sat
[2026-05-24 14:05:28] [INFO ] [Real]Absence check using state equation in 300 ms returned sat
[2026-05-24 14:05:28] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 14:05:29] [INFO ] [Nat]Absence check using 88 positive place invariants in 23 ms returned sat
[2026-05-24 14:05:29] [INFO ] [Nat]Absence check using state equation in 253 ms returned sat
[2026-05-24 14:05:29] [INFO ] State equation strengthened by 67 read => feed constraints.
[2026-05-24 14:05:29] [INFO ] [Nat]Added 67 Read/Feed constraints in 12 ms returned sat
[2026-05-24 14:05:29] [INFO ] Computed and/alt/rep : 430/1080/430 causal constraints (skipped 268 transitions) in 38 ms.
[2026-05-24 14:05:29] [INFO ] Added : 2 causal constraints over 1 iterations in 123 ms. Result :sat
Could not prove EG (AND (NOT p1) (NOT p3))
Knowledge-based reduction took 2937 ms.
Stuttering acceptance computed with spot in 133 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 104 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p0), (NOT p1)]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA DLCround-PT-05b-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-05b-LTLFireability-01 finished in 158154 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(G(!p0)) U p0)))'
Support contains 2 out of 1240 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1240/1240 places, 2082/2082 transitions.
Graph (trivial) has 1135 edges and 1240 vertex of which 348 / 1240 are part of one of the 28 SCC in 5 ms
Free SCC test removed 320 places
Ensure Unique test removed 346 transitions
Reduce isomorphic transitions removed 346 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 207 transitions
Trivial Post-agglo rules discarded 207 transitions
Performed 207 trivial Post agglomeration. Transition count delta: 207
Iterating post reduction 0 with 207 rules applied. Total rules applied 208 place count 919 transition count 1528
Reduce places removed 207 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 1 with 237 rules applied. Total rules applied 445 place count 712 transition count 1498
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 2 with 20 rules applied. Total rules applied 465 place count 692 transition count 1498
Performed 87 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 87 Pre rules applied. Total rules applied 465 place count 692 transition count 1411
Deduced a syphon composed of 87 places in 3 ms
Reduce places removed 87 places and 0 transitions.
Iterating global reduction 3 with 174 rules applied. Total rules applied 639 place count 605 transition count 1411
Discarding 49 places :
Symmetric choice reduction at 3 with 49 rule applications. Total rules 688 place count 556 transition count 1166
Iterating global reduction 3 with 49 rules applied. Total rules applied 737 place count 556 transition count 1166
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 741 place count 556 transition count 1162
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 5 Pre rules applied. Total rules applied 741 place count 556 transition count 1157
Deduced a syphon composed of 5 places in 3 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 751 place count 551 transition count 1157
Performed 205 Post agglomeration using F-continuation condition with reduction of 6 identical transitions.
Deduced a syphon composed of 205 places in 0 ms
Reduce places removed 205 places and 0 transitions.
Iterating global reduction 4 with 410 rules applied. Total rules applied 1161 place count 346 transition count 946
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 1167 place count 346 transition count 940
Discarding 19 places :
Symmetric choice reduction at 5 with 19 rule applications. Total rules 1186 place count 327 transition count 781
Iterating global reduction 5 with 19 rules applied. Total rules applied 1205 place count 327 transition count 781
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 5 with 16 rules applied. Total rules applied 1221 place count 327 transition count 765
Performed 16 Post agglomeration using F-continuation condition with reduction of 24 identical transitions.
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 6 with 32 rules applied. Total rules applied 1253 place count 311 transition count 874
Discarding 4 places :
Symmetric choice reduction at 6 with 4 rule applications. Total rules 1257 place count 307 transition count 820
Iterating global reduction 6 with 4 rules applied. Total rules applied 1261 place count 307 transition count 820
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 6 with 25 rules applied. Total rules applied 1286 place count 307 transition count 795
Drop transitions (Redundant composition of simpler transitions.) removed 26 transitions
Redundant transition composition rules discarded 26 transitions
Iterating global reduction 7 with 26 rules applied. Total rules applied 1312 place count 307 transition count 769
Discarding 11 places :
Symmetric choice reduction at 7 with 11 rule applications. Total rules 1323 place count 296 transition count 747
Iterating global reduction 7 with 11 rules applied. Total rules applied 1334 place count 296 transition count 747
Discarding 11 places :
Symmetric choice reduction at 7 with 11 rule applications. Total rules 1345 place count 285 transition count 646
Iterating global reduction 7 with 11 rules applied. Total rules applied 1356 place count 285 transition count 646
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 7 with 11 rules applied. Total rules applied 1367 place count 285 transition count 635
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 1368 place count 284 transition count 634
Applied a total of 1368 rules in 177 ms. Remains 284 /1240 variables (removed 956) and now considering 634/2082 (removed 1448) transitions.
[2026-05-24 14:05:30] [INFO ] Flow matrix only has 613 transitions (discarded 21 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4434047636681930575.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12123647443011464387.kers'
[2026-05-24 14:05:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4434047636681930575.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12123647443011464387.kers]
Normalized transition count is 612 out of 613 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 612 rows 284 cols 3046 entries
Finished phase 1 with 196 SingleSign rule and 0 generalized
[2026-05-24 14:05:30] [INFO ] Computed 88 invariants in 5 ms
Computed 88 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-12123647443011464387.kers
Total runtime 6 ms.
[2026-05-24 14:05:30] [INFO ] Implicit Places using invariants in 112 ms returned []
[2026-05-24 14:05:30] [INFO ] Flow matrix only has 613 transitions (discarded 21 similar events)
[2026-05-24 14:05:30] [INFO ] Invariant cache hit.
[2026-05-24 14:05:30] [INFO ] State equation strengthened by 36 read => feed constraints.
[2026-05-24 14:05:30] [INFO ] Implicit Places using invariants and state equation in 244 ms returned []
Implicit Place search using SMT with State Equation took 358 ms to find 0 implicit places.
[2026-05-24 14:05:30] [INFO ] Redundant transitions in 62 ms returned []
Running 577 sub problems to find dead transitions.
[2026-05-24 14:05:30] [INFO ] Flow matrix only has 613 transitions (discarded 21 similar events)
[2026-05-24 14:05:30] [INFO ] Invariant cache hit.
[2026-05-24 14:05:30] [INFO ] State equation strengthened by 36 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/283 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/283 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 2 (OVERLAPS) 1/284 variables, 78/88 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/284 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 4 (OVERLAPS) 612/896 variables, 284/372 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/896 variables, 36/408 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/896 variables, 0/408 constraints. Problems are: Problem set: 0 solved, 577 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 896/897 variables, and 408 constraints, problems are : Problem set: 0 solved, 577 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 88/88 constraints, State Equation: 284/284 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 577/577 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 577 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/283 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/283 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 2 (OVERLAPS) 1/284 variables, 78/88 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/284 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 4 (OVERLAPS) 612/896 variables, 284/372 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/896 variables, 36/408 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/896 variables, 577/985 constraints. Problems are: Problem set: 0 solved, 577 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 896/897 variables, and 985 constraints, problems are : Problem set: 0 solved, 577 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 88/88 constraints, State Equation: 284/284 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 577/577 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60242ms problems are : Problem set: 0 solved, 577 unsolved
Search for dead transitions found 0 dead transitions in 60243ms
Starting structural reductions in SI_LTL mode, iteration 1 : 284/1240 places, 634/2082 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60855 ms. Remains : 284/1240 places, 634/2082 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(G(!p0)) U p0)))'
Stuttering acceptance computed with spot in 39 ms :[(NOT p0), true]
Running random walk in product with property : DLCround-PT-05b-LTLFireability-02
Entered a terminal (fully accepting) state of product in 0 steps with 0 reset in 0 ms.
FORMULA DLCround-PT-05b-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-05b-LTLFireability-02 finished in 60924 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0||F(G(p1))||G(p2)))))'
Support contains 4 out of 1240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1240/1240 places, 2082/2082 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 1227 transition count 2053
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 1227 transition count 2053
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 32 place count 1221 transition count 2047
Iterating global reduction 0 with 6 rules applied. Total rules applied 38 place count 1221 transition count 2047
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 40 place count 1219 transition count 2045
Iterating global reduction 0 with 2 rules applied. Total rules applied 42 place count 1219 transition count 2045
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 44 place count 1217 transition count 2043
Iterating global reduction 0 with 2 rules applied. Total rules applied 46 place count 1217 transition count 2043
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 48 place count 1215 transition count 2041
Iterating global reduction 0 with 2 rules applied. Total rules applied 50 place count 1215 transition count 2041
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 51 place count 1214 transition count 2040
Iterating global reduction 0 with 1 rules applied. Total rules applied 52 place count 1214 transition count 2040
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 53 place count 1213 transition count 2039
Iterating global reduction 0 with 1 rules applied. Total rules applied 54 place count 1213 transition count 2039
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 55 place count 1212 transition count 2038
Iterating global reduction 0 with 1 rules applied. Total rules applied 56 place count 1212 transition count 2038
Applied a total of 56 rules in 334 ms. Remains 1212 /1240 variables (removed 28) and now considering 2038/2082 (removed 44) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3470067722250083055.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4574117182155380515.kers'
[2026-05-24 14:06:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3470067722250083055.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4574117182155380515.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2038 rows 1212 cols 5843 entries
Finished phase 1 with 1124 SingleSign rule and 0 generalized
[2026-05-24 14:06:31] [INFO ] Computed 88 invariants in 8 ms
Computed 88 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-4574117182155380515.kers
Total runtime 9 ms.
[2026-05-24 14:06:31] [INFO ] Implicit Places using invariants in 528 ms returned []
[2026-05-24 14:06:31] [INFO ] Invariant cache hit.
[2026-05-24 14:06:32] [INFO ] Implicit Places using invariants and state equation in 1053 ms returned []
Implicit Place search using SMT with State Equation took 1603 ms to find 0 implicit places.
Running 2037 sub problems to find dead transitions.
[2026-05-24 14:06:32] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1211/3250 variables, and 0 constraints, problems are : Problem set: 0 solved, 2037 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 0/88 constraints, State Equation: 0/1212 constraints, PredecessorRefiner: 2037/2037 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2037 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1211/3250 variables, and 0 constraints, problems are : Problem set: 0 solved, 2037 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 0/88 constraints, State Equation: 0/1212 constraints, PredecessorRefiner: 0/2037 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60468ms problems are : Problem set: 0 solved, 2037 unsolved
Search for dead transitions found 0 dead transitions in 60488ms
Starting structural reductions in LTL mode, iteration 1 : 1212/1240 places, 2038/2082 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62431 ms. Remains : 1212/1240 places, 2038/2082 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0||F(G(p1))||G(p2)))))'
Stuttering acceptance computed with spot in 188 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1))]
Running random walk in product with property : DLCround-PT-05b-LTLFireability-03
Product exploration explored 100000 steps with 33333 reset in 261 ms.
Product exploration explored 100000 steps with 33333 reset in 268 ms.
Computed a total of 171 stabilizing places and 171 stable transitions
Computed a total of 171 stabilizing places and 171 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 5 factoid took 21 ms. Proved property starting from automaton with 5 states, 8 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 91 ms.
FORMULA DLCround-PT-05b-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DLCround-PT-05b-LTLFireability-03 finished in 63279 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 1240 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1240/1240 places, 2082/2082 transitions.
Graph (trivial) has 1135 edges and 1240 vertex of which 348 / 1240 are part of one of the 28 SCC in 3 ms
Free SCC test removed 320 places
Ensure Unique test removed 346 transitions
Reduce isomorphic transitions removed 346 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 206 transitions
Trivial Post-agglo rules discarded 206 transitions
Performed 206 trivial Post agglomeration. Transition count delta: 206
Iterating post reduction 0 with 206 rules applied. Total rules applied 207 place count 919 transition count 1529
Reduce places removed 206 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 1 with 236 rules applied. Total rules applied 443 place count 713 transition count 1499
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 2 with 20 rules applied. Total rules applied 463 place count 693 transition count 1499
Performed 87 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 87 Pre rules applied. Total rules applied 463 place count 693 transition count 1412
Deduced a syphon composed of 87 places in 3 ms
Reduce places removed 87 places and 0 transitions.
Iterating global reduction 3 with 174 rules applied. Total rules applied 637 place count 606 transition count 1412
Discarding 49 places :
Symmetric choice reduction at 3 with 49 rule applications. Total rules 686 place count 557 transition count 1159
Iterating global reduction 3 with 49 rules applied. Total rules applied 735 place count 557 transition count 1159
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 739 place count 557 transition count 1155
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 4 Pre rules applied. Total rules applied 739 place count 557 transition count 1151
Deduced a syphon composed of 4 places in 3 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 747 place count 553 transition count 1151
Performed 206 Post agglomeration using F-continuation condition with reduction of 6 identical transitions.
Deduced a syphon composed of 206 places in 1 ms
Reduce places removed 206 places and 0 transitions.
Iterating global reduction 4 with 412 rules applied. Total rules applied 1159 place count 347 transition count 939
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 1165 place count 347 transition count 933
Discarding 19 places :
Symmetric choice reduction at 5 with 19 rule applications. Total rules 1184 place count 328 transition count 774
Iterating global reduction 5 with 19 rules applied. Total rules applied 1203 place count 328 transition count 774
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 5 with 16 rules applied. Total rules applied 1219 place count 328 transition count 758
Performed 16 Post agglomeration using F-continuation condition with reduction of 24 identical transitions.
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 6 with 32 rules applied. Total rules applied 1251 place count 312 transition count 867
Discarding 4 places :
Symmetric choice reduction at 6 with 4 rule applications. Total rules 1255 place count 308 transition count 813
Iterating global reduction 6 with 4 rules applied. Total rules applied 1259 place count 308 transition count 813
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 6 with 25 rules applied. Total rules applied 1284 place count 308 transition count 788
Drop transitions (Redundant composition of simpler transitions.) removed 27 transitions
Redundant transition composition rules discarded 27 transitions
Iterating global reduction 7 with 27 rules applied. Total rules applied 1311 place count 308 transition count 761
Discarding 12 places :
Symmetric choice reduction at 7 with 12 rule applications. Total rules 1323 place count 296 transition count 737
Iterating global reduction 7 with 12 rules applied. Total rules applied 1335 place count 296 transition count 737
Discarding 12 places :
Symmetric choice reduction at 7 with 12 rule applications. Total rules 1347 place count 284 transition count 627
Iterating global reduction 7 with 12 rules applied. Total rules applied 1359 place count 284 transition count 627
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 7 with 12 rules applied. Total rules applied 1371 place count 284 transition count 615
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 1372 place count 283 transition count 614
Applied a total of 1372 rules in 142 ms. Remains 283 /1240 variables (removed 957) and now considering 614/2082 (removed 1468) transitions.
[2026-05-24 14:07:34] [INFO ] Flow matrix only has 594 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8490461796619644172.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14452512635098297479.kers'
[2026-05-24 14:07:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8490461796619644172.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14452512635098297479.kers]
Normalized transition count is 593 out of 594 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 593 rows 283 cols 2972 entries
Finished phase 1 with 195 SingleSign rule and 0 generalized
[2026-05-24 14:07:34] [INFO ] Computed 88 invariants in 13 ms
Computed 88 P flows in 13 ms.
Exported basis to /tmp/petrispot-output-14452512635098297479.kers
Total runtime 14 ms.
[2026-05-24 14:07:34] [INFO ] Implicit Places using invariants in 141 ms returned []
[2026-05-24 14:07:34] [INFO ] Flow matrix only has 594 transitions (discarded 20 similar events)
[2026-05-24 14:07:34] [INFO ] Invariant cache hit.
[2026-05-24 14:07:34] [INFO ] State equation strengthened by 36 read => feed constraints.
[2026-05-24 14:07:34] [INFO ] Implicit Places using invariants and state equation in 270 ms returned []
Implicit Place search using SMT with State Equation took 412 ms to find 0 implicit places.
[2026-05-24 14:07:34] [INFO ] Redundant transitions in 5 ms returned []
Running 558 sub problems to find dead transitions.
[2026-05-24 14:07:34] [INFO ] Flow matrix only has 594 transitions (discarded 20 similar events)
[2026-05-24 14:07:34] [INFO ] Invariant cache hit.
[2026-05-24 14:07:34] [INFO ] State equation strengthened by 36 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/282 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/282 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 1/283 variables, 78/88 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/283 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (OVERLAPS) 593/876 variables, 283/371 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/876 variables, 36/407 constraints. Problems are: Problem set: 0 solved, 558 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 6 (INCLUDED_ONLY) 0/876 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 558 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 876/877 variables, and 407 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 88/88 constraints, State Equation: 283/283 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/282 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/282 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 1/283 variables, 78/88 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/283 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (OVERLAPS) 593/876 variables, 283/371 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/876 variables, 36/407 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/876 variables, 558/965 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/876 variables, 0/965 constraints. Problems are: Problem set: 0 solved, 558 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 876/877 variables, and 965 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 88/88 constraints, State Equation: 283/283 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60212ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 60213ms
Starting structural reductions in SI_LTL mode, iteration 1 : 283/1240 places, 614/2082 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60781 ms. Remains : 283/1240 places, 614/2082 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Running random walk in product with property : DLCround-PT-05b-LTLFireability-04
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA DLCround-PT-05b-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-05b-LTLFireability-04 finished in 60841 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 1 out of 1240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1240/1240 places, 2082/2082 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 1227 transition count 2053
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 1227 transition count 2053
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 32 place count 1221 transition count 2047
Iterating global reduction 0 with 6 rules applied. Total rules applied 38 place count 1221 transition count 2047
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 40 place count 1219 transition count 2045
Iterating global reduction 0 with 2 rules applied. Total rules applied 42 place count 1219 transition count 2045
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 44 place count 1217 transition count 2043
Iterating global reduction 0 with 2 rules applied. Total rules applied 46 place count 1217 transition count 2043
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 48 place count 1215 transition count 2041
Iterating global reduction 0 with 2 rules applied. Total rules applied 50 place count 1215 transition count 2041
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 51 place count 1214 transition count 2040
Iterating global reduction 0 with 1 rules applied. Total rules applied 52 place count 1214 transition count 2040
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 53 place count 1213 transition count 2039
Iterating global reduction 0 with 1 rules applied. Total rules applied 54 place count 1213 transition count 2039
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 55 place count 1212 transition count 2038
Iterating global reduction 0 with 1 rules applied. Total rules applied 56 place count 1212 transition count 2038
Applied a total of 56 rules in 319 ms. Remains 1212 /1240 variables (removed 28) and now considering 2038/2082 (removed 44) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17904248563749085856.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16532262941363246829.kers'
[2026-05-24 14:08:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17904248563749085856.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16532262941363246829.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2038 rows 1212 cols 5843 entries
Finished phase 1 with 1124 SingleSign rule and 0 generalized
[2026-05-24 14:08:35] [INFO ] Computed 88 invariants in 8 ms
Computed 88 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-16532262941363246829.kers
Total runtime 20 ms.
[2026-05-24 14:08:35] [INFO ] Implicit Places using invariants in 540 ms returned []
[2026-05-24 14:08:35] [INFO ] Invariant cache hit.
[2026-05-24 14:08:36] [INFO ] Implicit Places using invariants and state equation in 983 ms returned []
Implicit Place search using SMT with State Equation took 1543 ms to find 0 implicit places.
Running 2037 sub problems to find dead transitions.
[2026-05-24 14:08:36] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1211/3250 variables, and 0 constraints, problems are : Problem set: 0 solved, 2037 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 0/88 constraints, State Equation: 0/1212 constraints, PredecessorRefiner: 2037/2037 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2037 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1211/3250 variables, and 0 constraints, problems are : Problem set: 0 solved, 2037 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 0/88 constraints, State Equation: 0/1212 constraints, PredecessorRefiner: 0/2037 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60554ms problems are : Problem set: 0 solved, 2037 unsolved
Search for dead transitions found 0 dead transitions in 60561ms
Starting structural reductions in LTL mode, iteration 1 : 1212/1240 places, 2038/2082 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62443 ms. Remains : 1212/1240 places, 2038/2082 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Stuttering acceptance computed with spot in 62 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : DLCround-PT-05b-LTLFireability-06
Entered a terminal (fully accepting) state of product in 4044 steps with 0 reset in 18 ms.
FORMULA DLCround-PT-05b-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-05b-LTLFireability-06 finished in 62553 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0||G(p1)))))'
Support contains 3 out of 1240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1240/1240 places, 2082/2082 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 1227 transition count 2053
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 1227 transition count 2053
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 31 place count 1222 transition count 2048
Iterating global reduction 0 with 5 rules applied. Total rules applied 36 place count 1222 transition count 2048
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 38 place count 1220 transition count 2046
Iterating global reduction 0 with 2 rules applied. Total rules applied 40 place count 1220 transition count 2046
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 42 place count 1218 transition count 2044
Iterating global reduction 0 with 2 rules applied. Total rules applied 44 place count 1218 transition count 2044
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 46 place count 1216 transition count 2042
Iterating global reduction 0 with 2 rules applied. Total rules applied 48 place count 1216 transition count 2042
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 49 place count 1215 transition count 2041
Iterating global reduction 0 with 1 rules applied. Total rules applied 50 place count 1215 transition count 2041
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 51 place count 1214 transition count 2040
Iterating global reduction 0 with 1 rules applied. Total rules applied 52 place count 1214 transition count 2040
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 53 place count 1213 transition count 2039
Iterating global reduction 0 with 1 rules applied. Total rules applied 54 place count 1213 transition count 2039
Applied a total of 54 rules in 292 ms. Remains 1213 /1240 variables (removed 27) and now considering 2039/2082 (removed 43) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5111042197407771473.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3503903959479168144.kers'
[2026-05-24 14:09:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5111042197407771473.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3503903959479168144.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2039 rows 1213 cols 5845 entries
Finished phase 1 with 1125 SingleSign rule and 0 generalized
[2026-05-24 14:09:37] [INFO ] Computed 88 invariants in 8 ms
Computed 88 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-3503903959479168144.kers
Total runtime 10 ms.
[2026-05-24 14:09:38] [INFO ] Implicit Places using invariants in 492 ms returned []
[2026-05-24 14:09:38] [INFO ] Invariant cache hit.
[2026-05-24 14:09:39] [INFO ] Implicit Places using invariants and state equation in 1048 ms returned []
Implicit Place search using SMT with State Equation took 1578 ms to find 0 implicit places.
Running 2038 sub problems to find dead transitions.
[2026-05-24 14:09:39] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1212/3252 variables, and 0 constraints, problems are : Problem set: 0 solved, 2038 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 0/88 constraints, State Equation: 0/1213 constraints, PredecessorRefiner: 2038/2038 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2038 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1212/3252 variables, and 0 constraints, problems are : Problem set: 0 solved, 2038 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 0/88 constraints, State Equation: 0/1213 constraints, PredecessorRefiner: 0/2038 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60463ms problems are : Problem set: 0 solved, 2038 unsolved
Search for dead transitions found 0 dead transitions in 60466ms
Starting structural reductions in LTL mode, iteration 1 : 1213/1240 places, 2039/2082 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62341 ms. Remains : 1213/1240 places, 2039/2082 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((G(p0)||p1))))'
Stuttering acceptance computed with spot in 124 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : DLCround-PT-05b-LTLFireability-07
Entered a terminal (fully accepting) state of product in 441 steps with 0 reset in 3 ms.
FORMULA DLCround-PT-05b-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-05b-LTLFireability-07 finished in 62502 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X((X(X(X(p0))) U p1)))&&F(p0)))'
Support contains 4 out of 1240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1240/1240 places, 2082/2082 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 1226 transition count 2052
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 1226 transition count 2052
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 34 place count 1220 transition count 2046
Iterating global reduction 0 with 6 rules applied. Total rules applied 40 place count 1220 transition count 2046
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 42 place count 1218 transition count 2044
Iterating global reduction 0 with 2 rules applied. Total rules applied 44 place count 1218 transition count 2044
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 46 place count 1216 transition count 2042
Iterating global reduction 0 with 2 rules applied. Total rules applied 48 place count 1216 transition count 2042
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 50 place count 1214 transition count 2040
Iterating global reduction 0 with 2 rules applied. Total rules applied 52 place count 1214 transition count 2040
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 53 place count 1213 transition count 2039
Iterating global reduction 0 with 1 rules applied. Total rules applied 54 place count 1213 transition count 2039
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 55 place count 1212 transition count 2038
Iterating global reduction 0 with 1 rules applied. Total rules applied 56 place count 1212 transition count 2038
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 57 place count 1211 transition count 2037
Iterating global reduction 0 with 1 rules applied. Total rules applied 58 place count 1211 transition count 2037
Applied a total of 58 rules in 308 ms. Remains 1211 /1240 variables (removed 29) and now considering 2037/2082 (removed 45) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3820724469872041187.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5170239283471135568.kers'
[2026-05-24 14:10:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3820724469872041187.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5170239283471135568.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 2037 rows 1211 cols 5841 entries
Finished phase 1 with 1123 SingleSign rule and 0 generalized
[2026-05-24 14:10:40] [INFO ] Computed 88 invariants in 17 ms
Computed 88 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-5170239283471135568.kers
Total runtime 19 ms.
[2026-05-24 14:10:40] [INFO ] Implicit Places using invariants in 450 ms returned []
[2026-05-24 14:10:40] [INFO ] Invariant cache hit.
[2026-05-24 14:10:41] [INFO ] Implicit Places using invariants and state equation in 1025 ms returned []
Implicit Place search using SMT with State Equation took 1483 ms to find 0 implicit places.
Running 2036 sub problems to find dead transitions.
[2026-05-24 14:10:41] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1210/3248 variables, and 0 constraints, problems are : Problem set: 0 solved, 2036 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 0/88 constraints, State Equation: 0/1211 constraints, PredecessorRefiner: 2036/2036 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2036 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1210/3248 variables, and 0 constraints, problems are : Problem set: 0 solved, 2036 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 0/88 constraints, State Equation: 0/1211 constraints, PredecessorRefiner: 0/2036 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60494ms problems are : Problem set: 0 solved, 2036 unsolved
Search for dead transitions found 0 dead transitions in 60498ms
Starting structural reductions in LTL mode, iteration 1 : 1211/1240 places, 2037/2082 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62299 ms. Remains : 1211/1240 places, 2037/2082 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X((X(X(X(p0))) U p1)))&&F(p0)))'
Stuttering acceptance computed with spot in 325 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p1), (OR (NOT p0) (NOT p1)), (NOT p0), (NOT p0), true]
Running random walk in product with property : DLCround-PT-05b-LTLFireability-08
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 1 ms.
FORMULA DLCround-PT-05b-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-05b-LTLFireability-08 finished in 62669 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(X(F(p0))) U p1)&&X(p2)))'
Support contains 6 out of 1240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1240/1240 places, 2082/2082 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 1228 transition count 2062
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 1228 transition count 2062
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 30 place count 1222 transition count 2056
Iterating global reduction 0 with 6 rules applied. Total rules applied 36 place count 1222 transition count 2056
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 38 place count 1220 transition count 2054
Iterating global reduction 0 with 2 rules applied. Total rules applied 40 place count 1220 transition count 2054
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 42 place count 1218 transition count 2052
Iterating global reduction 0 with 2 rules applied. Total rules applied 44 place count 1218 transition count 2052
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 46 place count 1216 transition count 2050
Iterating global reduction 0 with 2 rules applied. Total rules applied 48 place count 1216 transition count 2050
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 49 place count 1215 transition count 2049
Iterating global reduction 0 with 1 rules applied. Total rules applied 50 place count 1215 transition count 2049
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 51 place count 1214 transition count 2048
Iterating global reduction 0 with 1 rules applied. Total rules applied 52 place count 1214 transition count 2048
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 53 place count 1213 transition count 2047
Iterating global reduction 0 with 1 rules applied. Total rules applied 54 place count 1213 transition count 2047
Applied a total of 54 rules in 293 ms. Remains 1213 /1240 variables (removed 27) and now considering 2047/2082 (removed 35) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-923671913234435806.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3019328389616714157.kers'
[2026-05-24 14:11:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-923671913234435806.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3019328389616714157.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 2047 rows 1213 cols 5879 entries
Finished phase 1 with 1125 SingleSign rule and 0 generalized
[2026-05-24 14:11:43] [INFO ] Computed 88 invariants in 19 ms
Computed 88 P flows in 20 ms.
Exported basis to /tmp/petrispot-output-3019328389616714157.kers
Total runtime 24 ms.
[2026-05-24 14:11:43] [INFO ] Implicit Places using invariants in 478 ms returned []
[2026-05-24 14:11:43] [INFO ] Invariant cache hit.
[2026-05-24 14:11:44] [INFO ] Implicit Places using invariants and state equation in 1022 ms returned []
Implicit Place search using SMT with State Equation took 1502 ms to find 0 implicit places.
Running 2046 sub problems to find dead transitions.
[2026-05-24 14:11:44] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1212/3260 variables, and 0 constraints, problems are : Problem set: 0 solved, 2046 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 0/88 constraints, State Equation: 0/1213 constraints, PredecessorRefiner: 2046/2046 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2046 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1212/3260 variables, and 0 constraints, problems are : Problem set: 0 solved, 2046 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 0/88 constraints, State Equation: 0/1213 constraints, PredecessorRefiner: 0/2046 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60487ms problems are : Problem set: 0 solved, 2046 unsolved
Search for dead transitions found 0 dead transitions in 60492ms
Starting structural reductions in LTL mode, iteration 1 : 1213/1240 places, 2047/2082 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62295 ms. Remains : 1213/1240 places, 2047/2082 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(X(F(p0))) U p1)&&X(p2)))'
Stuttering acceptance computed with spot in 194 ms :[(OR (NOT p2) (NOT p1)), (NOT p2), (OR (NOT p1) (NOT p0)), true, (NOT p0)]
Running random walk in product with property : DLCround-PT-05b-LTLFireability-09
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA DLCround-PT-05b-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-05b-LTLFireability-09 finished in 62534 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0) U p1) U (G(p2)||(!p1&&X(p3)))))'
Support contains 5 out of 1240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1240/1240 places, 2082/2082 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 1226 transition count 2052
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 1226 transition count 2052
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 34 place count 1220 transition count 2046
Iterating global reduction 0 with 6 rules applied. Total rules applied 40 place count 1220 transition count 2046
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 42 place count 1218 transition count 2044
Iterating global reduction 0 with 2 rules applied. Total rules applied 44 place count 1218 transition count 2044
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 46 place count 1216 transition count 2042
Iterating global reduction 0 with 2 rules applied. Total rules applied 48 place count 1216 transition count 2042
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 49 place count 1215 transition count 2041
Iterating global reduction 0 with 1 rules applied. Total rules applied 50 place count 1215 transition count 2041
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 51 place count 1214 transition count 2040
Iterating global reduction 0 with 1 rules applied. Total rules applied 52 place count 1214 transition count 2040
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 53 place count 1213 transition count 2039
Iterating global reduction 0 with 1 rules applied. Total rules applied 54 place count 1213 transition count 2039
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 55 place count 1212 transition count 2038
Iterating global reduction 0 with 1 rules applied. Total rules applied 56 place count 1212 transition count 2038
Applied a total of 56 rules in 308 ms. Remains 1212 /1240 variables (removed 28) and now considering 2038/2082 (removed 44) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10741259823621981702.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1827706998680769676.kers'
[2026-05-24 14:12:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10741259823621981702.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1827706998680769676.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 2038 rows 1212 cols 5843 entries
Finished phase 1 with 1124 SingleSign rule and 0 generalized
[2026-05-24 14:12:45] [INFO ] Computed 88 invariants in 18 ms
Computed 88 P flows in 19 ms.
Exported basis to /tmp/petrispot-output-1827706998680769676.kers
Total runtime 24 ms.
[2026-05-24 14:12:46] [INFO ] Implicit Places using invariants in 503 ms returned []
[2026-05-24 14:12:46] [INFO ] Invariant cache hit.
[2026-05-24 14:12:47] [INFO ] Implicit Places using invariants and state equation in 1072 ms returned []
Implicit Place search using SMT with State Equation took 1578 ms to find 0 implicit places.
Running 2037 sub problems to find dead transitions.
[2026-05-24 14:12:47] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1211/3250 variables, and 0 constraints, problems are : Problem set: 0 solved, 2037 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 0/88 constraints, State Equation: 0/1212 constraints, PredecessorRefiner: 2037/2037 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2037 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1211/3250 variables, and 0 constraints, problems are : Problem set: 0 solved, 2037 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 0/88 constraints, State Equation: 0/1212 constraints, PredecessorRefiner: 0/2037 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60492ms problems are : Problem set: 0 solved, 2037 unsolved
Search for dead transitions found 0 dead transitions in 60497ms
Starting structural reductions in LTL mode, iteration 1 : 1212/1240 places, 2038/2082 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62392 ms. Remains : 1212/1240 places, 2038/2082 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0) U p1) U (G(p2)||(!p1&&X(p3)))))'
Stuttering acceptance computed with spot in 335 ms :[(OR (AND (NOT p2) (NOT p3)) (AND p1 (NOT p2))), (AND p1 (NOT p0) (NOT p3)), (AND (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2) p1 (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (NOT p0), (NOT p1), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : DLCround-PT-05b-LTLFireability-10
Product exploration explored 100000 steps with 27 reset in 393 ms.
Product exploration explored 100000 steps with 23 reset in 485 ms.
Computed a total of 171 stabilizing places and 171 stable transitions
Computed a total of 171 stabilizing places and 171 stable transitions
Knowledge based reduction with 46 factoid took 180 ms. Reduced automaton from 10 states, 34 edges and 4 AP (stutter sensitive) to 10 states, 34 edges and 4 AP (stutter sensitive).
RANDOM walk for 28931 steps (5 resets) in 212 ms. (135 steps per ms) remains 0/24 properties
Knowledge based reduction with 46 factoid took 422 ms. Reduced automaton from 10 states, 34 edges and 4 AP (stutter sensitive) to 10 states, 34 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 447 ms :[(OR (AND (NOT p2) (NOT p3)) (AND p1 (NOT p2))), (AND p1 (NOT p0) (NOT p3)), (AND (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p0) p1 (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (NOT p0), (NOT p1), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2))]
[2026-05-24 14:13:50] [INFO ] Invariant cache hit.
[2026-05-24 14:13:51] [INFO ] [Real]Absence check using 88 positive place invariants in 403 ms returned sat
[2026-05-24 14:14:00] [INFO ] [Real]Absence check using state equation in 9138 ms returned sat
[2026-05-24 14:14:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 14:14:01] [INFO ] [Nat]Absence check using 88 positive place invariants in 310 ms returned sat
[2026-05-24 14:14:08] [INFO ] [Nat]Absence check using state equation in 7102 ms returned sat
[2026-05-24 14:14:08] [INFO ] Computed and/alt/rep : 1923/3389/1923 causal constraints (skipped 114 transitions) in 224 ms.
Could not prove EG (AND (NOT p2) (NOT p3))
[2026-05-24 14:14:15] [INFO ] Invariant cache hit.
[2026-05-24 14:14:16] [INFO ] [Real]Absence check using 88 positive place invariants in 324 ms returned sat
[2026-05-24 14:14:23] [INFO ] [Real]Absence check using state equation in 7040 ms returned sat
[2026-05-24 14:14:23] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 14:14:24] [INFO ] [Nat]Absence check using 88 positive place invariants in 305 ms returned sat
[2026-05-24 14:14:31] [INFO ] [Nat]Absence check using state equation in 6775 ms returned sat
[2026-05-24 14:14:31] [INFO ] Computed and/alt/rep : 1923/3389/1923 causal constraints (skipped 114 transitions) in 200 ms.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1143)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:881)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:593)
at fr.lip6.move.gal.application.solver.ltl.knowledge.KnowledgeFacts.computeEGknowledge(KnowledgeFacts.java:231)
at fr.lip6.move.gal.application.solver.ltl.knowledge.KnowledgeOrchestrator.applyKnowledgeBasedReductions(KnowledgeOrchestrator.java:52)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:248)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-24 14:14:38] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression EG (AND p1 (NOT p2))
Could not prove EG (AND p1 (NOT p2))
Knowledge-based reduction took 49571 ms.
Stuttering acceptance computed with spot in 349 ms :[(OR (AND (NOT p2) (NOT p3)) (AND p1 (NOT p2))), (AND p1 (NOT p0) (NOT p3)), (AND (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p0) p1 (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (NOT p0), (NOT p1), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2))]
Support contains 5 out of 1212 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1212/1212 places, 2038/2038 transitions.
Applied a total of 0 rules in 31 ms. Remains 1212 /1212 variables (removed 0) and now considering 2038/2038 (removed 0) transitions.
[2026-05-24 14:14:38] [INFO ] Invariant cache hit.
[2026-05-24 14:14:39] [INFO ] Implicit Places using invariants in 426 ms returned []
[2026-05-24 14:14:39] [INFO ] Invariant cache hit.
[2026-05-24 14:14:40] [INFO ] Implicit Places using invariants and state equation in 1036 ms returned []
Implicit Place search using SMT with State Equation took 1491 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1523 ms. Remains : 1212/1212 places, 2038/2038 transitions.
Computed a total of 171 stabilizing places and 171 stable transitions
Computed a total of 171 stabilizing places and 171 stable transitions
Knowledge based reduction with 46 factoid took 162 ms. Reduced automaton from 10 states, 34 edges and 4 AP (stutter sensitive) to 10 states, 34 edges and 4 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 318 ms. (125 steps per ms) remains 4/24 properties
BEST_FIRST walk for 40004 steps (8 resets) in 45 ms. (869 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 55 ms. (714 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 4/4 properties
BEST_FIRST walk for 39518 steps (8 resets) in 34 ms. (1129 steps per ms) remains 0/4 properties
Knowledge based reduction with 46 factoid took 519 ms. Reduced automaton from 10 states, 34 edges and 4 AP (stutter sensitive) to 10 states, 34 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 322 ms :[(OR (AND (NOT p2) (NOT p3)) (AND p1 (NOT p2))), (AND p1 (NOT p0) (NOT p3)), (AND (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p0) p1 (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (NOT p0), (NOT p1), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2))]
[2026-05-24 14:14:41] [INFO ] Invariant cache hit.
[2026-05-24 14:14:42] [INFO ] [Real]Absence check using 88 positive place invariants in 394 ms returned sat
[2026-05-24 14:14:51] [INFO ] [Real]Absence check using state equation in 9133 ms returned sat
[2026-05-24 14:14:51] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 14:14:52] [INFO ] [Nat]Absence check using 88 positive place invariants in 318 ms returned sat
[2026-05-24 14:14:59] [INFO ] [Nat]Absence check using state equation in 6979 ms returned sat
[2026-05-24 14:14:59] [INFO ] Computed and/alt/rep : 1923/3389/1923 causal constraints (skipped 114 transitions) in 109 ms.
Could not prove EG (AND (NOT p2) (NOT p3))
[2026-05-24 14:15:06] [INFO ] Invariant cache hit.
[2026-05-24 14:15:07] [INFO ] [Real]Absence check using 88 positive place invariants in 333 ms returned sat
[2026-05-24 14:15:14] [INFO ] [Real]Absence check using state equation in 6917 ms returned sat
[2026-05-24 14:15:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 14:15:15] [INFO ] [Nat]Absence check using 88 positive place invariants in 313 ms returned sat
[2026-05-24 14:15:22] [INFO ] [Nat]Absence check using state equation in 6853 ms returned sat
[2026-05-24 14:15:22] [INFO ] Computed and/alt/rep : 1923/3389/1923 causal constraints (skipped 114 transitions) in 111 ms.
Could not prove EG (AND p1 (NOT p2))
Knowledge-based reduction took 49413 ms.
Stuttering acceptance computed with spot in 312 ms :[(OR (AND (NOT p2) (NOT p3)) (AND p1 (NOT p2))), (AND p1 (NOT p0) (NOT p3)), (AND (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p0) p1 (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (NOT p0), (NOT p1), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 326 ms :[(OR (AND (NOT p2) (NOT p3)) (AND p1 (NOT p2))), (AND p1 (NOT p0) (NOT p3)), (AND (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p0) p1 (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (NOT p0), (NOT p1), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 25 reset in 358 ms.
Product exploration explored 100000 steps with 29 reset in 434 ms.
Spot run failed in 49 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin12015839272360638340
[2026-05-24 14:15:31] [INFO ] Built C files in 20ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12015839272360638340
Running compilation step : cd /tmp/ltsmin12015839272360638340;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin12015839272360638340;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin12015839272360638340;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 5 out of 1212 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1212/1212 places, 2038/2038 transitions.
Applied a total of 0 rules in 31 ms. Remains 1212 /1212 variables (removed 0) and now considering 2038/2038 (removed 0) transitions.
[2026-05-24 14:15:34] [INFO ] Invariant cache hit.
[2026-05-24 14:15:34] [INFO ] Implicit Places using invariants in 413 ms returned []
[2026-05-24 14:15:34] [INFO ] Invariant cache hit.
[2026-05-24 14:15:35] [INFO ] Implicit Places using invariants and state equation in 962 ms returned []
Implicit Place search using SMT with State Equation took 1400 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1440 ms. Remains : 1212/1212 places, 2038/2038 transitions.
Built C files in :
/tmp/ltsmin9818067662179642072
[2026-05-24 14:15:35] [INFO ] Built C files in 21ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9818067662179642072
Running compilation step : cd /tmp/ltsmin9818067662179642072;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin9818067662179642072;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin9818067662179642072;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-24 14:15:38] [INFO ] Flatten gal took : 55 ms
[2026-05-24 14:15:38] [INFO ] Flatten gal took : 26 ms
[2026-05-24 14:15:38] [INFO ] Time to serialize gal into /tmp/LTL5472974472704023288.gal : 7 ms
[2026-05-24 14:15:38] [INFO ] Time to serialize properties into /tmp/LTL18195920977468326279.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL5472974472704023288.gal' '-t' 'CGAL' '-hoa' '/tmp/aut15287961710858049019.hoa' '-atoms' '/tmp/LTL18195920977468326279.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL18195920977468326279.prop.
Loaded 4 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut15287961710858049019.hoa
Detected timeout of ITS tools.
[2026-05-24 14:15:54] [INFO ] Flatten gal took : 24 ms
[2026-05-24 14:15:54] [INFO ] Flatten gal took : 28 ms
[2026-05-24 14:15:54] [INFO ] Time to serialize gal into /tmp/LTL13799545180500153166.gal : 6 ms
[2026-05-24 14:15:54] [INFO ] Time to serialize properties into /tmp/LTL10523499923766388745.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL13799545180500153166.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL10523499923766388745.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 1 LTL properties
Checking formula 0 : !((((F("(p1053==1)"))U("(p81!=1)"))U((G("(p529==1)"))||(("(p81==1)")&&(X("((p838==1)&&(p1475==1))"))))))
Formula 0 simplified : (G!"(p1053==1)" R !"(p81!=1)") R (F!"(p529==1)" & (!"(p81==1)" | X!"((p838==1)&&(p1475==1))"))
Detected timeout of ITS tools.
[2026-05-24 14:16:09] [INFO ] Flatten gal took : 24 ms
[2026-05-24 14:16:09] [INFO ] Applying decomposition
[2026-05-24 14:16:09] [INFO ] Flatten gal took : 22 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph12188333745885558616.txt' '-o' '/tmp/graph12188333745885558616.bin' '-w' '/tmp/graph12188333745885558616.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph12188333745885558616.bin' '-l' '-1' '-v' '-w' '/tmp/graph12188333745885558616.weights' '-q' '0' '-e' '0.001'
[2026-05-24 14:16:09] [INFO ] Decomposing Gal with order
[2026-05-24 14:16:09] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 14:16:09] [INFO ] Removed a total of 1716 redundant transitions.
[2026-05-24 14:16:09] [INFO ] Flatten gal took : 120 ms
[2026-05-24 14:16:09] [INFO ] Fuse similar labels procedure discarded/fused a total of 63 labels/synchronizations in 39 ms.
[2026-05-24 14:16:09] [INFO ] Time to serialize gal into /tmp/LTL835713132532818770.gal : 23 ms
[2026-05-24 14:16:09] [INFO ] Time to serialize properties into /tmp/LTL7143043887204840473.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL835713132532818770.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL7143043887204840473.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...253
Read 1 LTL properties
Checking formula 0 : !((((F("(i19.u258.p1053==1)"))U("(i0.i1.i2.u19.p81!=1)"))U((G("(i6.u116.p529==1)"))||(("(i0.i1.i2.u19.p81==1)")&&(X("((i13.u198.p838==...186
Formula 0 simplified : (G!"(i19.u258.p1053==1)" R !"(i0.i1.i2.u19.p81!=1)") R (F!"(i6.u116.p529==1)" & (!"(i0.i1.i2.u19.p81==1)" | X!"((i13.u198.p838==1)&&...178
Detected timeout of ITS tools.
Treatment of property DLCround-PT-05b-LTLFireability-10 finished in 219595 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 3 out of 1240 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1240/1240 places, 2082/2082 transitions.
Graph (trivial) has 1132 edges and 1240 vertex of which 348 / 1240 are part of one of the 28 SCC in 1 ms
Free SCC test removed 320 places
Ensure Unique test removed 346 transitions
Reduce isomorphic transitions removed 346 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 205 transitions
Trivial Post-agglo rules discarded 205 transitions
Performed 205 trivial Post agglomeration. Transition count delta: 205
Iterating post reduction 0 with 205 rules applied. Total rules applied 206 place count 919 transition count 1530
Reduce places removed 205 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 1 with 235 rules applied. Total rules applied 441 place count 714 transition count 1500
Reduce places removed 20 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 21 rules applied. Total rules applied 462 place count 694 transition count 1499
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 463 place count 693 transition count 1499
Performed 87 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 87 Pre rules applied. Total rules applied 463 place count 693 transition count 1412
Deduced a syphon composed of 87 places in 3 ms
Reduce places removed 87 places and 0 transitions.
Iterating global reduction 4 with 174 rules applied. Total rules applied 637 place count 606 transition count 1412
Discarding 49 places :
Symmetric choice reduction at 4 with 49 rule applications. Total rules 686 place count 557 transition count 1167
Iterating global reduction 4 with 49 rules applied. Total rules applied 735 place count 557 transition count 1167
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 739 place count 557 transition count 1163
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 5 Pre rules applied. Total rules applied 739 place count 557 transition count 1158
Deduced a syphon composed of 5 places in 2 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 5 with 10 rules applied. Total rules applied 749 place count 552 transition count 1158
Performed 204 Post agglomeration using F-continuation condition with reduction of 5 identical transitions.
Deduced a syphon composed of 204 places in 0 ms
Reduce places removed 204 places and 0 transitions.
Iterating global reduction 5 with 408 rules applied. Total rules applied 1157 place count 348 transition count 949
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 1163 place count 348 transition count 943
Discarding 19 places :
Symmetric choice reduction at 6 with 19 rule applications. Total rules 1182 place count 329 transition count 784
Iterating global reduction 6 with 19 rules applied. Total rules applied 1201 place count 329 transition count 784
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 6 with 16 rules applied. Total rules applied 1217 place count 329 transition count 768
Performed 16 Post agglomeration using F-continuation condition with reduction of 24 identical transitions.
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 7 with 32 rules applied. Total rules applied 1249 place count 313 transition count 877
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 1253 place count 309 transition count 823
Iterating global reduction 7 with 4 rules applied. Total rules applied 1257 place count 309 transition count 823
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 7 with 25 rules applied. Total rules applied 1282 place count 309 transition count 798
Drop transitions (Redundant composition of simpler transitions.) removed 25 transitions
Redundant transition composition rules discarded 25 transitions
Iterating global reduction 8 with 25 rules applied. Total rules applied 1307 place count 309 transition count 773
Discarding 10 places :
Symmetric choice reduction at 8 with 10 rule applications. Total rules 1317 place count 299 transition count 753
Iterating global reduction 8 with 10 rules applied. Total rules applied 1327 place count 299 transition count 753
Discarding 10 places :
Symmetric choice reduction at 8 with 10 rule applications. Total rules 1337 place count 289 transition count 662
Iterating global reduction 8 with 10 rules applied. Total rules applied 1347 place count 289 transition count 662
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 8 with 10 rules applied. Total rules applied 1357 place count 289 transition count 652
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 1358 place count 288 transition count 651
Applied a total of 1358 rules in 124 ms. Remains 288 /1240 variables (removed 952) and now considering 651/2082 (removed 1431) transitions.
[2026-05-24 14:16:24] [INFO ] Flow matrix only has 629 transitions (discarded 22 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7173279843092618475.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17105089916926725914.kers'
[2026-05-24 14:16:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7173279843092618475.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17105089916926725914.kers]
Normalized transition count is 628 out of 629 initially.
Culled 0 columns in 5 ms.
// Phase 1: matrix 628 rows 288 cols 3096 entries
Finished phase 1 with 200 SingleSign rule and 0 generalized
[2026-05-24 14:16:24] [INFO ] Computed 88 invariants in 7 ms
Computed 88 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-17105089916926725914.kers
Total runtime 8 ms.
[2026-05-24 14:16:25] [INFO ] Implicit Places using invariants in 548 ms returned []
[2026-05-24 14:16:25] [INFO ] Flow matrix only has 629 transitions (discarded 22 similar events)
[2026-05-24 14:16:25] [INFO ] Invariant cache hit.
[2026-05-24 14:16:25] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-24 14:16:25] [INFO ] Implicit Places using invariants and state equation in 288 ms returned []
Implicit Place search using SMT with State Equation took 838 ms to find 0 implicit places.
[2026-05-24 14:16:25] [INFO ] Redundant transitions in 5 ms returned []
Running 593 sub problems to find dead transitions.
[2026-05-24 14:16:25] [INFO ] Flow matrix only has 629 transitions (discarded 22 similar events)
[2026-05-24 14:16:25] [INFO ] Invariant cache hit.
[2026-05-24 14:16:25] [INFO ] State equation strengthened by 37 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/287 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/287 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 2 (OVERLAPS) 1/288 variables, 78/88 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/288 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 4 (OVERLAPS) 628/916 variables, 288/376 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/916 variables, 37/413 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/916 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 593 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 916/917 variables, and 413 constraints, problems are : Problem set: 0 solved, 593 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 88/88 constraints, State Equation: 288/288 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 593/593 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 593 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/287 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/287 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 2 (OVERLAPS) 1/288 variables, 78/88 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/288 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 4 (OVERLAPS) 628/916 variables, 288/376 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/916 variables, 37/413 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/916 variables, 593/1006 constraints. Problems are: Problem set: 0 solved, 593 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 916/917 variables, and 1006 constraints, problems are : Problem set: 0 solved, 593 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 88/88 constraints, State Equation: 288/288 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 593/593 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60167ms problems are : Problem set: 0 solved, 593 unsolved
Search for dead transitions found 0 dead transitions in 60168ms
Starting structural reductions in SI_LTL mode, iteration 1 : 288/1240 places, 651/2082 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61146 ms. Remains : 288/1240 places, 651/2082 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 90 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : DLCround-PT-05b-LTLFireability-11
Stuttering criterion allowed to conclude after 296 steps with 0 reset in 7 ms.
FORMULA DLCround-PT-05b-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-05b-LTLFireability-11 finished in 61280 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G((p0||G(p1))) U X(!p2))))'
Support contains 5 out of 1240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1240/1240 places, 2082/2082 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 1226 transition count 2052
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 1226 transition count 2052
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 34 place count 1220 transition count 2046
Iterating global reduction 0 with 6 rules applied. Total rules applied 40 place count 1220 transition count 2046
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 42 place count 1218 transition count 2044
Iterating global reduction 0 with 2 rules applied. Total rules applied 44 place count 1218 transition count 2044
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 46 place count 1216 transition count 2042
Iterating global reduction 0 with 2 rules applied. Total rules applied 48 place count 1216 transition count 2042
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 50 place count 1214 transition count 2040
Iterating global reduction 0 with 2 rules applied. Total rules applied 52 place count 1214 transition count 2040
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 53 place count 1213 transition count 2039
Iterating global reduction 0 with 1 rules applied. Total rules applied 54 place count 1213 transition count 2039
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 55 place count 1212 transition count 2038
Iterating global reduction 0 with 1 rules applied. Total rules applied 56 place count 1212 transition count 2038
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 57 place count 1211 transition count 2037
Iterating global reduction 0 with 1 rules applied. Total rules applied 58 place count 1211 transition count 2037
Applied a total of 58 rules in 301 ms. Remains 1211 /1240 variables (removed 29) and now considering 2037/2082 (removed 45) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11753177673887563103.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2409238247827521169.kers'
[2026-05-24 14:17:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11753177673887563103.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2409238247827521169.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 2037 rows 1211 cols 5841 entries
Finished phase 1 with 1123 SingleSign rule and 0 generalized
[2026-05-24 14:17:26] [INFO ] Computed 88 invariants in 17 ms
Computed 88 P flows in 17 ms.
Exported basis to /tmp/petrispot-output-2409238247827521169.kers
Total runtime 19 ms.
[2026-05-24 14:17:26] [INFO ] Implicit Places using invariants in 445 ms returned []
[2026-05-24 14:17:26] [INFO ] Invariant cache hit.
[2026-05-24 14:17:27] [INFO ] Implicit Places using invariants and state equation in 1002 ms returned []
Implicit Place search using SMT with State Equation took 1459 ms to find 0 implicit places.
Running 2036 sub problems to find dead transitions.
[2026-05-24 14:17:27] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1210/3248 variables, and 0 constraints, problems are : Problem set: 0 solved, 2036 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 0/88 constraints, State Equation: 0/1211 constraints, PredecessorRefiner: 2036/2036 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2036 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1210/3248 variables, and 0 constraints, problems are : Problem set: 0 solved, 2036 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 0/88 constraints, State Equation: 0/1211 constraints, PredecessorRefiner: 0/2036 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60511ms problems are : Problem set: 0 solved, 2036 unsolved
Search for dead transitions found 0 dead transitions in 60514ms
Starting structural reductions in LTL mode, iteration 1 : 1211/1240 places, 2037/2082 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62280 ms. Remains : 1211/1240 places, 2037/2082 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G((p0||G(p1))) U X(!p2))))'
Stuttering acceptance computed with spot in 356 ms :[p2, p2, p2, p2, (AND (NOT p1) p2), (AND (NOT p0) (NOT p1) p2), true, (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : DLCround-PT-05b-LTLFireability-13
Product exploration explored 100000 steps with 33333 reset in 339 ms.
Product exploration explored 100000 steps with 33333 reset in 329 ms.
Computed a total of 171 stabilizing places and 171 stable transitions
Computed a total of 171 stabilizing places and 171 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 15 factoid took 19 ms. Proved property starting from automaton with 9 states, 21 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 57 ms.
FORMULA DLCround-PT-05b-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DLCround-PT-05b-LTLFireability-13 finished in 63410 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 1240 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1240/1240 places, 2082/2082 transitions.
Graph (trivial) has 1131 edges and 1240 vertex of which 334 / 1240 are part of one of the 29 SCC in 3 ms
Free SCC test removed 305 places
Ensure Unique test removed 328 transitions
Reduce isomorphic transitions removed 328 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 210 transitions
Trivial Post-agglo rules discarded 210 transitions
Performed 210 trivial Post agglomeration. Transition count delta: 210
Iterating post reduction 0 with 210 rules applied. Total rules applied 211 place count 934 transition count 1543
Reduce places removed 210 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 1 with 240 rules applied. Total rules applied 451 place count 724 transition count 1513
Reduce places removed 20 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 2 with 22 rules applied. Total rules applied 473 place count 704 transition count 1511
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 475 place count 702 transition count 1511
Performed 88 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 88 Pre rules applied. Total rules applied 475 place count 702 transition count 1423
Deduced a syphon composed of 88 places in 3 ms
Reduce places removed 88 places and 0 transitions.
Iterating global reduction 4 with 176 rules applied. Total rules applied 651 place count 614 transition count 1423
Discarding 47 places :
Symmetric choice reduction at 4 with 47 rule applications. Total rules 698 place count 567 transition count 1180
Iterating global reduction 4 with 47 rules applied. Total rules applied 745 place count 567 transition count 1180
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 749 place count 567 transition count 1176
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 5 Pre rules applied. Total rules applied 749 place count 567 transition count 1171
Deduced a syphon composed of 5 places in 2 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 5 with 10 rules applied. Total rules applied 759 place count 562 transition count 1171
Performed 211 Post agglomeration using F-continuation condition with reduction of 6 identical transitions.
Deduced a syphon composed of 211 places in 1 ms
Reduce places removed 211 places and 0 transitions.
Iterating global reduction 5 with 422 rules applied. Total rules applied 1181 place count 351 transition count 954
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 1187 place count 351 transition count 948
Discarding 18 places :
Symmetric choice reduction at 6 with 18 rule applications. Total rules 1205 place count 333 transition count 798
Iterating global reduction 6 with 18 rules applied. Total rules applied 1223 place count 333 transition count 798
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 6 with 14 rules applied. Total rules applied 1237 place count 333 transition count 784
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 7 with 2 rules applied. Total rules applied 1239 place count 332 transition count 783
Performed 17 Post agglomeration using F-continuation condition with reduction of 24 identical transitions.
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 7 with 34 rules applied. Total rules applied 1273 place count 315 transition count 902
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 1274 place count 315 transition count 901
Discarding 4 places :
Symmetric choice reduction at 8 with 4 rule applications. Total rules 1278 place count 311 transition count 847
Iterating global reduction 8 with 4 rules applied. Total rules applied 1282 place count 311 transition count 847
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 8 with 25 rules applied. Total rules applied 1307 place count 311 transition count 822
Drop transitions (Redundant composition of simpler transitions.) removed 25 transitions
Redundant transition composition rules discarded 25 transitions
Iterating global reduction 9 with 25 rules applied. Total rules applied 1332 place count 311 transition count 797
Discarding 10 places :
Symmetric choice reduction at 9 with 10 rule applications. Total rules 1342 place count 301 transition count 777
Iterating global reduction 9 with 10 rules applied. Total rules applied 1352 place count 301 transition count 777
Discarding 10 places :
Symmetric choice reduction at 9 with 10 rule applications. Total rules 1362 place count 291 transition count 685
Iterating global reduction 9 with 10 rules applied. Total rules applied 1372 place count 291 transition count 685
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 9 with 10 rules applied. Total rules applied 1382 place count 291 transition count 675
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 10 with 1 rules applied. Total rules applied 1383 place count 290 transition count 674
Applied a total of 1383 rules in 149 ms. Remains 290 /1240 variables (removed 950) and now considering 674/2082 (removed 1408) transitions.
[2026-05-24 14:18:29] [INFO ] Flow matrix only has 651 transitions (discarded 23 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10908953600523436305.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15437243933660556900.kers'
[2026-05-24 14:18:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10908953600523436305.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15437243933660556900.kers]
Normalized transition count is 650 out of 651 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 650 rows 290 cols 3194 entries
Finished phase 1 with 202 SingleSign rule and 0 generalized
[2026-05-24 14:18:29] [INFO ] Computed 88 invariants in 2 ms
Computed 88 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-15437243933660556900.kers
Total runtime 5 ms.
[2026-05-24 14:18:29] [INFO ] Implicit Places using invariants in 133 ms returned []
[2026-05-24 14:18:29] [INFO ] Flow matrix only has 651 transitions (discarded 23 similar events)
[2026-05-24 14:18:29] [INFO ] Invariant cache hit.
[2026-05-24 14:18:29] [INFO ] State equation strengthened by 36 read => feed constraints.
[2026-05-24 14:18:30] [INFO ] Implicit Places using invariants and state equation in 270 ms returned []
Implicit Place search using SMT with State Equation took 405 ms to find 0 implicit places.
[2026-05-24 14:18:30] [INFO ] Redundant transitions in 5 ms returned []
Running 619 sub problems to find dead transitions.
[2026-05-24 14:18:30] [INFO ] Flow matrix only has 651 transitions (discarded 23 similar events)
[2026-05-24 14:18:30] [INFO ] Invariant cache hit.
[2026-05-24 14:18:30] [INFO ] State equation strengthened by 36 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/288 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 619 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/288 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 619 unsolved
At refinement iteration 2 (OVERLAPS) 2/290 variables, 79/88 constraints. Problems are: Problem set: 0 solved, 619 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/290 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 619 unsolved
At refinement iteration 4 (OVERLAPS) 650/940 variables, 290/378 constraints. Problems are: Problem set: 0 solved, 619 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/940 variables, 36/414 constraints. Problems are: Problem set: 0 solved, 619 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 6 (INCLUDED_ONLY) 0/940 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 619 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 940/941 variables, and 414 constraints, problems are : Problem set: 0 solved, 619 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 88/88 constraints, State Equation: 290/290 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 619/619 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 619 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/288 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 619 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/288 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 619 unsolved
At refinement iteration 2 (OVERLAPS) 2/290 variables, 79/88 constraints. Problems are: Problem set: 0 solved, 619 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/290 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 619 unsolved
At refinement iteration 4 (OVERLAPS) 650/940 variables, 290/378 constraints. Problems are: Problem set: 0 solved, 619 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/940 variables, 36/414 constraints. Problems are: Problem set: 0 solved, 619 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/940 variables, 619/1033 constraints. Problems are: Problem set: 0 solved, 619 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 940/941 variables, and 1033 constraints, problems are : Problem set: 0 solved, 619 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 88/88 constraints, State Equation: 290/290 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 619/619 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60184ms problems are : Problem set: 0 solved, 619 unsolved
Search for dead transitions found 0 dead transitions in 60186ms
Starting structural reductions in SI_LTL mode, iteration 1 : 290/1240 places, 674/2082 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60753 ms. Remains : 290/1240 places, 674/2082 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 85 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DLCround-PT-05b-LTLFireability-14
Stuttering criterion allowed to conclude after 309 steps with 0 reset in 5 ms.
FORMULA DLCround-PT-05b-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-05b-LTLFireability-14 finished in 60890 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 1240 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1240/1240 places, 2082/2082 transitions.
Graph (trivial) has 1136 edges and 1240 vertex of which 348 / 1240 are part of one of the 28 SCC in 1 ms
Free SCC test removed 320 places
Ensure Unique test removed 346 transitions
Reduce isomorphic transitions removed 346 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 207 transitions
Trivial Post-agglo rules discarded 207 transitions
Performed 207 trivial Post agglomeration. Transition count delta: 207
Iterating post reduction 0 with 207 rules applied. Total rules applied 208 place count 919 transition count 1528
Reduce places removed 207 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 1 with 237 rules applied. Total rules applied 445 place count 712 transition count 1498
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 2 with 20 rules applied. Total rules applied 465 place count 692 transition count 1498
Performed 87 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 87 Pre rules applied. Total rules applied 465 place count 692 transition count 1411
Deduced a syphon composed of 87 places in 3 ms
Reduce places removed 87 places and 0 transitions.
Iterating global reduction 3 with 174 rules applied. Total rules applied 639 place count 605 transition count 1411
Discarding 50 places :
Symmetric choice reduction at 3 with 50 rule applications. Total rules 689 place count 555 transition count 1157
Iterating global reduction 3 with 50 rules applied. Total rules applied 739 place count 555 transition count 1157
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 743 place count 555 transition count 1153
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 5 Pre rules applied. Total rules applied 743 place count 555 transition count 1148
Deduced a syphon composed of 5 places in 2 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 753 place count 550 transition count 1148
Performed 204 Post agglomeration using F-continuation condition with reduction of 6 identical transitions.
Deduced a syphon composed of 204 places in 0 ms
Reduce places removed 204 places and 0 transitions.
Iterating global reduction 4 with 408 rules applied. Total rules applied 1161 place count 346 transition count 938
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 1167 place count 346 transition count 932
Discarding 18 places :
Symmetric choice reduction at 5 with 18 rule applications. Total rules 1185 place count 328 transition count 782
Iterating global reduction 5 with 18 rules applied. Total rules applied 1203 place count 328 transition count 782
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 5 with 16 rules applied. Total rules applied 1219 place count 328 transition count 766
Performed 16 Post agglomeration using F-continuation condition with reduction of 24 identical transitions.
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 6 with 32 rules applied. Total rules applied 1251 place count 312 transition count 876
Discarding 4 places :
Symmetric choice reduction at 6 with 4 rule applications. Total rules 1255 place count 308 transition count 822
Iterating global reduction 6 with 4 rules applied. Total rules applied 1259 place count 308 transition count 822
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 6 with 25 rules applied. Total rules applied 1284 place count 308 transition count 797
Drop transitions (Redundant composition of simpler transitions.) removed 26 transitions
Redundant transition composition rules discarded 26 transitions
Iterating global reduction 7 with 26 rules applied. Total rules applied 1310 place count 308 transition count 771
Discarding 11 places :
Symmetric choice reduction at 7 with 11 rule applications. Total rules 1321 place count 297 transition count 749
Iterating global reduction 7 with 11 rules applied. Total rules applied 1332 place count 297 transition count 749
Discarding 11 places :
Symmetric choice reduction at 7 with 11 rule applications. Total rules 1343 place count 286 transition count 649
Iterating global reduction 7 with 11 rules applied. Total rules applied 1354 place count 286 transition count 649
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 7 with 11 rules applied. Total rules applied 1365 place count 286 transition count 638
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 1366 place count 285 transition count 637
Applied a total of 1366 rules in 137 ms. Remains 285 /1240 variables (removed 955) and now considering 637/2082 (removed 1445) transitions.
[2026-05-24 14:19:30] [INFO ] Flow matrix only has 616 transitions (discarded 21 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17825271608192631108.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12671141959545786604.kers'
[2026-05-24 14:19:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17825271608192631108.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12671141959545786604.kers]
Normalized transition count is 615 out of 616 initially.
Culled 0 columns in 1 ms.
// Phase 1: matrix 615 rows 285 cols 3052 entries
Finished phase 1 with 197 SingleSign rule and 0 generalized
[2026-05-24 14:19:30] [INFO ] Computed 88 invariants in 9 ms
Computed 88 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-12671141959545786604.kers
Total runtime 10 ms.
[2026-05-24 14:19:30] [INFO ] Implicit Places using invariants in 146 ms returned []
[2026-05-24 14:19:30] [INFO ] Flow matrix only has 616 transitions (discarded 21 similar events)
[2026-05-24 14:19:30] [INFO ] Invariant cache hit.
[2026-05-24 14:19:30] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-24 14:19:30] [INFO ] Implicit Places using invariants and state equation in 280 ms returned []
Implicit Place search using SMT with State Equation took 427 ms to find 0 implicit places.
[2026-05-24 14:19:30] [INFO ] Redundant transitions in 7 ms returned []
Running 580 sub problems to find dead transitions.
[2026-05-24 14:19:30] [INFO ] Flow matrix only has 616 transitions (discarded 21 similar events)
[2026-05-24 14:19:30] [INFO ] Invariant cache hit.
[2026-05-24 14:19:30] [INFO ] State equation strengthened by 38 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/284 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 580 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/284 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 580 unsolved
At refinement iteration 2 (OVERLAPS) 1/285 variables, 78/88 constraints. Problems are: Problem set: 0 solved, 580 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/285 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 580 unsolved
At refinement iteration 4 (OVERLAPS) 615/900 variables, 285/373 constraints. Problems are: Problem set: 0 solved, 580 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/900 variables, 38/411 constraints. Problems are: Problem set: 0 solved, 580 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/900 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 580 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 900/901 variables, and 411 constraints, problems are : Problem set: 0 solved, 580 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 88/88 constraints, State Equation: 285/285 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 580/580 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 580 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/284 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 580 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/284 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 580 unsolved
At refinement iteration 2 (OVERLAPS) 1/285 variables, 78/88 constraints. Problems are: Problem set: 0 solved, 580 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/285 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 580 unsolved
At refinement iteration 4 (OVERLAPS) 615/900 variables, 285/373 constraints. Problems are: Problem set: 0 solved, 580 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/900 variables, 38/411 constraints. Problems are: Problem set: 0 solved, 580 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/900 variables, 580/991 constraints. Problems are: Problem set: 0 solved, 580 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 900/901 variables, and 991 constraints, problems are : Problem set: 0 solved, 580 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 88/88 constraints, State Equation: 285/285 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 580/580 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60176ms problems are : Problem set: 0 solved, 580 unsolved
Search for dead transitions found 0 dead transitions in 60177ms
Starting structural reductions in SI_LTL mode, iteration 1 : 285/1240 places, 637/2082 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60762 ms. Remains : 285/1240 places, 637/2082 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Running random walk in product with property : DLCround-PT-05b-LTLFireability-15
Stuttering criterion allowed to conclude after 738 steps with 0 reset in 4 ms.
FORMULA DLCround-PT-05b-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-05b-LTLFireability-15 finished in 60827 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((X(X(p0))||(p1&&F(G((p2||F(p3)))))))))'
Spot run failed in 38 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0) U p1) U (G(p2)||(!p1&&X(p3)))))'
Spot run failed in 39 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
[2026-05-24 14:20:31] [INFO ] Flatten gal took : 23 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin7858053110663656579
[2026-05-24 14:20:31] [INFO ] Too many transitions (2082) to apply POR reductions. Disabling POR matrices.
[2026-05-24 14:20:31] [INFO ] Applying decomposition
[2026-05-24 14:20:31] [INFO ] Built C files in 29ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7858053110663656579
Running compilation step : cd /tmp/ltsmin7858053110663656579;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '360' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2026-05-24 14:20:31] [INFO ] Flatten gal took : 24 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph9415955253540194261.txt' '-o' '/tmp/graph9415955253540194261.bin' '-w' '/tmp/graph9415955253540194261.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph9415955253540194261.bin' '-l' '-1' '-v' '-w' '/tmp/graph9415955253540194261.weights' '-q' '0' '-e' '0.001'
[2026-05-24 14:20:31] [INFO ] Decomposing Gal with order
[2026-05-24 14:20:31] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 14:20:31] [INFO ] Removed a total of 1734 redundant transitions.
[2026-05-24 14:20:31] [INFO ] Flatten gal took : 122 ms
[2026-05-24 14:20:31] [INFO ] Fuse similar labels procedure discarded/fused a total of 52 labels/synchronizations in 33 ms.
[2026-05-24 14:20:31] [INFO ] Time to serialize gal into /tmp/LTLFireability7950070878066176083.gal : 12 ms
[2026-05-24 14:20:31] [INFO ] Time to serialize properties into /tmp/LTLFireability15462811610699293305.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability7950070878066176083.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability15462811610699293305.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 2 LTL properties
Checking formula 0 : !((X(X((X(X("(i6.u421.p1787==1)")))||(("((i1.i0.i1.u28.p124==0)||(i7.u340.p1325==0))")&&(F(G(("(i6.u422.p1781==0)")||(F("(i5.u120.p533...170
Formula 0 simplified : XX(XX!"(i6.u421.p1787==1)" & (!"((i1.i0.i1.u28.p124==0)||(i7.u340.p1325==0))" | G(F!"(i6.u422.p1781==0)" & FG!"(i5.u120.p533==0)")))
Compilation finished in 6130 ms.
Running link step : cd /tmp/ltsmin7858053110663656579;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 196 ms.
Running LTSmin : cd /tmp/ltsmin7858053110663656579;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X(X((X(X((LTLAPp0==true)))||((LTLAPp1==true)&&<>([](((LTLAPp2==true)||<>((LTLAPp3==true)))))))))' '--buchi-type=spotba'
WARNING : LTSmin timed out (>900 s) on command cd /tmp/ltsmin7858053110663656579;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X(X((X(X((LTLAPp0==true)))||((LTLAPp1==true)&&<>([](((LTLAPp2==true)||<>((LTLAPp3==true)))))))))' '--buchi-type=spotba'
Running LTSmin : cd /tmp/ltsmin7858053110663656579;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' '((<>((LTLAPp4==true)) U (LTLAPp5==true)) U ([]((LTLAPp6==true))||(!(LTLAPp5==true)&&X((LTLAPp7==true)))))' '--buchi-type=spotba'
LTSmin run took 527 ms.
FORMULA DLCround-PT-05b-LTLFireability-10 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Retrying LTSmin with larger timeout 14400 s
Running LTSmin : cd /tmp/ltsmin7858053110663656579;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X(X((X(X((LTLAPp0==true)))||((LTLAPp1==true)&&<>([](((LTLAPp2==true)||<>((LTLAPp3==true)))))))))' '--buchi-type=spotba'
Detected timeout of ITS tools.
[2026-05-24 14:47:35] [INFO ] Applying decomposition
[2026-05-24 14:47:35] [INFO ] Flatten gal took : 292 ms
[2026-05-24 14:47:35] [INFO ] Decomposing Gal with order
[2026-05-24 14:47:36] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 14:47:36] [INFO ] Removed a total of 1454 redundant transitions.
[2026-05-24 14:47:36] [INFO ] Flatten gal took : 491 ms
[2026-05-24 14:47:42] [INFO ] Fuse similar labels procedure discarded/fused a total of 6501 labels/synchronizations in 3025 ms.
[2026-05-24 14:47:42] [INFO ] Time to serialize gal into /tmp/LTLFireability6189367795234987786.gal : 112 ms
[2026-05-24 14:47:42] [INFO ] Time to serialize properties into /tmp/LTLFireability2094859422269736260.ltl : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability6189367795234987786.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability2094859422269736260.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((X(X((X(X("(i1.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.u153.p1787==1)")))||(("((i0.i0.i0.i0.i0.i0.i0.i0.i0.u1...529
Formula 0 simplified : XX(XX!"(i1.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0.u153.p1787==1)" & (!"((i0.i0.i0.i0.i0.i0.i0.i0.i0.u11.p124...514
BK_TIME_CONFINEMENT_REACHED
--------------------
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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
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="DLCround-PT-05b"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 itstools"
echo " Input is DLCround-PT-05b, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r098-tall-177955695600548"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DLCround-PT-05b.tgz
mv DLCround-PT-05b execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.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 '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;